Munchkin 199VWH Installation & Operating Instructions Manual Download Page 40 | Manualshive

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Summary of Contents for 199VWH

Page 1: ...ighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency...

Page 2: ...NTING 2 PIPE ONLY THIS IS A SEALED COMBUSTION APPLIANCE THIS HEATER INSTALLATION MUST CONFORM TO THE LATEST EDITION OF THE NATIONAL FUEL GAS CODE ANSI Z223 1 NEPA 54 AND OR CAN CGA B149 INSTALLATION C...

Page 3: ...Condensate Removal 16 PART 5 19 thru 29 PIPING A Expansion Tank 19 B High Velocity Circulator Pump 19 PART 6 29 thru 33 START UP PROCEDURES A Sequence of Operation 29 B Items to be checked before ligh...

Page 4: ...nt The Munchkin VWH will activate the blower motor for a pre purge of 5 seconds before going into operation Once in operation the Munchkin controller will now start to modulate the pre mix burner base...

Page 5: ...GAL 721 GAL 399 VWH 40 120 562 GPH 615 GAL 641 GAL 399 VWH 40 130 500 GPH 553 GAL 579 GAL 399 VWH 40 140 450 GPH 503 GAL 529 GAL 399 VWH 40 150 409 GPH 462 GAL 488 GAL 399 VWH 40 160 375 GPH 428 GAL...

Page 6: ...6 GENERAL INFORMATION DIMENSIONS Figure 1 2...

Page 7: ...to Figure 1 1 for the recommended clear ance to allow for reasonable access to the boil er Local codes or special conditions may require greater clearances COMBUSTION AND VENTILATION AIR 1 The Munchk...

Page 8: ...om freezing do not plug or cap the pressure relief valve GENERAL INFORMATION NOTICE Service clearance of the Munchkin 1 The front of the appliance needs 24 of clearance for service minimum It may have...

Page 9: ...ints in the electrical compartment that must be connected to the building ground system Connect the building ground to the green ground screw and the green ground wire inside electrical box provided T...

Page 10: ...ent is a higher test pressure than the maximum inlet pressure you must isolate the Munchkin from the gas line In order to do this you must shut the gas off using factory and field installed gas cocks...

Page 11: ...stand by static mode and while in operating dynamic mode If an in line regulator is used it must be a minimum of 10 feet from the Munchkin It is very important that the gas line is prop erly purged b...

Page 12: ...iping at the wall penetration to the Munchkin must be CPVC Schedule 40 or 80 to meet local fire codes The balance from the penetrated wall to the outside may be PVC Schedule 40 or 80 INTAKE VENT Use t...

Page 13: ...e the exhaust plume or conden sation liquid will cause obtrusive or dangerous conditions Or refer to National Fuel Gas Code CAN B149 3 Never install a heat saver or similar product to capture waste he...

Page 14: ...nation This condensate can freeze on exterior building surfaces which may cause discoloration of these surfaces Consideration should be given to the plume of condensation that exits the exhaust which...

Page 15: ...Total of 4 Equivalent Piping with Fittings 62 Equivalent Feet Total Friction Loss in Equivalent Feet for both 3 and 4 30 62 92 Equivalent Feet 92 Equivalent Feet D HEATER REMOVAL FROM A COMMON VENT SY...

Page 16: ...on of the common venting system the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Appendix G in the National Fuel Gas Code ANSI Z 2...

Page 17: ...e Always increase pipe in vertical position Never increase pipe size in horizontal position Figure 4 3 Sidewall Vent with V1000 or V2000 kit for standard floor units 3 piping for 199VWH 4 piping for 3...

Page 18: ...low drainage of condensate Always increase pipe in vertical position Never increase pipe size in horizontal position Figure 4 6 Roof Vent with 3 concentric vent kit KGAVT0601CVT for standard floor uni...

Page 19: ...ack flow device built into the system to prevent a back flow of water back into city mains Some states require back flow pre venters on all incoming water supplies Under these circumstances you will n...

