Magikist HWG20, Instruction Manual

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1.0 INTRODUCTION............................................................................................1
2.0 IMPORTANT OPERATING CONDITIONS ....................................................2
3.0 SAFETY .........................................................................................................2
4.0 INSTALLATION
4.1 LOCATION .........................................................................................3
4.2 MOUNTING ........................................................................................3
4.3 GAS SUPPLY ....................................................................................3
4.4 VENTING............................................................................................3
4.5 AUTOMATIC VENT DAMPER ...........................................................3
4.6 POWER VENTER ..............................................................................4
4.7 FLOW SWITCH ..................................................................................4
4.8 INLET PLUMBING .............................................................................4
4.9 OUTLET PLUMBING .........................................................................4
4.10 ELECTRICAL CONNECTIONS .........................................................5
5.0 PRE-OPERATION CHECKS
5.1 FLUSH DEBRIS FROM THE SYSTEM .............................................7
5.2 INITIAL POWER UP ..........................................................................7
5.3 CHECK FLOW SWITCH & AUTOMATIC VENT DAMPER...............7
5.4 BLEED OFF AIR ................................................................................7
5.5 LIGHTING THE PILOT BURNER ......................................................7
5.6 CHECK IGNITION OF MAIN BURNERS ...........................................8
6.0 P
RO
S
AFE
II CONTROL
6.1 TEMPERATURE SETTING ..............................................................9
6.2 POWER INDICATOR......................................................................10
6.3 HEAT ON INDICATOR ...................................................................10
6.4 REQUEST FOR HEAT INDICATOR...............................................10
6.5 PURGE DELAY ON INDICATOR ...................................................10
6.6 FLOW ON INDICATOR ..................................................................10
6.7 THERMOSTAT INDICATOR ..........................................................10
6.8 EXTERIOR CONTROL INDICATOR ..............................................10
6.9 FLUE STATUS INDICATOR...........................................................11
6.10 DAMPER OPEN INDICATOR.........................................................11
6.11 POWER VENT INDICATOR ...........................................................11
7.0 P
RO
S
AFE
II ERROR & WARNINGS
7.1 ERROR CONDITIONS .....................................................................12
7.2 WARNING CONDITIONS ................................................................12
8.0 ELECTRONIC IGNITION OPERATION.......................................................13
9.0 MAINTENANCE
9.1 FLOW SWITCH ................................................................................14
9.2 RELIGHTING THE PILOT BURNER ...............................................14
9.3 CARE OF MAIN BURNERS ............................................................14
9.4 CLEANING HEATER COIL OF SCALE ..........................................14
10.0 HELPFUL INFORMATION
10.1 COIL CONDENSATION ...................................................................15
10.2 COIL SCALING ................................................................................15
10.3 FREEZING CONDITIONS ................................................................15
10.4 USE OF ACIDS ................................................................................15
10.5 COIL TEST.......................................................................................15
10.6 TERMINAL CONNECTIONS TO
P
RO
S
AFE
II ...................................15
11.0 TROUBLESHOOTING ...............................................................................16
PARTS LIST ..............................................................................................19
WIRING DIAGRAM....................................................................................21
11.0 SPECIFICATIONS......................................................................................23
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