162
Table 80. P358 (M3 Unit Controller - Part Number 104661-xx Only)
Pin # Label Wire Color
1 RS485_A RED
2 RS485_B YELLOW
3 NOT USED
4 GND BLACK
30.2. GP3 Control
Table 81. P348
Pin # Description Type
1 5VDC SUPPLY (10MA MAX) 5VDC
2 ANALOG/PWM OUTPUT 4 AO: 0-10VDC; PWM: 0-15V
* ULTRA C: PWM FAN B23/B24 PWM: 0-15V
3 ANALOG/PWM OUTPUT 2 AO: 0-10VDC; PWM: 0-15V
4 ANALOG/PWM OUTPUT 3 AO: 0-10VDC; PWM: 0-15V
* ULTRA C: PWM FAN B22 PWM: 0-15V
5 ANALOG/PWM OUTPUT 1 AO: 0-10VDC; PWM: 0-10V
6 RELAY 1 - NORMALLY OPEN RELAY (DRY) CONTACT
7 RELAY 1 - COM RELAY (DRY) CONTACT
8 RELAY 2 - COM RELAY (DRY) CONTACT
9 RELAY 2 - NORMALLY OPEN RELAY (DRY) CONTACT
10 DIGITAL INPUT 3 24V DI
11 DIGITAL INPUT 4 24V DI
12 DIGITAL INPUT 2 24V DI
13 THERMISTOR INPUT 2 (10K@25C)
RES 0 - 3.3 VDC
* ULTRA C: SENSOR THERMISTOR COMPRESSOR 4
14 ANALOG INPUT 1 0-10VDC
* ULTRA C: TRANSDUCER TANDEM COMP B 0-5VDC
15 ANALOG INPUT 2 0-10VDC
16 THERMISTOR INPUT 1 (10K@25C)
RES 0 - 3.3 VDC
* ULTRA C: SENSOR THERMISTOR COMPRESSOR 3
17 ANALOG INPUT 3 (0-10VDC) 0-10VDC
18 GROUND GND
19 GROUND GND
20 GROUND GND
21 GROUND GND
22 COM COM
23 COM COM
24 DIGITAL INPUT 1 24V DI
30.3. C3 Control
Table 82. P118
Pin # Label Description Type
1 24VAC 24VAC SUPPLY (FOR RELAY OUTPUTS) 24VAC
2 COM 24VAC COM 24VAC COM
3 OPEN (NOT USED)
4 OPEN (NOT USED)
5 FAN3 RELAY OUTDOOR FAN 3 24VAC DO
* ULTRA C: RELAY K233 CRANKCASE HEATER COMP 3
6 OPEN (NOT USED)
7 OPEN (NOT USED)
8 FAN4 RELAY OUTDOOR FAN 4 24VAC DO
* ULTRA C: RELAY K234 CRANKCASE HEATER COMP 4
9 FAN5 RELAY OUTDOOR FAN 5 24VAC DO
10 FAN6 RELAY OUTDOOR FAN 6 24VAC DO
11 CMP3 CONTACTOR COMPRESSOR 3 24VAC DO
12 CMP4 CONTACTOR COMPRESSOR 4 24VAC DO
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