Liebert 8 Tons, 50 & 60Hz Site Preparation and Installation, Heat rejection connection.Field

Models: 50 & 60Hz 8 Tons

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Heat rejection connection.Field

Site Preparation and Installation

Figure 14 Indoor air-cooled centrifugal condenser electrical connections

Field Supplied Unit Disconnect

Switch when Factory Unit

Disconnect Switch is not

Supplied.

Electric Service not by Liebert.

Line VoltageElectric Power Supply Conduit.

Removable

Access Panels

Connection Terminal for

Field Supplied Earth

Grounding Wire.

Optional Factory Installed

Disconnect Switch.

 

 

 

Heat rejection connection.Field

 

 

 

supplied 24V NEC class 2 wiring. See note 2.

 

 

 

Wire connections from evaporator module:

LowVoltageElectric Power

1.

24V GND System 1

Supply Conduit Entrance.

 

2.

24V Supply System 1

 

 

 

3.

High Pressure Alarm System 1

 

 

 

4.

Hot Gas Bypass Connection System 1

 

 

 

 

(only on units with hot gas bypass.

Openings for Field Supplied

 

 

 

If no hot gas bypass, connection is

 

 

 

provided in the evaporator module.

24V NEC Class 2 Wiring

 

 

 

 

 

 

Connect wire 4 and wire 2 to the

Between Condensing Unit and

 

 

 

 

 

 

24V supply).

Fan/Coil Unit.

 

 

 

 

 

5.

24V GND System 2

 

 

 

 

 

 

6. 24V Supply System 2

 

 

 

7.

High Pressure Alarm System 2

 

 

 

8.

Hot Gas Bypass Connection System 2

 

 

 

 

(only on units with hot gas bypass.

6

"

4"

 

If no hot gas bypass, connection is

(101.6mm)

 

provided in the evaporator module.

(152.4mm)

 

 

 

Connect wire 8 and wire 6 to the

8 1/2

"

 

 

 

 

24V supply).

(215.9mm)

 

9.

24V GND Condenser Fan

12 1/2 "

 

 

10. 24V SUPPLY Condenser Fan

(317.5mm)

 

 

 

 

16 1/2 " (419.1mm)

NOTES:

 

1.

Refer to specification sheet for full load amp. and wire size amp. ratings.

 

2.

Control voltage wiring must be a minimum of 16 GA (1.6mm) for up to 75’ (23m) or not

DPN000249_Rev0

 

to exceed 1 volt drop in control line.

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Liebert 8 Tons, 50 & 60Hz user manual Site Preparation and Installation, Heat rejection connection.Field