Carrier 30XA080-501 v2 Installation Instructions

Pages 24

Year 2021

Language(s)

of 24

Installation Instructions

162 pages

Installation Instructions

24 pages

Page 1

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300120-01 Printed in U.S.A. Form 30-23SI Pg 1 1-2021 Replaces: 30-15SI

Installation Instructions Part Numbers: 00EFN900000400A, 00EFN900000500A, 00EFN900000600A,

00EFN900000700A, 00EFN900001800A, 00EFN900001900A NOTE: These instructions apply to 30RB060-390 units with starting serial number 3107Q. To install this accessory on 30RB060-390 units with serial numbers prior to 3107Q refer to Installation Instructions form number 30-8SI. This accessory is not applicable to 30XA variable speed chillers with Greenspeed intelligence or 30RB units with Greenspeed intelligence. Units with Greenspeed intelligence operate all condenser fans with a Variable Frequency Drive.

CONTENTS Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 INSPECT SHIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Step 1 Install Field-Fabricated Wind Baffles . . . . 4 Step 2 Wire the Control Panel . . . . . . . . . . . . . . . . 5 Step 3 Mount the Low Ambient Temperature

Head Pressure Control . . . . . . . . . . . . . . . . . . . . . 11 Step 4 Configure for Low Ambient Temperature

Head Pressure Control Operation . . . . . . . . . . . . 17 Step 5 Configure Low Ambient Temperature

Head Pressure Control . . . . . . . . . . . . . . . . . . . . . 20 Step 6 Test the Low Ambient Temperature

Head Pressure Control . . . . . . . . . . . . . . . . . . . . . 23

SAFETY CONSIDERATIONS Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment. Untrained personnel can perform basic maintenance functions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply. Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for unbrazing operations. Have fire extinguisher available for all brazing operations. It is important to recognize safety information. This is the safety- alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices, which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

GENERAL This book contains instructions for the installation of the low am- bient temperature head pressure control accessory kit for 30RB060-390 and 30XA080-501 units. NOTE: Unit sizes 30RB315-390 are modular units that are shipped in separate sections as modules A or B as noted in posi- tion 8 of the unit model nameplate. The nameplate for modular units contains only the first two digits of the unit size. For exam- ple, 30RB size 315 nameplates read 30RB*31A.... and 30RB*31B, where * is a wild card indicating the design series. See Table 1 for a listing of unit sizes and modular combinations.

Table 1 Modular Combinations

NOTE: An * in the 5th position of the model number indicates the design series.

The low ambient temperature control utilizes a variable frequency drive (VFD) to control condenser fan speed based on saturated condensing temperature. The control can only be used with mo- tors rated for use with VFDs. Each circuits discharge pressure is used by the ComfortLink controls to determine the output to the VFD. The fan board(s) provide a 0 to 10 vdc output to each drive for fan speed control. All VFDs are microprocessor-controlled and use insulated gate bi- polar transistor (IGBT) technology. The pulse width modulation scheme used by the control allows for quiet motor operation. The control will vary the motor speed signal to the VFD to maintain the saturated condensing temperature (SCT) at the calculated head pressure set point. If the SCT is greater than the set point, the fan signal will increase to increase fan speed. If SCT is less than the set point, the fan signal will decrease to slow the fan speed. At higher SCTs, the fan will go to full speed and remain there since it cannot go fast enough to bring the pressure down to the set point.

WARNING

Electrical shock can cause personal injury and death. Shut off all power to this equipment during installation. There may be more than one disconnect switch. Tag all disconnect locations to alert others not to restore power until work is completed.

MODULE UNITS MODULE A MODULE B 30RB*315 30RB*160 30RB*160 30RB*330 30RB*170 30RB*160 30RB*345 30RB*170 30RB*170 30RB*360 30RB*190 30RB*170 30RB*390 30RB*190 30RB*190

30RB060-390 30XA080-501

Low Ambient Temperature Head Pressure Control Accessory

Page 2

When the saturated condensing temperature drops, a fan running at full speed may draw too much air across the condenser coil to maintain a minimum saturated condensing temperature. During these conditions, the VFD will begin to slow down and begin to maintain a saturated condensing temperature set point. NOTE: The VFD is phase insensitive in regard to incoming line voltage, which means that the VFD will operate with any phase sequence of the incoming three-phase power. The standard outdoor air temperature limitation of 30RB and 30XA chillers is 32F (0C). The low ambient temperature con- troller operation kit can be used to extend unit operation down to 20F (29C).

NOTE: Wind baffles are required if wind velocity is anticipated to be greater than 5 mph (8 km/h).

INSPECT SHIPMENT Inspect the contents of the accessory package before installing. File a claim with the shipping company if there is shipping dam- age. Contact your local Carrier representative if any parts are missing. See Table 2 for accessory content usage. See Table 3 for accessory package contents.

Table 2 Low Ambient Temperature Head Pressure Control Package Usage

* Not applicable for 30RB with Greenspeed intelligence or 30XA with Greenspeed intelligence.

Refer to unit nameplate for voltage designation.

UNIT SIZE* VOLTAGE (3 ph, 60 Hz)

NUMBER OF CIRCUITS PACKAGE NO.

