Toyotomi FB-38N(FS) - Manual (Page 24)

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7. Select a place where proper maintenance and control can be provided for the unit after
installation.
8. Select a place sheltered from weather.
9. Install the unit on a non-flammable surface in a stable position.
10. It is important to keep enough clearance for the purpose of maintenance, repair and possible
servicing.
11. The Exhaust Pipe is free of snow, icing, leaves, bird’s nest or strong drafts.
12. Before making a hole in your wall for the Exhaust Pipe, make sure the area is free of
electrical wires, gas pipes and other obstacles.
13. Select a place that can draw in sufficient air for combustion. The air intake hole should be
placed in a spot can draw in outside air near the floor.
[FB-38N(FS)]
Effective hole area 450 cm 2 x 2 locations
Type of ventilation hole Aperture factor Existing ventilation hole ara
Metal ventilation hole 50% 900 cm 2
Wooden ventilation hole 40% 1125 cm 2
[FB-52N(FS)]
Effective hole area 600 cm 2 x 2 locations
Type of ventilation hole Aperture factor Existing ventilation hole ara
Metal ventilation hole 50% 1200 cm 2
Wooden ventilation hole 40% 1500 cm 2
14. Select a place which maintain sufficient clearance to prevent fire. The clearance between the
Water Heater and combustible objects should be maintained as illustrated in the figure.
LEVEL ADJUSTMENT
After positioning the Water Heater, adjust the level with the 4 adjusting legs located at the Water
Heater bottom and make sure the position of the unit is leveled by using a plumb bob.