Toshiba MMD-AP0724H2UL Service Manual page 14

Wire connection change of fan motor
This duct is composed of 3 fan motors.
To change external static pressure by duct resistance, connect the 3 connectors of the orange lead wires that are
connected to the underside of the fan tap changing terminal block to the same number (F1, F2 or F3) terminal.
The wires of the fan motor has been connected to (F2) [External static pressure 14 mmAq (137 Pa)] as factory default.
Low static pressure (F1)
FM FM
Fan motor Fan motor
F F F F
1 2 3 4
F A N 3
Standard (Middle) static pressure (F2)
FM FM
Fan motor Fan motor
F F F F
1 2 3 4
FAN3
High static pressure (F3)
FM FM
Fan motor Fan motor
F F F F
1 2 3 4
FAN3
M o d l e n a m e
V l o a t g e / F e r q u e n y c
Terminal
block No.
F1
Fan motor wiring
F2
F3
M o d l e n a m e
V l o a t g e / F e r q u e n y c
Terminal
block No.
F1
Fan motor wiring
F2
F3
* Do not use F4.
NOTE
When the external static pressure is changed, write down the static pressure once change in the wiring diagram of the indoor unit is made.
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FM
Fan motor
F F F F F F F
1 2 3 4 1 2 3
F A N 2
FM
Fan motor
F F F F F F F
1 2 3 4 1 2 3
FAN2
FM
Fan motor
F F F F F F F
1 2 3 4 1 2 3
FAN2
2 3 0 V / 5 0 H z
External static pressure
Wire color
(in.WG)
Yellow 0.692
Blue 0.929
Orange 1.212
2 3 0 V / 5 0 H z
External static pressure
Wire color
(in.WG)
Yellow 0.459
Blue 0.734
Orange 1.099
– 14 –
YEL: Yellow
BLU: Blue
ORG: Orange
F
4
F A N 1
Fan tap changing terminal block
Electrical control box
Control
P.C. board
F
4
FAN1
2P terminal block
F
4
FAN1
M M D A - P 0 7 2 4 H 2 U L
Wire color
Yellow
Blue
Orange
M M D A - P 0 9 6 4 H 2 U L
Wire color
Yellow
Blue
Orange
4P terminal
block
3P terminal
block
2 0 8 V / 6 0 H z
External static pressure
(in.WG)
0.346
0.580
0.896
2 0 8 V / 6 0 H z
External static pressure
(in.WG)
0.062
0.317
0.739