Page 20: ...e spring loaded check valve hose bib boiler drain diaphragm type expansion tank for potable water anti scald rated mixing valve pressure gauge pressure relief valve or P T relief valve union Munchkin...

Page 21: ...nimum pipe size for connecting to a water storage tank is 1 inch 5 The minimum pipe size for connecting a Munchkin boiler is 1 25 inches for 199 VWH and 2 inches for 399 VWH 6 All pumps are shown with...

Page 22: ...uously 4 The minimum pipe size for connecting to a water storage tank is 1 inch 5 The minimum pipe size for connecting a Munchkin boiler is 1 25 inches for 199 VWH and 2 inches for 399 VWH 6 All pumps...

Page 23: ...isolation The alternative is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check val...

Page 24: ...tion The alternative is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8...

Page 25: ...native is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install vacuum...

Page 26: ...native is standard flanges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install vacuum...

Page 27: ...nges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install vacuum relief valve in accor...

Page 28: ...nges with full port ball valves and a separate flow check valve 7 Install a minimum of 12 diameters of straight pipe upstream of all circulators and check valves 8 Install vacuum relief valve in accor...

Page 29: ...mperature set point the gas valve is closed and the control enters a post purge state the blower will be on maximum speed 6 When the post purge is complete the control enters an idle state while conti...

Page 30: ...ce operation and service circulator replacement condensate trap control replacement etc D OPERATING INSTRUCTIONS 1 STOP Read the safety information in Part 6 2 Turn off all electric power to the appli...

Page 31: ...ment if needed Listed below are the recommended limits on each Munchkin Heater and the Combustion Settings Automatic modulation does not take place when the controller is in Test mode only temperature...

Page 32: ...G N I R I F H G I H s a G l a r u t a N P L e n a p o r P w o l h g i h w o l h g i h m p p O C n o b r a C e d i x o n o M m p p 0 2 0 m p p 5 3 1 m p p 0 7 m p p 0 2 0 m p p 0 5 1 0 7 O C n o b r a...

Page 33: ...N THE THROTTLE NEEDS TO BE ADJUSTED IT IS VERY IMPORTANT THAT A COMBUSTION ANAYLYZER BE USED TO ENSURE SAFE AND PROPER OPERATION TURN THE ADJUSTER TO THE TO INCREASE GAS OR THE TO DECREASE THE GAS SUP...

Page 34: ...this error if uncorrected will go into a fault condition as described is Paragraph C Boiler Fault C BOILER FAULT 1 When a fault condition occurs the controller will illuminate the red fault indication...

Page 35: ...c o l b e u l f y n a k c e h C 0 1 F r e l i o b e h T l a n g i S e m a l F f o s s o L e h t e r o f e b s e m i t 4 t h g i l e r l l i w t u o k c o l s i h t o t n i s e o g l o r t n o c n o i...

Page 36: ...ler Resistance ohms 32 32550 41 25340 50 19870 59 15700 68 12490 77 10000 86 8059 95 6535 104 5330 113 4372 122 3605 131 2989 140 2490 149 2084 158 1753 167 1481 176 1256 185 1070 194 915 203 786 212...

Page 37: ...zed Heat Transfer Products Representative or Certified Installing Contractor See coil cleaning instructions Section D Burner check burner for deterioration If deterioration is observed replace burner...

Page 38: ...e chemical penetrate for at least 15 minutes or until it drains 3 Use the nylon stainless or brass brush do not use steel and scrub coils to remove any buildup then vacuum the debris from the coils 4...

Page 39: ...39 MAINTENANCE STANDARD 925 CONTROL WIRING LAYOUT FOR 199VWH Fig 8 1 925 CONTROL WIRING LAYOUT FOR 399VWH Fig 8 2 E MUNCHKIN CONTROLLERS...

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Page 43: ...NOTES 43...

Page 44: ...LP 147 REV 7 7 04...

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