12
3.4. Pellet
burner
Key:
1 Photocell
5 Power outlet for boiler panel connection
2 Secondary air adjustment
6 Door for primary air adjustment
3 Ignition heater
7 Flame inspection opening cover
4 Stainless steel perforated grid plate
8 Pellet inlet
3.5. Boiler
heat
exchanger and furnace
Key:
1
Screw
9
Ash dump
2
Fuel supply
10 Smokebox
3
Flame inspection opening
11 Fan
4
Secondary air
12 Furnace with dry heat exchanger
5
Ignition heater
13 Flue gas outlet
6
Electric heater housing
14 Dry heat exchanger
7
Primary air
15 Safety heat exchanger
8
Burner draught tube
WARNING:
The cover on inspection
opening 7 must be kept
closed during ignition
and shut-down.
Содержание GRA115RO
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