Mitsubishi Electric e Series Service Handbook page 151

[ IX Troubleshooting ]
Water-to-Refrigerant Heat Exchanger Replacement Instructions (Refrigerant pipe side)
Required tools
▪ Screwdriver (for M5 screws)
▪ Nippers (for cutting the tie band)
▪ 17-mm spanners (for M10 nuts)
▪ 19-mm spanners (for M12 bolts and nuts)
▪ Metal saw
▪ Welding tool set
* Notes on tie band (cable tie with a locking device)
If you accidentally cut the cable tie on tie band during
replacement, cut off the tie all the way to the locking device,
and insert a regular cable tie (5 mm max.) through the locking
device.
Water-to-refrigerant heat exchanger
< Service side >
< Left side >
Check joint
(in order from top
to bottom)
· HP 2B
· HP 2A
· HP 1B
· HP 1A
· LP 2B
· LP 2A
· LP 1B
· LP 1A
HWE20010
Cut here.
< Right side >
Water-to-refrigerant
heat exchanger
Water-to-refrigerant
heat exchanger
2-system side
- 142 -
< Opposite side of the service side >
< Right side >
Water-to-refrigerant
heat exchanger
1-system side
GB