NUMBER OF ACCESSORY

KITS REQUIRED

30RB

060, 070, 080

208/230 2 00EFN900000600A 1 380 2 00EFN900000400A 1 460 2 00EFN900000400A 1 575 2 00EFN900001800A 1

090,100,110,120, 130,150,160,170,190

208/230 2 00EFN900000700A 2 380 2 00EFN900000500A 2 460 2 00EFN900000500A 2 575 2 00EFN900001900A 2

210,225,250,275,300

208/230 3 00EFN900000700A 3 380 3 00EFN900000500A 3 460 3 00EFN900000500A 3 575 3 00EFN900001900A 3

315,330,345,360,390

208/230 4 00EFN900000700A 4 380 4 00EFN900000500A 4 460 4 00EFN900000500A 4 575 4 00EFN900001900A 4

30XA

080,082,090,092,100,102,110,112,120, 122,140,142,160,162,180,182,200,202, 220,222,240,242,260,262,280,282,300, 302,325,327,350,352,401,451,476,501

200 2 00EFN900000700A 2 230 2 00EFN900000700A 2 380 2 00EFN900000500A 2 460 2 00EFN900000500A 2 575 2 00EFN900001900A 2

400,450,500 380 3 00EFN900000500A 3 460 3 00EFN900000500A 3 575 3 00EFN900001900A 3

Page 3

Table 3 Low Ambient Temperature Head Pressure Control Package Contents

LEGEND

* Includes the panel, drives, fuse block, fuses, drive filters, drive wire kit and operator display panel.

When ordering the Siemens VFD for 575-v unit replacement, note that the replace- ment drive does not include the VFD operator panel. The VFD operator panel must be ordered separately.

** Fan board shipped in accessory kit is supplied to replace fan board 1 shipped with the unit (part number 32GB500432E). See page 11, item 10 for more information.

ITEM

LOW AMBIENT TEMPERATURE HEAD PRESSURE CONTROL PACKAGE NUMBER

00EFN900000400A (380 V, 460 V UNITS)

00EFN900000500A (380 V, 460 V UNITS)

00EFN900000600A (200, 208/230 V

UNITS)

00EFN900000700A (200, 208, 230 V

UNITS)

00EFN900001800A (575 V UNITS)

00EFN900001900A (575 V UNITS)

Item Description (Qty) DUAL VFD PANEL ACCESSORY (INCLUDES 2 VFDS)

SF700091* (1) SF700081*

(1) SF700101* (1)

SINGLE VFD PANEL ACCESSORY SF700401*

(1) SF700400* (1) SF700402*

(1)

FAN MOTOR POWER CABLES (ATTACHED TO VFD)

(2) (1) (2) (1) (2) (1)

FUSE BLOCK CHCC3 (2) CHCC3 (1) CHCC3 (2) CHCC3 (1) CHCC3 (2) CHCC3 (1)

FUSES, 30 AMP ATMR-30 (6) ATMR-30 (3) ATMR-30 (6) ATMR-30 (3) ATMR-30 (6) ATMR-30 (3)

VARIABLE FREQUENCY DRIVE HR46TN008 (2) HR46TN008 (1) HR46TN007 (2) HR46TN007 (1) 6SE64402UE240CA1 (2) 6SE64402UE240CA1 (1)

VFD OPERATOR DISPLAY PANEL NA NA NA NA 6SE64000BP000AAO

(2) 6SE64000BP000AAO

(1)

MOUNTING PLATE 00PSN500037100A (1)

00PSN500037100A (1)

SUPPORT PLATE 00PSN500034400A (1)

00PSN500034400A (1)

WIRING COVER 00PSN500036500A (1)

00PSN500036500A (1)

WIRING BUSHING HY93NH091 (1) HY93NH091 (1) HY93NH091 (2) HY93NH091 (1) HY93NH091 (2) HY93NH091 (1)

6MM SCREWS 00PPN500000302A (9)

00PPN500000302A (9)

00PPN500000302A (10)

00PPN500000302A (9)

8MM SCREWS 00PPN500000201A (10)

00PPN500000201A (9)

00PPN500000201A (10)

00PPN500000201A (9)

FAN BOARD 1 32GB500442E**

WIRE TIES Wire Ties (20)

AWG American Wire Gage VFD Variable Frequency Drive

Page 4

INSTALLATION

Step 1 Install Field-Fabricated Wind Baffles

Field-fabricated and installed wind baffles are required if the wind velocity is anticipated to be greater than 5 mph (8 km/h) on units equipped with the low ambient temperature head pressure control accessory. If the application requires wind baffles, units require two different wind baffle designs, one for each end of the unit. Wind baffles should be constructed using a minimum 18-gage gal- vanized sheet metal or other suitable corrosion-resistant material with cross breaks for strength. Use field-supplied screws to attach baffles to the corner posts of the machine. Be sure to hem or turn a

flange on all edges to eliminate sharp edges on the baffles. See Fig. 1 for sizes and details of the baffles required. Mount the smaller height baffle on the control box end. It is recommended that the upper notches be used for mounting the baffles. This re- duces the risk of damaging the coil while drilling a mounting hole. Loosen the upper corner post bolts and slide the baffle under the bolt and washer. Tighten the bolt. Drill two holes at the bottom of the baffle through the flange and corner post. Mount baffles with field-supplied screws to secure the baffle to the frame. Repeat the process for the opposite end. See Fig. 2 for typical end views of the chillers with baffles installed.

