GLYCOL IN STEEL WATER TANKS ............................................................................................................................................75 HOW TO CLEAN A GARN ® UNIT (SAVING THE TREATED WATER) ...........................................................................................75 F. ELECTRIC ISOLATION AND PROPER GROUNDING TO PREVENT ELECTROLYSIS CORROSION....................................... 78 UNDIRECTED CURRENT - TERMINOLOGY ..............................................................................................................................78 CORROSION FROM UNDIRECTED CURRENT .........................................................................................................................78 PROTECTION METHODS (OPTIONS FOR PROTECTION) .........................................................................................................79 FOR EXISTING CUSTOMERS .............................................................................................................................................. 79 FOR NEW CUSTOMERS ..................................................................................................................................................... 79 ELECTRIC ISOLATION ............................................................................................................................................................. 79 IF ELECTRIC HEATING ELEMENTS ARE INSTALLED ............................................................................................................ 79 LOW VOLTAGE SENSORS .................................................................................................................................................. 79 AIR INTAKE DAMPER ........................................................................................................................................................ 80 UNITS WITHOUT ELECTRIC HEATING ELEMENTS ..................................................................................................................80 FULL ISOLATION (OPTION 1)..............................................................................................................................................80 SINGLE POINT GROUNDING (OPTION 2) .......................................................................................................................... 82 UNITS WITH ELECTRIC HEATING ELEMENTS .........................................................................................................................84 MOTOR ISOLATION BUSHINGS INSTALLATION .....................................................................................................................85 G. OPERATION ............................................................................................................................................................... 87 STARTING A FIRE ....................................................................................................................................................................87 CONDENSATION LEAK POINTS DURING COLD FIRING............................................................................................................89 OVERVIEW OF THE DIGITAL CONTROLLER .............................................................................................................................89 DIGITAL READOUT ............................................................................................................................................................ 90 OPERATIONAL SAFETY GUIDE ................................................................................................................................................91 APPROVED FUELS...................................................................................................................................................................91 OPERATION AT HIGHER ALTITUDES .......................................................................................................................................92 H. MAINTENANCE.......................................................................................................................................................... 93 BLOWER WHEEL GASKET/WHEEL REPLACEMENT & REMOVAL (AS NECESSARY) ................................................................. 93 ASH REMOVAL (FREQUENTLY) ............................................................................................................................................... 95 HEAT EXCHANGER/FLUE TUBE CLEANING (1 PER YEAR OR AS NECESSARY) ......................................................................... 95 CHIMNEY CLEANING (1 PER YEAR OR AS NECESSARY) .......................................................................................................... 95 CLEANOUT COVER GASKETS (AS NECESSARY) ....................................................................................................................... 96 PREVENTING THE CLEANOUT GASKETS FROM STICKING ............................................................................................. . ..... 97 CLEAN BLOWER MOTOR (2 PER YEAR) ................................................................................................................................... 98 COMBUSTION AIR INTAKE HOOD (FREQUENTLY) .................................................................................................................. 98 FUEL LOADING DOOR GASKET (EVERY 5 YEARS)....................................................................................................................98 MANWAY COVER GASKET (1 PER YEAR OR AS NECESSARY) – SPUN MANWAY ONLY ......................................................... 100 FIREBRICK REPLACEMENT (AS NECESSARY) ..........................................................................................................................102 SECONDARY REACTION CHAMBER (SRC) (EVERY 5 TO 10 YEARS) ....................................................................................... 103 SPRING SHUTDOWN/WET LAYUP (END OF HEATING SEASON) ...........................................................................................104 MAINTENANCE SCHEDULE ................................................................................................................................................... 105 I. TROUBLE SHOOTING ...... . ......................................................................................................................................... 106 DIGITAL CONTROLLER .......................................................................................................................................................... 106 LACK OF HEAT IN BUILDING ................................................................................................................................................. 106 DRAFT INDUCER FAILS TO OPERATE..................................................................................................................................... 106 NOISY BLOWER WHEEL ........................................................................................................................................................ 106
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GARN® WHS 1000 and WHS 2000 Manual | © HY-C® Company LLC | October 2024
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