Type C [8A].
C 1X: C12 for type 13, 22 and 38, C13 for type 50.
The maximum length L of the intake and flue pipe is six metres, including 2x2 bends of 90°. Each
additional right-angled bend shortens the length by 2 metres. If possible, use bends of 45°. The
gas flue must have an incline of at least 3° from the appliance. For type 50, 3 x 2 bends of 90° are
permitted.
C3X: C32 for Type 13, 22 and 38, C33 for Type 50 [8B].
The maximum length of the intake and flue pipe is six metres, including 2 x 2 bends of 90°. Each
additional bend shortens the length by 2 metres. If possible, use bends of 45°. For type 50, 3 x 2
bends of 90° are permitted.
2.3 Gas connection
The installation of the gas pipeline and gas tap must comply with the relevant local and/or
national regulations. The gas tap must be positioned within reach of the appliance [9]. If the
connection line is subject to pressures above 60mbar, this gas tap must be closed. In the event of
any doubt about entrained dirt, apply a gas filter. It is necessary to make the last section of the
gas connection flexible by means of an approved flexible connecting hose or a copper expansion
loop. The flexible gas hose must be positioned in such a way that an appliance in operation can
expand freely. Make sure that no tension or twisting can occur on the flexible connection.
When connecting the gas line, excessive torque should not be applied to the internal connection
of the burner.
The length of the flexible gas hose must be such that the following expansion can be absorbed:
Infra 13: 30 mm Infra 38: 40 mm Infra 22 mono: 70 mm
Infra 22: 30 mm Infra 50: 50 mm Infra 38 mono: 80 mm
2.4 Electrical connection
The installation must comply with the relevant local and/or national regulations and should be
protected with a fuse of max. 16A. Ensure that there is a correct connection set with main fuse.
The electrical diagram for the appliance can be found at the back of this manual. PLEASE
NOTE: The unit is phase sensitive and will only operate when it has been appropriately earthed.
2.5 Room thermostat / black bulb sensor.
Position the room thermostat in a draught-free location, exposed to direct radiation at a height
of around 1.5m from the floor.
Connect the room thermostat in accordance with the electrical diagram for the appliance. If a
room thermostat has been purchased from the supplier of the appliance, the connection diagram
is included in the room thermostat manual. An incorrect connection will void the manufacturer’s
warranty. The appliance can be reset by disconnecting the electricity, for example by setting the
thermostat to the minimum position. The room thermostat and, where applicable, the burner
load high/low switch, must have a minimum switch-on voltage of 230 V AC and be able to toler-
ate a switch-on current of 1 A.
EN
7
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