1. For one unit installation: The air conditioner / heat pump should be mounted slightly
forward of center (front to back) and centered from side to side. See FIG.1.
2. For two unit installation: Install one air conditioner / heat pump 1/3 distance and the
other air conditioner / heat pump 2/3's from front of RV and centered from side to side.
See FIG.2.
It is preferred that this air conditioner / heat pump be installed in a relatively flat and
level roof section measured with the RV parked on a level surface; however, up to 15
degree slant to either side, or front-to-back is acceptable.
FIGURE 1
FIGURE 2
ACTH12 THERMOSTAT INSTALLATION:
ACTH12 THERMOSTAT WIRING
IMPORTANT: When connecting the wires:
1. Make any adjustments required to relieve pinched or stressed wiring.
2. Remove 1/4"insulation from the 4 wires. Use a small FIat-head screw driver to loosen
the wire terminal screws. Push each corresponding wire into the proper terminal
hole and tighten each screw.
T O U P P E R U N I T
R E L A Y B O X
C O M
1 2 V +
A
B
12V+
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