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o
u
d t
o
r o
u
t i n
L1
Maximum wiring length
NOTE: Network resistor is shipped with the outdoor unit for field installation on
heat pump systems.
Fig. 31 —Typical Heat Pump System Communication Wiring
C
e
n
r t
i l a
e z
d
o c
n
L5
L3
L3
L3
L3
L3
Matched resistance
(network matchded
wire group)
19
r t
l l o
r e
Indoor unit 1#
Indoor unit 2#
Indoor unit 3#
Indoor unit 4#
• • • •
Indoor unit 5#
Indoor unit 6#
wired controller
L6
L7
L8
L9
wired controller
L10
L11
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