Johnson Controls HVWHP072B32S - Page 58

3-38
SM-18006
TROUBLESHOOTING
Water Source Unit Information
Indication Description
Tsc Subcooler Temp. (
o
F/
o
C)
Te1 Evaporation Liquid Line Temp. (Te) (
o
F/
o
C)
Tchg Liquid Stop Valve Temp. (
o
F/
o
C)
Tw Entering Water Temp. (Ta) (
o
F/
o
C)
Tn1 Inverter 1 Temp. (Tf1) (
o
F/
o
C)
Tn2 Inverter 2 Temp. (Tf2) (
o
F/
o
C)
Tg1 Evaporation Gas Line Temp. (Tg) (
o
F/
o
C)
Ts Temp. Inside Electrical Box (
o
F/
o
C)
INV1A1 Inverter Compressor 1 Primary Current (A)
INV1A2 Inverter Compressor 1 Secondary Current (A)
INV2A1 Inverter Compressor 2 Primary Current (A)
INV2A2 Inverter Compressor 2 Secondary Current (A)
C11 Pressure Ratio Protection Control (Pc1)
C13 High Pressure Increase Protection Control (Pc2)
C14 Inverter Temperature Increase Protection Control (Pc4)
C15 Discharge Temperature Increase Protection Control (Pc5)
C16 -
C17 Inverter Current Protection Control (Pc3)
RY1 Relay for Inverter Compressor 1
RY2 Relay for Inverter Compressor 2
CH1 Relay for Crankcase Heater 1
CH2 Relay for Crankcase Heater 2
Y211 Relay for Reversing Valve 1 (RVR1)
Y212 Relay for Reversing Valve 2 (RVR2)
20A1 Relay for Solenoid Valve (to bypass high/low pressure) (SVA)
20B Relay for Solenoid Valve (to bypass plate type heat exchanger) (SVB)
20C Relay for Solenoid Valve (to bypass inverter radiation piping) (SVC)
20F Relay for Electrical Box Cooling Fan (CF)
i1 Input Signal 1 (Water Flow Switch)
20CHG -
20X1 Relay for Solenoid Valve (for blocking high/low pressure) (SVG)
20X2 Relay for Water Pump
Indoor Unit Information
Indication Description
Unit No.
Unit Number of Lowest Order
[This is different from "Unit No." indicated in normal service checker.]
Run/Stop Operation/Stop
Run Mode Operation Mode (Heating/Cooling/Dry/Fan)
Thmo.On Thermo (On/Off)
Air
Airow Speed (High/Medium/Low/Slow)
[This may be different from airow speed setting and depends on operating condition.]
iE Expansion Valve Opening (%) (MV)
Tl Liquid Pipe Temp. (
o
F/
o
C)
Tg Gas Pipe Temp. (
o
F/
o
C)
Ti Inlet Air Temp. (
o
F/
o
C)
To Outlet Air Temp. (
o
F/
o
C)
dT Inlet and Outlet Air Temp. Difference [Ti-To] (
o
F/
o
C)
d1 Unit Stop Reason