Nortron ECM SERIES Instructions Manual

8, 8 WIRING DIAGRAMS (CONT’D) Line voltage wiring: UL AWM 1015/1230, 600V, 105°C, VW-1,12 AWG; CSA TEW 600V, 105°C, FT1, 12 AWG. Low voltage wiring: same ratings as high voltage except 18 AWG. Critical Characteristics 1. If any of the original wire, as supplied, must be r…

1, ECM SERIES ELECTRIC FURNACE TEL.: 905-670-2500 FAX: 905-795-8311 CUSTOMER SERVICE TEL.: 1-888-882-7626 MISSISSAUGA, ONTARIO L5T 1H9 30042458A • Never tamper with the unit or its controls. User MUST contact a specialized contractor when a failure occurs. DO NOT ATTEMPT to repair. •…

6, 6 SERVICE PARTS 1 3 5 8 9 10 11 12 13 2 4 67 14 REPLACEMENT PARTS KEY NO. PART NO. DESCRIPTION 1 30270032 Automatic Limit 2 30030006 Season Select Switch 3 30030025 Speed Selector Switch 4 30280021 Thermostat Indicator Light 5 10941289 Motor 1/3 HP208/230 V for 21ECM10 and 21ECM15 10941290 …

4, Nortron ECM SERIES 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 fur…

7, WIRING DIAGRAMS 7 For the use of a two-stage heat thermostat or an outdoor thermostat, connect between W1 and W2. Make sure that the Season Select switch is set to the “Mild” Position. HI BLACK MED-HI BLUE MED-LO YELLOW LO RED FAN MOTOR SPEED COLOR WIRING …