Navien LCB700-21RS, Руководство по установке и эксплуатации

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74 Maintaining the Boiler
Cleaning the Oil Filter in the Oil Pump
1. Refer to the following illustration to see the location of the
oil pump.
Oil
Storage Tank
Oil Pump
Oil Filter
Oil Strainer and
Water Separator
2. Pull out the oil filter from the oil pump and remove any
deposits that have accumulated around the filter.
Oil Pump
Filter
Model
21RS/RSX
21LS/LSX
28RS/RSX
28LS/LSX
36RS/RSX
36LS/LSX
“Kerosene”
UK Standard
Heating Oil
“ES”
Pattern
Oil Nozzle
Oil Nozzle 0.55G 80˚ ES 0.75G 80˚ ES 1.0G 80˚ ES
Oil
Pressure
Low 6.5 bar 6.5 bar 6.5 bar
High 11.5 bar 9.5 bar 10 bar
“Light Oil”
EU Standard
Heating Oil
“S”
Pattern
Oil Nozzle
Oil Nozzle 0.45G 80˚ S 0.55G 80˚ S 0.65G 80˚ S
Oil
Pressure
Low 9.5 bar 9.5 bar 9.5 bar
High 13.5 bar 14 bar 14 bar
Checking the Ignition Ground Wiring
1. Check that the ground wire is in good condition and
securely attached to the boiler casing.
2. Check ground continuity of wiring using a continuity tester.
3. Replace ground wires if ground continuity is not satisfactory.
Checking all Boiler Wiring
Inspect all boiler wiring, making sure wires are in good condition
and securely attached.
Checking the Control Settings
Check settings of external limit controls (if any) and adjust if
necessary.
Performing Start-up and Checks
1. Start boiler and make sure that the boiler is operating
properly.
2. Verify cold fill pressure is correct and that operating pressure
does not go too high.