0020244998_04 ecoTEC plus Installation and maintenance instructions
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7.10
Connecting the flexible hose to the
expansion relief valve on the shift-load
cylinder
Danger!
Risk of scalding!
Heating water that leaks from the drain of
the expansion relief valve may cause severe
burns.
▶
Install the expansion relief valve drain to a
professional standard.
▶
Use the flexible hose that is included in
the scope of delivery.
2
1
1.
Connect the flexible hose
(1)
to the expansion relief
valve
(2)
.
2.
Route the end of the flexible hose with a downward
gradient via an open connection to a tundish.
3.
Make sure that the line end is visible.
7.11
Flue installation
7.11.1 Installing and connecting the air/flue pipe
1.
You can find out which air/flue pipes may be used by
consulting the enclosed set-up instructions for the
air/flue system.
2.
Observe the information on positioning the air/flue ter-
minal.
Condition
: Installation in damp rooms
▶
You must connect the product to a room-sealed air/flue
system. The combustion air must not be taken from the
installation site.
Caution.
Risk of poisoning due to escaping flue
gas.
Mineral-oil-based greases can damage the
seals.
▶
Instead of grease, use only water or com-
mercially available soft soap to aid install-
ation.
3.
Install the air/flue pipe using the set-up instructions.
7.11.2 Replacing the connector for the air/flue pipe
as required
1.
Replace the connector for the air/flue pipe as required.
The product-specific standard equipment is listed under
Technical data.
2.
Remove the connector for the air/flue pipe. (
3.
If required, install the connector for the air/flue pipe,
80/125 mm diameter. (
7.11.2.1 Removing the connector for the air/flue pipe
1.
2.
3.
1.
Insert a screwdriver into the slot between the test
points.
2.
Press the screwdriver carefully down
(1.)
.
3.
Turn the connector anti-clockwise
(2.)
as far as it will go
and then remove it by pulling it upwards
(3.)
.
7.11.2.2 Installing the connector for the air/flue pipe,
80/125 mm diameter
1.
Remove the connector for the air/flue pipe.
2.
Insert the alternative connector. In doing so, pay atten-
tion to the latching lugs.
3.
Turn the connector clockwise until it clicks into position.
7.12
Electrical installation
Only qualified electricians may carry out the electrical install-
ation.
Danger!
Risk of death from electric shock!
Power supply terminals L and N remain live
even if the on/off button is switched off:
▶
Disconnect the product from the power
supply by switching off all power supplies
at all poles (electrical partition with a con-
tact gap of at least 3 mm, e.g. fuse or cir-
cuit breaker).
▶
Secure against being switched back on
again.
▶
Wait for at least 3 minutes until the capa-
citors have discharged.
