Rinnai Slimfire 252 Operation & Installation Manual page 24

ENGINE INSTALLATION
Step 6. Connect Transition Box to Engine
Align the guide rails (M) with the guide plate (C) of the transition box
assembly and slide the assembly, in until the guide plate (C) is fully
home against the rear of the flange at the top of the heater engines
main body (R).
Step 7. Positioning the Heater Engine
Place the heater engine in front of the fireplace enclosure.
A panel from the cardboard packing carton placed
on the floor underneath the heater will help prevent
possible damage to flooring.
IDEA
Step 8. Connect Electrical Supply
Plug in the 3 pin connector if electrical connections inside the
fireplace.
Step 9. Insert Heater Engine Into Fireplace
Carefully move the heater engine into the fireplace ensuring the gas
supply pipe and fittings (Q) feed into the rear access hole.
Take care that the electrical cord does not bunch up or
get pinched behind the heater engine.
CAUTION
Step 10. Connect Flue
Connect flue in accordance with the 'Flueing Installation Manual For
Rinnai Flamefire Heaters' supplied with flue kit.
Step 11. Secure Flue
Replace the flue access plate (N) and secure the guide plate (C)
of the transition box assembly to the flue access plate (N) with two
screws (S) (supplied). Re-secure the flue access plate (N) to the
heater engine three screws.
Step 12. Connecting Gas
Connect gas supply pipe and fittings (Q) to the gas control valve
inlet (T) and tighten.
Step 13. Leak Testing
Turn gas back ON and leak test all appliance connections
Use a soapy solution to test all gas connections. If
a leak is present bubbles will form at the leak point.
When finished remove any residue with a rag. Prevent
CAUTION
any soapy solution from coming in contact with
electrical components.
Step 14. Securing The Heater Engine
Fasten the heater to the masonry work using appropriate fasteners
(not supplied) using the three holes across the top of the fascia
assembly mounting panel and in at least two of the holes on each
side of the side panels as shown .
Step 15. Completing Heater Installation
Go to "Burner Media Installation" on page 25.
Rinnai
C
M
T
Q T
U
24
C
A
R
Refer to flue
installation
instructions
Q
S
Q
RIBF25 OIM
N