Toshiba MMD-AP0481HF2UL Service Manual page 21

Wire connection change of fan motor
The motor wires for the fan have been connected to
Change the wire connection if change of the external static pressure is required due to the duct resistance.
<MMD-AP048 type>
FM
Fan motor
F1 F2
Orange (at shipment of factory)
<MMD-AP072 type, AP096 type>
FM
Fan motor
F1 F2
Orange (at shipment of factory)
REQUIREMENT
When the external static pressure was changed, enter the changed static pressure value in the identification
plate of the unit.
<MMD-AP048, AP072 type>
Terminal block No.
F1 (Low static pressure tap)
F2 (Middle static pressure tap)
F3 (High static pressure tap)
<MMD-AP096 type>
Terminal block No.
F1 (-)
F2 (Low static pressure tap)
F3 (High static pressure tap)
Control
board
F3 F4
4P terminal block
Lead wire for changing the external static pressure
When changing the external static pressure is
necessary, change connection of this lead wire.
FM
Fan motor
F3 F4
Orange (at shipment of factory)
Fan motor wiring
Fan motor wiring
at shipment from the factory.
F
2
Electrical control box
P.C.
2P terminal block
F1 F2 F3 F4
Lead wire for changing the external static pressure
When changing the external static pressure is
necessary, change connection of this lead wire.
Blue
Orange
Black
Blue
Orange
Black
– 21 –
Electrical control box
Control
2P terminal block 4P terminal block
Remarks
—
At shipment from factory
—
Remarks
Not used.
At shipment from factory
—
P.C.
board