Mitsubishi Electric EHPT17X-VM2E Service Manual page 92

DISASSEMBLY PROCEDURE
19. How to remove the scale trap (sanitary circuit)
(1) Remove the front panel. (Refer to Procedure 1.)
(2) Disconnect the CNP4 connector and the earth cable in
the control box. (Photo 4-2)
(3) Release the water pump lead wire from the cable clamp
and the cable strap in the control box, the cable strap,
the fastener and the band below the control box.
(Photos 4-1 and 8-2)
(4) Remove the P-HEX (Water-Water). (Refer to Procedure
17.)
(5) Remove the water pump. (Refer to Procedure 18.)
(6) Rotate pipe (W.P. - Tank) side up.
(7) Remove the scale trap. (Photo 19)
• When reinstalling the G1" nut, use a new G1" gasket.
Photo 19
Pipe
(tank-W.C.)
P-HEX
(Water-Water)
OCH814A
Nuts (G3/4")
92
PHOTOS/FIGURES
Pipe (W.P.-Tank)
Water pump
Nut (G1")
Gasket (G1")
Nuts (G3/4")
Scale trap
Screw
(right side)