A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

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8.5 Condensate drain
Caution
When the condensate drain is not connected to the waste water discharge by an open
connection, this can cause faults.
Caution
Do not change the condensate drain or cause any blockage in the condensate drain.
Install the condensate drain:
1.
Install a drain pipe to the condense drain (13) for condensate drainage.
2. Make sure that the slope of the drain pipe is 5 mm/m.
3. Connect the drain pipe through an open connection to the waste water discharge.
Note
Always make sure that the condensate drain is filled with water after maintenance
activities and before you turn on the water heater. The condensate drain must be filled
with condensate/water at all times. This will prevent that the flue gasses go through the
condensate drain and will ensure that the water heater functions correctly.
8.6 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.
4. Install the gas supply pipe to the gas control valve.
5. Make sure that there are no gas leaks.
8.7 Venting system
There are several alternatives for installation of the air inlet and flue gas outlet:
Installation
type Version Description
B23 Open Air for combustion is drawn from installation room
and flue gas outlet via a horizontal wall or vertical
roof terminal.
C13 Closed Concentric and/or parallel venting system, with
horizontal air inlet and flue gas outlet, in same
pressure zone.
C33 Closed Concentric and/or parallel venting system, with
vertical air inlet and flue gas outlet, in same
pressure zone.
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