9
4-way valve
- detachment/
attachment
(continued)
MAP140
6
MAP160
6
WARNING
Wear a pair of gloves.
Otherwise, you will risk an injury involving a
replacement part or some other object.
Before starting the work, be sure to recover the
refrigerant of outdoor unit by removing it with a
refrigerant recovery device.
1. Detachment
1) Remove the lower cabinet (front side).
2) Remove the inverter box in accordance with the
dismantling instructions.
3) Disconnect the 4-way valve coil and PMV
1, PMV3
coils (2
pieces) and get all wiring located near
the
4-way
valve out of the way.
4) Remove brazed points (3 locations) for the PMV
assembly, which is placed in front of the 4-way
valve.
* Provide adequate cover for the PMV proper to
protect it from overheating.
5) Since it is difficult to simultaneously remove the
brazed points for the pipes located above the 4-
way valve (3
locations
), cut through them just
below
the brazed points using a saw, etc.
6) Detach the pipe located below the 4-way valve.
7) Remove the end sections of the pipes above the
4-way valve, which were cut in step 5).
8) Install a new 4-way valve.
* Provide adequate cover for the 4-way valve to
protect it from overheating. During the installation,
insert pipes firmly into the 4-way valve, or a
blockage or leakage involving brazing filler metal
may result.
9) Reinstall the PMV assembly, which was removed
in step 4).
* Provide adequate cover for the PMV to protect it
from overheating.
10) Reinstall all the coils removed in step 3), and put
the wiring back to its initial state.
11) Reinstall the inverter box in accordance with the
installation instructions.
12) Reinstall the lower cabinet.
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7) End sections of pipes (3
locations
)
5) Cutting line
Brazed point
4-way valve
Brazed point
Brazed point
PMV
1
PMV
3
For HT8(J)P, HT7(J)P, HT8(J)P-ME, HT7P-ME,
T8(J)P-E, HT8P-A model
−
2
81
−
For
HT8(J)P-E, HT8(J)P-TR model
AMP Air Conditioning
www.ampair.co.uk | [email protected]
Содержание MAP1406HT8(J)P
Страница 304: ...For HT8 J P E HT8 J P TR model 303 AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 305: ...For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model 304 AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 311: ... 310 For HT8 J P E HT8 J P TR model AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 312: ... 311 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 318: ... 317 For HT8 J P E HT8 J P TR model AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 319: ... 318 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model AMP Air Conditioning www ampair co uk sales ampair co uk ...
Страница 345: ...AMP Air Conditioning www ampair co uk sales ampair co uk ...
