Piping and Filling with Refrigerant: R-134a and R-407c Circuits

Figure 24 Installation data—Lee-Temp, one-circuit, four-fan model

 

 

 

 

 

Field-supplied main disconnect switch in

 

 

 

 

 

accordance with local codes or main unit

 

 

 

 

 

switch ordered as optional equipment

 

 

 

 

 

factory-installed in condenser control box.

 

 

 

 

 

* Liquid line from

 

 

 

 

 

condenser (Circuit 1)

4

 

 

 

 

 

 

6

 

 

 

See

 

 

See

 

 

 

 

 

 

 

 

Note 14

 

Note 12

* Hot Gas Line

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Unit

 

 

 

 

 

 

(Circuit 1)

 

 

 

 

 

 

 

 

 

 

 

Electrical service

 

Lee-Temp heater

 

 

 

 

by others

 

 

 

 

 

 

 

pad electric box

 

 

 

 

 

Mounting Instructions

this end (See Page 3)

 

 

 

 

Hot Gas Line (Circuit 1)

 

 

 

 

See Note 14

Liquid Line (Circuit 1) See Note 14

1. Uncrate carton and inspect for damage to* Hot Gas Line to

 

 

Liquid Return

Ensure piping stays below electrical

condenser and condenser control panel. Condenser (Circuit 1)

A

 

box and does not protrude

D

Line to Unit

2. Assemble legs per instructions as shown.

 

Metal

Position elbow to direct

(Circuit 1)

3. Double risers are required when hot gas

relief valve downward

 

Clamp

vertical rise is 15 feet (4.6m) or more

 

 

 

 

Isolator

 

 

 

 

Note 14

(see 2.6 Install Double Discharge Risers).

 

 

 

 

4. Wire according to electrical diagram on inside

 

MATERIALS SUPPLIED

 

of condenser control box and in accordance with

 

 

 

BY EMERSON NETWORK POWER

all local codes.

 

 

1 Built-in condenser control box. See electrical drawing￿

5. All condenser locations more than 200ft. (61m) of

 

 

 

for details and field wiring.

equivalent piping length away from Liebert XDC

 

 

must consult factory for special piping considerations.

2

Air-cooled condenser.

6. Field to size refrigerant lines so as not to exceed

 

3

Piping access cover to be reinstalled when piping is completed.

2°F (1.1°C) saturation loss for total equivalent length

4 Bolts - (4 per leg) 3/8" (9. 5mm) - (16) sixteen 5/8" (15.9mm)

(do not use connection sizes to determine line sizes).

5

Terminal block for two-wire, 24V interlock connection between￿

7. Condenser installation is limited to a maximum of￿

 

15ft. (4.6m) location below Liebert XDC unit.

 

 

Liebert XDC and Liebert condenser.

8. Do not run piping or wiring in the path of air flow

 

6

Condenser legs - (8) eight legs for (4) four-fan models.

because this will reduce system performance.

 

7

Lee-temp:

 

9. Install field-supplied inverted traps on hot

 

 

 

 

a. Insulated storage receiver - storage

gas lines between condenser and field piping.

 

 

10. All other piping field-supplied and field-connected.

 

 

receiver (1) per circuit. 5-foot-long receiver

11. Inverted traps must be installed to allow proper

 

 

is standard.

 

clearance to fully open condenser control box door

 

 

b. Dual head pressure control valve assembly

and in accordance with local electric codes.

 

 

 

 

with integral check valve(s) - (1) one per circuit (See Note 13)

12. Secure Lee-Temp receiver assembly and each leg to

 

condenser frame using hardware provided. Receiver

 

c. Rotalock valve - (1) one per circuit

can be mounted on either side of the condenser.

 

 

d. Pressure relief valve - (1) one per circuit, field-installed.

13. Lee-Temp Item B is shipped as a pre-piped

 

 

e. Liquid level indicator - (1) per circuit, factory-installed

assembly shipped loose for field installation.

 

 

 

 

on receiver

 

Item C is shipped loose for field installation.

 

 

 

14. Fasten liquid and hot gas lines using flat surface

 

8

Bolts - Lee-Temp 3/8" (9. 5mm)

clamps with isolators (field-provided). Support

 

 

 

 

 

field piping separately to avoid coil damage and

 

 

 

 

DPN000937

loss of charge

 

 

 

 

 

15. Relieve pressure at access port. Replace access port

 

 

 

Pg. 01, Rev. 09

 

 

For CSL616 condenser piping

fitting with relief valve before charging system.

 

 

 

 

 

 

 

 

connections, see Figures 28 and 29.

24

Page 30
Image 30
Liebert XDC user manual Installation data-Lee-Temp, one-circuit, four-fan model