Toshiba MMD-AP0481HF2UL Service Manual page 89

<MMD-AP096 type>
(Standard air volume: 1237 cfm, Lower limit air volume: 866 cfm, Upper limit air volume: 1360 cfm)
1-2. 230V Fan characteristics
Min 866 (cfm) Standard 1237 (cfm) Max 1360 (cfm)
1.6
High static pressure tap
1.4
1.2
1
0.8 Low static pressure tap
0.6
0.4
0.2
0
800 1100
Air flow rate (cfm)
1-3. 230V cfm-A
4
3.8
3.6 High static pressure tap
3.4
3.2
3
2.8
2.6
Low static pressure tap
2.4
2.2
2
800 1100
Air flow rate (cfm)
REQUIREMENT
Set a volume damper to the air supply duct, and then adjust the air volume so that it is kept in the range of 70 to
110% against the standard air volume.
17-EN
2-2. 208V Fan characteristics
Min 866 (cfm) Standard 1237 (cfm) Max 1360 (cfm)
1.6
1.4
High static pressure tap
1.2
1
0.8
0.6 Low static pressure tap
0.4
0.2
0
1400
800 1100
Air flow rate (cfm)
2-3. 208V cfm-A
4
3.8
3.6 High static pressure tap
3.4
3.2
3
2.8
2.6
Low static pressure tap
2.4
2.2
2
1400
800 1100
Air flow rate (cfm)
– 9 –
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 F3
Orange (at shipment of factory)
1400
<MMD-AP072 type, AP096 type>
FM
Fan motor
F1 F2 F3
Orange (at shipment of factory)
1400
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)
F
at shipment from the factory.
2
Electrical control box
Control
P.C.
board
F4
4P terminal block
2P 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
F4 F1 F2 F3 F4
Lead wire for changing the external static pressure
Orange (at shipment of factory)
When changing the external static pressure is
necessary, change connection of this lead wire.
Fan motor wiring
Blue
Orange
Black
Fan motor wiring
Blue
Orange
Black
Electrical control box
Control
P.C.
board
2P terminal block 4P terminal block
Remarks
—
At shipment from factory
—
Remarks
Not used.
At shipment from factory
—
18-EN