STIEBEL ELTRON 22 11 39, Operating And Installation

Page: 6 / 16

6
WPKI HKV Part no: 22 11 42
The distributor, with 2 connection pairs respectively to the top and
bottom, is designed for the connection of two heating circuits in
conjunction with the heating compact installations WPKI HK and
WPKI HKM.
Specific features of the WPKI HKM
Three-way mixer
A bypass can be used to reduce the flow temperature by mixing in return
water. The bypass can be infinitely adjusted with the adjusting screw
1
. For that, undo locking screw
2
approx. 1 mm. Tighten the locking
screw again after completing the adjustment. The mixer is regulated via
the servomotor. In the delivered condition, both mixer and bypass are
closed, and the locking screw is tight.
1
2
C26_03_01_0593
Servomotor
The angle of rotation is electrically
limited to 90°. Upon reaching its
end stops, the drive will be
switched off and switched to
zero volt. The servomotor can
be switched to manual control via the rotary selector on the casing.
Servomotor specification
Rated voltage 230 V 50/60 Hz
Connection cable 3 x 1.5 mm², 2 m long
Rotational direction optional acc. to wiring
Position indicator reversible scale plate
Runtime 140 s
Protection class II (double insulated, without earth
conductor)
Protection IP 40
Ambient temperature 0 °C to 50 °C
Test symbol CE
26_03_01_0601
Description
The heating compact installations WPKI HK and WPKI HKM are
specifically designed for buffer cylinders SBP 200 E, SBP 400 E and SBP
700 E. In conjunction with the pipe set WPKI RB, they offer heating
contractors a clear and easy means of connecting the heating system to
the SBP...E buffer cylinder.
The return ball valve contains a gravity brake to prevent unintentional
natural circulation. The gravity brake can be opened manually by turning
the handle approx. 45° to its end stop.
The heating compact installation WPKI HK is designed to operate in an
unmixed heating circuit.
The heating compact installation WPKI HKM is designed to operate in a
heating circuit with a three-way tee mixer with servomotor.
Specification
Type WPKI HK WPKI HKM
Part no. 22 11 39 22 11 40
Dimensions HxWxD 420x250x246 mm
Internal diameter DN 32
Top connection G 1 ¼” female
Lower connection G 1 ½” male
Centres 125 mm
Temperature in use up to 110 °C
Operating pressure 0.6 MPa (6 bar)
kVs value 11 6.4
Standard delivery
The
WPKI HK
and the
WPKI HKM
are factory-sealed and comprise:
– circulation pump DN 32, height 180 with 2 m connecting cable
– three-way ball valve with manual gravity brake in the return,
complete with handle
– three-way ball valve in the flow, complete with handle
– two thermometers, ø 63 mm, display range 0-120 °C
(red or blue facia ring for identifying the flow and return)
– pump ball valve with flange and 1 ½ “ male (only WPKI HK)
– three-way mixer with variable bypass (only WPKI HKM)
– stabiliser between the flow and return line
– return pipe
– EPP insulation
– 2 fixing screws with washers and rawl plugs (in the separate pack)
Special accessories
SPB 200 E Part no: 18 54 58
SPB 400 E Part no: 22 08 24
SPB 700 E Part no: 18 54 59
WPKI 5 (for heat pumps without central heating circulation pump)
Part no: 22 08 30
WPKI 6 (for heat pumps with central heating circulation pump)
Part no: 22 08 31
The heat pump compact installation is required when fitting the pipe set
WPKI RB to the buffer cylinder SBP....E.
WPHW 25 Part no: 22 11 35
WPHW 32 Part no: 22 11 36
The low loss header is designed to separate the volume flow between
the heat source and the consumer.
Recommended for the operation of 2 heating circuits without buffer
cylinder.
WPKI RB Part no: 22 11 41
The pipe set is designed for fitting to the buffer cylinder SBP....E and
either the heating compact installations WPKI HK or WPKI HKM.
The installation (water and electrical work) and commissioning, as well
as the maintenance of these compact installations, must only be carried
out by a qualified contractor in accordance with these instructions.
Subject to the relevant system, observe the operating and installation
instructions of the components of which the system comprises.
Keep these operating instructions safely and pass them on to any new
user, should the equipment change hands. Let your contractor check
their content in conjunction with any maintenance or repair work.
26_03_01_0602
Connection diagram
Night Automatic