Nortron D Series Installation And User Manual
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- Installation and operating instructions manual (21 pages) ,
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Summary of Contents for Nortron D Series
- Page 1 NSTALLATION AND ANUAL D SERIES ELECTRIC FURNACE FB0004 : 21D10, 21D15, 21D18, 21D20, 21D23, 21D25 21D27 ODELS IMPORTANT READ AND SAVE THESE INSTRUCTIONS 30042524B...
- Page 2 WARNING • Never tamper with the unit or its controls. User MUST contact a • This furnace is not watertight and is not designed for outdoor specialized contractor when a failure occurs. DO NOT ATTEMPT installation. This furnace shall be installed in such a manner as to to repair.
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Page 3: Table Of Contents
ABLE OF ONTENTS 1. DIMENSIONS .............................. 3 2. GENERAL REQUIREMENTS AND SPECIFICATIONS ................4 3. OPERATING OPTIONS ..........................5 4. BREAKERS ..............................5 5. INSTALLATION NOTES ..........................6 5.1 C ............................... 6 ETURN 5.2 E ..........................6 LECTRICAL IRING OWER UPPLY 5.3 C .................... -
Page 4: General Requirements And Specifications
2. G ENERAL EQUIREMENTS AND PECIFICATIONS CAUTION This unit must be installed in a dry place, in a non-corrosive, well-ventilated environment, without excessive dust. The ambient temperatue must be over 10°C and under 27°C. If the ambient temperatue is 10°C or less, the plenum must be insulated on 10 ft linear minimum length. -
Page 5: Operating Options
4. B REAKERS D Series furnaces are equipped with breakers, located on the front panel of the unit. These devices protect the heating elements from overcurrent. If this situation occurs, the breakers will open to cut the power from the heating elements only. -
Page 6: Installation Notes
5. I NSTALLATION OTES 5.1 C ETURN The duct can be attached to either side, rear or the bottom of the furnace. For side return there are four 1½” (38 mm) knockouts which can be removed and used as an outline for cutting a 18” x 18” (457 mm x 457 mm) return air opening in the furnace left or right side. -
Page 7: Using Optional Equipment
7. U SING PTIONAL QUIPMENT 7.1 T TAGE OR UTDOOR HERMOSTAT (The HEAT ACTIVATION switch must be in the S position). Follow the directions supplied with the two-stage or outdoor thermostat in conjunction with the furnace wiring diagram. 7.2 A THERMOSTAT ONDITIONING Your furnace is equipped with all the controls required for the addition... - Page 8 8. W IRING IAGRAMS WARNING Risk of electric shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all panels before operating. Failure to do so can result in electric shock causing severe injuries or death. 21D10 Model Open: 93.3°C MRTP 1 MRTP 2 HEAT 2...
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Page 9: Wiring Diagrams
8. W ’ IRING IAGRAMS CONT WARNING Risk of electric shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all panels before operating. Failure to do so can result in electric shock causing severe injuries or death. 21D18 & 21D20 Models Open: 93.3°C MRTP 1 MRTP 2... - Page 10 8. W ’ IRING IAGRAMS CONT WARNING Risk of electric shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all panels before operating. Failure to do so can result in electric shock causing severe injuries or death. 21D23 & 21D25 Models RLY PWR2 HEAT5 HEAT6...
- Page 11 8. W ’ IRING IAGRAMS CONT WARNING Risk of electric shock. Disconnect power before installation, servicing, maintenance or field wiring. Replace all panels before operating. Failure to do so can result in electric shock causing severe injuries or death. 21D27 Model RLY PWR2 HEAT 5 HEAT5...
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Page 12: Service Parts
PARTY REPLACEMENT PART USED MAY CAUSE SERIOUS DAMAGE AND DRASTICALLY REDUCE THE PERFORMANCE LEVEL OF YOUR UNIT WHICH WILL RESULT IN PREMATURE FAILING NORTRON RECOMMENDS TO CONTACT A CERTIFIED SERVICE DEPOT FOR ALL REPLACEMENT PARTS AND REPAIRS - 12 -... -
Page 13: Maintenance
10. M AINTENANCE MOTOR: The motor is lubricated for life and needs no oiling. FILTERS: Size is 20” x 20” x 1” (508 mm x 508 mm x 25 mm). Should be inspected and replaced when dirty. Ordinarily replacement is required twice per heating season and, perhaps, a third time if continuous blower operation is used. NOTE: Each element has an automatic reset thermal cut-out which is set to open at 160°F (71°C).
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