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R e s i d e n t i a l S p l i t
R e v. : 1 3 M a r c h , 2 0 1 5
32
Electrical - Low Voltage Wiring
ELECTRICAL - THERMOSTAT WIRING
CAUTION!
CAUTION!
Refrigerant pressure activated water regulating
valves should never be used with ClimateMaster
equipment.
CAUTION!
Thermostat Installation
The thermostat should be located on an interior wall in a
larger room, away from supply duct drafts. DO NOT locate
the thermostat in areas subject to sunlight, drafts or on
external walls. The wire access hole behind the thermostat
may in certain cases need to be sealed to prevent erroneous
temperature measurement. Position the thermostat back
plate against the wall so that it appears level and so the
thermostat wires protrude through the middle of the back
plate. Mark the position of the back plate mounting holes
and drill holes with a 3/16” (5mm) bit. Install supplied
anchors and secure plate to the wall. Thermostat wire
must be 18 AWG wire. Wire the appropriate thermostat as
shown in Figures 26 through 30 to the low voltage terminal
strip on the CXM control board. Practically any heat pump
thermostat will work with these units, provided it has the
correct number of heating and cooling stages.
Figure 26: Typical Comfort Control
2
System™ Wiring Diagram
Thermostat Wiring
CAUTION!
Many units are installed with a
fi
eld supplied
manual or electric shut-o
ff
valve.
DAMAGE WILL
OCCUR
if shut-o
ff
valve is
closed
during unit operation.
A high pressure switch must be installed on the heat
pump side of any
fi
eld provided shut-o
ff
valves and
connected to the heat pump controls in series with
the built-in refrigerant circuit high pressure switch to
disable compressor operation if water pressure exceeds
pressure switch setting. The
fi
eld installed high pressure
switch shall have a cut-out pressure of 300 psig and a
cut-in pressure of 250 psig. This pressure switch can
be ordered with a 1/4” internal
fl
are connection as part
number 39B0005N02.
Содержание RPVE Series
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