PART IV: MAINTENANCE
41
Checking the detection current
To check the detection signal follow the scheme in the picture below. If the signal is less than the value indicated, check the position of
the detection electrode or detector, the electrical contacts and, if necessary, replace the electrode or the detector.
Minimum detection signal: 3.5Vdc
Fig. 21 - Detection with detector QRI...
Cleaning and replacing the detection photocell
To clean/replace the detection photocell, proceed as follows:
1
Disconnect the system from the electrical power supply.
2
Shut off the fuel supply;
3
remove the photocell from its slot (see next figure);
4
clean the bulbe if dirty, taking care not to touch it with bare hands;
5
if necessary, replace the bulb;
6
replace the photocell into its slot.
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner main switch to 0 (Off position)
2
disconnect the power mains
3
close the fuel valve of the supply line
Burner disposal
In case of disposal, follow the instructions according to the laws in force in your country about the “Disposal of materials”.
P
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CE
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Summary of Contents for HTP2000
Page 13: ...PART I SPECIFICATIONS 13 Gas pressure in combustion head kW...
Page 35: ...PART III OPERATION 35 Pump flow rate Nozzle flow rate...
Page 45: ...PART IV MAINTENANCE 45...
Page 46: ...PART IV MAINTENANCE 46...
Page 47: ...PART IV MAINTENANCE 47...
Page 49: ...Siemens LMV5x Service Manual M12920CC rev 2 1 08 2017...
Page 56: ...8...
Page 60: ...12 2 2 LMV5x program structure...
Page 87: ...39...
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Page 96: ...Note Specifications and data subject to change Errors and omissions excepted...
Page 98: ...Annex1 Example for motor cable...
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Page 100: ...Annex 2 Example for sensor cable...
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