Green Heating Technology
46
TECHNICAL DATA
(cont'd)
U.M.
City Max 26 K
City Max 32 K
Gas type
G20
G31
G20
G31
Expansion vessel
l
10
Expansion vessel pre-loading pressure
bar
1
Loss of water pressure switch
off / on pressure
bar
0.5 / 0.9
(±0.2)
0.5 / 0.9
(±0.2)
To allow the correct system filling, the pressure of the domestic
water should be higher than the ON value of the pressure switch.
Max working pressure
bar
3
Max system temperature
°C
83
Anti-freezing function temperature
on / off
°C
5 / 30
HOT WATER
Storage volume
l
60
Specific flow rate (EN625)
l/min
16
17
DHW expansion vessel
l
2
DHW expansion vessel
pre-loading pressure
bar
3.5
(see also "DHW storage tank filling" on page 19)
Max supply pressure
(storage safety valve threshold)
bar
8
Storage temperature selection range
(min÷max)
°C
30÷60
ELECTRICAL DATA
Voltage / frequency
(nominal voltage)
V / Hz
220÷240 / 50
(230V)
Power consumption
W
165
170
Level of protection
IP X4D
DIMENSIONS
Width - Height - Depth
mm
see "Dimensions and connections" on page 14
Weight
kg
59.5
60.0
CONNECTIONS
Hydraulic and gas connections
see "Dimensions and connections" on page 14
Flue: types, lengths and diameters
see "Flue systems" on page 21
Fan head loss
Pa
40 ÷ 150
40 ÷ 150
GAS SUPPLY PRESSURE
Nominal pressure
mbar
20
37
20
37
Inlet pressure (min÷max)
mbar
17 ÷ 25
35÷40
17 ÷ 25
35÷40
Gas valve diaphragm diameter
mm
5.5
4.0
6.4
4.6
Colour of the calibrated plug
for sealed chamber compensation
Grey
"Silver"
Yellow
"Brass"
Grey
"Silver"
Yellow
"Brass"
(follows)
