Technical specifications
6720813171 (2015/04)62
Pump group
Operating conditions for time constants
Fuels and configurations
Hydraulic resistance of the boiler
Fig. 122 Boiler resistance curve
Pump group Unit GB162-50/65/80/100
General
Pump group components Casing, gas isolating valve, pressure relief valve, stop valves, check
valves, drain cock, pressure gauge, pump.
Pump type
UPER 25-80 pump group UPER 25-80
UPS 25-80 pump group UPS 25-80
Table 26 Pump group
Operating conditions and time constants Unit GB162-50/65/80/100
Maximum ambient temperature °C 40
Maximum flow temperature °C 90
Maximum working pressure (boiler) bar 4
Current rating 230 V AC, 50 Hz, 10 A, IP X4D
Table 27 Operating conditions and time constants
Fuels and configurations GB162-50/65/80/100
GB162-65/80/100 Natural gas H (G20) and LPG 3P (G31)
Version B
23
, C
13
, C
33
, C
43
, C
53
, C
63
, C
83
depending on room air and independent of room air
(Compliance with increased tightness requirements with operation independent of room air).
Gas category according to EN 437 GB/IE II
2H3P
20; 37 mbar
Table 28 Fuels and configurations
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