Heatcraft Refrigeration Products Air-Cooled Condensers none User Manual download pdf (Page 19)

NOTE:

1. UNIT MUST BE GROUNDED.

2. TO BE FIELD FUSED, REFER TO UNIT DATAPLATE FOR VOLTAGE.

3. ALL MOTORS ARE INHERENTLY PROTECTED.

4. USE 60°C WIRE.

5. REFER TO LABEL ADJACENT FUSE HOLDER FOR REPLACEMENT.

USE COPPER CONDUCTORS ONLY

FIELD WIRING

FACTORY WIRING

C FAN CONTACTOR

M FAN MOTOR

F FUSES

R RELAY

FCC FAN CYCLE CONTROL (MAY BE PRESSURE OR TEMPERATURE)

PM POWER MODULE (USED ONLY W/SYSTEM 350 COMPONENTS)

A319 THERMOSTAT FAN CYCLE CONTROL

MTB MOTOR TERMINAL BOARD

TB TERMINAL BOARD

CB CIRCUIT BREAKER

R RELAY

LEGEND

FAN MOTOR IDENTIFICATION

HEADER END

BOARD 1

TERMINAL

T1 T2 T3

3ÿ/60Hz

DISCONNECT

SWITCH

L1 L2 L3

OPERATION MODE: Open Loop, Pulse Width Modulation

PRIORITY: Poti

ALL MOTORS TO BE PROGRAMMED AS FOLLOWS:

L2L2

F1F5 F3F4 F2

4 3 2 1

EBOX

0 to 10V DC

FAN SPEED CONTROL CIRCUIT

TERMINAL

BOARD 2

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

RED

BLK

RED

BLK

RED

BLK

RED

BLK

RED

Diagram 3. Typical EC Condenser Wiring Diagram with External Signal

Diagram 4. Typical EC Condenser Wiring Diagram with Proportional Pressure Control

NOTE:

1. UNIT MUST BE GROUNDED.

2. TO BE FIELD FUSED, REFER TO UNIT DATAPLATE FOR VOLTAGE.

3. ALL MOTORS ARE INHERENTLY PROTECTED.

4. USE 60°C WIRE.

5. REFER TO LABEL ADJACENT FUSE HOLDER FOR REPLACEMENT.

USE COPPER CONDUCTORS ONLY

FIELD WIRING

FACTORY WIRING

C FAN CONTACTOR

M FAN MOTOR

F FUSES

R RELAY

FCC FAN CYCLE CONTROL (MAY BE PRESSURE OR TEMPERATURE)

PM POWER MODULE (USED ONLY W/SYSTEM 350 COMPONENTS)

A319 THERMOSTAT FAN CYCLE CONTROL

MTB MOTOR TERMINAL BOARD

TB TERMINAL BOARD

CB CIRCUIT BREAKER

R RELAY

LEGEND

FAN MOTOR IDENTIFICATION

HEADER END

BOARD 1

TERMINAL

T1 T2 T3

3ÿ/60Hz

DISCONNECT

SWITCH

L1 L2 L3

OPERATION MODE: Open Loop, Pulse Width Modulation

PRIORITY: Poti

ALL MOTORS TO BE PROGRAMMED AS FOLLOWS:

L2L2

F1F5 F3F4 F2

4 3 2 1

EBOX

TERMINAL

BOARD 2

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

7 - 0-10V PWM

1 - OUT

2 - GND

8 - GND

KL3

RED

BLK

RED

BLK

RED

BLK

RED

BLK

RED

P352PN

VDC

SENSOR

240

COM

TRANSFORMER

F13

SET P352PN INTEGRATION DIPSWITCH TO FAST

SET P352PN THROTTLING RANGE TO 100 PSI

SET P352PN MIN OUTPUT TO 0%

SET P352PN J1 FOR DIRECT ACTING CONTROL

Y350

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Heatcraft Refrigeration Products Air-Cooled Condensers none User Manual Page 19

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