Related Manuals for Mitsubishi Electric Air-Conditioners For Building Application
Summary of Contents for Mitsubishi Electric Air-Conditioners For Building Application
- Page 1 Air-Conditioners For Building Application INDOOR UNIT PMFY-P·NBMU-E INSTALLATION MANUAL For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
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Page 2: Table Of Contents
• The terminal block cover panel of the unit must be firmly attached. rectly installed unit may fall down and cause damage or injuries. • Use only accessories authorized by Mitsubishi Electric and ask a dealer or • The unit must be securely installed on a structure that can sustain its weight. -
Page 3: Installing The Indoor Unit
2. Installing the indoor unit 2.1. Check the indoor unit accessories (Fig. 2-1) The indoor unit should be supplied with the following spare parts and accessories (contained in the inside of the intake grille). Accessory name Q’ty Washer 4 pcs Washer (with insulation) 4 pcs Pipe cover... - Page 4 2. Installing the indoor unit 1 Wooden structures (Fig. 2-4) in. (mm) • Use tie beams (single storied houses) or second floor beams (two story houses) as reinforcing members. • Wooden beams for suspending air conditioners must be sturdy and their sides must be at least 2-3/8 in.
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Page 5: Installing The Refrigerant Piping
2. Installing the indoor unit 2.5. Fresh air intake hole (Fig. 2-8) in. (mm) 90° At the time of installation, use the hole (knock out) located at the positions shown in following diagram, as and when required. 9-13/16 (250) 11-3/8 (288.5) Note: Make sure that the fresh air intake is no more than 20% of the entire air intake (when the air flow speed is set to its highest setting). -
Page 6: Drainage Piping Work
3. Installing the refrigerant piping 3.3. Refrigerant piping 1) Indoor unit Installing procedures (Fig. 3-2) 1. Remove the flare nuts and caps from the indoor unit. 2. Flare-cut the liquid and gas pipes then apply refrigerating machine oil (to be lo- cally procured) over the flare-cut seat surface. -
Page 7: Electrical Work
5. Electrical work 5.1. Electric wiring (Fig. 5-1) * Make sure all electrical wiring is complete before installing the cover panel. 1. Secure the provided sheet metal for conduit with provided screws to the side of the unit (two screws). 2. - Page 8 5. Electrical work 5.4. Sensing room temperature with the built-in sensor in a remote controller If you want to sense room temperature with the built-in sensor in a remote controller, set SW1-1 on the control board to “ON”. The setting of SW1-7 and SW1-8 as neces- sary also makes it possible to adjust the air flow at a time when the heating thermom- eter is OFF.
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Page 9: Test Run
5. Electrical work 2) Connecting procedures (Fig. 5-7) 1 Connect the remote controller cord to the terminal block. A To TB5 on the indoor unit B TB6 (No polarity) 3) Temperature display setting The initial temperature display setting is °C. Please change the setting to °F. Refer to “Function selection of remote controller (Section 8)”... - Page 10 7. Installing the grille 7.3. Installing the grille • Open the intake grille by pressing on the place marked Push, and remove the air filter. • Remove the screw cover in the middle of the blower. • Open the upper and lower flaps on the indoor unit completely. •...
- Page 12 This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Printed in Japan BG79U635H01...