Rinnai RHFE-431FA - Manual (Page 4)

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Overcurrent Prevention Device: This is a 3 amp. glass fuse found on P.C. board. Design to
shut unit down in case of overcurrent. If fuse blows all
indicator lamps will be “OFF”.
Power Outage Safety Device: This safety device cuts off gas passage and stops
operation.
Local and state codes must be adhered to prior to installation.
Rinnai is continually updating and improving products therefore specifications are subject to change
without prior notice.
Thank you for purchasing Rinnai gas forced flue heater.
Before using this product, please read this manual carefully to insure proper use of the product.
Please read the attached warranty thoroughly and keep it in a safe place.
GENERAL INFORMATION
THIS SERIES HEATER IS DESIGN CERTIFIED BY CSA
INTERNATIONAL AS A DIRECT VENT WALL FURNACE AND
MUST BE INSTALLED ACCORDING TO THESE INSTRUCTIONS.
ALTERATION OF THE ORIGINAL DESIGN INSTALLED OTHER
THAN AS SHOWN IN THESE INSTRUCTIONS OR USED WITH
A TYPE OF GAS NOT SHOWN ON THE RATING PLATE, IS
THE RESPONSIBILITY OF THE PERSON AND COMPANY
MARKING THE CHANGE.
See conversion for setting gas pressures.
*There are two 1/8" NPT test points for measuring differential pressure, one is located on the modulating
gas valve, the other is located on the burner manifold. The minimum inlet gas supply pressure is for
the purposes of input adjustment.
Minimum supply gas pressure
Maximum supply gas pressure
Manifold test pressure
NG
3.5" (89mmH
2
O)
10.5" (267mmH
2
O)
Factory set
LPG
8" (203mmH
2
O)
13.0" (330mmH
2
O)
Factory set