43
GB 05/2009
AW HT
SYSTEM DIAGRAM WITH DIRECT HEATING, DOMESTIC HOT WATER PRODUCTION AND ELECTRIC HEATER
F
F
B9
5
4
6
3
4
3
4
11
14
13
10
F
1
T
7
B3
K6
Q3
M
15
Heat pump connected directly to the heating circuit with domestic hot water produc-
tion Q3 and auxiliary heating element DHW K6.
The storage tank 14 is required to ensure the minimum water content required for
correct heat pump operation. Check the minimum content required in the chap.
“Water circuit data”.
Key
1
Heat pump AW HT
3 Control
valve
4
Shut off valve
5 Expansion
vessel
6 Air
separator
10 Flow
switch
11 Safety
valve
13 Room
unit
14 Storage
tank
15 Electrical panel for DHW 3-way valve
Q3 3-way valve for domestic hot water production
B3 DHW storage temperature sensor
B9 Outside air temperature sensor
K6 DHW storage electric heater
Example water circuit diagram
Parameter
number
Description
IDirect heating system, with DHW storage and additional electric heater.
Sensors and utilities to be connected:
B9 outside air temperature sensor
B3 DHW storage temperature sensor
Q3 3-way valve for domestic hot water production
15 electrical panel for DHW 3-way valve
13 Room unit
K6 DHW auxiliary heater on terminals 6-7
Parameter settings:
5896 = electric heater DHW K6
for further information see paragraph “Additional electric heater for DHW storage cylinder”
Default setting
5896 = electric heater
DHW K6
5896