Toshiba HWT-601XWHM3W-ETR Service Manual page 191

Air to water heat pump
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No.
Exchange parts name
11
Pump
Work procedure
To replace a water circuit part, first close the water
supply source valve and the valve of water pipe
connected to the hydro unit.
1. How to remove
1) Perform the step 1-1, step 5-1.
2) Remove the connector and wire of the Pump from
electrical parts assembly.
(CN200 on the PCB MCC-1753 and CN07 on the
PCB MCC-1755, one ground wire on E-BOX)
3) Remove the following parts around the pump.
• Pump cover (attached with double-sided tape)
• The pipe-cover above the pump (the cable-tie)
• The fixing-band (Ø4 × 8, 2 screws)
• The four quick fastener
4) Remove the water-pipe assembly containing the
pump from the product.
5) Remove the pump.
2. How to attach
1) Attach a new pump in the reverse order of the
removal.
After the pump replacement repair, open the water
supply source valve and water piping valve to pass
water through the hydro unit, and check that the
pump connection has no water leakage.
Water-pipe
assembly
190
Remarks
Quick
fasteners
fasteners
Fixing-band
Pump cover
Pipe cover
Pump
Quick

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