WARNING

To avoid the possibility of electrical shock, open all discon- nects before installing or servicing this accessory.

CAUTION

To avoid damage to refrigerant coils and electrical compo- nents, use extreme care when drilling screw holes and screw- ing in fasteners.

Cross break these faces. Hem these 3 edges both top

and bottom.

See Detail A

1880 [74.0]

Detail A Typical Both Flanges

180 [7.0]

18 [0.75] 31 [1.25]

18 [0.75]

21 [0.88]

70 [2.75]

305 [12.0]

Fig. 1 Field-Fabricated and Field-Installed Wind Baffles

Material: 18 ga. Corrosion Resistant Sheet Metal. Dimensions are in mm [inches].

UNIT SIZE VOLTAGE POSITION BAFFLE HEIGHT (X)

30RB060-390 All Control/Power End 635 [25.0] Opposite Control Power End 1040 [41.0]

30XA080-120 All Control/Power End 635 [25.0] Opposite Control Power End 1040 [41.0]

30XA140-202 200,230

Control/Power End 635 [25.0] Opposite Control Power End 1040 [41.0]

380,460,575 Both Ends 1040 [41.0] 30XA220-501 All Both Ends 1040 [41.0]

Page 5

Step 2 Wire the Control Panel For the appropriate fan motor, locate the fan contactor in the control panel. See Tables 4 and 5. See Fig. 3 and 4 for fan motor locations. NOTE: The C circuit fan contactors and fan board for 30RB210- 300 units are in the compressor side power box near the C circuit compressors and not in the fan/control box at the end of the unit. Fan wiring crosses the chiller in a conduit from the coil wiring tray to the back of the C circuit power box. NOTE: The C circuit fan contactors and fan board for 30XA400, 450, and 500 units are in the compressor side power box near the C circuit compressors.

Table 4 30RB060-390 Fan Motors Controlled by the VFD

(Units produced starting with serial number 3107Q)

Table 5 30XA080-501 Fan Motors Controlled by the VFD

Fig. 2 Wind Baffles Installed on Ends of 30RB Units

CONTROL/POWER END

OPPOSITE THE CONTROL BOX END

30RB UNIT SIZE CIRCUIT A MOTOR

CIRCUIT B MOTOR

CIRCUIT C MOTOR

060,070 FM1 FM4 080 FM1 FM3

090-100 FM1 FM5 110 FM1 FM5

120-150 FM3 FM7 160-170,315-345,360B FM5 FM9

190,360A,390 FM5 FM11 210, 225 FM3 FM7 FM11

250 FM3 FM7 FM13 275 FM5 FM11 FM15 300 FM5 FM11 FM17

30XA UNIT SIZE

CIRCUIT A MOTOR

CIRCUIT B MOTOR

CIRCUIT C MOTOR

080,082 FM5 FM1 090-122 FM7 FM1 140-162 FM9 FM1 180-202 FM11 FM1 220-242 FM13 FM1 260-302 FM15 FM1 325-352 FM17 FM1

400 FM11 FM1 FM19 401 FM19 FM1

450, 500 FM13 FM1 FM21 451, 476 FM21 FM1

501 FM25 FM1

Page 6

Fig. 3 30RB Fan Motor Locations (Units produced starting with serial number 3107Q)

