Form #44201117
-36-
Dec 2021
h.
If the appliance fails to ignite after a second sequence switch off the electrical supply to the appliance and
call the service engineer.
i.
If gas failure occurs after successful ignition the appliance will attempt one re-ignition before going to
lockout condition.
j.
To shut down the appliance for short periods of time, switch off the electricity supply to the appliance.
k.
To shut down the appliance for longer periods of time, switch of the electricity supply to the appliance and
turn off the gas supply at the gas isolation valve.
NOTE: The lighting and shutdown instructions are also shown on a permanent label attached adjacent to the
controls for the heater (see section 8.3).
15.0)
CLEANING AND ANNUAL MAINTENANCE
This heater must be cleaned and serviced annually by a qualified contractor before the start of each heating
season and at any time excessive accumulation of dust and dirt is observed. Maximum heating efficiency and
clean combustion will be maintained by keeping the heater clean.
IMPORTANT:
a.
Do not rest anything, especially ladders, against the appliance.
b.
Gas and Electricity supplies must be isolated before commencing servicing work or replacement of
components.
c.
On completion of a service/fault finding task which has required the breaking and remaking of electrical
corrections, the following checks must be made.
1.
Earth continuity check
2.
Polarity check
3.
Resistance to earth check
d.
On completion of service of gas carrying components or replacements the entire gas supply system best be
checked for leaks.
e.
Commission heater with section 11 and 14.
The contractor shall check the following during periodic maintenance.
•
Clearances to combustibles: Check that clearances are being maintained. Make sure there are no
flammable objects, liquids or vapors near the heater. See also Section 4.0).
•
Reflectors: Reflectors should be kept clean, at a minimum blow off the reflectors. (Dirty reflectors will
reduce heat output).
•
Heat exchanger tubes: Inspect the heat exchanger tubes to make sure they are not cracked, sagging or
showing signs of fatigue.
•
Combustion air intake: Disconnect combustion air intake from the control box and inspect internally using a
flashlight to make sure no foreign material has collected in the tubes and that there is no obstruction
around the air intake openings. Clean any foreign materials. Inspect any joints to make sure they are
completely sealed. See also Section 13.
•
Venting System: Disconnect vent pipe and inspect internally using a flashlight to make sure no foreign
material has collected in the pipes. Check the external vent cap and make sure that there is no obstruction
around the exhaust openings. Clean any foreign materials. Inspect any joints to make sure they are
completely sealed. See also Section 13.
Summary of Contents for LRDL15
Page 10: ...Form 44201117 Dec 2021 9 7 0 DIMENSIONS LINEAR TUBE CONFIGURATIONS Fig 5...
Page 11: ...Form 44201117 10 Dec 2021 Fig 5a LRDL30 35 40 45 with OPTIONAL 3m EXTENSION...
Page 12: ...Form 44201117 Dec 2021 11 7 1 HEATER ASSEMBLY OVERVIEW LINEAR TUBE CONFIGURATIONS Fig 6...
Page 13: ...Form 44201117 12 Dec 2021 Fig 6a...
Page 14: ...Form 44201117 Dec 2021 13 Fig 7...
Page 15: ...Form 44201117 14 Dec 2021 Fig 7a...
Page 16: ...Form 44201117 Dec 2021 15 Fig 8...
Page 17: ...Form 44201117 16 Dec 2021 Fig 8a...
Page 39: ...Form 44201117 38 Dec 2021 16 0 TROUBLESHOOTING GUIDE...
Page 40: ...Form 44201117 Dec 2021 39...