2
x
Product description
9
BA ROTEX HPSU compact 2 - 04/2011
2.2.2 HPSU compact
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 circuit)
7
Safety overflow valve (heating circuit)
8
Automatic vent
16
Optional booster heater (R 11/2" internal thread)
18
Optional backup heater (R 11/2" internal thread)
20
Fill level indicator (storage tank water)
29
Noise insulation
30
Underfloor heating heat exchanger (PWT)
31
Connection refrigerant liquid line
HPSU compact 508: CuT, Ø 6.4 mm (1/4"),
HPSU compact 516: CuT, Ø 9.5 mm (3/8")
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 temperature sensor t
DHW1
and t
DHW2
38
Connection diaphragm expansion vessel (MAG)
3UV1 3-way diverter valve hot water/heating
3UVB 3-way switch valve (temperature limiter)
HPR Control housing with elec. 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
*
Ball cock (1" internal thread) is included in the delivery
Fig. 2-2
Connections and dimensions HPSU compact (top of unit)
8
7
4(34)
5(34)
2
3
6
1
38
32
33
31
37
HPR
30
29
18
20
16
3UVB
3UV1
t
V1
t
V2
t
R2
t / V1
R1
t
V,BH1
t
V,BH2
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