FAN MOTOR ARRANGEMENT SIZE CIRCUIT LOCATION FAN STAGE

1 2 3 4 5 6

30RB060,070,080

060,070

A Fan Number FM1 FM2 FM3

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3

B Fan Number FM4

Fan Board/Channel FB1/CH5

080

A Fan Number FM1 FM2

Fan Board/Channel FB1/CH1 FB1/CH2

B Fan Number FM3 FM4

Fan Board/Channel FB1/CH5 FB1/CH6

30RB090,100,110

090,100, 110

A Fan Number FM1 FM2 FM3

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3

B Fan Number FM5 FM6 FM4

Fan Board/Channel FB1/CH5 FB1/CH6 FB1/CH7

30RB120

120

A Fan Number FM3 FM1 FM2

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3

B Fan Number FM7 FM5 FM6 FM8

Fan Board/Channel FB1/CH5 FB1/CH6 FB1/CH7 FB1/CH8

30RB130,150

130,150

A Fan Number FM3 FM1 FM2 FM4

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4

B Fan Number FM7 FM5 FM6 FM8

Fan Board/Channel FB1/CH5 FB1/CH6 FB1/CH7 FB1/CH8

30RB160,170

160,170

A Fan Number FM5 FM3 FM1 FM2 FM4 FM6

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4 FB1/CH5 FB1/CH6

B Fan Number FM9 FM7 FM8 FM10

Fan Board/Channel FB2/CH1 FB2/CH2 FB2/CH3 FB2/CH4

30RB190,210,225

190

A Fan Number FM5 FM3 FM1 FM2 FM4 FM6

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4 FB1/CH5 FB1/CH6

B Fan Number FM11 FM9 FM7 FM8 FM10 FM12

Fan Board/Channel FB2/CH1 FB2/CH2 FB2/CH3 FB2/CH4 FB2/CH5 FB2/CH6

210,225

A Fan Number FM3 FM1 FM2 FM4

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4

B Fan Number FM7 FM5 FM6 FM8

Fan Board/Channel FB1/CH5 FB1/CH6 FB1/CH7 FB1/CH8

C Fan Number FM11 FM9 FM10 FM12

Fan Board/Channel FB3/CH1 FB3/CH2 FB3/CH3 FB3/CH4

30RB250

250

A Fan Number FM3 FM1 FM2 FM4

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4

B Fan Number FM7 FM5 FM6 FM8

Fan Board/Channel FB1/CH5 FB1/CH6 FB1/CH7 FB1/CH8

C Fan Number FM13 FM11 FM9 FM10 FM12 FM14

Fan Board/Channel FB3/CH1 FB3/CH2 FB3/CH3 FB3/CH4 FB3/CH5 FB3/CH6

30RB275

275

A Fan Number FM5 FM3 FM1 FM2 FM4 FM6

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4 FB1/CH5 FB1/CH6

B Fan Number FM11 FM9 FM7 FM8 FM10 FM12

Fan Board/Channel FB2/CH1 FB2/CH2 FB2/CH3 FB2/CH4 FB2/CH5 FB2/CH6

C Fan Number FM15 FM13 FM14 FM16

Fan Board/Channel FB3/CH1 FB3/CH2 FB3/CH3 FB3/CH4

30RB300

300

A Fan Number FM5 FM3 FM1 FM2 FM4 FM6

Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 FB1/CH4 FB1/CH5 FB1/CH6

B Fan Number FM11 FM9 FM7 FM8 FM10 FM12

Fan Board/Channel FB2/CH1 FB2/CH2 FB2/CH3 FB2/CH4 FB2/CH5 FB2/CH6

C Fan Number FM17 FM15 FM13 FM14 FM16 FM18

Fan Board/Channel FB3/CH1 FB3/CH2 FB3/CH3 FB3/CH4 FB3/CH5 FB3/CH6

FM1

FM2

C O

N T

R O

L B

O X

FM3

FM4

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM1

C O

N T

R O

L B

O X

FM2

FM3 FM5

FM6

FM7

FM8

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

FM1

C O

N T

R O

L B

O X

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

FM17

FM18

Page 7

CIRCUIT STAGE

LEGEND

Fig. 4 30XA Fan Motor Locations

FAN MOTOR ARRANGEMENT CIRCUIT

30XA080,082

Fan stage A 1 2 3

Contactor No. FC A1 FC A2 FC A3

Fan position FM5 FM3 FM6

Fan stage B 1 2 3

Contactor No. FC B1 FC B2 FC B3

Fan position FM1 FM4 FM2

30XA090-122

Fan stage A 1 2 3 4

Contactor No. FC A1 FC A2 FC A3 FC A4

Fan position FM7 FM5 FM8 FM6

Fan stage B 1 2 3 4

Contactor No. FC B1 FC B2 FC B3 FC B4

Fan position FM1 FM3 FM2 FM4

30XA140-162

Fan stage A 1 2 3 4 5 6

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6

Fan position FM9 FM7 FM5 FM10 FM8 FM6

Fan stage B 1 2 3 4

Contactor No. FC B1 FC B2 FC B3 FC B4

Fan position FM1 FM3 FM2 FM4

30XA180-202

Fan stage A 1 2 3 4 5 6

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6

Fan position FM11 FM9 FM7 FM12 FM10 FM8

Fan stage B 1 2 3 4 5 6

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

30XA220-242

Fan stage A 1 2 3 4 5 6 7

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7

Fan position FM13 FM11 FM9 FM7 FM14 FM12 FM10

Fan stage B 1 2 3 4 5 6

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

30XA260,262

Fan stage A 1 2 3 4 5 6 7 8

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7 FC A8 FC A9

Fan position FM15 FM13 FM11 FM9 FM7 FM16 FM14 FM12 FM10

Fan stage B 1 2 3 4 5 6

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

30XA280,282

Fan stage A 1 2 3 4 5 6 7 8

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7 FC A8 FC A9

Fan position FM15 FM13 FM11 FM9 FM7 FM16 FM14 FM12 FM10

Fan stage B 1 2 3 4 5 6 7

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6 FC B7

Fan position FM1 FM3 FM5 FM8 FM2 FM4 FM6

30XA300,302

Fan stage A 1 2 3 4 5 6 7 8

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7 FC A8 FC A9 FC A10

Fan position FM15 FM13 FM11 FM9 FM7 FM16 FM14 FM12 FM10 FM8

Fan stage B 1 2 3 4 5 6

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

30XA325-352

Fan stage A 1 2 3 4 5 6 7 8

Contactor No. FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7 FC A8 FC A9

