Page 23
XP17
Fan Motor (B4) Test Procedure
A simple test can be used to test the fan motor operation. A fully charged 9V battery will be required for this procedure.
J2
F
A
N PWM OUT
P
ARK
COM
BLACK LEAD
BROWN LEAD
BROWN LEAD
BLACK LEAD
REMOVE BOTH LEADS
FROM J2 TERMINALS
CONNECT B4 FAN MOTOR BLACK
COMMON WIRE TO 9V BATTERY
NEGATIVE TERMINAL
FAN MOTOR CONTROL (A177)
BLACK LEAD
BROWN LEAD
FAN MOTOR TEST
FULLY CHARGED 9V BATTERY
This is a test that will verify that the motor does operate.
J2
1. Verify main (240 volt) power if
OFF
to unit.
2. Remove both wires (brown and black) from the J2 terminal on the fan motor
control (A177).
3. Room thermostat should be in
OFF
position (unit in idle mode - no heating or
cooling demands)
4. Turn main power (240 volt)
ON
to unit.
5. Connect 9 Volt battery to fan motor (B4) plugs as noted in picture
below.
6. Fan motor should run at a reduced fan speed.
7. Fan motor does not run, then replace fan motor assembly.
NEGATIVE TERMINAL
POSITIVE TERMINAL
CONNECT B4 FAN MOTOR WIRE
TO 9V BATTERY POSITIVE
TERMINAL
V
Figure 11. Fan Motor (B4) Test
Содержание iComfort SL18XC1 Series
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Страница 45: ...Page 45 XP17 Factory Wiring Diagrams Figure 22 Typical Factory Wiring XP17 XX 230 01...
Страница 46: ...Page 46 XP17 Figure 23 Typical Factory Wiring XP17 XX 230 02...
Страница 47: ...Page 47 XP17 Figure 24 Typical Factory Wiring XP17 XX 230 03 and 05...
Страница 48: ...Page 48 XP17 Figure 25 Typical Factory Wiring XP17 XX 230 06...