6.1
EFFECTIVE DIMENSIONS
The units are delivered fully assembled, tested and packed on a
timber base with shockproof edges and protected by heat-shrunk
plastic film. On reception and after unpacking, check the equipment for
damage. For transport purposes, refer to the weights and dimensions
given below.
6.2
MAXIMUM OPERATING CONDITIONS
Maximum service pressure
(tank full of water)
- Primary circuit: 3 bar
- Secondary circuit: 10 bar
Test pressure
(tank full of water)
- Primary circuit: 4.5 bar
- Secondary circuit: 13 bar
Operating temperature
- Maximum temperature: 90° C
6
TECHNICAL SPECIFICATION
200
570
C
D
E
542
160
118
158
B
A
Fig. 17: Effective dimensions
6.3
DOMESTIC HOT WATER PERFORMANCE
6.4
BOILER PERFORMANCES
10
Dimensions
G20
G25
G30/P30
A
1697
1697
1697
B
1460
1460
1460
C
154
154
154
D
360
390
390
Kg
712
712
712
Domestic hot water performances
G20
G25
G30
P30
Operating at 80° c
Peak delivery at 40° C
(
6
T = 30° C)
litres/10
’
266
339
339
339
Peak delivery at 40° C
(
6
T = 30° C)
litres/60
’
820
1025
1151
1161
Continuous delivery 40° C
(
6
T = 30° C)
litres/h
665
823
975
986
Operating at 80° c
Initial heating time
minutes
40
29
24
24
After draw-off of 140 l à 45° C
minutes
16
12
10
10
Specific delivery
litres/minutes
11
14
14,5
14,5
Results obtained without a thermostatic mixing valve and with water supply at 10° C
G20
G25
G30
P30
Input
kW
26,1
33,1
39,0
40,0
Output
kW
23,2
28,7
34
34,4
Combustion efficiency
%
89
89
89
89,5
Maintenance loss at 60° C as % of rated value
%
1,3
1
0,8
0,87
Mass rate of combustion products
g/sec.
20
25
30
30
Average CO
2
%
9
9
9
10
Total capacity
litres
178,5
167,5
167,5
167,5
Primary circuit capacity
litres
114,5
87,5
87,5
87,5
Heating connection
Ø
1”
1”
1”
1”
Hot water connection
Ø
3/4”
3/4”
3/4”
3/4”
Hot water tank heat exchange surface
m
2
1,59
2,46
2,46
2,46
Weight empty
Kg
154
186
186
186
Chimney connection
B11 BS
B11 BS
B11 BS
B11 BS