Fan position FM17 FM15 FM13 FM11 FM9 FM18 FM16 FM14 FM12

Fan stage B 1 2 3 4 5 6 7 8

Contactor No. FC B1 FC B2 FC B3 FC B4 FC B5 FC B6 FC B7 FC B8 FC B9

Fan position FM1 FM3 FM5 FM7 FM10 FM2 FM4 FM6 FM8

FM1

FM2

FM3

FM4

COMP B COMP A

FM5

FM6

FM1

FM2

FM3

FM4

COMP B COMP A

FM5

FM6

FM7

FM8

FM1

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

COMP APEBCOMP B

FM1

FM2

FM3

FM4

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

COMP APEBCOMP B

FM1

FM2

FM3

FM4

COMP A

FM5

FM6

FM7 FM9

FM10

FM11

FM12

FM13

FM14

PEBCOMP B

FM1

FM2

FM3

FM4

COMP A

FM5

FM6

FM7 FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

PEBCOMP B

FM1

FM2

FM3

FM4

COMP A

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

PEBCOMP B

FM1

FM2

FM3

FM4

COMP A

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

PEBCOMP B

FM1

FM2

FM3

FM4

COMP A

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

FM17

FM18

PEBCOMP B

COMP Compressor FM Fan Motor FC Fan Contactor PEB Power Electrical Box

Page 8

CIRCUIT STAGE

LEGEND

Fig. 4 30XA Fan Motor Locations (cont)

CIRCUIT

30XA400

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FC A2 FC A3 FC A4 FC A5 FC A6

Fan position FM11 FM9 FM7 FM12 FM10 FM8

Fan stage B 1 2 3 4 5 6

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

Fan stage C 1 2 3 4 5 6 7 8

Contactor # FC C1 FC C2 FC C3 FC C4 FC C5 FC C6 FC C7 FC C8

Fan position FM19 FM17 FM15 FM13 FM20 FM18 FM16 FM14

30XA401

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FCA2 FC A3 FC A4 FC 5 FC A6

FC A7 FC A8 FC A9 FC

A10 FC A11

Fan position FM19 FM17 FM15 FM13 FM11 FM9 FM20 FM18 FM16 FM14 FM12

Fan stage B 1 2 3 4 5 6 7 8

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5 FC B6 FC B7 FC B8 FC B9

Fan position FM1 FM3 FM5 FM7 FM2 FM4 FM6 FM8 FM10

30XA450, 500

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FC A2 FC A3 FC A4 FC A5 FC A6 FC A7 FC A8

Fan position FM13 FM11 FM9 FM7 FM14 FM12 FM10 FM8

Fan stage B 1 2 3 4 5 6

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

Fan position FM1 FM3 FM5 FM2 FM4 FM6

Fan stage C 1 2 3 4 5 6 7 8

Contactor # FC C1 FC C2 FC C3 FC C4 FC C5 FC C6 FC C7 FC C8

Fan position FM21 FM19 FM17 FM15 FM22 FM20 FM18 FM16

30XA451

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FCA2 FC A3 FC A4

FC A5

FC A6

FC A7

FC A8

FC A9

FC A10

FC A11

FC A12

FC A13

Fan position FM21 FM19 FM17 FM15 FM13 FM11 FM9 FM22 FM20 FM18 FM16 FM14 FM12

Fan stage B 1 2 3 4 5 6 7 8

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5 FC B6 FC B7 FC B8 FC B9

Fan position FM1 FM3 FM5 FM7 FM2 FM4 FM6 FM8 FM10

30XA476

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FCA2 FC A3 FC A4 FC A5 FC A6

FC A7 FC A8 FC A9 FC

A10 FC A11

Fan position FM21 FM19 FM17 FM15 FM13 FM11 FM22 FM20 FM18 FM16 FM14

Fan stage B 1 2 3 4 5 6 7 8

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5 FC B6

FC B7 FC B8 FC B9 FC

B10 FC B11

Fan position FM1 FM3 FM5 FM7 FM9 FM2 FM4 FM6 FM8 FM10 FM12

30XA501

Fan stage A 1 2 3 4 5 6 7 8

Contactor # FC A1 FCA2 FC A3 FC A4

FC A5

FC A6

FC A7

FC A8

FC A9

FC A10

FC A11

FC A12

FC A13

FC A14

Fan position FM25 FM23 FM21 FM19 FM17 FM15 FM13 FM26 FM24 FM22 FM20 FM18 FM16 FM14

