Nortron B SERIES Installation And Operating Instructions Manual

Summary of B SERIES

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    30042431a b series electric furnace tel.: 905-670-2500 fax: 905-795-8311 customer service tel.: 1-888-882-7626 mississauga, ontario l5t 1h9 • never tamper with the unit or its controls. User must contact a specialized contractor when a failure occurs. Do not attempt to repair. • when using a humidif...

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    2 this furnace has been designed and manufactured to give the most reliable performance possible. Each unit has been given a running inspection before shipment to assure that every component is operating efficiently. The safe and dependable operation of the furnace depends upon proper installation a...

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    General requirements and specifications (cont’d) 3 10” x 8” (254 mm x 203 mm) blower speed flow rate static pressure (inches of water column) 0.2 0.3 0.4 0.5 0.6 low**** cfm l/s 756 357 749 353 740 349 729 344 713 337 med-low cfm l/s 1035 488 1018 480 997 470 971 458 935 441 med-high cfm l/s 1177 55...

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    4 installation notes 1. Cold air return 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 rig...

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    5 using optional equipment 1. A two-stage or outdoor thermostat (the season select switch must be in the m ild position.) these controls can be used on all furnaces except 10 kw model. Follow the directions supplied with the two-stage or outdoor thermostat in conjunction with the furnace wiring diag...

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    Service parts replacement parts time delay relays (sequencers) key no. Part no. Bottom second third 1 30270025 b15 b24-27 30270026 b10 b18-20-25-27 10940925 b15-18-20 10940926 b25-27 key no. Part no. Description 2 10940927 24 v fan relay 3 10940928 240 v fan relay (not in 21b10m) 4 30270032 automati...

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    Wiring diagrams 10 kw - 240 v o l t s - s ingle pha s e 15 kw - 240 v o l t s - s ingle pha s e nc nc no no 24v 240v 24v 24v nc nc nc no com no no 18-20 kw - 240 v o l t s - s ingle pha s e nc nc nc com no no connect 24 v r oom thermo s t a t between r a n d w 1 . U s e only cla ss 1 wiring in s ide...

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    The first step in identifying an operational problem is to determine whether the fault is in the furnace or in the thermostat and/or its connecting wiring. To help make this determination, the furnace is equipped with a “thermostat on” diagnostic light. If the light is “on”, it indicates the thermos...