A-Maize-Ing Heat NRP620-9, Installation Manual

Page 1: ...INSTALLATION MANUAL MODEL NRP620 9 FURNACE MODEL 14 BIN 899 South Prairie Lane P O Box 500 Marshfield MO 65706 PHONE 417 859 6067 FAX 417 859 2109 ...

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Page 3: ...CCESSIBILITY 6 Combustion Air Requirements 7 Venting 8 Important Vent Installation Requirements 8 Listed Chimney 9 Masonry Chimney 9 FURNACE UNPACKING AND SET UP 12 STORAGE BIN 14 VIBRATOR MOUNTING INSTRUCTIONS 15 THERMOSTAT WIRING 16 ELECTRICAL WIRING 17 BURNER LIGHTING 18 OPERATION 19 CLINKER BUILDUP 20 SUMMARY OF SETTINGS OPERATION 20 Power Failure Considerations 21 Storage Bin Model 14 22 ...

Page 4: ...chimney flue serving another appliance 7 Allow the furnace to cool before servicing 8 Disconnect all power to the unit before performing routine maintenance or service 9 Establish a regular service and maintenance schedule for efficiency and safe operation 10 Have a qualified service person perform tasks with which you are not familiar 11 Caution Children and adults should be alerted to the potent...

Page 5: ... The A Maize Ing Heat furnace is for use as a primary heat source This unit is not designed to be installed as an add on furnace If you plan to use the A Maize Ing Heat furnace in conjunction with another furnace install safety measures to prevent air back feed from one furnace to the other Failure to take this precaution could cause either furnace to overheat Required Tools Flat bit screwdriver 7...

Page 6: ...um distances from a combustible surface Top 32 Either side 18 Front 30 Rear most surface 18 The A Maize Ing Heat furnace can be installed on a combustible floor if a non combustible material is placed directly under the ash removal door and chimney connector The mat is to extend at least 16 in front of and 8 to each side of the ash removal drawer and 2 either side of the chimney connector 18 24 36...

Page 7: ...stalled with the metal hot air plenum connected to metal hot air duct work and metal cold air return plenum joined to return air system This unit is not designed to be installed as an add on furnace If you plan to use the A Maize Ing Heat furnace in conjunction with another furnace install safety measures to prevent air back feed from one furnace to the other Failure to take this precaution could ...

Page 8: ...cal building inspector and fire marshal and conform to all local state provincial and national codes Venting may be provided using a lined masonry chimney or a class A listed chimney The chimney serves two purposes 1 Provide draft to the furnace for the continuous supply of fresh air into the appliance making proper combustion possible 2 Exhaust smoke and combustion gases resulting from the burnin...

Page 9: ...rnace The A Maize Ing Heat furnace requires 0 02 0 04 inches water column draft chimney draft on low fire to assure proper operation Low fire mode is when the thermostat is satisfied and fuel is not being augered into the burner When the chimney draft is too high burner fire may go out If the chimney draft is too low smoke may back up in the furnace and storage bin causing a possible hazard The su...

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Page 12: ...hex nuts x 16 I BURNPOT AUGER J BIN AUGER K FILTER already installed L POKER M HOSE CLAMP N VIBRATOR 1 After removal of shipping materials remove the furnace from the pallet by removing the three shipping screws securing the furnace to the pallet One 1 screw is accessible by removing the filter door The remaining two 2 are removed from under the pallet 2 Remove auger motor assembly and Furnace Ass...

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Page 14: ...ghten auger boot clamp securely It is advisable to install two sheet metal screws through the clamp auger boot and into the hopper bin outlet to ensure a permanent connection Install fuel delivery coupler between bin auger tube and furnace fuel inlet 3 Fasten flex conduit extending from storage bin auger assembly to furnace auger motor housing using conduit lock nut 4 Connect one black auger motor...

Page 15: ...ed Open face of J box facing away from hopper body See figure 2 3 Secure the vibrator to the hopper with fender washers and lock nuts on the inside of the hopper See figure 3 4 Connect the flex conduit to the bin auger motor housing 5 Connect the vibrator red wire to the red wire in the auger motor housing and the white vibrator wire to the black and two white wires in the hopper feed auger motor ...

Page 16: ... box Note There is also a C terminal on the relay Positively identify these terminals before connecting the thermostat wire Connecting a thermostat wire to the C terminal will permanently damage the relay The location of the thermostat has an important effect on the operation of your furnace Be sure to follow the instructions included with your thermostat ...

Page 17: ...onform to your local codes and ordinances or with the National Electrical Code If you are not familiar with wiring and codes in general have a competent electrician do this job Make connections to the furnace junction box from a dedicated 120VAC 15 amp fused circuit black to black white to white and ground to ground terminal located inside junction box Solder and tape or use wire nuts on all conne...

Page 18: ...t suggested because of excessive clinker build up and problems with fire extinguishing caused by the treatment used on the corn 1 Add dry 15 or below moisture clean USDA 3 or better corn wood pellets or other biomass fuel to holding bin See IMPORTANT and CAUTION above 2 Turn on the electric power to the furnace 3 Turn thermostat to highest setting 4 Fill burner pot with biomass fuel to the lower s...

Page 19: ... off the fuel feed system 4 The furnace timer will activate augering a specified amount of fuel to sustain burner fire LOW FIRE Timer is factory set at two 2 minutes ON and six 6 minutes OFF This is a suggested setting actual setting can be varied with user experience and fuel used 5 Furnace blower will continue to run until heat is removed from furnace NOTE The furnace blower has three 3 speeds L...

Page 20: ... the same rate it is augered in The variable Btu timer relay controls the auger drive rate It comes set from the factory at 15 seconds ON red indicator and 15 seconds OFF green indicator Allow the furnace to run for 4 hours then evaluate if adjustment is necessary LOW FIRE Adjustment of the chimney draft controls the rate of burn on the low fire mode of operation Chimney draft must remain below 0 ...

Page 21: ...the manual setting while the furnace is in operation may cause the furnace to shut down automatically on the low temperature control The manual position may be used for summer operation Power Failure Considerations In the case of a short period power outage the furnace will continue to burn the fuel in the burn pot and will resume normal operation when power is restored If the power outage is for ...

Page 22: ...NRPIM620 9 20131212 Rev 1 Page 22 of 24 Storage Bin Model 14 KEY PART NUMBER PART DESCRIPTION PART DESCRIPTION 1 7520 BIN LID 2 7500 BIN CAVITY 3 7510 BIN BASE ...

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Page 24: ...NRPIM620 9 20131212 Rev 1 Page 24 of 24 899 South Prairie Lane P O Box 500 Marshfield MO 65706 PHONE 417 859 6067 FAX 417 859 2109 ...