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3
T e c h n i c a l s p e c i f i c a t i o n s
3.1
General instructions
Designation/type
Nominal size
Nominal output, ΔT 20 K
Connections
Max. operating pressure
Max. operating temperature
Medium
Opening pressure for each gravity brake
Circulation pump
Electrical connections
3.2
Dimensions / required space
Dimensions and minimum space required for assembly and maintenance work
Art.-Nr. 966.20.27
Last updated 2022/02/28
On the heating cir-
cuit
On the boiler
optional without pump
optional Wilo Para 15/6 SC
- 5 -
®
tubra
-PGR-S
DN 20
Max. 40 kW
G 1 AG
G 1 AG
3 bar
95°C
Heating water according to VDI 2035
20 mbar
Grundfos UMP3 15-70 AUTO
230 V AC/ 50-60 Hz
GB
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