INSTALLATION AND OPERATION INSTRUCTIONS
6
SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS
3.4.2.2 Removing the burner - SL 30-199 G3 ............................3-6
3.4.3 Installing the burner .............................................3-7
3.4.3.1 Installing the burner - SL 10-85 G3, SL 14-115 G3, SL 20-160 G3 ......3-7
3.4.3.2 Installing the burner - SL 30-199 G3 .............................3-7
4.0 MAINTENANCE .....................................................4-1
4.1 BOILER MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1.1 General Care ..................................................4-1
4.1.2 Inspection.....................................................4-1
4.1.3 Venting .......................................................4-1
4.1.4 Condensate Traps ..............................................4-1
4.1.5 Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1.6 Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1.7 Pump ........................................................4-2
4.1.8 Gas Piping ....................................................4-2
4.1.9 Touchscreen Controller ..........................................4-2
4.1.10 Water .......................................................4-2
4.1.11 Freeze Protection ..............................................4-2
4.1.12 Boiler Treatment...............................................4-2
4.1.13 Relief Valve - Maintenance and Testing .............................4-3
4.2 GEOGRAPHY & COMPONENTS......................................4-4
4.2.1 Fan and gas valve removal instructions..............................4-5
4.2.2 Fan and gas valve re-assembly instructions ..........................4-5
5.0 TROUBLESHOOTING ................................................5-1
5.1 PRELIMINARY CHECKS ............................................5-1
5.2 ELECTRONIC COMPONENTS .......................................5-2
5.2.1 Temperature Sensors ............................................5-2
5.2.2 Fan ..........................................................5-3
5.2.3 Water Pressure Sensor ..........................................5-3
5.2.4 Safety and Ignition Module (SIM
+
) ..................................5-3
5.2.4.1 Low water cutoff function: reset and test ..........................5-4
5.2.4.2 Hi-limit temperature manual reset function: reset and test ............5-5
5.3 TROUBLESHOOTING ................................................5-6
5.3.1 Using Control Module Errors Displayed ..............................5-6
5.3.2 Ignition Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.3.3 Cycling Problems ...............................................5-9
5.3.4 Temperature Problems ..........................................5-10
5.3.5 Miscellaneous.................................................5-11
6.0 DIAGRAMS ........................................................6-1
6.1 PARTS DIAGRAMS ................................................6-2
6.2 WIRING DIAGRAMS ...............................................6-8
6.3 SEQUENCE OF OPERATION .......................................6-10
INSTALLATION & COMMISSIONING REPORT ..............................6-11
INSTALLER SETUP ....................................................6-12
SERVICE RECORD ....................................................6-13
NOTES .........................................................6-14
REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17