Onboard Adjustments - Heatline SARGON 18S Installation, Servicing And User Instructions Manual

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. Onboard Adjustments

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:
No
1 R31 Maximum fan speed
2 R29 Maximum CH power
3 R30 Ignition power
4 R28 Anti cycling time
Dipswitches 1-8 on the back of the board:
No Function
S1 Gas Type S1
S2 CH pump
45 sec waiting time
S3
from DHW to CH
S4 DHW mode
S5 CAM timer
CH 30°C/85°
S6
– 30°C/50°C
S7* Gas Type S7
S8* Gas Type S8
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
SARGON 18S
Function
45 sec post pump
30°C/85°C
SARGON 24S
Factory
Settings
2 o'clock 10 o'clock
6 o'clock 6 o'clock
6 o'clock 6 o'clock
9 o'clock 9 o'clock
ON
-
Yes (direct change
Tank
No
No
Yes
SARGON 30S
Factory Factory
Settings Settings
10 o'clock
7 o'clock
6 o'clock
9 o'clock
OFF
NG - LPG
OFF
No
over)
Combi
Yes
30°C/50°C
Yes
No
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