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Manafacture: Cadet File size: 682.49 kb File name: Language of manual:

Wire rated at 600 volts and 75.C is satisfactory for branch circuit connections. Either copper or aluminum conductors may be used. NOTE: the center Power Control Access Door WiringWiring box terminal on the three pole junction block is used only for 3-phase operation. Knockout Knockout 5. Each heater has a wiring diagram on the inside of the access door. Consult this Figure 9 diagram before making any field connections. Knockout locations Turn Captive Fastener BACK Wiring Instructions CAUTION – READ THESE INSTRUCTIONS CAREFULLY WHEN USING ALUMINUM WIRING 1. Carefully strip insulation from aluminum conductors and coat ends of conductors with suitable corrosion inhibitor (“Pentrox A” or equivalent). 2. Wire brush aluminum surface, removing corrosion; re-coat with corrosion inhibitor. 3. Connect aluminum wiring and tighten connection securely. CAUTION: Do not exceed pressure needed for making a typical copper connection. 4. Coat entire connection with inhibitor. 5. All connections using aluminum conductors should be periodically re-checked for tightness. 6. NOTE: DO NOT JOIN ALUMINUM CONDUCTORS DIRECTLY TO COPPER. DUAL RATED 240/208 VOLT MODELS: All 240 volt models may be operated at 208 volts with a corresponding reduction in output. FRONT Terminal block Factory wired forsingle phasepower (linevoltage control models). Heater elements Orangewire Figure 10 Orangewire Junction block for field wiring Red wire BACK 3-Phase Connections Single or 3-phase power connections may be used on 240/208 volt, 5 KW models. These units come factory wired for single-phase power but may be wired for 3-phase power by reconnecting two wires. This is done as follows: Models with Line Voltage Control (See Figures 10 and 11) a. Disconnect the orange wire from the junction block terminal and connect it to the orange wire on the small terminal block and, b. Disconnect the red wire from the junction block and connect it to the terminal in the center of the block. FRONT Terminal block Wired for Orangewire 3-phase power (line voltage Heater elements control models) Figure 11 Orangewire Junction block for field wiring Red wire BACK NOTE: Supply wires must feed direct from breaker to junction block. Thermostat wires connect to terminal board. See wiring diagram. Control Voltage Wiring 1. A knockout is also provided in the back of the unit for control wiring. This knockout is sized for 1/2” conduit. (See Figure 12) 2. Thermostat wire shall be as follows: a. Line voltage control: Use NEC Class 1, 600V, 90.C, AWG #10 wire with copper conductor or same gauge wire as supply line. 3. Install wall thermostats in accordance with the installation instructions supplied with the thermostat. NOTE: Do not locate thermostat in an area exposed to unusual temperature conditions or poor air circulation. NOTE: Line voltage control model of 5KW rating that is 208 and 240 volt, wired for 3-phase operation, should not be used with a wall thermostat. H1H2P1P2F2F1Figure 12 Thermostat wiring connections...

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