Daikin ERQ100A7V1B Installation Manual

Also see for ERQ100A7V1B: Operation manual

Contents

ERQ100~140A7V1BInverter condensing unit4PW51321-1Installation manual12WHT ...................... WhiteYLW ....................... YellowORG ...................... OrangeBLK........................ BlackA1P........................ Printed circuit board (main)A2P........................ Printed circuit board (inverter)A3P........................ Printed circuit board (noise filter)A4P........................ Printed circuit board (C/H selector)BS1~BS5 ............... Push button switch (mode, set, return, test,reset)C1~C3 ................... CapacitorC4 .......................... CapacitorDS1........................ DIP switchE1HC ..................... Crankcase heaterF1U, F4U ............... Fuse (T 6.3 A/250 V)F6U........................ Fuse (T 5.0 A/250 V)FINTH .................... Thermistor (fin)H1P~H8P .............. Light emitting diode (service monitor orange)Prepare, test: blinkingH2P........................ Malfunction detection: light upHAP ....................... Light emitting diode (service monitor green)K1M ....................... Magnetic contactor (M1C)K1R........................ Magnetic relay (Y1S)K2R........................ Magnetic relay (Y2S)K3R........................ Magnetic relay (Y3S)K4R........................ Magnetic relay (E1HC)K5R........................ Magnetic relayL1R ........................ ReactorM1C ....................... Motor (compressor)M1F ....................... Motor (fan) (upper)M2F ....................... Motor (fan) (lower)PS.......................... Switching power supplyQ1DI ...................... Field earth leakage breaker (300 mA)R1 .......................... Resistor (current limiting)R2 .......................... Resistor (current sensor)R1T........................ Thermistor (air)R2T........................ Thermistor (discharge)R3T........................ Thermistor (suction 1)R4T........................ Thermistor (heat exchanger)R5T........................ Thermistor (suction 2)R6T........................ Thermistor (subcooling heat exchanger)R7T........................ Thermistor (liquid pipe)R8T........................ Thermistor (liquid pipe 2)S1NPH................... Pressure sensor (high)S1NPL ................... Pressure sensor (low)S1PH ..................... Pressure switch (high)V1R........................ Power moduleV2R, V3R............... Diode moduleV1T ........................ IGBT (Insulated Gate Bipolar Transistor)X1M ....................... Terminal strip (power supply)X1M ....................... Terminal strip (C/H selector) (A4P)X2M ....................... Terminal strip (control)Y1E........................ Electronic expansion valve (main)Y3E........................ Electronic expansion valve (subcool)Y1S........................ Solenoid valve (4 way valve)Y2S ........................ Solenoid valve (hot gas)Y3S ........................ Solenoid valve (unload circuit)Z1C~Z8C ............... Noise filter (ferrite core)Z1F~Z4F ................ Noise filterCool/heat selectorS1S ........................ Selector switch (fan/cool – heat)S2S ........................ Selector switch (cool – heat)Connector of option adaptorX37A ...................... Connector (option adaptor power supply)11.2. Precautions on electrical wiring work■ Before obtaining access to terminal devices, all supply circuitsmust be interrupted.■ Use only copper wires.■ Do not turn on the main switch until all the wiring is completed.Make sure that the main switch has a contact separation of atleast 3 mm in all poles.■ Never squeeze bundled cables into a unit.■ Secure the electrical wiring with clamping material as shown infigure 9 so that it does not come in contact with the piping,particularly on the high-pressure side.Make sure no external pressure is applied to the terminalconnectors.■ When installing the earth leakage breaker make sure that it iscompatible with the inverter (resistant to high frequencyelectrical noise) to avoid unnecessary opening of the earthleakage breaker.■ As this unit is equipped with an inverter, installing a phaseadvancing capacitor not only will deteriorate power factorimprovement effect, but also may cause capacitor abnormalheating accident due to high-frequency waves. Therefore, neverinstall a phase advancing capacitor.■ Follow the "electrical wiring diagram" when carrying out anyelectrical wiring.■ Always ground wires. (In accordance with national regulations ofthe pertinent country.)■ Do not connect the ground wire to gas pipes, sewage pipes,lightning rods, or telephone ground wires.■ Combustion gas pipes: can explode or catch fire if there is agas leak.■ Sewage pipes: no grounding effect is possible if hard plasticpiping is used.■ Telephone ground wires and lightning rods: dangerous whenstruck by lightning due to abnormal rise in electrical potentialin the grounding.■ This unit uses an inverter, and therefore generates noise, whichwill have to be reduced to avoid interfering with other devices.The outer casing of the product may take on an electrical chargedue to leaked electrical current, which will have to be dischargedwith the grounding.NOTE ■ This wiring diagram only applies to the outdoorunit.■ Refer to the wiring diagram sticker (on the back ofthe front plate) for instructions on how to useBS1~BS5 and DS1-1, DS1-2 switches.■ Do not operate the unit by short-circuitingprotection device S1PH.■ Refer to the installation manual for connectionwiring to the control box.