BENSON OLYMPIC WH - Ignition

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4.2 Commissioing - Ig nition
Warning
Do not proceed with commissioning unless all the criteria detailed within sections 4.0 and
4.1
have been satisfied.
(a) Ensure that the electrical supply is turned off.
(b)
Ensure that the gas supply is turned off.
(c) Select the following s\vitch settings on the heater
on/off off
heat/ventilation heat
manual/ automatic automatic
(d) Turn on main electrical supply.
(e) Select
'on' position for heater on/ off sv,Titch.
(f) Check for the following burner sequence
Interval
Operand
1 Combustion air damper actuated, burner
fan motor initiates purge cycle ...
2
<5s
<405 Pilot valve
opens, ignition transformer
provides spark for pilot ignition ...
E I T H E R
3 >40s Ignition fialure caused by gas starvation
I
resulting in burner lock-out/ shut-down ...
[
(g) Clear burner lockout using burner reset function.
(h) Set
heater coptrol on/ off switch to 'off' position.
(i) Open gas cocks and repeat steps 4.1 q, and 4.2 c,e,f.
3
4
>40s
<60s
OR
Pilot ignition, Burner ignition ...
Burner ignition cycle complete.
Note
It is strongly recommended that the separate manual concerning the operational details of the
burner supplied with the heater as part of the information package is studied prior to commissioning.
Time intervals
within the ignition sequence will vary slightly from one model to another.
Warning
If burner ignition is not satisfactorily accomplished, commissioning must not proceed until the
reason or fault has been identified and rectified, if necessary by reference to the separate burner
information or to section 6 of this manual.
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