English
5
*
or more
100
Maintenance hole 450 or more
Be sure to create a maintenance hole
the size shown in the figure above.
200 or more
200 or more
400 or more
**
(Service space)
100-250
When hanging the unit from the ceiling
** If the Maintenance hole cannot be installed
directly below, make sure there is at least
400mm of space.
* Make sure there is enough space to tighten the flare nuts.
Fig. 1
(length: mm)
Install so that the control box lid is facing down.
Take the gas piping thermistor out
from above.
Horizontal position
Direction of the gas piping
connection piping
100
Upper
Lower
100-250
*
or more
500
or more
200
or more
200
or more
* Make sure there is enough space to tighten the flare nuts.
Make sure the wiring outtake is facing down, and no other
direction.
(Service space)
When installing the unit on a wall
Fig. 2
(length: mm)
Upright and diagonal
position
Take the gas piping thermistor out
from above.
Direction of the gas piping
connection piping
3P084604-2A_Eng.fm Page 5 Wednesday, March 3, 2004 10:01 AM
