16
Fig. 34 —Typical Heat Pump Communication Wiring Diagram
34
;<
;<
outdoor unit
Centralized controller
wired controller
+$+%
wired controller
+$+%
L3
L3
L3
L3
L3
L5
L6
L7
Indoor unit 1#
HA
HB
P
Q
Indoor unit 2#
HA
HB
P
Q
L8
L10
L11
Indoor unit 5#
HA
HB
P
Q
Indoor unit 6#
HA
HB
P
Q
Indoor unit 4#
HA
HB
P
Q
L9
Indoor unit 3#
HA
HB
P
Q
L1
4
Matched resistance
(network matchded
wire group)
3
Maximum wiring length
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/IW$:*&RUH6WUDQGHG6KLHOG
////IW$:*&RUH6WUDQGHG6KLHOG
//IW$:*&RUH6WUDQGHG6KLHOG