AAON RN Series Installation Operation & Maintenance page 127

Refrigeration System 4 – Heating Mode (Heat Pump only)
Pressure
Discharge
Suction
Liquid
Air-Cooled Condenser
Alignment
Number hp
1
2
3
4
5
6
Water/Glycol System
1. Has the entire system been flushed and pressure checked?
2. Has the entire system been filled with fluid?
3. Has air been bled from the heat exchangers and piping?
4. Is the glycol the proper type and concentration (N/A if water)?
5. Is there a minimum load of 50% of the design load?
6. Has the water piping been insulated?
7. What is the freeze point of the glycol (N/A if water)? _______________________________
Gas Heating
Natural Gas
Stag Manifold Pressure (w.c.)
e
1
2
Electric Heating
Stages__________
Limit Lockout
Stage
1
2
3
4
Saturated
Temperature
Check Rotation
L1
Propane Purge Air from Lines
Amps
Line
Sub-cooling
Temperature
Nameplate Amps________
L2
Stage Manifold Pressure (w.c.)
3
4
Aux. Limit Lockout
Stage
5
6
7
8
Superheat
N/A N/A
N/A
N/A
L3
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Verify Pilot Spark
Amps
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