QUANTUM™ HD UNITY SYSTEM CONTROLLER
MAINTENANCE
090.670-M (APR 2020)
Page 45
Figure 32: Condenser analog board 1
CH24 – Ammonia Input 3 (ppm)
CH22 – Ammonia Input 1 (ppm)
CH23 – Ammonia Input 2 (ppm)
CH21 – OPEN INPUT
CH20 – OPEN INPUT
CH18 – Analog Auxiliary 9
CH19 – Analog Auxiliary 10
CH17 – Analog Auxiliary 8
CH16 – Analog Auxiliary 7
CH14 – Analog Auxiliary 5
CH15 – Analog Auxiliary 6
CH13 – Analog Auxiliary 4
CH12 – Analog Auxiliary 3
CH10 – Analog Auxiliary 1
CH11 – Analog Auxiliary 2
CH9 – OPEN INPUT
CH8 – OPEN INPUT
CH6 – OPEN INPUT
CH7 – OPEN INPUT
CH5 – Condensed Liquid Temperature
CH4 – Outside RH (%)
CH2 – Condensing Pressure (B)
CH3 – Outside Air Temperature
CH1 – Condensing Pressure (A)
OUTPUTS
CH8 – VFD Fan Output H
CH4 – VFD Fan Output D
CH7 – VFD Fan Output G
CH3 – VFD Fan Output C
CH6 – VFD Fan Output F
CH2 – VFD Fan Output B
CH5 – VFD Fan Output E
CH1 – VFD Fan Output A
COM +Tx/+Rx +24VDC-Tx/-Rx
SW1
PWR OK LED (D65)
Active LED (D64)
Tx LED (D62)
Rx LED (D63)
J33 Defaulted Pins 2-3