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Chapter 2: Installing your PEC Plus Phason Connecting single-stage heating or cooling elements Heating or cooling elements include equipment such as electric heaters, furnaces, single-speed fans, and curtains. The ratings of the equipment must not exceed the ratings of your PEC Plus’ relays. PEC Plus relay ratings: 10 A at 120/230 VAC, general-purpose (resistive) 1/3 HP at 120 VAC, 1/2 HP at 230 VAC 360 W tungsten at 120 VAC Refer to Appendix D: Installation worksheet on page 82 and Appendix E: Configuration worksheets on page 84 when installing single-stage heating or cooling elements. To connect single-stage heating or cooling elements Connect single-speed heating or cooling elements to your PEC Plus as shown below. Gas-fired furnace or brooder All other single-speed heating or cooling elements STG-1 STG-1 Thermostat inputs L1 L1 L2/NEUTRAL Junction box L2/NEUTRAL Gas furnaces using hot-surface ignition or glow plug can draw more current than indicated on their nameplate and require power contactors. For more information, read your furnace dealer. 16 2010-12-07
