Rotex HPSU compact 308 Installation Instructions Manual page 9

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2
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18
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Fig. 2-2
FA ROTEX HPSU compact 308 - 02/2012
Solaris - flow (1" swivel nut)
Cold water supply (1" outer thread)
Hot water (1" outer thread)
Heating flow (1" outer thread)*
Heating return flow (1" outer thread)*
Circulation pump (storage tank circuit)
Safety-pressure relief valve (heating circuit)
Automatic vent
!
Assembly position for optional backup heater (R 11/2" IG)
Fill level indicator (tank water)
Heat insulation
Plate heat exchanger (PWT)
Connection refrigerant fluid line CuT, Ø 6.4 mm (1/4")
Connection refrigerant gas line CuT, Ø 15,9 mm (5/8")
Filling connection for refrigerant
Ball cock (heating circuit)
Connections and dimensions HPSU compact (top of unit)
35 Combined filling and draining valve (heating circuit)
37 Storage tank temperature sensor t
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 , V1
R1
Return line and flow sensor
t Return temperature sensor
R2
t , t
V1 V2
Flow temperature sensors
t , t
V, BH1 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
2 x Set-up and installation
and t
DHW1 DHW2
9