Condensing Pool Heater
15
22/12/08
Fig. 8.2
Commissioning
General
IMPORTANT The heater primary contains Senti-
nel X500 inhibitor/anti-freeze. The minimum water
should be released during filling to maintain its
concentration.
The elimination of air from the heat exchanger is
essential to maximise the life of the Heater.
It is strongly recommended that the Heater is first run
with the
GAS OFF
until the air has been purged.
If air has not been released then there is a possiblity
of the Heater overheating and triggering one of its
safety thermostats. An Air Vent is provided on the top
of the Heat Exchanger
(See Fig 8.0)
to assist its
removal.
It is opened and closed by rotating the front
connector.
A second is a standard radiator vent in the righthand
Side Panel.
A button has been provided to just run the internal
pump
(See Fig 8.1)
to aid de-aerating
.
It requires that
the Mains in connected and on, the Pool Pump need
not be. See Page 6 for more details.
Commissioning Procedure
The Heater Control is factory set to display in Fahren-
heit and work to a maximum temperature of 90°F
(32°C). If a Centigrade display or higher temperature
106°F (41°C) maximum is required, enter User Setup
Mode.
(See Page 16)
The boiler is factory set for Natural Gas and fitted with
automatic ignition and will start when the gas cock is
open, mains is connected and the Pressure Switch is
activated by the pool Pump. (for greater detail about
the internal controls see the Maintenance section,
Fig. 8.0
Fault Diagnosis)
LPG models require to be modified as described on
page 12.
It is recommended that the condensate trap is full of
water before firing.
If the Heater fails to light the gas it will shutdown
and try again. It will repeat this a total of 5 times and
then locks out. This will show as the
Red
LED lit
and
‘GAS’
on the display. Press the Lock/Reset
button to start another 5 attempts.
It is possible with the front door off to see when the
burner is lit through the sight glass.
(See Fig. 8.2)
After the burner has been lit for a few minutes the
gas rate and combustion should be checked, see
the
Technical Data on Inside Cover
for details.
The Heater is factory set and should not require
adjustment. When the Heater has been running for
at least 10 minutes check all joints, gas and water,
for leaks, and correct where necessary.
When running satisfactorily, complete the commis-
sioning details on the inside back page of these
instructions.
Note:
The boiler is fitted with a syphon trap that in-
cludes a blocked drain detection device. This is to safe-
guard the boiler from a blockage or the possible freez-
ing of the condensate pipework in extreme weather.
Should this happen the control will lockout and the
display will show ‘
HI
’, as in “condensate level is high”.
See the Fault Finding section for more details.
This will have to be corrected before the Heater will
run.
The user should be made aware of this feature and,
that in the event of blocked or frozen condensate
pipework, the boiler will automatically stop function-
ing.
It will start again as soon as the blockage has cleared.
Finally, instruct the user on Heaters operation and con-
trols.
Fig. 8.1
Button
Содержание MB35S
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