Service manual

PART III ELECTRICAL SYSTEM OF THE UNIT
3-11
ENGLISH
The motor capacitor is secured to the left fan housing side plate by one screw (Fig. 3.6-2).
The motor has 7 electrical wires: two white color wires are for capacitor, one green-yellow color for ground and the
rest four wires are for High speed (Red), Medium speed (Blue), Low speed (Black) and for common (Yellow). See
Fig. 3.6-3. The four speed wires are connected to the main circuit board and the ground wire is grounded firmly with
power cord ground wire by a screw and nut.
H speed (Red)
M speed (Blue)
L speed (Black)
Common (Yellow)
Motor
ground wire (Green yellow)
Ground wireCapacitor wire
Fig. 3.6-2 The Motor capacitor is secured at the left fan housing metal
plate by one screw.
Fig. 3.6-3 The fan motor system.
Motor type
Power requirement
Rated Power
Capacitor
Capacitor run
AC motor
120V, 60Hz
20W, 0.40A
6uf, 250Vac
CBB61
6uf+5%
250V ac
50/60Hz
Capcitor
Capcitor
Motor speed wires:
Red-High speed
Blue-Medium speed
Black-Low speed
Yellow-Common speed