Supplied By www.heating spares.co Tel. 0161 620 6677
1. Technical characteristics and dimensions
Cold water
Gas
220
246
Fig. 3
2
TECHNICAL CHARACTERISTICS
Rated heat input .................................................................................................................................... =10.0 kW (34120 Btu/h)
Rated power output ................................................................................................................................. =8.5 kW (29002 Btu/h)
Flow rate of water heated from 15 to 40 °C ........................................................................................... =
5 I/min
Flow rate of water heated from 15 to 65 °C ........................................................................................... =
2.5 I/min
Minimum water pressure to operate the “normal pressure” valve: ......................................................... = 0.2 bar (3 lb/in
2
)
Minimum water pressure to operate the “low pressure” valve: ............................................................... = 0.1 bar (1.5 lb/in
2
)
Maximum “normal pressure” water pressure (with governor) :................................................................ = 10 bar (145 lb/in
2
)
Maximum “low pressure” water pressure (without governor) : ................................................................ =2.5 bar (36,25 lb/in
2
)
Fresh air flow rate :.................................................................................................................................. =
21.5 m
3
/h
Gas flow rates (15°C - 1013 mbar) Inlet Pressure
Gas rate
G 20 (Natural gas)..............................................................20 mbar (8in wg).......................................... =
1.06 m
3
/h
Injector identification
...............................................................................................................................
Burner
Pilot
G 20 gas (with disc marked DIA 2.70) ...................................................................................................... INJ 123
26-40
• 1 bar = 1,02 kg/cm
2
(the pressure must be measured at the appliance inlet, while the appliance is working).
409
102
101
Hot water
20
60
20
103
Hot water