AAON RN-140 User Manual
Page 112

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