Atag IC series User Manual

User manual ATAG iC, iS and iR-Range
12
Filling procedure
Combi boiler (iC-Range):
The iC-Range boiler is provided with a lling
loop.
Connect the lling loop between cold water
connection (1) and CH connection (2)
- Open slowly the valves (A and B) of the
lling loop;
- Read the water pressure from the pressure
gauge under the boiler or from the display
according to the procedure described
above and wait until the pressure reaches
between 1.7 and 2 bar;
- Close both valves (A and B) of the lling
loop.
Always disconnect the lling loop and close
the valves with the cap nut (3).
System boiler (iS-Range)
The heating system connected to the iS-Range boiler is provided with a lling
loop.
Connect the lling loop between cold water tap and the connection on the heating
system
- Open slowly the valves of the lling loop
- Read the water pressure from the pressure gauge under the boiler or from
the display according to the procedure described above and wait until the
pressure reaches 1.7 bar.
- Close both valves of the lling loop
Always disconnect the lling loop.
Regular boiler (iR-Range)
This boiler is part of an 'Open Vent' heating system. The system is not
pressurized, but is lled automatically by a lling system in the loft.
If there is a problem with this system, please contact your installer.
When the heating system is lled and after a power
interruption the boiler will be reset and starts with a
venting program. After the venting program (display
shows 1 05) of approx. 7 minutes has ended, the boiler
will be operational again.
OPEN CLOSED
OPEN CLOSED
1
2
A
B
3

Atag IC series Specifications

General

Mounting	Wall-mounted
Boiler Type	Combi
Fuel Type	Natural Gas
Efficiency	94%
Warranty	5 years