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When hanging the unit from the ceiling
Install so that the control box lid is facing down.
Maintenance hole
Be sure to create a maintenance hole
the size shown in the figure above.
** If the Maintenance hole cannot be installed
directly below, make sure there is at least
400mm of space.
When installing the unit on a wall
Make sure the wiring outtake is facing down, and no other
direction.
100
Upper
or more
Lower
* Make sure there is enough space to tighten the flare nuts.
English
450 or more
200 or more
400 or more
**
* Make sure there is enough space to tighten the flare nuts.
100-250
*
or more
Direction of the gas piping
connection piping
Horizontal position
Take the gas piping thermistor out
from above.
200 or more
(Service space)
Direction of the gas piping
connection piping
500
Take the gas piping thermistor out
from above.
(Service space)
Fig. 1
(length: mm)
Upright and diagonal
position
Fig. 2
(length: mm)
5
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