Daikin VRV-WII FXYCP30MY1 Installation Procedure

• Installation procedure• VRV ® Systems • Installation procedure161 Installation of outdoor1 - 7 Field wiring1 - 7 - 4 Examples• The transmission wiring between the outside units in the same pipe line must be connected to the Q1/Q2 (Out Multi) terminals.Connecting the wires to the (Out-Out) terminals results in system malfunction.• The wiring for the other lines must be connected to the F1/F2 (Out-Out) terminals of the PC board in the outside unit to which the transmissionwiring for the indoor units is connected.• The outside unit to which the transmission wiring for the indoor units is connected is master unit.• The transmission wiring between the outside units must be 30 m in length at maximum.[Setting the interlock circuit and pump operation output.]• Use insulated wires of the size as mentioned below having rated voltage of 250 V or higher:For single core: 1.25 mm² or larger (conduit pipe work)For multiple cores: 0.75 mm² or larger*The wiring for pump operation output is to be procured locally Pump operation output terminal (X2M) when water pump is linked with system operation, water pump operation circuit shall be set betweenterminals (1) and (2).Contact specification --- 220 VAC, 3mA-0.5A PC board (A1P) Mount an insulation sleeve. Connection of interlock circuitDo not forget to connect an interlock circuit (an auxiliary a-contact of electromagnetic switch for the water pump) to each outside unit.(Select without fail an auxiliary a-contact able to switch minimum load of DC15V, 1mA.)Connect to the terminal block (X3M) as shown in the bottom right of the sketch.For this unit, it is possible to make a lump-sum interlock of multiple outside unit using an adapter (sold separately as an accessory) for externalcontrol of outside units.For details of wiring connection, refer to “How to cen-tralized interlock wiring”.• When centralized interlock is done, see (3) “10-8-5 In case of a local setting”• No wiring to terminal block X3M is necessary when centralized interlock is employed• For RWEYQ20·30MY1, external/external connection wiring shall be done for master unit only. Outside unit A Outside unit B Outside unit C Adapter for external control Interlock circuit of water pump Out-Out connection wiring Use the conductor of sheathed wire (2 wire) (no polarity)Low noise OUT-OUT OUT-OUT OUT-OUT