Ds/Vs Units - Emerson Liebert iCOM Training And Service Manual

DS/VS Units:

P4: 24 VAC Power
P4-1: Fuse 1 (24 VAC)
P4-2: Fuse 2 (24 VAC)
P7: Fluid Sensor
P7-1: Aquastat Sensor
P7-2: Aquastat Sensor
P8: 24 VAC Alarm Inputs
P8-1: 24 VAC (RAD1/TS 50)
P8-2: 24 VAC (RAD2/TS 51)
P8-3: 24 VAC (RAD3/TS 55)
P8-4: 24 VAC (RAD4/TS 56)
P11: Low Pressure Transducer Circuits
P11-1: DCV Signal to LPT1
P11-2: Cold Start Bypass 1 Signal
P11-3: MP Signal to LPT1
P11-4: LPT1 Input to MP
P11-5: DCV Signal to LPT2
P11-6: Cold Start Bypass 2 Signal
P11-7: MP Signal to LPT2
P11-8: LPT2 Input to MP
P12: Analog Sensor 1 and 2 Inputs
P12-1: T+ Analog 1 (TS 41)
P12-2: T- Analog 1 (TS 42)
P12-5: T+ Analog 2 (TS 43)
P12-6: T- Analog 2 (TS 44)
P12: Optional High Pressure Transducer Circuits
P12-1: DCV Signal to HPT1
P12-2: HTP1 Input to MP
P12-3: MP Signal to HPT1
P12-4: HPT1 Input to MP
P12-5: DCV Signal to HPT2
P12-6: HTP2 Input to MP
P12-7: MP Signal to HPT2
P12-8: HPT2 Input to MP
iCOM
Control Training and Service Manual
P4-3: Fuse 3 (24 VAC)
P4-4: Fuse 4 (24 VAC)
P7-3: No Connection
P7-4: No Connection
P8-5: 24 VAC (HWA)
P8-6: 24 VAC Out (TS 24)
P8-7: 24 VAC Out (HWA)
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