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5. Test run
SYSTEM DESIGN
4 - 44
System
5-3. Instructions for the water pump replacement
Top panel
Control box
Maintenance panel
Outlet side
Inlet side
Remove the clip.
Nipple (and O-ring) on the connection
Remove foreign objects with a waste cloth, if any.
O-ring
1.After turning off the power to the HBC controller, replace the water pump. To stop the water flow from the indoor
unit, perform the following DIPSW operations.
When replacing the water pump near the water supply port, set DIPSW4-6 to ON (DIPSW4-7 to OFF).
When replacing the other water pump, set DIPSW4-6 and DIPSW4-7 to ON.
2.Open the top panel and maintenance panel of the water pump to be replaced.
When inserting the water pump, lubricate the O-ring with soapy water.
3.Remove the clips on the inlet/outlet of the water pump.
4.Remove the water pump by pulling out the inlet/outlet of the water pump.
5.After removing the water pump, check the O-ring on the sleeve for damage. If O-ring is damaged, replace the
O-ring with a new one.
6.Insert the water pump again so that debris is not trapped in the O-ring, and install the clip.
7.After closing the panels, turn on the power to the HBC controller, and perform the air vent operation.
Summary of Contents for PURY-WP-YJM-A
Page 3: ...Databook ...
Page 5: ...1 2 INDOOR UNITS ...
Page 39: ...1 36 INDOOR UNITS ...
Page 51: ...1 48 INDOOR UNITS ...
Page 61: ...1 58 INDOOR UNITS ...
Page 68: ...2 1 HYBRID CITY MULTI OUTDOOR UNITS 2 OUTDOOR UNITS HYBRID CITY MULTI 2 3 ...
Page 69: ...2 2 OUTDOOR UNITS ...
Page 85: ...2 18 OUTDOOR UNITS ...
Page 172: ...4 1 HYBRID CITY MULTI SYSTEM DESIGN 4 SYSTEM DESIGN SYSTEM DESIGN 4 3 ...
Page 173: ...4 2 SYSTEM DESIGN ...