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

RHFE-556FAlFTRA ENERGYSAVER CONVERSION
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AN ELECTRONIC MANOMETER IS A MUST WHEN CONVERTING. We use Kane-May Model #KM-5033. propers·"
connections are as follows: connect(1
j
lead of your manometer to the manifold (item #119) in th. . e parts list. Connect,"
the other lead up to the gas control assembly(item #126) in your pasts list. Each of the above items have a 1/8" allen,/'
socket head plug in them. The plugs are (item #130) in the parts breakdown. Remember, you are checking,
differential pressure between the gas control assembly and the manifold. " The conversion shall be carried out in
accordance with the requirements of the provincial authorities having jurisdiction and in accordance with the
requirements of the CAN1-B149. 1 and. 2 installation code." The appliance shall only be converted to a gas for which
it has been approved. Conversion shall be done by a qualified technician. Front panel must be removed to access
internal parts. Conversion parts are included in the carton box. Disconnect electricity, shut off gas to the unit.
Locate orifices at burner end of gas tubes.
··MfE-556FAl556FTRA CONVERSION
1. Hold both ends of the bottom cover (Undercover ass'y) and
pull toward; you to remove the cover. Cover snaps in
place. (See Fig. #1)
2. Remove the (6) screws that hold the louver ass'y and (2)
screws at the bottom of the front panel to remove panel
from the unit. Pull the panel out at the bottom about (4")
and lift up over clips that hold it in place at the unit's top.
(See Fig. #1 & #2)
3. Remove (1) screw from the overheat switch mounting
plate. Place bracket and switch to the side out of your
way. (See Fig. #3)
4. Remove the nozzle manifold (2) screws. then replace all
(4) orifices with the proper size for gas type to be used.
(See Fig. #3 & #4)
Propane gas uses a 0.85mm(0.033") orifice.
Natural gas uses a 1.13mm(0.045") orifice.
5. Remove damper inside burner (1) screw, then pull the
secondary air damper out and replace with proper size
damper. (See Fig. #4)
Propane gas damper is part number 556F-208-5.
Natural gas damper is part number 556F-208-7.
There is only one hole in the natural gas damper.
6. Proceed with gas pressure setting.
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Louver
(Fig. #3)