Mitsubishi Electronics SPLIT-TYPE MSY-D30/36NA user manual

Summary of the content on the page No. 1

Required Tools for Installation
JG79A061H01
Phillips screwdriver 5/32 in. (4 mm) hexagonal
Level wrench
Scale Flare tool for R410A
MSZ-D30/36NA
Utility knife or scissors Gauge manifold for R410A
3 in. (75 mm) hole saw Vacuum pump for R410A
SPLIT-TYPE AIR CONDITIONERS
MSY-D30/36NA
Torque wrench Charge hose for R410A
INSTALLATION MANUAL
Wrench (or spanner) Pipe cutter with reamer
1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
• Be sure to read these safety precauti

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1-2. SELECTING THE INSTALLATION LOCATION INDOOR UNIT Note: Note: • It is advisable to make a piping loop near outdoor unit • Where cool air aspreads over the entire room. the signal from the wireless remote controller may not be so as to reduce vibration. • On a rigid wall to reduce the possibility of vibration. received. • Where it is not exposed to direct sunlight. location where continuous direct sunlight or excessive • Where it can be easily drained. OUTDOOR UNIT water can be avoided as

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14 in. (350 mm) or more 4 in. (100 mm) or more 8-11/16 in. (220 mm) or more 4-11/16 in. (120 mm) or more Wall hole cover (D) 1-4. INSTALLATION DIAGRAM Use the wall hole sleeve Indoor unit (C) to prevent indoor/out- Seal the wall hole door connecting wire (A) gap with putty (H). ACCESSORIES from contacting metal Check the following parts before installation. Wall hole Attach the pipe to parts in the wall and to sleeve (C) wall with pipe at- protect the wiring from tachment

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2. INDOOR UNIT INSTALLATION 2-1. ATTACHING THE INSTALLATION PLATE 2-13/16 in. (70 mm) or more Ceiling 5-1/8 in. (130 mm) or more for left • Find a stud in the wall to attach installation plate (1) horizontally on the wall with screws (2). and left back piping (using spacer) • To prevent installation plate (1) from vibrating, be sure to install the attachment screws in the holes indicated in the illustration. For added support, additional screws may also Installation plate (1) be installed in

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2-4. INSTALLING THE L-JOINT 1) Install L-joint (10) on the back of the unit. Position L-joint (10) according to the piping direction. (Fig. 1) In case of bottom piping (Fig. 2) • Cut L-joint (10) at the position shown in Fig. 3. • Remove union nut from the unit and install it to L-joint (10). • Flare end of L-joint (10). 2) Use two torque wrenches to tighten the nut. (tighten torque 65 N•m) (Fig. 4) 3) Install charge nut (9) to the liquid refrigerant piping, which connects the indoor and out- d

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Rear or bottom piping from the end. 2) Insert the piping and the drain hose into the wall hole sleeve (C), and attach the upper part of the indoor unit on the installation plate (1). 3) Check if the indoor unit is attached securely on the installation plate (1) by moving the unit to left and right. Cut off in case of down- 4) Attach the lower part of the indoor unit into the installation plate (1). ward piping. Right piping Note: Before performing the following, make sure that wiring is com

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A inch (mm) Tightening torque No good Good Nut Pipe diameter Clutch Clutch Wing nut inch ft•lb inch (mm) Copper type tool type tool type tool N•m (mm) (kgf•cm) pipe for R410A for R22 for R22 10 to 13 1/4 13.7 to Tilted Uneven Burred ø 1/4 (6.35) (140 to 0.06 to (17) 17.7 Fig. 1 Fig. 2 180) 0.08 (1.5 to 25 to 30 3/8 34.3 to 2.0) ø 3/8 (9.52) (350 to 0.04 to (22) 41.2 Burr Copper pipe 420) 0 to 0.02 0.06 Spare reamer (0 to 0.5) (1.0 to Pipe cutter 36 to 42 1/2 49.0 to 1.5) ø 1/2 (12.7

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4-2. TEST RUN 1) Insert power supply plug into the power outlet and/or Caution: turn on the breaker. • After test run or remote signal reception check, turn off the unit with the 2) Press the E.O. SW once. Test run will be performed E.O. SW or the remote controller before turning off the power supply. If this for 30 minutes. If the left operation indicator light blinks every 0.5 seconds, inspect the indoor/outdoor unit con- procedure is not performed, the unit will automatically begin oper