Rinnai RHFE-1004FA Owners & Installation Manual page 9

Safety Devices
Flame failure - Flame rod
Over heat - Bi-metal switch, thermal fuse, thermistor
Power failure - PCB
Power surge - 5 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----47_37dB(A)
Combustion Method Forced combustion
TYPE Air Supply Exhaust Closed Type
Radiation Method Forced convection
Wall Penetration
3 1/8" (80mm)
AIR SUPPLY/ Hole
EXHAUST PIPE Max. Extended
13ft., 2 bends (4m, 2 bends)
Length
SPECIFICATIONS FOR VENT SIZES
3"--4 1/2"
S Thin Walls Mobile Home
(75--115)mm
4 1/2"--9 1/2"
A Wood Walls
(115--240)mm
9 1/2"--15 3/4"
B Wood/Brick
(240--400)mm
15 3/4 "--23 5/8"
C Brick/Block
(400--600)mm
23 5/8"--31 1/2"
D Special
(600--800)mm
** BTU - Efficiency increase with vent size. Clearances from combustibles see page 3.
** Thermal efficiency rating determined under continuous operating conditions, and was determined
independently of any installed system.
-7-