Note
Use the drain valve connection (9) as a
connection of the circulation pipe on the water
heater.
Note
Make sure that the circulation pump has the
correct capacity for the length and resistance of
the circulation system.
Install a circulation pump:
1. Install a circulation pump (6).
2. Install a non-return valve (5) after the
circulation pump to make sure that the
direction of circulation is guaranteed.
3. Install a stop valve (4) before the circulation
pump.
4. Install a stop valve (4) after the non-return
valve.
5. Connect the circulation pipe to the drain
valve (9).
8.4.4 Drain valve
Install the drain valve:
1. Fasten the drain valve (9) in the connection
in the front of the water heater.
2. Place the cap over the connection to make it
watertight.
8.5 Gas connection
Caution
Make sure that the gas supply pipe has the
correct diameter and length to supply sufficient
capacity to the water heater.
Caution
Make sure that the gas supply pipe is clean.
Contamination in the pipe can cause damage to
the gas control valve, during operation.
Caution
Install the manual gas valve on a spot
accessible for the user.
Install the gas connection:
1. Install the manual gas valve (10) in the gas
supply pipe.
2. Make sure that the gas pipe is clean before
use. If necessary, remove the contamination
from the pipe.
3. Close the manual gas valve.
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4. Install the gas supply pipe to the gas control
valve.
5. Make sure that there are no gas leaks.
8.6 Flue gas discharge
Caution
It is not allowed to make changes to the flue
gas discharge or to apply casings on it.
Install the flue gas discharge:
1. Install the draught diverter on top of the
water heater. (see 8.6.1)
2. Install the T.R.S.
3. Install the discharge pipe. (see 8.6.3)
8.6.1 Draught diverter
Install the delivered draught diverter on top of
the water heater.
For correct installation of the draught diverter,
please refer to the installation instructions
delivered with the draught diverter.
Fig. Install the draught diverter
8.6.2 T.R.S. (Thermal Reflux
Safeguard)
The T.R.S. (Thermal Reflux Safeguard) is
installed on the draught diverter.
Note
Make sure that the temperature probe is
positioned at the front side of the water heater.
If necessary, reinstall the draught diverter.
To install the T.R.S.:
1. Remove the screws from the bracket.
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