Installation manual
4
EKHWS150~300B3V3 + EKHWS200+300B3Z2
Domestic hot water tank for air to water heat pump system
4PW44499-1D
3
Unpack the 3-way valve body and 3-way valve motor.
Verify that following accessories are provided with the motor.
4
Install the 3-way valve body in the pipework.
• Make sure the shaft will be positioned in such a way that the
motor can be mounted and replaced.
• Put the sleeve on the valve and turn the valve to the middle
position of the scale plate.
Check that the valve is positioned as in the figure below. It
should be blocking the outlet connection to the domestic hot
water for 50% and the outlet connection to the room heating
also for 50%.
5
When installing in accordance with figure A or figure D, open the
valve motor cover by loosening the screw and change the
jumper so as to change the rotation direction of the valve.
By default the jumper is factory set to apply for installation in
accordance with figure B and figure C.
6
Push the motor on the motor sleeve.
Make sure not to rotate the sleeve during this action, so as to
maintain the valve position as set during step 4.
7
8
Put the scale on the valve as shown below.
9
Make sure to firmly fix the power supply cord onto the 3-way
valve body with a field supplied cable tie like in illustration below.
10
Perform the wiring in the indoor unit in accordance with the
following figure:
Refer also to the drawing on page 6.
11
Connect the water inlet and water outlet.
12
Connect the hot and cold water supply tubes.
13
Connect the pressure relief valve (field supply, opening pressure
maximum 10 bar) and drain.
1 Sleeve
2 Valve motor cover
3 Screw
4 Scale
Installation in accordance with
figure A and figure B
Installation in accordance with
figure C and figure D
If the valve is not positioned in this way before mounting
the motor, the valve will give way to both domestic water
and room heating during operation.
Installation in accordance with
figure A and figure D
Installation in accordance with
figure B and figure C
Rotation direction of the valve
1
2
3
4
L
N
Y
DIR
2P
Domestic hot
water tank Room heating Room heating
Domestic hot
water tank
Installation in accordance with
figure B and figure C
Installation in accordance with
figure A and figure D
8910
3-way valve
BRN
BLU
BLK
LNY
If a discharge pipe is connected to the pressure relief
device it must be installed in a continuously downward
direction and in a frost-free environment. It must be left
open to the atmosphere.
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