Potterton eurocondense four 125 kw, Installation, Operation And Maintanance Manual, Page: 53 / 148

Function Prog. no. Setting level
EC four
125 kW
EC four
170 kW
EC four
215 kW
Natural
gas
Propane Natural
gas
Propane Natural
gas
Propane
Boiler
Output basic stage
2331 F 20 35 28 35 35 48
Burner control
Required output prepurging
9504 F 73 73 94 94 96 96
Required output ignition 9512 F 59.3 66.3 75.5 86.8 77.1 89.3
Required output LF 9524 F 20.0 35.0 28.0 35.0 35.0 48.0
Fan output/speed slope 9626 F 37.1 33.9 27.6 24.1 26.4 23.0
Fan output/speed Y-section 9627 F 501.1 453.9 517.2 507.4 464.4 446.3
CO
2
content (± 0.2) 9.3 11.0 9.3 11.0 9.3 11.0
Function Prog. no. Setting level
EC four
260 kW
EC four
300 kW
Natural gas Propane Natural gas Propane
Boiler
Output basic stage 2331 F 42 58 48 58
Burner control
Required output prepurging 9504 F 120 120 129 129
Required output ignition 9512 F 93.4 110.0 103.9 115.5
Required output LF 9524 F 42.0 58.0 48.0 58.0
Fan output/speed slope 9626 F 20.1 19.9 19.9 19.0
Fan output/speed Y-section 9627 F 488.0 305.7 431.7 306.1
CO
2
content (± 0.2) 9.3 11.0 9.3 11.0
Caution
Risk for the environment and the device if CO content is too high!
When a boiler set for natural gas is put into operation with LPG,
the adjustment screw for full load on the gas valve must be turned
clockwise (-) by half a turn before the boiler is switched on!
7.4.4 Manual adjustment of burner output (controller stop func­
tion)
For controlling the CO
2
values theEC four operated in the control stop func­
tion
1. Press buttonOperating mode button heating operation for approx 3 s
The message Controller stop active is displayed.
2. Wait until the display has reached the basic display again.
3. Press the Info button
The message Controller stop setpoint appears on the display. The
actual modulation degree will be displayed on the display.
4. Press OK.
The setpoint can now be changed.
5. Press OK.
The setpoint displayed is then adopted by the controller.
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7 Commissioning
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