AAON RN-140 User Manual

Page 112

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112

Refrigeration System 4 – Heating Mode (Heat Pump only)

Pressure

Saturated

Temperature

Line

Temperature

Sub-cooling

Superheat

Discharge

N/A

N/A

Suction

N/A

Liquid

N/A

Air-Cooled Condenser

Alignment

Check Rotation

Nameplate Amps________

Number

hp

L1

L2

L3

1

2

3

4

5

6


Water/Glycol System

1. Has the entire system been flushed and pressure checked?

Yes

No

2. Has the entire system been filled with fluid?

Yes

No

3. Has air been bled from the heat exchangers and piping?

Yes

No

4. Is the glycol the proper type and concentration (N/A if water)?

Yes

No

5. Is there a minimum load of 50% of the design load?

Yes

No

6. Has the water piping been insulated?

Yes

No

7. What is the freeze point of the glycol (N/A if water)? ________________________________

Gas Heating
Natural Gas

Propane

Purge Air from Lines

Verify Pilot Spark

Stage Manifold Pressure (w.c.)

Stage

Manifold Pressure (w.c.)

1

3

2

4

Electric Heating
Stages__________

Limit Lockout

Aux. Limit Lockout

Stage

Amps

Stage

Amps

1

5

2

6

3

7

4

8


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