Manuale UtenteSommarioService Hints31For more information, contact these publishers:3Sequence of Operation32General & ANSI Z535.5 Definitions4Pressure Service Ports32Lowering Outdoor Fan Speed for Sound32I-TEC Model Nomenclature5Defrost Cycle33Shipping Damage, Unit Removal From Skid8Handling Unit After Removal From Skid8Gen. Description, Control Wiring & Rec. Seq.34Required Steps after Final Placement9Setting the Ventilation CFM Levels34Minimum Installation Height9Duct Work, Supply Duct Connections & Filters17Description & Control Wiring37Condensate Drain18Setting the Ventilation CFM Levels37With No Vent Option and With CRV & ERV18Economizer Seq. of Operation38Heating & Vent Mode39Mounting the Unit & Wiring — Main Wiring21General Description & Control Wiring40Recommended Control Sequences41R-410A Refrigerant Required30Topping Off System Charge30Changing to Fully Modulating Mode41Safety Practices30Configuring Control for ERV Mod. Control47Description of Standard Equipment31Maintenance (Gen., Frequency, Clean & Perform.)49Important Installer Note31Phase Monitor31Three Phase Scroll Compressor31Checking Temperature Sensor52Replacing the Motor54Figure 1 Unit Dimensions7Troubleshooting Indoor ECM™ Motor55Figure 2A & 2B Unit on Lift & Unit Side8Fan Blade Setting Dimensions57Wall Mounting Bracket Location9Refrigerant Charge57Bracket Wall Sect. View & Wood Framed Install10Figure 3 Center of Gravity11Figure 4 Req. Clearances & Rec. Access12Figure 5 Compressor Shipping Bolts13Figure 29 Hub Assembly w/Ball Bearings50Figure 6 Removal of Air Duct13Figure 30 Control Disassembly56Figure 7A Ducted Application14Figure 31 Winding Test56Figure 7B 3" Riser Application15Figure 32 Drip Loop56Figure 7C 6" Riser Application16Figure 33 Control Connector Motor Half57Figure 8 Supply Duct Connections17Figure 9 Filter Location17Figure 10 Drain Locations18Table 1 Factory Built-In Electric Heat Table5Table 1A Indoor Blower Performance5Figure 12 Component Location21Table 2 Elec. Specifications6Figure 13 Basic Heat Pump w/No Vent Pkg.23Center of Gravity Reference Table11Figure 14 HP w/CRV, without CO2 Control24Table 3 Operating Voltage Range22Figure 15 HP with CRV & CO2 Control25Table 4 Wall Thermostats22Figure 16 HP with ERV, w/o CO2 Control26Low Voltage Connections for DDC Control22Figure 17 HP with ERV & CO2 Control27Figure 18 HP w/ERV & CO2 Control (Fully Mod.)28Summer Cooling & Winter Heating42Table 5 Troubleshooting51Figure 20 Defrost Cycle33Table 6 Temp. vs Resistance of Temp. Sensor52Figure 21 CRV Motor Speed/CFM Configuration35Table 7 Troubleshooting ECM™ 142R54Figure 22 CRV Speed Change Terminal Access36Table 8 Cooling Mode54Figure 23 Economizer Control Circuit38Table 9 Heat Pump Mode54Figure 24 Motor Speed / CFM Configuration39Troubleshooting ECM™ Blower Motors57Fig. 25A ERV Manual Mode "M" Terminal43Power Connector57Fig. 25B ERV Mod. Mode "P" Terminal43Table 10A Pressures: Full Load Cooling58Figure 26 Ventilation Airflow Diagram44Table 10B Pressures: Full Load Heating58Figure 27 ERV Control Access45Table 11A Pressures: Part Load Cooling59Figure 28 Control Board Config./Setting46Table 11B Pressures: Part Load Heating59Dimensioni: 1,91 MBPagine: 59Language: EnglishApri il manuale