Hitachi RHUE-3AVHN, Руководство по обслуживанию

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Water pipe
installation
Service Manual
44
Accessories hydraulic installation
SMGB0066 rev.0 - 12/2009
Ref Name

Main inlet water

DHWT inlet connection

Security valve and manual empty

Emptying connection

Check valve
 Close valve
2.5.4. Water drain discharge connection
drain discharging boss •
When the base of the Yutaki is temporarily used as a drain receiver, the drain boss should be connected to the drain pipe.
See the below figure for further details.
Rubber cap
Drain pipe
Drain pipe
Extruded portion
Drain Boss
Drain hole of Base
Model Applicable Model
DBS-26 RHUE(3-6)A(V)HN
Connection procedure •
Insert the rubber cap into the drain boss up to the extruded portions. 1.
Insert the boss into the unit base and turn approximately 40 degree counterclockwise. 2.
The outer diameter section of the drain boss is 32 mm. 3.
A drain pipe should be field-supplied. 4.

note
Do not use this drain boss set in a cold area, since the drain water may freeze. -
This drain boss may not be sufficient to collect drain water. In such a case, a bigger drain pan should be -
fieldsupplied and installed under the unit.