Installation manual
3
R260A
Domestic hot water tank for air to water heat pump system
4PW56004-1
I
NSTALLATION
OF
THE
RKHTS
DOMESTIC
HOT
WATER
TANK
If required by relevant local and national regulations, connect a
recirculation pump in between the hot water end point and the
recirculation connection of the domestic hot water tank.
Installation guidelines
Keep in mind the following guidelines when installing the domestic
hot water tank:
■
The installation location is frost-free.
■
Standard installation location of the domestic hot water tank is
on top of the indoor unit.
■
The domestic hot water tank can be floor mounted as well. In
that case, the dedicated EKFMAHTA connection kit for
installation of the domestic hot water tank next to the indoor unit
is required and to be ordered separately.
■
Locate the domestic hot water tank in a suitable position to
facilitate ease of maintenance. Refer to figure 3 and to the
installation manual of the RKHBRD indoor unit.
■
Provide a connection for the pressure relief valve and drain on
the cold water inlet.
■
To avoid back siphonage it is advised to install a non-return
valve on the cold water inlet of the domestic hot water tank in
accordance with local and national regulations.
■
Take care that in the event of a leak, water can not cause any
damage to the installation space and surroundings.
■
It is advised to install a pressure reducing valve on the cold
water inlet in accordance with local and national regulations.
■
An expansion vessel should be installed on the cold water inlet
in accordance with local and national regulations.
Installing and commissioning the domestic hot water
tank
Installing the hot water tank on top of the indoor unit
1
Unpack the domestic hot water tank according to the
instructions mentioned on the unpacking instruction sheet.
2
Check if all domestic hot water tank accessories are enclosed
(see "Accessories" on page 1).
3
Remove front decoration panel and top plate of the indoor unit.
To take away the front decoration panel, remove the 2 bottom
screws and then unhitch the panel.
Mount the top plate of the indoor unit on the domestic hot water
tank module.
4
Connect the 3-way valve
1 Remove drain plate on top of the
indoor unit before installing the
3-way valve.
2 Installation position.
The 3-way valve must be installed in the indoor unit.
■
Installation shall be done by a licensed technician, the
choice of materials and installation shall comply with
local and national regulations.
■
The equipment is not intended for use in a potentially
explosive atmosphere.
■
Domestic hot water quality must be according to EU
directive 98/83 EC.
■
A drain device should be installed on the cold water
connection on the domestic hot water tank.
■
For safety reasons, it is not allowed to add any kind of
glycol to the water circuit.
■
To avoid stagnation of water, it is important that the
storage capacity of the domestic hot water tank meets
the daily consumption of domestic hot water.
In cases where during longer periods of time there is
no consumption of hot water, the equipment must be
flushed with fresh water before usage.
The disinfection function provided on the equipment is
specified in the operation manual of the indoor unit.
■
It is advised to avoid long runs of piping between the
domestic hot water tank and the hot water end point
(shower, bath, ...) and to avoid dead ends.
■
The installation must be in compliance with local and
national regulations and may require additional
hygienic installation measures.
■
In accordance with local and national regulations it
may be necessary to install thermostatic mixing
valves.
■
Immediately after installation, the domestic hot water
tank must be flushed with fresh water. This procedure
must be repeated at least once a day the first
5 consecutive days after installation.
If available service space to left and/or right side is
limited, carefully consider all indoor module
installation steps first.
3
4
1
2
1
Recirculation connection
2
Hot water connection
3
Shower
4
Recirculation pump
1
2
3
2x
1
1
1
2x
2x
2x
2x
4x
1
3
2
1
From indoor unit
2
To domestic hot water tank
3
To room heating
4PW56004-1 Page 3 Thursday, July 9, 2009 11:02 AM
