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Alde Comfort 2928 Manual de instruções de utilização

tube and one for the ventilation drum, if one is to be

mounted (see Figure 1 in the installation instructions).

The ventilation drum can be placed either to the left or

to the right, depending on the space available. Cover

the hole prepared for the ventilation drum with fine-

meshed netting. Then mount the chimney as described

in Chapter 2:1.

Place a bead of silicone around the position where the

boiler is to be placed. Put the boiler into position and

fix it by screws to the floor and wall (see Figure 2A in

the installation instructions). The input tube on 2923

must protrude at least 25 mm below the floor (see

Figure 3 in the installation instructions); an extension

tube must be fitted if it does not extend this far. Screw

the black input funnel onto the input tube under the

boiler (only valid for 2923).

Remove the square covering plate from the boiler

where the ventilation drum is to be attached. Roll out

the plastic hose that lies behind the lower front plate.

Cut off the end of the hose to make it pointed. Feed

the hose out through the ventilation drum and the floor.

Attach the ventilation drum to the floor and the boiler

by screws.

If the boiler is to be mounted in a wardrobe, for exam-

ple, a dividing wall should be mounted so that flam-

mable material cannot come into contact with any

warm parts. If a water heater and electrical cartridge

are mounted on the boiler, make a hole in the dividing

wall (2923 Figure 4 and 2928 Figure 3) in order to gain

access to the air-screw and drainage tap of the water

heater and to the reset button for the overheating pro-

tection on the electrical cartridge.

2:2

Fitting the flue terminal (fig 5)

Mark the centre of the position of the hole (see Figure

4 in the installation instructions). Make a hole of diam-

eter 120-125 mm in the roof. Mount the chimney hood

(Figure 5A) from above. Seal with silicone or jointing

compound and screw the chimney hood onto the outer

surface of the roof. The minimum distance from the

roof to the lower roof vane of the chimney is 80 mm

(see Figure 6). Then mount the input sleeve coupling

(Figure 5B) by opening the hose clip, threading it

around the chimney hood and pressing the coupling

into the hole. Tighten the input sleeve coupling onto

the chimney hood with the hose clip.

Cut the chimney pipe (Figure 5C) so that it is about 60

mm longer than the distance between the boiler and

the chimney hood. Then feed the chimney pipe into the

chimney hood and put the boiler into position (Chapter

2 in the installation instructions). Pull down the chim-

ney pipe and attach it to the exhaust pipe of the boiler

using a sheet metal screw.

Mount the input tube between the sleeve couplings on

the chimney hood and the boiler, and fix it in place with

hose clips.

The free part of the chimney pipe in the vehicle must

be protected by netting or sheet metal so that flamma-

ble material cannot come into direct contact with it (see

Figure 2C in the installation instructions).

Fig 4

The boiler from above

Centre marking for the chimney

Fig 5

Chimney hood

Input sleeve coupling

Chimney pipe

2:3

LpG installation

The boiler should be attached to an LPG cylinder with

a type-approved regulator with a pressure of 28 mbar

with butane or 37 mbar with propane. A secure tap to

cut off the gas supply must be fitted before the boiler.

The boiler should be connected with 8 mm copper

pipe. The pipe must be secured carefully at 500 mm

intervals througout its length. If the copper pipe passes

through walls, floors or similar it should be protected

against wear by a grommet or insulation.

If the copper pipe is run under the vehicle (fig 7):

In the base plate of the boiler there is a ready-punched

hole for the copper pipe to pass through. Drill a hole

through the floor where the copper pipe is to enter. Pull

the copper pipe up through the floor and the base plate

(don't forget to protect the pipe against wear). Use a

supporting sleeve, nut and olive (see fig 9) and screw

the pipe to the gas connection of the gas valve. Seal

the hole in the floor with silicon or similar.

If the copper pipe is run inside the vehicle (fig 8):

Remove the disc on the right or left-hand side of the

metal case, depending on which side the copper pipe

comes from. Cut a hole in the rubber washer and

attach it where the disc was. Push the copper pipe

through and pull it up in a gentle curve to the gas

valve. Use a nut and olive (see fig 9) and screw the

pipe to the connection of the gas valve on the burner.

Figs 7-8-9

Olive

Nut

8 mm copper pipe

Rubber grommet

Pipe clip

Service tap

2:4

Fitting the room thermostat

The room thermostat should be placed at least 1 m

above the floor, but not too close to the ceiling. It

should not be placed on an outer wall, beside the

boiler, cooker, fridge or flue. The room thermostat

starts and stops the circulation pump according to the

heat require ment.

2:5

Electrical installation

12 volts

The electrical connection is made at the top of the

boiler, where a six-pole terminal block is fitted. Use

the accompanying terminal plug and the five spade

connec tors. From the battery, a 1.5 mm2 cable should

be used and from the room thermostat a 1 mm2 cable.

The connection should be made to the vehicle's 12-volt

battery or to a battery intended for the living quarters.