Rinnai V3237FFU User Manual
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Rinnai Corporation
V3237 Models
This manual must be followed exactly.
1) Read the Safety Issues Section completely before installing the Rinnai.
2) This water heater is suitable for water (potable) heating or space heating.
- The piping and components connected to the Rinnai must be approved for use in
potable water systems.
- Toxic chemicals such as those used for boiler water treatment are NOT to be
introduced into the potable water, when used for space heating.
- The Rinnai, if it will be used as a potable water source, must not be
connected to a system that was previously used with a nonpotable
water heating appliance.
- When the system requires water for space heating at temperatures higher
than required for other uses, a means such as a mixing / tempering valve shall
be installed to temper the water for other uses, in order to reduce the scald
hazard potential.
3) The Rinnai is not suitable for use as pool or spa heater.
4) The indoor unit is designed to be installed indoors using the proper vent piping
to exhaust by-products of combustion to the outside environment. Contact your
dealer or Rinnai for proper vent kits. DO NOT operate this unit without vent
piping connected. Exhaust gasses must be expelled outside the home. All pipe
joints shall be taped to help prevent leakage around joints. (Aluminum tape is
recommended.)
5) Maintain proper space around the unit for proper servicing and operation.
Minimum clearances from combustible and non combustible materials are listed
below.
I N S TA L L E R ’ S I N S TA L L AT I O N C O N S I D E R AT I O N
( C o m m e r c i a l U n i t )
Indoor Unit
Outdoor Unit
Indoor Unit
Outdoor Unit
Top of Heater
Back of Heater
Front of Heater
Sides of Heater
2 inches
6 inches
Floor / Ground
Vent Exhaust
4 inches
-
0 inch
-
Concentric Vent
Termination
0 inch
-
0 inch
-
0 inch
24 inches
12 inches
2 inches
Minimum Clearances from Non-Combustibles
1/2 inches
Minimum Clearances from Combustibles
2 inches
0 inch
24 inches
12 inches