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5

Assembly

1

.  Set the toilet in position against the wall. 

The floor must be even and 

insulated.

2.  Measure and make a hole for the ventilation 

pipe in the ceiling, with 55 mm diameter. Install 

the ventilation pipe with the non-sleeved end 

down inside the rubber coupling on the toilet.

3. Measure and make a hole in the roof, 

with 55 mm diameter.

4. Push the pipe up through the hole. Seal it well 

using asphalt sealant between the pipe and the 

roof to prevent any leaks.

5. Insulate the pipe from the ceiling up to the top.  

All pipework in cold spaces must be insulated.

6. Cut the exterior pipe to fit the angle of the roof.

7. Place the roof flashing on to the exterior 

pipe. (Use soapy water to make it easier). 

If you have a tin roof, the best thing to do 

is to get a lead worker to create a junction 

between the roof and the exterior pipe.

8. Pass the exterior pipe over the ventilation 

pipe's insulation. Put on the reduction 

coupling.

9. Adjust the roof flashing and seal firmly with 

asphalt sealant between the roof flasing and 

the roof.

1

0.Fit the insect netting against the stop on the 

reducing coupling.

Starting the empty toilet

1

.  Pour 2/3 of the bag of MullToa humus starter into the toilet and the whole bag, model 65.  About half of the 

humus starter will fall through the grating into the tray.

2. Plug into an earthed socket. Open the lid and the motor will start automatically and run for a short while. 

Close the lid and the motor will make one turn. Repeat this a couple of times. Turn the handle, Model 

1

5, several 

times. This will fill the tray and leave aprrox 5-

1

0 cm on top of the grate. The tray will be full until you empty it 

the first time.

3.  Setting the thermostat. This depends on how many people are going to use the toilet. See recommended 

use in the separate sketch under maintenance instructions, page 6. 

Roof flashing

25 mm Insulation

Pipe 110 mm

Reducing coupling

Insect netting

MIN. 0,5 m

VENT alternative

18° C

Ventilation pipe

Radiator

25 mm 
Insulation

MAX 45°

55mm

VENT 
alternative

Nonsleeved end

Sleeved end

Roof flashing

seal of asphalt

Roof (brick, paper or
plate/plastic)

Eng

MT-instruk-alla-sv-eng-fi:Layout 1  14-02-19  11.28  Sida 18

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