QUANTUMâ„¢ HD UNITY SYSTEM CONTROLLER
MAINTENANCE
090.670-M (APR 2020)
Page 50
Evaporator
Q5 and Q6 Processor Board
Group A
Comm. 4
(Zones 1-15)
Rem. Panel 1
Group A
(Zones 1-3)
Rem. Panel 2
Group A
(Zones 4-6)
Rem. Panel 3
Group A
(Zones 7-9)
Rem. Panel 4
Group A
(Zones 10-12)
Rem. Panel 5
Group A
(Zones 13-15)
Digital Board 1
Digital Board 6
Analog Board 1
Digital Board 2
Digital Board 7
Analog Board 2
Digital Board 3
Digital Board 8
Analog Board 3
Digital Board 4
Digital Board 9
Analog Board 4
Digital Board 5
Digital Board 10
Analog Board 5
Rem. Panel 6
Group B
(Zones 16-18)
Rem. Panel 7
Group B
(Zones 19-21)
Rem. Panel 8
Group B
(Zones 22-24)
Rem. Panel 9
Group B
(Zones 25-27)
Rem. Panel 10
Group B
(Zones 28-30)
Digital Board 1
Digital Board 6
Analog Board 1
Digital Board 2
Digital Board 7
Analog Board 2
Digital Board 3
Digital Board 8
Analog Board 3
Digital Board 4
Digital Board 9
Analog Board 4
Digital Board 5
Digital Board 10
Analog Board 5
Group B
Comm. 3
(Zones 16-30)
Condenser/Vessel
Q5 and Q6 Processor Board
Condenser I/O
Vessel I/O
Comm. 4
Digital Board 1Digital Board 2
Digital Board 4Digital Board 5Digital Board 6
Rx/Tx +
Rx/Tx -
Analog Board 1
Analog Board 2Analog Board 3
Engine Room
Q5 and Q6 Processor Board
Comm. 4
Digital Board 1
Rx/Tx +
Rx/Tx -
Analog Board 1
Figure 36: Digital boards for evaporator Comms
Figure 37: Digital boards for condenser/vessel Comms
Figure 38: Digital boards for engine room Comms