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I

NSTALLATION AND

U

SER

M

ANUAL

D SERIES ELECTRIC FURNACE

M

ODELS

: 21D10, 21D15, 21D18, 21D20, 21D23

AND

21D25

IMPORTANT: READ AND SAVE THESE INSTRUCTIONS.

NORTRON; Sherbrooke, Quebec www.dettson.ca 1-800-567-2733

2019-11-29

X40252A

Summary of Contents for 21D10

Page 1: ...ON AND USER MANUAL D SERIES ELECTRIC FURNACE MODELS 21D10 21D15 21D18 21D20 21D23 AND 21D25 IMPORTANT READ AND SAVE THESE INSTRUCTIONS NORTRON Sherbrooke Quebec www dettson ca 1 800 567 2733 2019 11 2...

Page 2: ...not block the combustion air openings in the furnace Any blockage will result in improper overheat situation and may result in a fire hazard and or cause bodily harm The unit must have an uninterrupte...

Page 3: ...Supply 6 5 3 Connecting and Adjusting the Low Voltage Thermostat 6 6 Use in Mobile Homes 7 7 Using Optional Equipment 7 7 1 Two Stage or Outdoor Thermostat 7 7 2 Air Conditioning 7 7 3 Electronic Air...

Page 4: ...he data label attached to the furnace 4 TEMPERATURE RISE Furnaces are shipped to operate at 0 20 W C 50 Pa external static pressure They are certified for operation up to 0 50 W C 125 Pa Check below f...

Page 5: ...ation can be controlled by the thermostat the fan speed is determined by this switch HIGH The blower motor will operate at low speed LOW The blower motor will operate at a higher speed During spring o...

Page 6: ...the electrician s responsibility to ensure that the wiring and connections are compliant to the latest editions of the Canadian Electrical Code and local codes 5 3 Connecting and Adjusting the Low Vo...

Page 7: ...nction with the furnace wiring diagram 7 2 Air Conditioning Your furnace is equipped with all the controls required for the addition of air conditioning except the heat cool thermostat The evaporator...

Page 8: ...on When the electric furnace is used in combination with another device as for example a wood burning furnace it is recommended to perform the connection by referring to the wiring diagram at right Th...

Page 9: ...RNING 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...

Page 10: ...iling Also Nortron recommends to contact a certified service depot for all replacement parts and repairs No Part No Description 1 30274131 24VDC Relay SPDT 2 L01H030 24VDC Relay DPST 3 30300022 Transf...

Page 11: ...mostat or its connecting wiring After the fault area is isolated by use of the thermostat a check of the following components can be made more efficiently Problem Possible defective parts or component...

Page 12: ...tation of repaired part or replaced product mentioned above and for reinstallation costs The duration of any implied warranty is limited to the sixty month period as specified for the express warranty...

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