Carrier 48/50HJ004-014 specifications Unit Operation Flow Diagram

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	ENERGY RECOVERY
	SECTION
OUTSIDE AIR
EXHAUST AIR	CONDENSER	COMPRESSOR
EXHAUST AIR

MIXED AIR

ROOFTOP UNIT

EVAPORATOR

ROOF LINE

ROOM AIR

SUPPLY AIR

Fig. 17 — Unit Operation Flow Diagram

Fig. 18 — Fuse Box (48HJ012, 014 — 208/230-3-60 Units Only)

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Contents Contents Safety ConsiderationsGeneral Installation Duct Opening SizesSide View END View Side View Connector ALT GAS Power Control PKG. Accy Drain Hole Roof Curb Unit Size Accessory CRRFCURB001A00CRRFCURB002A00 Roof Curb Unit Size Accessory CRBTMPWR002A00CRBTMPWR003A00 CRBTMPWR004A00Unit Size Equipment Support Part NumberRear Right Left Side Front Right Side Page Page Page MAX Weight Make Electrical Connections48HJ008 w/62AQ200 Power Supply Disconnect Size Unit Nominal IFM ConvType Outlet FLA MCA Fuse or LRA Hacr BKR HacrHeater Single Disconnect SizePoint BOX Type30.8 025 Cont Power Supply Disconnect Size Unit Fuse or Nominal IFM ConvType Outlet FLA MCA LRA Hacr BKR 40.7 47.7 119 Type Outlet FLA FLA LRA Hacr BKR60.1 Crheater Fuse or Point BOX 68.0 420 68.0 82.8 519/519 017 21.7 25.0 Power Wiring Connections Low Voltage Connections Units with PremierLink Controls Set the Outdoor Cooling and Heat- ing Thermostats Light Commercial Thermidistat Accessory Height Width DepthInstall Light Commercial Thermidistat Light Commercial Thermidistat Keypad To Test FAN Operational Information Service PRE-START-UPSTART-UP Unit Operation Flow Diagram Cooling HeatingTroubleshooting Typical Wiring Schematic Standard Controls Typical Wiring Schematic with PremierLink Controls Heating and Cooling Troubleshooting Problem Cause RemedyCopyright 2002 Carrier Corporation Rooftop Unit RTU and Energy Recovery AQ START-UP Checklist Preliminary Information RTUIII. START-UP IV. Light Commercial Thermidistat Accessory III. START-UP