Toshiba MMC-AP0151H, Руководство по обслуживанию

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4. IPDU P.C. board for fan
1. Noise filter
P.C. boards
2. Interface P.C. board
(Control P.C. board)
3. IPDU P.C. board
(For driving of compressor 1)
3. PDU P.C. board
(For driving of compressor 2)
2) Screw
2) Screw
No.
5
Part to be
exchanged
Inverter assembly
M
Removal of P.C.
board and
electric parts
1. Noise filter P.C.
board
2. Interface P.C.
board
Work procedure
REQUIREMENT
Put on gloves during working; otherwise
an injury may be caused by parts, etc.
1) Stop operation, and then turn off switch
of the breaker.
2) Take off cables, and then remove the
P.C. board from the card edge spacer at
the corner.
<Exchange of service P.C. board>
For the interface P.C. board, it is necessary
to set up jumper line, etc for each model.
Refer to “Exchange procedure of interface
P.C. board”.
Remarks
3. IPDU P.C.
board
4. IPDU P.C.
board for fan
1) Stop operation, and then turn off switch
of the breaker.
2) Take off the heat sink (Radiator plate)
fixing screws.
∗
(M4 × 16, 2 pcs.)
3) Take off cables.
4) Remove P.C. board from the card edge
spacer at the corners.
∗
Heat sink fixing screw, compressor
lead cables (U, V, W), etc, M4 screw
tightening torque (1.47±0.1N•m)
<Exchange of service P.C. board>
For the IPDU P.C. board, it is necessary to
set up jumper line, etc for each model.
Refer to “Exchange procedure of IPDU P.C.
board”.
1) Stop operation, and then turn off switch
of the breaker.
2) Take off cables.
3) Take off the heat sink (Radiator plate)
fixing screws.
*
(M3 × 14, 4 pcs.)
∗
Tightening torque of screw for heat
sink fixing board (0.55±0.1N•m)