York YD480 Series - OPERATING MEASUREMENTS - COOLING; REFRIGERANT SAFETIES; OPERATING MEASUREMENTS ELECTRIC HEATING

5012886-YIM-B-0517
Johnson Controls Unitary Products 37
1034350-UCL-D-0817
Unitary Products Group 5
OPERATING MEASUREMENTS - COOLING
REFRIGERANT SAFETIES
OPERATING MEASUREMENTS ELECTRIC HEATING
Heater kW ____________kW Heater Voltage, Nameplate ____________ Volts
Heater Model Number: _______________________________
Serial Number: ______________________________________
Stage
Discharge
Pressure
Discharge
Temp.
Liquid Line
Pressure At
Service
Valve
Liquid Line
Temp.
1
1. Liquid line temperature should be taken before filter/drier.
Subcooling
2
2. Subtract 10 psi from discharge pressure for estimated liquid line pressure
Suction
Pressure
Suction
Temp.
Superheat
First
3
3. If Rawal valve installed, contact Technical Service.
#°# ° °#°°
Second (if equipped) # ° # ° ° # ° °
Third (if equipped) # ° # ° ° # ° °
Fourth (if equipped) # ° # ° ° # ° °
Heat Pump 1st Stage # ° # ° ° # ° °
Outside air temperature ________________ db °F ________________ wb °F ________________ RH%
Return Air Temperature ________________ db °F ________________ wb °F ________________ RH%
Mixed Air Temperature ________________ db °F ________________ wb °F ________________ RH%
Supply Air Temperature ________________ db °F ________________ wb °F ________________ RH%
Action Completed See Notes
Prove Compressor Rotation (3 phase only) by guage pressure

Prove High Pressure Safety, All Systems

Prove Low Pressure Safety, All Systems

Heater Nameplate Measured List All Three Amperages
Stage 1 _________AMPS _________AMPS _________AMPS _________AMPS
Stage 2 _________AMPS _________AMPS _________AMPS _________AMPS
Stage 3 _________AMPS _________AMPS _________AMPS _________AMPS
Stage 4 _________AMPS _________AMPS _________AMPS _________AMPS
Checked Heater Limit Yes  No 
Air Moving Switch Installed? Yes  No 