Fan stage B 1 2 3 4 5 6 7 8

Contactor # FC B1 FC B2 FC B3 FC B4 FC B5

FC B6

FC B7

FC B8 FC B9 FC

B10 FC B11

FC B12

Fan position FM1 FM3 FM5 FM7 FM9 FM11 FM2 FM4 FM6 FM8 FM10 FM12

FM1

FM2

FM3

FM4

COMP C

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

FM17

FM18

FM19

FM20

PEBCOMP B PEB A/B COMP A

FMB1

FMB5

FMB2

FMB6

COMP A

FMB3

FMB7

FMB4

FMB8

FMA6

FMB9

FMA5

FM A11

FM A10

FMA3

FMA9

FMA2

FMA8

FMA1

FMA7

COMP B PEB B PEB A

FMA4

FM1

FM2

FM3

FM4

COMP C

FM5

FM6

FM7

FM8

FM9

FM10

FM11

FM12

FM13

FM14

FM15

FM16

FM17

FM18

FM19

FM20

FM21

FM22

PEB CCOMP B PEB A/B COMP A

FMB1

FMB5

FMB2

FMB6

COMP A

FMB3

FMB7

FMB4

FMB8

FMA7

FMB9 FM A13

FMA5

FM A12

FMA4

FM A11

FMA3

FM A10

FMA2

FMA9

COMP B PEB B PEB A

FMA1

FMA8

FMA6

FMB1

FMB6

FMB2

FMB7

COMP A

FMB3

FMB8

FMB4

FMB9

FMB5

FM B10

FM B11

FMA5

FM A11

FMA4

FM A10

FMA3

FMA9

FMA2

FMA8

COMP B PEB B PEB A

FMA1

FMA7

FMA6

FMB1

FMB7

FMB2

FMB8

COMP A

FMB3

FMB9

FMB4

FM B10

FMB5

FM B11

FMB6

FM B12

FMA7

FM A14

FMA6

FM A13

FMA5

FM A12

FMA4

FM A11

COMP B PEB B

FMA3

FM A10

FMA2

FMA9

FMA1

FMA8

PEB A

COMP Compressor FM Fan Motor FC Fan Contactor PEB Power Electrical Box

Page 9

Follow the steps below for each circuit: 1. Remove fan contactor coil wiring to terminals A1 and

A2. Using field-supplied wire nuts, cap these wires off individually.

2. Remove the line side wiring from terminals L1, L2 and L3. Do not cap these.

3. Remove the load side wiring from terminals T1, T2, T3 and the fan motor ground wire. The fan motor cable must be pulled out of the control panel and back into the appropriate VFD panel.

4. Remove the contactor from the DIN rail and install a fuse block in its place.

5. Connect the line side wiring removed in step 2 to the line side of the fuse block.

6. Install 3 fuses in the fuse block and close the fuse block cover. 7. Repeat steps 1 through 6 for the appropriate motor on each

circuit. See Fig. 5 for an example of a 30RB210 chiller with the three fuse blocks installed. See Fig. 6 for a view of typical wiring schematics.

Fig. 5 Fuse Blocks Installed in Control Panel (30RB210 Unit Shown)

BUSS BUSS BUSS

FU9

30A 600V

NO2L 3L

1 3 5 L1

STATUS

10E

11 12 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-10

5117006-3A3401

1 3 5 L1

STATUS

10E

11 12 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-8

5117006-3A3401

NOL3L2

1 3 5 L1

STATUS

10E

11 12 13 NO

C/041003

COS

3 4 146

FC-7

L1 NO2L 3L

1 3 5 L1

STATUS

10E

11 12 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-11

5117006-3A3401

NO2L 3L

1 3 5 L1

STATUS

10E

11 12 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-12

5117006-3A3401

NO2L 3L

1 3 5 L1

STATUS

10E

11 17 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-3

5117006-3A3401

BUSS BUSS BUSS

FU8

30A 600V

NO2L 3L

1 3 5 L1

STATUS

10E

11 17 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-4

5117006-3A3401

L1 NO2L 3L

1 3 5 L1

STATUS

10E

11 17 13 NO

C/041003

COS

3 4 146

SIEMENS

FC-6

5117006-3A3401

BUSS BUSS BUSS

FU7

30A 600V

NOL3L2

1 3 5 L1

STATUS

10E

11 17 13 NO

COS

3 4 146

SIEMENS

FC-2

5117006-3A3401

L1FUSE BLOCK 7

FUSE BLOCK 8

FUSE BLOCK 9

Page 10

Fig. 6 Typical Wiring, 30RB060-390 and 30XA080-501 After Low Ambient Temperature Head Pressure Control Installed (30RB110-190 Shown)

LOW AMBIENT TEMPERATURE HEAD PRESSURE CONTROL WIRING

Page 11

Step 3 Mount the Low Ambient Temperature Head Pressure Control

All units require mounting one mounting plate (Fig. 7), one sup- port plate (Fig. 8), and one wiring cover (Fig. 9) per VFD panel assembly. See Fig. 10 and 11 for drive mounting locations and the fan number for each circuit. 1. Remove the existing wiring tray cover (four 6-mm screws).

Retain all screws for later use. 2. The fan motor cables removed from the contactors in the

control panel must be routed into the appropriate drive. Locate these cables and pull them back to the drive location. A tag indicating Motormaster Option is secured to the odd-numbered fan from each condenser section and should be visible with the tray cover removed.

3. Install the support plate first to the bottom side of the coil rail using 4 of the 8-mm screws supplied (Fig. 8 and Fig. 12).

4. Position the drive in place on this rail and let the front edge rest on the outer coil rail. Secure the back of the drive in place to the rail with one (single VFD panel) or two 8-mm screws (dual VFD panel). Note that the screws come from below and should engage into threaded inserts in the drive panel. See Fig. 12.

