Carrier 40KMC Series Installation Instructions Manual page 10
In-ceiling cassette duct - free split system, sizes 018 to 036
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Also See for 40KMC Series:
- Product data (38 pages) ,
- Installation instructions manual (29 pages) ,
- Owner's manual (9 pages)
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Control
Wiring
The control circuit is 24 volts AC (naininmm 40VA) supplied from
the indoor unit,
1. Make sure you have enough control wires to cover the dis-
tance between the indoor and outdoor unit,
2, Route one end of the control wiring through the opening
provided in the unit side panel and connect to the control
terminal strip using either Fig. 19 for 38HDF units and Fig.
20 for 38QRF units,
Indoor
Terminal
Board
Indoor _
_4v
Board
COHPR
T ° v2°;
Board
I_ I
A09508
Fig. 19 - 38HDF
Control
Terminal
Strip
Indoor_
Board
Outdoor
...... _o i41_i_
_
Board
.............
_o _LL
r_
Terminal
Board
Fig. 20 - 38QRF
Control
Terminal
Strip
A09509
NOTE:
Use No. 18 AWG
color-coded,
insulated
(35°C
minimum)
wire.
If the distance
between
the indoor
and outdoor
unit is
greater
than
100 ft. (30.5
m), as measured
along
the control
voltage
wires, use No. 16 AWG
color-coded
wire to avoid
excessive
voltage
drop.
10
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