TM 5-3895-374-24-1WARNINGTurn off electrical power at fuse box or service panelbefore making any electrical connections. Severeelectrical shock may result unless power is turned off.WIRING-MAIN POWERUnit must be Installed In compliance with NEC and localcodesRefer to electrical data on the unit data label and thetable on Page 8 of these installation Instructions, for fieldwiring requirements The electrical data lists heater sizes,fuse and wire sizes (60°C copper) for all models Alsoshown are the number of field power circuits required forthe various models with heatersNOTEPOWER SUPPLY SERVICE MUST BE WITHINALLOW ABLE RANGE (+10%-5%) OF RATEDVOLTAGE STAMPED ON THE UNIT RATINGPLATE. TO OPERATE UNIT NOMINAL 208V/230VAT 208V, CHANGETHE TRANSFORMER LINE TAPFROM 240V TO 208VRefer to the unit data label for wire sizing information andmaximum fuse or "HACR Type" circuit breaker size Eachunit Is marked with a "Minimum Circuit Ampacity" Thismeans that the field wring must be sized to carry thatamount of current On single phase models anddependent on the installed KW of electric, it may bepossible to Use two (2) field power circuits in place ofone larger power supply circuit Use "Copper ConductorsOnly" Refer to the National Electrical Code for completecurrent carrying capacity data on the various insulationgrades of wiring materials(page 3-491)
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