NOTE: The 30RB060-080 units contain a dual VFD panel, which are two VFDs, one for each circuit, located in one large enclosure. The 30RB090-300 and 30XA080-501 units contain a single VFD panel, which is one VFD inside one enclosure, one for each circuit. 5. Snap the plastic wiring bushing into the hole in the front sup-

port rail. See Fig. 13. 6. Pull the existing motor wiring back through this bushing and

up into the drive panel. Connect terminals 1, 2 and 3 of the cable to drive terminals U, V and W. For the Siemens Micromaster VFD, the drive should already have existing line wiring, signal wiring (red to 3, black to 4) and two jumpers (2-4 and 5-8 for 200, 208/230, 380 and 460 v; for 575 v, 2-4 and 5-9) in place. Ground wires connect to marked terminals at the bottom front of drive. See Fig. 14. For the Schneider Altivar 212 and 312 VFD, the drive should have signal wiring (red to VIA, black to CC) and a jumper (P24 to F) in place.

7. Route the line side power L1, L2, L3 (Siemens) R/L1, S/L2, T/L3 (Schneider) and signal cables from the drive through the bushing in the opposite direction. These cables go to the main control panel. Connect the line power cable to the appropriate fuse block (FU7 for Circuit A, FU8 for Circuit B or FU9 for Circuit C). See Fig. 15-18.

8. Install the mounting plate to the bottom side of the coil rail using 4 of the 8-mm screws supplied. Secure the cover por- tion of the rail in place using 4 of the 6-mm screws supplied. Secure the front of the drive to the front support rail (screws install from below) with the 6-mm screws supplied. See

Fig. 14 for a view of the inside of the drive panel once installed.

9. Using three 6-mm screws supplied, install a wiring cover underneath each panel (part of mounting plate).

10. For sizes 30RB060-150, replace the existing fan board 1 in the chiller control panel with the one supplied with the kit. Set the new board address to match the old board. Similarly, for sizes 30RB160-190 and modular unit sizes 30RB315-390, replace both fan boards 1 and 2; for sizes 30RB210-250 replace fan board 1; for sizes 30RB275 and 300 replace both fan boards 1 and 2. For sizes 30RB210-300, it is not neces- sary to replace fan board 3.

11. The installation kit contains a two-wire assembly with a two- pin connector on one end and quick connects on the other. Connect the signal wiring from each drive to the quick con- nects (red from cable to violet, black from cable to brown). Plug the two-pin connector into the appropriate fan board according to Tables 6 and 7. See Fig. 19 and 20 for typical fan board wiring.

WARNING

DANGER

Hazard of electric shock! Wait three minutes after disconnect- ing incoming power before servicing drive. Capacitors retain charge after power is removed.

Fig. 7 Mounting Plate (Front Support/Coil Tray Cover)

(P/N 00PSN500037100A)

Fig. 8 Support Plate (Back Support Rail) (P/N 00PSN500034400A)

Fig. 9 Wiring Cover (P/N 00PSN500036500A)

Page 12

LEGEND

Fig. 10 30RB VFD Panel and Fan Location

CKT Circuit

VFD

AB AB AB AB

AB ABC

ABC ABC

ABC

VFD LOCATION

3 3 3

7 7 7

5 5 9

5 11 3 3

7 7

11 11

3 7 13 5 11 15

5 11 17

30RB060-080 30RB090-110 30RB120-150 30RB160,170

30RB190 30RB210,225

30RB250 30RB275

30RB300

Page 13

30XA260-302 30XA220-242

30XA325-352 30XA180-202

30XA400 30XA140-162

30XA090-12230XA450,500

30XA080,082

Fig. 11 30XA VFD Panel and Fan Location

LEGEND

CB Control Box CKT Circuit

VFD

Page 14

Fig. 11 30XA VFD Panel and Fan Location (cont)

30XA401

30XA451,476

30XA501

LEGEND

CB Control Box CKT Circuit

VFD

Page 15

Fig. 12 Low Ambient Temperature Head Pressure Control Mounting

MOUNTING PLATE

WIRING COVER

SUPPORT PLATE

OUTER COIL RAIL

Fig. 13 Plastic Bushing into Hole Mounting Plate

PLASTIC WIRING BUSHING

MOUNTING PLATE

SUPPORT PLATE

Fig. 14 Low Ambient Temperature Head Pressure Control Wiring

(Siemens Drive Shown)

10 11

0 Jog P

Page 16

Fig. 15 Low Ambient Temperature Control Power Wiring (Siemens)

L 1

W V

D C

L L1

N L2

+ -

T1 TO CONDENSER

FAN MOTOR

1 2 3 4

98765

DIN1 DIN2 DIN3 24V+ 0V

AOUT+ AOUT- P+ N-

12 13 14 15

DIP SWITCH 2

RLB RLC

10 11

10V+ 0V AIN+ AIN-

+ 0-10 VDC FROM FAN BOARD

ENABLE JUMPER

Fig. 16 Low Ambient Temperature Control Signal Wiring (Siemens)

(SEE NOTE)

NOTE: For 575-v units, jumper terminals are 5 and 9.

