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284
Terminal
number
Indication
Mix control (normal mode) Mix control (expanded mode)
Symbol Name Symbol Name
1 OUT1 L1H CH1 Heating output L1H CH1 Heating output
2 OUT2 L1C CH1 Cooling output L1C CH1 Cooling output
3 OUT3 L3 CH3 Output L3 CH3 Output
4 OUT4 L4 CH4 Output L4 CH4 Output
5 COM- Output common COM- Output common
6 NC NC Unused NC Unused
7 IN1 A1 CH1 A
CH1 Resistance
thermometer A
CH1 A
CH1 Resistance
thermometer A
8IN2 A2MT2 A
Monitor 2 resistance
thermometer A
CH2 A
CH2 Resistance
thermometer A
9 IN1 B1 CH1 B
CH1 Resistance
thermometer B
CH1 B
CH1 Resistance
thermometer B
10 IN2 B2 MT2 B
Monitor 2 resistance
thermometer B
CH2 B
CH2 Resistance
thermometer B
11 IN1 b1 CH1 b
CH1 Resistance
thermometer b
CH1 b
CH1 Resistance
thermometer b
12 IN2 b2 MT2 b
Monitor 2 resistance
thermometer b
CH2 b
CH2 Resistance
thermometer b
13 IN3 A3 CH3 A
CH3 Resistance
thermometer A
CH3 A
CH3 Resistance
thermometer A
14 IN4 A4 CH4 A
CH4 Resistance
thermometer A
CH4 A
CH4 Resistance
thermometer A
15 IN3 B3 CH3 B
CH3 Resistance
thermometer B
CH3 B
CH3 Resistance
thermometer B
16 IN4 B4 CH4 B
CH4 Resistance
thermometer B
CH4 B
CH4 Resistance
thermometer B
17 IN3 b3 CH3 b
CH3 Resistance
thermometer b
CH3 b
CH3 Resistance
thermometer b
18 IN4 b4 CH4 b
CH4 Resistance
thermometer b
CH4 b
CH4 Resistance
thermometer b