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OPERATING SEQUENCE
This system is basically an add on to an existing manual fire. The fan proving unit operates in such a way that
when the fan is running and all the safety features are checked OK, then it opens a solenoid up stream of the
gas valve to allow gas to the manually operated gas valve.
Sequence: Initially with the unit in it's off state, the gas valve relay contacts are open circuit and the fan is off.
To activate the unit, the user depresses the ON switch, at this point the APS is checked. If this indicates that fan
pressure is already present, no further action will occur and when the user releases the ON switch, the unit will
be in it's off state.
If the APS indicates no airflow, then the fan will be switched on at it's high rate. Once the unit is in this state, it
will then wait until the APS ON contacts are made.
Once air pressure has been established, the fan will be switched to it's service speed. After a delay, the gas
valve relay will be activated allowing a current to energise the solenoid valve so that gas can flow to the
manually operated gas valve. At this point a green neon will be illuminated.
Manual ignition can now take place.
If during running, the APS signals air flow failure, then the unit will switch back to high speed. If the ON contact
is not made in the APS, then the unit will switch off after a period of 6 seconds. In it's off state, the gas valve
relay contacts are opened and the gas solenoid is closed. The fan is switched off and the neon will be
extinguished. Ignition will not be started unless the fan is switched back on manually.
At any time the user can press the off switch, this will cause the fan to shut down in the same manner as
described above.
TECHNICAL DATA
Gas Type
Gas Connection
Number of Injectors
Injector Size
Control Max Operating Temperature
Inlet Pressure Cold
Heat Input (Gross)
Weight
230V ac
REPLACEMENT PARTS
1. Loose coals - The ceramic coals supplied with this appliance can be replaced at service intervals depending
on their condition. If the coals do require replacement, the consumer can do so provided that the Ceramic
Component Layout Instructions (pages 17 - 18) are adhered to. Under no circumstances should additional/extra
coals be added. Only genuine Legend replacement parts should be used.
Order Ref: SLC05
2. Front Coal, Fuel Bed and Side Cheeks - All these ceramic components can be replaced at service intervals
depending on their condition. If the coals do require replacement, the consumer can do so provided that the
Ceramic Component Layout Instructions (pages 17 - 18) are adhered to. Only genuine Legend replacement
parts should be used.
Order Ref: SFC02, SCM03, SSC04,
3. Oxygen Depletion Sensing Pilot - In the unlikely event of a pilot failure, the pilot assembly should only be
replaced by a GAS SAFE Registered Engineer. The user must not carry out this work.
Order Ref: LEG01
4. Control Tap - In the unlikely event of control tap failure, the assembly should only be replaced by a
GAS SAFE Registered Engineer. The user must not carry out this work.
Order Ref: LEG02
5. If the supply cord is damaged, it must be replaced by a new harness assembly from the manufacturer or
service agent. Order Ref: LEG35
6. Fan Unit Spares:
a. Pectron Board
b. Solenoid Valve
c. Fan Blower
d. Pressure Switch
50Hz
55W
- Order Ref: LEG33
- Order Ref: LEG18
- Order Ref: LEG36
- Order Ref: LEG34
Natural Gas (G20) Cat I 2H
8mm
One
Stereomatic 068
o
80
c
20 mbar (8" W.G.)
6.2 kW
11.4kg
Fuse Rating 3A IPX4D
11
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