NOTE: Network resistor is shipped with the outdoor unit for field instal-
lation on heat pump systems.
LEGEND
AWG —
American Wire Gage
IDU —
Indoor Unit
P Q
X Y
Centralized controller
X Y
P Q
P Q
P Q
P Q
P Q
P Q
wired controller
HA HB
L1
L3
L5
L6
L7
L8
L9
L10
1 1 L
L3
L3
L3
L3
outdoor unit
Indoor unit 1#
Indoor unit 2#
Indoor unit 3#
Indoor unit 4#
Indoor unit 5#
Indoor unit 6#
P
Q
HA
HB
HA
HB
HA
HB
HA
HB
HA
HB
HA
HB
Network Resistor
Maximum wiring length
L1+L3 </= 3937 ft. 16 AWG, 2-Core Stranded Shield
L5</= 3937 ft. 16 AWG, 2-Core Stranded Shield
L6+L7+L8+L9</= 820 ft. 16-20 AWG, 2-Core Stranded Shield
L10+L11 </= 820 ft. 16-20 AWG, 2-Core Stranded Shield
HA HB
Touch screen
wired controller
Note: 24v DC Power
Note: Power from IDU
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