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507787-01Cmrcool.comPage 16 of 22
R
G
AIR
CONDITIONER
UNIT
R
R
G
G
BU
W
W
BK
COOLING‐ONLY APPLICATION
AIR HANDLERTHERMOSTAT
HEAT‐ONLY APPLICATION
AIR HANDLERTHERMOSTAT
COOLING APPLICATION WITH
ELECTRIC HEAT
AIR HANDLERTHERMOSTAT
HEAT PUMP APPLICATION WITH
ELECTRIC HEAT
NOTE - Connect common wire only if required (Refer to the appropriate thermostat installation instructions).
BU
BU
SEE
NOTE
SEE
NOTE
SEE
NOTE
Y
Y
AIR CONDITIONER
UNIT
R
G
BU
W
BK
CONNECT COMMON
WIRE ONLY IF
REQUIRED
(REFER TO THE
APPROPRIATE
THERMOSTAT
INSTALLATION
INSTRUCTIONS)
AIR HANDLER
THERMOSTAT
HEAT PUMP
UNIT
Figure 16.
Air Flow – Cooling Blower Speed
capacity rating of the air handler.
If the outdoor unit is smaller than the maximum cooling
chart in Table 2.
supplies before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical
shock.
Change Blower Speed
1.
2. Remove the air handler access panel.
3.
4.
harness connector.
NOTE:
5. Replace all panels.
6.
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