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. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing the air conditioner. [. . . ] INSTALLATION DIAGRAM After the leak test, apply insulating material tightly so that there is no gap. When the piping is to be attached to a wall containing metals (tin plated) or metal netting, use a chemically treated wooden piece 20 mm or thicker between the wall and the piping or wrap 7 to 8 turns of insulation vinyl tape around the piping. To use existing piping, perform COOL operation for 30 minutes and pump down before removing the old air conditioner. ACCESSORIES (MXZ-4E83/5E102VA only) Check the following parts before installation. Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust. 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. 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. € 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. (More than 35 mm) • For future servicing, give extra length to the connecting wires. 1, 2) 2) Completely remove all burrs from the cut cross section of pipe. 3) • Aim the copper pipe downward while removing burrs to prevent burrs from dropping in the pipe. 3) Remove flare nuts attached to indoor and outdoor units, then put them on pipe having completed burr removal. € If flare is noted to be defective, cut off the flared section and do flaring work again. A (mm) Pipe diameter Nut Clutch Clutch Wing nut (mm) (mm) type tool type tool type tool for R410A for R22 for R22 ø6. 3 Smooth all around Die Flare nut Copper pipe Even length all around Good Copper pipe No good Tilted Uneven Burred Fig. 1) Apply a thin coat of refrigeration oil (G) to the flared ends of the pipes and the pipe connections of the outdoor unit. 2) Align the center of the pipe with that of the pipe connections of the outdoor unit, then hand tighten the flare nut 3 to 4 turns. [. . . ] € Using the OPERATING INSTRUCTIONS, explain to the user how to use the air conditioner (how to use the remote controller, how to remove the air filters, how to remove or put the remote controller in the remote controller holder, how to clean, precautions for operation, etc. PUMPING DOWN When relocating or disposing of the air conditioner, pump down the system following the procedure below so that no refrigerant is released into the atmosphere. 2) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe side of the outdoor unit. 3) Fully close the stop valve on the liquid pipe side of the outdoor unit. [. . . ]