Page 2 - ENGLISH; Contents; Page; ATTENTION INSTALLERS AND SERVICE TECHNICIANS!; AIR CONDITIONER WITH R-410A – QUICK REFERENCE GUIDE; position with the valve at the top.; Table I
4 2 P Q V / 3 8 V B H1:1 inverter Heat pump system ENGLISH GB - 1 For operation and maintenance instructions of this unit as well as installationinstructions, refer to owner ’s manuals. Contents Page General information ...................................................................................
Page 3 - General information; Unit installation
4 2 P Q V / 3 8 V B H GB - 2 General information Unit installation Read this instruction manual thoroughly before starting theinstallation. • This equipment contains R-410A refrigerant, a substance that is not depleting the ozone layer but must be disposedof in a proper manner. When disposing of the...
Page 4 - Dimensions and weight; Table II : Connections
GB - 3 4 2 P Q V / 3 8 V B H E N G L I S H Dimensions and weight Pipe diameter Pipe diameter Model Gas Liquid Gas Liquid (Suction) (Liquid) (Suction) (Liquid) mm inches 009 9.52 6.35 3/8” 1/4” 012 12.7 6.35 1/2” 1/4” Table II : Connections Outdoor unit Indoor unit Height difference Model 009 012 Max...
Page 5 - Minimum clearances and operating limits; Table III: Operating limits
4 2 P Q V / 3 8 V B H GB - 4 D E B A C F A Minimum clearances and operating limits Model 009-012 A mm 50 B mm 100 C mm 400 D mm 50 E mm 300 F mm 400 Maximum conditions outdoor temperature 46 ° C indoor temperature 32 ° C d.b.; 23 ° C w.b. Minimum conditions outdoor temperature 15 ° C indoor temperat...
Page 6 - Material supplied and system charge; System charge; Material supplied
GB - 5 4 2 P Q V / 3 8 V B H E N G L I S H Material supplied and system charge The following field-supplied items are required to complete the installation. Name Specification 009: Ø (3/8”) 9.52 mm (Gas) / Ø (1/4”) 6.35 mm (Liquid) Connection pipe 012: Ø (1/2”) 12.7 mm (Gas) / Ø (1/4”) 6.35 mm (Liqu...
Page 7 - Choosing the installation site; Indoor unit
4 2 P Q V / 3 8 V B H GB - 6 • Fix the unit with locally purchased bolts buried in the block to prevent overturning due to strong gusts of wind. • For heat pump models, unit must be adequately raised above floor surface. • To empty the condensate water to a drain while operating in heating mode, ins...
Page 10 - Installing the wall hanging bracket; Installation for indoor unit
4 2 P Q V / 3 8 V B H GB - 9 E N G L I S H • The piping can be connected in the four ways indicated by , , and . When the piping is connected to points , or , remove the knock-out either at the side or at the bottom of the unit. IMPORTANT NOTE:Indoor unit has no refrigerant expansion device. Install...
Page 12 - Flaring the ends of the tubing; Refrigerant connections; Connection to unit
4 2 P Q V / 3 8 V B H GB - 11 E N G L I S H Tightening torque Valve Flare nut Valve cap Pressure port cap Valve needle Pressure port Wrench mm Nm Wrench mm Nm Wrench mm Nm Wrench mm Nm Wrench mm Nm 1/4” 17 18 22 20 - - Allen(hex.)4 9 - 0.34 3/8” 22 42 22 20 17 16-18 Allen(hex.)4 9 - 0.34 1/2” 27 55 ...
Page 13 - Air purging
4 2 P Q V / 3 8 V B H GB - 12 Refrigerant connections Pipe Pipe insulation Fastening tape Three-way valve (liquid) Needle valve Valve cap Valve needle Allen (hex. head) wrench Three-way valve (liquid) Use only a vacuum pump to purge air from the piping. NEVER use the system compressor as a vacuum pu...
Page 15 - Check; Use of additional screws
4 2 P Q V / 3 8 V B H GB - 14 Check • Next, check the unit drain system by pouring some water into the unit drain pan and ensuring that it flows freely through thedrain hose and that there is no leakage from any other part. Use of additional screws After installation, if there is a significant gap b...
Page 16 - Indoor unit wiring; Electrical connection for indoor unit
4 2 P Q V / 3 8 V B H GB - 15 E N G L I S H Minimum connection wire size (mm 2 ) Model L N R C 1 009, 012 1.5 1.5 1.5 1.5 1.5 1.5 L N 1 IMPORTANT: • Make refrigerant connections before electrical connections.When disconnecting, disconnect electrical connections beforerefrigerant connections. • Make ...
Page 17 - Electrical connection for outdoor unit
4 2 P Q V / 3 8 V B H GB - 16 Electrical connection for outdoor unit Connecting cable, indoor-outdoor units (field wiring). Mains supply connecting cable (field wiring). Indoor unit Outdoor unit Main switch Time-delay fuse or circuit breaker (see table IV "Electrical data"). Terminal box leg...
Page 18 - Electrical connections; Table IV: Electrical data
GB - 17 4 2 P Q V / 3 8 V B H E N G L I S H Electrical connections Notes: 1. Outdoor unit is suitable for outdoor installation.2. Wire size shown applies to line length up to 15 m.3. The indoor - outdoor unit interconnecting wires must be H07 RN-F type (245 IEC 57) or higher, with synthetic rubber i...
Page 19 - Pump Down and refrigerant cycle; Refrigerant Cycle
4 2 P Q V / 3 8 V B H GB - 18 Pump Down and refrigerant cycle Gas Liquid + Gas Liquid Cooling cycle Heating cycle Legend: Outdoor coil Compressor Check valve Strainer Vapor valve Liquid valve Service pressure port Indoor until coil Liquid distributor Cooling + Heating expansion device Heating expans...
Page 20 - Operating test, address selector and fault code; Fault code; Operating test
4 2 P Q V / 3 8 V B H GB - 19 E N G L I S H Operating test, address selector and fault code Fault code Once a failure occurs with the indoor unit in operation,the green or orange LED flashes at intervals of 0.5 seconds.The fault code is deduced from the number of times the greenLED or orange LED fla...
Page 22 - Maintenance and troubleshooting; Troubleshooting
4 2 P Q V / 3 8 V B H GB - 21 E N G L I S H Maintenance and troubleshooting • Mains voltage wrong (too high or too low).• Condenser coil (outdoor or indoor, in case of heat pump operation) obstructed; remove obstructions. • Outdoor fan off; check cause and repair.• Wrong indoor unit thermistors repl...