Heatline SARGON 18S, Installation, Servicing And User Instructions Manual, Page: 28 / 54

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14.7 Check the manual air vents, and bleed the heat exchanger by means of the screw
on the manual air vent. Check the system pressure and top up if necessary.
14.8 Reset the central heating water temperature control and room thermostat to the
desired temperature settings.
14.9 IMPORTANT: Failure to thoroughly fl ush the heating system with proprietary cleanser
(with the boiler disconnected), or to add an anti corrosion inhibitor to the system water may
invalidate the boiler’s warranty.
15.1 The boiler incorporates 4 potentiometers and a bank of 8 dip switches to allow
adjustment to its pre-set parameters. These are situated on the rear of the control panel.
(
fi gure 22) and accessed by removal of the front panel and dropping the front of the control
box, by releasing the two grey catches in the top corners. Figure 23 shows default dipswitch
settings. The potentiometer settings are the same for NG and LPG.
Potentiometers on the back of the board:
SARGON 18S SARGON 24S SARGON 30S
No Function Factory
Settings
Factory
Settings
Factory
Settings
1 R31 Maximum fan speed 2 o’clock 10 o’clock 10 o’clock
2 R29 Maximum CH power 6 o’clock 6 o’clock 7 o’clock
3 R30 Ignition power 6 o’clock 6 o’clock 6 o’clock
4 R28 Anti cycling time 9 o’clock 9 o’clock 9 o’clock
Dipswitches 1-8 on the back of the board:
No Function ON OFF
S1 Gas Type S1 - NG - LPG
S2 CH pump 45 sec post pump OFF
S3
45 sec waiting time
from DHW to CH
Yes
No
(direct change
over)
S4 DHW mode Tank Combi
S5 CAM timer No Yes
S6
CH 30°C/85°
– 30°C/50°C
30°C/85°C 30°C/50°C
S7* Gas Type S7 No Yes
S8* Gas Type S8 Yes No
15. Onboard Adjustments
NOTE*: Dip Switches S7 and S8 relate to the type of European gas used. These are factory
set and must not be adjusted. Factory settings of dipswitches given below. (S1 to S8)
Sargon 18S : OFF - ON - ON - OFF - ON - ON -ON - OFF
Sargon 24S : OFF - ON - ON - OFF - ON - ON -ON - OFF
Sargon 30S : ON - ON - ON - OFF - ON - ON -ON - OFF