Green Heating Technology
53
TECHNICAL DATA
(cont'd)
U .M .
Time Solar 18 K
Time Solar 35 K
Gas type
G20
G20
G31
HEATING
Temperature selection range
(min÷max)
Main heating circuit, normal
range / low temp. range
°C
35÷78 / 20÷45
35÷78 / 20÷45
Temperature selection range
(min÷max)
Secondary heating circuit
°C
20÷78
20÷78
Characteristics of the heating system
water (or filling liquid)
(
*
= if aluminium
parts are present along the system)
°f
pH
5 ÷ 15 °f
pH 7.5 ÷ 9.5
(7.5 ÷ 8.5 *)
5 ÷ 15 °f
pH 7.5 ÷ 9.5 (7.5 ÷ 8.5 *)
Expansion vessel
l
12
12
Expansion vessel pre-loading pres-
sure
bar
1
1
System pressure for
automatic filling turning ON/OFF
bar
ON a 0.5 / OFF a 1.2
(±0.2)
To allow the correct system filling,
the pressure of the domestic water
should be higher than the OFF value.
Max working pressure
bar
3
3
Max system temperature
°C
85
85
Anti-freezing function temperature
on / off
°C
5 / 30
5 / 30
HOT WATER
Storage volume
l
200
200
Specific flow rate (EN625)
l/min
22
24
DHW expansion vessel
l
11
11
DHW expansion vessel
pre-loading pressure
bar
3
(see also "DHW storage tank filling" on page 24)
Max supply pressure
(storage safety valve threshold)
bar
8
8
Storage temperature selection range
(min÷max)
°C
30 ÷ 60
30 ÷ 60
ELECTRICAL DATA
Voltage / frequency
(nominal voltage)
V / Hz
220÷240 / 50
(230V
–15% ... +10%
)
220÷240 / 50
(230V
–15% ... +10%
)
Power consumption
W
105
118
Level of protection
IP X5D
IP X5D
(follows)
