Mitsubishi EHST20C-VM2C - 15. How to remove the drain cock (primary circuit); 16. How to remove the drain cock (sanitary circuit)

DISASSEMBLY PROCEDURE
PHOTOS
94
Photo 15-1
15. How to remove the drain cock (primary circuit)
(1) Remove the front panel (Refer to Procedure 1).
<Pump valve side>
(2)Removethedraincockfromthepumpvalvebyturning
the drain cock. (Photo 15-1)
<Pipe side (for P-HEX)>
(2)Removethedraincockfromthepipebyturningthedrain
cock. (Photo 15-1)
<Pipe side (EHPT20X models only)>
(2)Removethedraincockfromthepipebyturningthedrain
cock. (Photo 15-2)
16. How to remove the drain cock (sanitary circuit)
(1) Remove the front panel (Refer to Procedure 1).
<DHW tank side>
(2)Removethedraincockbydetachingthequickconnection.
(Photo 16-1)
• Whenreinstallingthequickconnection,useanew
O-ring.
•RefertoProcedure23forhowtoattachanddetach
the quick connection.
<P-HEX (Water-Water) side>
(2) Remove the drain cock from the P-HEX (Water-Water) by
turningthedraincock.(Photo16-2)
Drain cock (DHW tank side)
Photo 16-1
Quick
connection
O-ring
Drain cock for P-HEX
(Pipe side)
Drain cock
(Pump valve side)
Photo 15-2
Drain cock
(Pipe side)
Photo 16-2
Drain cock
(P-HEX side)
P-HEX
OCH570C