Rotex HPSU compact (V5) - 3 Product Description; Design and Components; Top of Unit

3 x Product description
FA ROTEX HPSU compact (V5) • 
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3 Product description
3.1 Design and components
3.1.1 Top of unit
1 Solar - flow (1" IG)
2 Cold water flow (1" AG)
3 Hot water flow (1" AG)
4 Heating flow (1" AG)*
5 Heating return (1" AG)*
6 Circulation pump
7 Safety-pressure relief valve (
heating circuit)
8 Automatic vent
17 Fill level indicator (tank water)
18 Connection for electrical Backup Heater
BUxx (R 1½" IG)
(Accessory)
30 Plate heat exchanger (PWT)
31 Connection refrigerant fluid line
ROTEX HPSU compact 30x/508: Cu Ø 6.4 mm (1/4"),
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ROTEX HPSU compact 516: Cu Ø 9.5 mm (3/8")
32 Connection to coolant gas line
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Cu Ø 15,9 mm (5/8")
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
39 Controller housing with elect. terminal str
ip
3UVB1
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3-way diverter valve (internal heat generator circuit)
3UV DHW
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3-way diverter valve (hot water / heating)
DS Pressure sensor
FLS (t
R1
/ V1)
Return flow temperature and flow sensor
t
R2
Return flow temperature sensor
t
V1
, t
V2
Inflow temperature sensor
t
V, BH
Flow temperature sensor Backup Heater
Safety devices
Observe tightening torque!
AG Male thread
IG Female thread
* Ball cock (1" IG) is supplied with the equipment
Fig. 3-1 Structure and constituents ROTEX HPSU compact DB
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(top side of device)