Installation manual
11
RKHBRD011~Y1
Indoor unit for air to water heat pump system
4PW61218-1C – 2012.06
■
Perform the piping work as described in the chapter "Piping
connection work" on page 12.
■
Fill the system with water as described in the chapter "Charging
water" on page 14.
■
Perform the electrical wiring work as described in the chapter
"Electrical wiring work" on page 15.
■
To make the casing completely sealed, plug the knock-out holes
with putty or insulation materials (to be prepared on-site).
■
Perform the pre-operation checks as described in the chapter
"Start-up and configuration" on page 19.
■
Close the unit
1
Fix the top panel on the unit with the appropriate screws.
2
Fix the front and remaining side decoration panel(s) back to
the unit using the appropriate screws.
3
Stick the top plate insulation (accessory) at the inside of the
top decoration panel according to the figure below.
4
Fix the top decoration panel on
top of the unit using the
appropriate screws. In case a
domestic hot water tank
(optional) is installed, refer to
the domestic hot water tank
installation manual.
It is very important to keep good visibility of the
manometer. The position of the manometer can be
changed as shown in the figure below. Make sure that
the capillary tube does not come in contact with sharp
edges and prevent bending of the capillary tube as
much as possible.
■
Change the position of the manometer when
piping is on the left side of the unit
■
Mounting of the manometer against a wall (the 2
screws are field supply).
2
5
1
3
3
4
5
6
2
3
1
1x
2x
4x
2x
5 mm
3
4
1
2
2x
