Strainer valve
Water coil cover
Nut (G1")
Pipe (PUMP-B.H.)
Gasket (G1")
Pump valve
Plate heat exchanger
(inside)
Quick connection O-ring
Pipe (W.C.-PUMP)
Screw
Saddle band
(upper the pump)
Screw
Quick connection
O-ring
Water pump
Rubber tube
Coated clamp
Screws
Quick connection
O-ring
Expansion vessel
67
DISASSEMBLY PROCEDURE
PHOTOS/ FIGURES
8. How to remove the plate heat exchanger
(Steps (1) through (9) are applied to the following E*SC/D series.)
(1) Pump down the refrigerant circuit and close the stop valve on the
outdoor unit. (Refer to "12. Supplementary information".)
(2) Remove the front panel. (Refer to Procedure 1.)
(3) Swing the control box to the front. (Refer to Procedure 4.)
(4) Release the lead wires from the coated clamp. (Photo 8-1)
(5) Close the strainer valve (OFF). (Photos 8-1, 8-5 and 8-7)
• When the strainer valve handle is stiff, turn the handle 90 degrees
clockwise mainly by using a spanner.
• When opening or closing the strainer valve, ensure to do so fully, not
halfway.
(6) Remove the water pump and the pump valve. (Refer to Procedure 5.)
(7) Remove the expansion vessel. (Refer to Procedure 12.)
(8) Remove the saddle band (upper the pump) and the rubber tube by
removing the 2 screws on the saddle band. (Photo 8-1)
(9) Remove the pipe (W.C.-PUMP) by detaching the quick connection.
(Photos 8-1 and 8-5)
• When reinstalling the quick connection, use a new O-ring.
• Refer to Procedure 16 for how to attach and detach the quick
connection.
(10) Remove the flare nuts on the gas and liquid pipes under the
hydrobox using 2 spanners: one to hold each flare joint and the
other to turn each flare nut.
Photo 8-1 (E*SC series)
OCH712C
Summary of Contents for ecodan EHPX-VM2D
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