1
Solaris - flow (1" swivel nut)
2
Cold water supply (1" outer thread)
3
Hot water (1" outer thread)
4
Heating flow (1" outer thread)*
5
Heating return flow (1" outer thread)*
6
Circulation pump (storage tank circuit)
7
Safety-pressure relief valve (heating circuit)
!
8
Automatic vent
!
18
Assembly position for optional backup heater (R 11/2“ IG)
20
Fill level indicator (tank water)
29
Heat insulation
30
Plate heat exchanger (PWT)
31
Connection refrigerant fluid line CuT, Ø 6.4 mm (1/4")
32
Connection refrigerant gas line CuT, Ø 15,9 mm (5/8")
33
Filling connection for refrigerant
34
Ball cock (heating circuit)
35
Combined filling and draining valve (heating circuit)
37
Storage tank temperature sensor t
DHW1
and t
DHW2
38
Connection diaphragm expansion vessel (MAG)
3UV1 3-Way switch valve (hot water/heating)
3UVB 3-Way switch valve (temperature limiter)
HPR Control housing with electr. terminal strip
t
R1
, V1
Return line and flow sensor
t
R2
Return temperature sensor
t
V1
, t
V2
Flow temperature sensors
t
V, BH1
, t
V, BH2
Flow temperature sensors, backup-heater
!
Safety devices
Pay attention to the tightening torque
(see chapter 6.3 "Tightening torque")
*
Ball cock (1" internal thread) is included in the delivery
Fig. 2-2
Connections and dimensions HPSU compact (top of unit)
2
x
Set-up and installation
9
FA ROTEX HPSU compact 308 - 02/2012
