49
Condensate drain piping
Make the condensate drain piping run as short as
possible.
Condensate drain pipe
NOTE
Do not make a trap.
After installing the condensate drain piping
• Make sure that there are no obstructions blocking
the condensate drain line from discharging
condensate.
• Be sure to check that condensate is freely flowing
from the condensate drain piping.
Condensate will begin flowing out of the Combi
Boiler
within 15 minutes after operation has
started
.
Freeze prevention
Take measures to prevent the condensate drain
lines from freezing (insulation, heat tape, electric
heaters, etc.).
Drain pipe
Drain connecting
supply
Heat insulation
material
Floor drain
The end of the
condensate drain
pipe must have
an air gap.
MAINTAIN
CLEARANCE
1/2 in. PVC pipe
DO NOT ADD
ANY VALVES
Slope the condensate
drain piping toward the
inside floor drain.
[Condensate drain piping to floor drain]
[Condensate drain piping with pump]
The end of the condensate drain
pipe must have an air gap.
3/8 in. ID tubing*
* Install tubing according to pump
manufacturer’s instructions.
Condensate
pump
DO NOT ADD
ANY VALVES
1/2 in. PVC pipe
1/2 in. PVC elbow
Slope the condensate drain
piping toward the inside
condensate pump.
[If an external neutralizer is installed]
Periodic replacement of the neutralizing agent will
be required.
Refer to the instructions supplied with the
neutralizer for suggested replacement intervals.
Floor drain
Connecting the Condensate Drain
Summary of Contents for GHQ-C3201WX-FF PB US
Page 9: ...9 Memo About the Combi Boiler ...
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