REMEHA W40 Installation And Maintenance Instructions Manual page 32

A - Setting screw full load
B - Setting screw part load
Fig. 21 Setting screws
17c.When full-load speed is reached, you should com-
pare the measured result with the figures in the
table below:
- If necessary, correct the gas/air ratio using screw
A on the gas combination block (see fig. 21) .
Check the flame via the inspection opening:
- the flame should not blow out
- the burner surface should not glow red.
boiler input
model
speed
kW
W40-m 12.7
approx. 3000
42.3 approx. 4900
W60-m 18.6 approx. 3000
62.1
approx. 4900
fan O
2
rpm %
4.8
4.8
4.8
4.8
17d.Run the appliance at part-load (forced mode 'LOW',
see par. 6.4.6)
- Press the 'mode' and ' ' keys simultaneously.
17e.Once the part-load speed is reached, compare the
measured result with the table above (see 17c) .
If necessary, correct the gas to air ratio using screw
B on the gas combination block (see fig. 21) .
Check via the inspection opening:
- the flame (should not blow out)
- the burner surface (should show a regular flame
distribution).
17f. Once you have adjusted gas flow in part-load, the
setting values for full-load should be checked.
These values are subject to minimal variations; if
necessary, correct the values and repeat this
process from point 17b onwards, as often as is
neccessary, until the desired effect is achieved.
17g.Remove the measurement connections. Close the
measurement openings. Fit the boiler panels.
18. Heat the installation up to 80˚C and shut-off the
boiler.
19. Vent the piping and check the water pressure.
20. Set the room thermostat or weather compensator at
the required value.
21. The boiler is now ready for use.
Note:
The remeha W40/60-m ECO is supplied with a number
of basic settings:
- burner control
- flow temperature
- post-running time pump
- D.H.W. control
- D.H.W. temperature
- D.H.W. cut-in temperature differential - 5°C
If other setting values are required: see alteration of set-
CO
tings, par. 10.3.
2
% 10.2 Shut-down
1. Switch off the boiler burner switch ('0').
9.0
9.0
2. Close the gas cock.
3. Switch the electric power switch off.
9.0
9.0
Note:
When the boiler is shut-down, it is not protected against
frost!
32
remeha W40/60-m ECO
- on/off or
modulating
- 80°C
- 5 minutes
- operating
- 65°C