User manual MITSUBISHI MXZ-4E83VA

[. . . ] Installation Manual For INSTALLER • This manual only describes the installation of outdoor unit. When installing the indoor unit, refer to the installation manual of indoor unit. 7 Required Tools for Installation Phillips screwdriver Flare tool for R410A Level Gauge manifold for R410A Scale Vacuum pump for R410A Utility knife or scissors Charge hose for R410A Torque wrench Pipe cutter with reamer Wrench (or spanner) 4 mm hexagonal wrench 1. bEFORE INSTALLATION • • • • 1-1. [. . . ] Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust. Refer to the figure in the right for concrete foundation. Do not use the drain socket and the drain caps in the cold region. Drain may freeze and it makes the fan stop. Remove the tape on the panel when opening the package. 1) Remove the service panel and the cable cover. 2) Pass the indoor/outdoor unit connecting wire (B) and power supply cord (A) through the grommet. Loosen terminal screw, and connect indoor/ outdoor unit connecting wire (B) from the indoor unit correctly on the terminal block. Fix the wire to the terminal block securely so that no part of its core is appeared, and no external force is conveyed to the connecting section of the terminal block. 3) Firmly tighten the terminal screws to prevent them from loosening. After tightening, pull the wires lightly to confirm that they do not move. 6) Fix indoor/outdoor unit connecting wire (B) and power supply cord (A) with the cable clamps. Route the cables or wires so as not to deform the service panel. Otherwise, rainwater may enter the outdoor unit. 7) Close the service panel and the cable cover securely. € After making connections between both power supply cord (A) and indoor/outdoor unit connecting wire (B), be sure to fix both cable and wire with cable clamps. Connecting order • Connect the terminal block in following order. CONNECTING WIRES FOR OUTDOOR UNIT Terminal block for power supply Cable cover Cable clamp 5E102VA Service panel Screws MXZ-5E102VA A→B→C→D→E→P MXZ-4E83VA A→B→C→D→P MXZ-2E53VAHZ A→B→P Power supply Terminal block for indoor/outdoor unit Indoor/outdoor unit connecting wire <OUTDOOR UNIT> Terminal block for power supply Terminal block Terminal block 15 mm 35 mm Model MXZ-5E102VA MXZ-4E83VA MXZ-2E53VAHZ INDOOR / OUTDOOR UNIT A–E A–D A–B Terminal block Terminal block POWER SUPPLY ~/N 230 V 50 Hz Lead wire <INDOOR UNIT> • Be sure to attach each screw to its correspondent terminal when securing the cord and/or the wire to the terminal block. € Make earth wire a little longer than others. (More than 35 mm) • For future servicing, give extra length to the connecting wires. FLARING WORK 1) Cut the copper pipe correctly with pipe cutter. 1, 2) 2) Completely remove all burrs from the cut cross section of pipe. [. . . ] 3) Fully close the stop valve on the liquid pipe side of the outdoor unit. 5) Start the emergency COOL operation on all the indoor units. 6) When the pressure gauge shows 0 – 0. 5 kgf/cm2), fully close the stop valve on the gas pipe side of the outdoor unit and stop the operation. [. . . ]