Johnson Controls HVWHP072B32S - Checking Using Service Checker

SM-18006
3-35
TROUBLESHOOTING
3.1.7 Checking Using Service Checker
(1) Service Checker Display Items
Items in the following table can be identied from the service checker.
Water Source Unit Information
Indication Description
Alarm Date Alarm Detection Date
Alarm Time Alarm Detection Time
Alarm REC No. Data Record No. at Alarm Detection Record
U.No. Unit Number
Cycle State Cycle State (Stop/Cooling/Heating/Defrost)
Run State Operation State
HEX State Heat Exchanger State
For Defrost Preparation for Defrost/Normal
Test Run Test Run/Normal
Emergency Run Emergency Operation/Normal
Pro.Code Protection Code
Pro.Level Protection Level
INV1 Code Inverter 1 Stop Reason Code
INV1 State Inverter 1 Operation State
INV2 Code Inverter 2 Stop Reason Code
INV2 State Inverter 2 Operation State
Comp1 Run Time Compressor 1 Operation Time (hr)
Comp2 Run Time Compressor 2 Operation Time (hr)
Comp1 Mainte Operation Time since Compressor 1 Maintenance (hr) (Operation time since reset)
Comp2 Mainte Operation Time since Compressor 2 Maintenance (hr) (Operation time since reset)
H1 Inverter 1 Compressor Frequency (MC1) (Hz)
H2 Inverter 2 Compressor Frequency (MC2) (Hz)
oE1 Expansion Valve (MV1) Opening (%)
oE2 -
EVB Bypass Expansion Valve (MVB) Opening (%)
MV3 Inverter Cooling Circuit Expansion Valve Opening (%)
MV4 Plate-type Heat Exchanger Expansion Valve Opening (%)
Pd Discharge Gas Pressure (psi/MPa)
Ps Suction Gas Pressure (psi/MPa)
Td1 Discharge Gas Temp. for Compressor 1 (
o
F/
o
C)
Td2 Discharge Gas Temp. for Compressor 2 (
o
F/
o
C)
Td Discharge Gas Average Temp. (
o
F/
o
C) (When stopped: Td = Td1)
TdSH Discharge Gas Superheat
o
F/
o
C)
Tsc Subcooler Temp. (
o
F/
o
C)
Te1 Evaporation Liquid Line Temp. (Te) (
o
F/
o
C)
Te2 -
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)
Tg2 -
Ts Temp. Inside Electrical Box (
o
F/
o
C)
INV1A2 Inverter Compressor 1 Secondary Current (A)
INV1A1 Inverter Compressor 1 Primary Current (A)
INV2A2 Inverter Compressor 2 Secondary Current (A)
INV2A1 Inverter Compressor 2 Primary Current (A)
ROM No Water Source Unit Control PCB (PCB1) ROM No.
i1ROM No Inverter 1 PCB (INV1) ROM No.
i2ROM No Inverter 2 PCB (INV2) ROM No.
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)