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FIGURE 6
VOLTAGE CONNECTIONS DIAGRAM
STANDARD
THERMOSTAT
SUB-BASE
R
W2
X
B
Y
G
E
Y2
IF EMERGENCY HEAT RELAY AND OUTDOOR THERMOSTATS ARE NOT USED, A JUMPER BETWEEN "W2" AND "E" CAN BE
INSTALLED TO TRANSFER CONTROL OF HEATING TO THE FIRST STAGE WHEN THE SYSTEM SWITCH IS IN THE
EMERGENCY HEAT
12
F. THERMOSTAT
Mount the thermostat 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 heat pump thermostat package
CAREFULLY because each has some different wiring requirements.
UNIT CONTROL
WIRE PIGTAILS
RED
PR
BROWN
BLUE
YELLOW
BK/Gr
Y/BL
2 STAGE SYSTEM ONLY
POSITION.
XII. INDOOR AIR FLOW DATA
All 208/230 volt units are equipped with multi-speed indoor blower motors. Each unit is
shipped factory wired for the proper speed at a normal external static. See Airflow
Performance Table for blower performance.
XIII. PRE-START CHECK
1. Is unit properly located and level?
2. Is ductwork insulated, weatherproofed, with proper spacing to combustible materi-
als?
3. Is air free to travel to and from outdoor coil? (See Figure 1.)
4. Is the wiring correct, tight, and according to unit wiring diagram?
5. Is unit grounded?
6. Are field supplied air filters in place and clean?
7. Do the outdoor fan and indoor blower turn freely without rubbing, and are they tight
on the motor shafts?
8. Is unit elevated to allow for outdoor coil condensate drainage during heating opera-
tion and defrost?
XIV.STARTUP
1. Turn thermostat to "OFF," turn "on" power supply at disconnect switch.
2. Turn temperature setting as high as it will go.
3. Turn fan switch to "ON."
4. Indoor blower should run. Be sure it is running in the right direction.
5. Turn fan switch to "AUTO." Turn system switch to "COOL" and turn temperature set-
ting below room temperature. Unit should run in cooling mode.
6. Is outdoor fan operating correctly in the right direction?
WITH ONE OUTDOOR THERMOSTAT W/EMERGENCY
HEAT RELAY
UNIT CONTROL
THERMOSTAT
WIRE PIGTAILS
SUB-BASE
RED
R
BK/GR
G
BLUE
B
BROWN
X
E
W2
PU
OUTDOOR
THERMOSTAT
W/EMERGENCY
HEAT RELAY
BROWN
RED
WH
BL
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