3. Figure 12 shows representative low voltage connection diagrams. Read your ther-
mostat installation instructions for any special requirements for your specific ther-
mostat.
NOTE — Units installed in Canada require that an outdoor thermostat (30,000
min. cycles of endurance) be installed and be wired with C.E.C. Class I wiring.
D. INTERNAL WIRING
IMPORTANT:
Some single phase models are equipped with a single pole contactor.
Caution must be exercised when servicing as only one leg of the power supply is
broken with the contactor.
Some models are equipped with electronically commutated blower motors which are
constantly energized unless the main unit disconnect is in the off position.
1. A diagram of the internal wiring of this unit is located on the inside of the com-
pressor access panel. If any of the original wire as supplied with the appliance
must be replaced, the wire gauge and insulation must be the same as original
wiring.
E. GROUNDING
F. THERMOSTAT
The thermostat should be mounted on an inside wall about five feet above the floor
in a location where it will not be affected by unconditioned air, sun, or drafts from
open doors or other sources. READ installation instructions in thermostat package
CAREFULLY because each has some different wiring requirements.
FIGURE 12
LOW VOLTAGE CONNECTIONS DIAGRAMS
!
WARNING
THE UNIT MUST BE PERMANENTLY GROUNDED. A GROUNDING LUG IS
PROVIDED IN THE ELECTRIC HEAT KIT ACCESS AREA FOR A GROUND
WIRE. FAILURE TO GROUND THIS UNIT CAN RESULT IN FIRE OR ELECTRI-
CAL SHOCK CAUSING PROPERTY DAMAGE, SEVERE PERSONAL INJURY OR
DEATH.
13
R Y1 Y2
G
C
ST-A1125-40-00
RTU-C BOARD LOW VOLTAGE
THERMOSTAT CONNECTIONS
OC B
L
W1 W2
R Y1 Y2
G
C
W
NOTE: Y2 IS ONLY NECCESSARY FOR ECONOMIZER OPERATION
STANDARD WIRING
Содержание RLNL-C 13 SEER Series
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