Form #44201117
Dec 2021
-35-
14.0)
HEATER OPERATION
14.1) SEQUENCE OF OPERATION
The chart below shows the sequence of operation for the normal operating cycle.
Fig. 29
If the flame is not sensed during sequence T3 then the heater will go to lockout.
It is essential that all new pipework installations are purged and tested for soundness with a suitable leak
detection fluid prior to attempting to ignite any appliance. This work should be carried out in accordance with
National or Local regulations.
NOTE: DO NOT TEST FOR SOUNDNESS BY USE OF NAKED FLAMES.
14.2)
LIGHTING AND SHUTDOWN INSTRUCTIONS
a.
Ensure that the Control Box lid is closed and secured with the two toggle latches. The heater will not operate
with the door open.
b.
Turn on the gas supply to the appliance.
c.
Set any time switches or thermostats to demand heat.
d.
Switch on the electricity supply to the appliance. The red neon indicator will be illuminated.
e.
The burner should ignite within 30 seconds. Both red and amber neon indicators will remain illuminated.
f.
Failure to ignite will result in the ignition controller going to "lockout" condition. The red neon indicator will
remain illuminated. The amber neon indicator will be extinguished.
g.
If lockout occurs, switch off the electricity supply to the appliance; wait for 15 seconds before switching on
the electricity supply to the appliance to repeat the ignition sequence.
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...