Rinnai RHFE-556FA Owner's Operation And Installation Manual page 9

Flame failure - Flame rod
Over heat - Bi-metal switch, thermal fuse, thermistor
Power failure - PCB
Safety Devices Power surge - 3 Amp. fuse
Fan delay - Micro computer timer
Pre-purge - Combustion fan, pre-purge timer, spark sensor
Room over heat - Automatic cut off at 104°F after 10 minutes
Noise Level Range HI-LOW=41-32dB(A}
Combustion Method Forced combustion
TYPE
Air Supply Exhaust
Closed Type
.
Radiation Method
Forced connection
Wall Penetration (80mm) 3 1/8"
AIR SUPPLY/ Hole
EXHAUST PIPE Max. Extended
(4m, 2 bends}=13ft., 2 bends
Length
SPECIFICATIONS FOR VENT SIZES
S
3"-41/2"
Thin Walls Mobile Home
(75-115)
A
>
4 1/2"~9 1/2"
Wood Walls
(115-240 )
B
91/2"-153/4"
Wood/Brick
(240-400 )
C
15 3/4 "-23 5/8"
Brick/Block
(400-600 )
D
235/8"-31 1/2"
Special
(600-800 )
** BTU - Efficiency increase with vent size. Clearances from combustibles see pages 6 and 28.
**
Thermal efficiency rating determined under continuous operating conditions.
Efficiency results based on DOE regulations. Output efficiency is 75% of rated input for Canadian
installations.
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