Fig. 17 Low Ambient Temperature Control Power Wiring (Schneider)

Ground screw

R/L1 S/L2 T/L3

P0 PA/+ PB PC/- U/T1 V/T2 W/T3

Ground screw

R/L1 S/L2 T/L3 P0 PA/+ PB PC/- U/T1 V/T2 W/T3

L1 L2 L3 T1 T2 T3 GND TO CONDENSER

FAN MOTOR

T1 T2 T3 GND TO CONDENSER

FAN MOTOR

L1L2 L3

Fig. 18 Low Ambient Temperature Control Wiring (Schneider)

PLC

PP VIA VIB CC

SW4

P24 CC FLA FLB FLC RY RC

F R RES FM V I

V I

SOURCE

CONNECTOR (RJ45)

SINK PLC

FM VIA

BLKRED}

0-10 VDC FROM FAN BOARD

JUMPER

Page 17

Table 6 30RB060-390 Controller Signal Wiring Location

Table 7 30XA080-501 Controller Signal Wiring Location

Step 4 Configure for Low Ambient Tempera- ture Head Pressure Control Operation The unit must be configured for operation. For 30RB units, use the scrolling marquee display or the Navigator module to configure the system. For 30XA units, use the Touch Pilot display or the Navigator module to configure the system. To configure the system with the scrolling marquee or Navigator module, perform the following: 1. Set the Enable/Off/Remote Contact switch to the Off

position. 2. Press the ESCAPE key to the top level of the menus and use

the arrow key to select the Configuration mode LED. 3. Press ENTER key, then use the Down arrow key to select

sub-mode UNIT, then press ENTER key.

4. Press the Down arrow key until VAR.A is displayed. 5. Press ENTER key twice. The words PASS and

WORD will flash. 6. Press the Up or Down arrows to display 0 1 1 1 then ENTER

key so that 0 flashes. 7. Use arrow keys to change to 1 and press ENTER. 8. Press the Down arrow key until VAR.B is displayed. 9. Press ENTER twice so that 0 flashes.

10. Use arrow keys to change to 1 and press ENTER. 11. For sizes 30RB210-300 and 30XA080-501 only, press the

Down arrow key until VAR.C is displayed. 12. Press ENTER twice so that 0 flashes. 13. Use arrow keys to change to 1 and press ENTER. 14. Press ESCAPE key until display reads UNIT. 15. Cycle control power to chiller. 16. The chiller is now configured for low ambient temperature

control. To enable low ambient control with the Touch Pilot display: 1. Push the Main Menu button on the bottom line of the dis-

play, and then select ServiceFactory to navigate to the fac- tory table.

2. Scroll down the screen by pushing the Scroll Down button or Page Down button until the NB Fans on Varifan

Circuit A is displayed on the screen. 3. Push the Modify button . If the login menu is displayed,

4. The value of varifan_a will display. Change 0 to 1 and press the OK button to confirm the input.

5. Configure NB Fans on Varifan Circuit B and NB Fans on Varifan Circuit C if required for unit size.

6. Push the Home button on the bottom line. A save con- firmation menu will display. Push the OK button to con- firm the action.

7. The chiller is now configured for low ambient temperature control.

30RB UNIT SIZE CIRCUIT A CIRCUIT B CIRCUIT C

060-150 Fan Board 1, Channel 9

Fan Board 1, Channel 10

160-190, 315-390

Fan Board 1, Channel 9

Fan Board 2, Channel 9

210-225 Fan Board 1, Channel 9

Fan Board 1, Channel 10

Fan Board 3, Channel 9

275-300 Fan Board 1, Channel 9

Fan Board 2, Channel 9

Fan Board 3, Channel 9

30XA UNIT SIZE CIRCUIT A CIRCUIT B CIRCUIT C

080-122 Fan Board A, Channel 9

Fan Board A, Channel 10

140-352, 401,451,476,501

Fan Board A, Channel 9

Fan Board B, Channel 9

400,450,500 Fan Board A, Channel 9

Fan Board B, Channel 9

Fan Board C, Channel 9

Page 18

Fig. 19 Typical 30XA Fan Board Wiring

30XA080,082 ALL VOLTAGES

NOTE: For Schneider Altivar 212 and 312 connec- tion, attach red to VIA, black to CC, and a jumper from P24 to F. This applies to all circuits.

30XA090-352,401,451,476,501 ALL VOLTAGES

30XA400,450,500, ALL VOLTAGES

Page 19

Fig. 20 Typical 30RB Fan Board Wiring

30RB060-080, ALL VOLTAGES

NOTE: For Schneider Altivar 212 and 312 connec- tion, attach red to VIA, black to CC, and a jumper from P24 to F. This applies to all circuits.

30RB090-150, ALL VOLTAGES

30RB160-190, ALL VOLTAGES

30RB210-300, ALL VOLTAGES

Page 20

Step 5 Configure Low Ambient Temperature Head Pressure Control The VFDs should be shipped correctly configured. It is recom- mended that the configuration of the VFD is verified prior to pro- ceeding. To check each drive configuration, complete the following: FOR SIEMENS MICROMASTER VFD: