Panasonic R410A Installation Instructions Manual
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Panasonic R410A Installation Instructions Manual

Panasonic R410A Installation Instructions Manual

Single split air conditioner
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INSTALLATION INSTRUCTIONS
– Single Split Air Conditioner –
This air conditioner uses the refrigerant R410A.
■ R410A Models
Model No.
Indoor Units
Nominal Capacity
Type
Indoor Unit Type
26
36
F2
Low Silhouette Ducted
S-26PF2U6
S-36PF2U6
Read through the Installation Instructions before you proceed with the installation.
In particular, you will need to read under the "IMPORTANT!" section at the top of the page.
F616472

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  • Page 1 INSTALLATION INSTRUCTIONS – Single Split Air Conditioner – This air conditioner uses the refrigerant R410A. ■ R410A Models Model No. Indoor Units Nominal Capacity Type Indoor Unit Type Low Silhouette Ducted S-26PF2U6 S-36PF2U6 Read through the Installation Instructions before you proceed with the installation.

  • Page 2: Important

    Improper connections and • When performing piping work do not mix air inadequate grounding can cause accidental injury or except for specified refrigerant (R410A) in death. refrigeration cycle. It causes capacity down, and • Ground the unit following local electrical codes.

  • Page 3: Check Of Density Limit

    (and in the event of an emergency, measures can be The refrigerant (R410A), which is used in the air conditioner, is safe, without the toxicity or combustibility of made before injury can occur).

  • Page 4: Table Of Contents

    CONTENTS Page Page IMPORTANT ....... . . 2 8. HOW TO INSTALL WIRELESS REMOTE CONTROLLER (OPTIONAL PARTS) .

  • Page 5: General

    1. GENERAL ● Use 3/8” (M10) for hanging bolts. This booklet briefly outlines where and how to install the air ● Field supply for hanging bolts and nuts. conditioning system. Please read over the entire set of instructions for the indoor and outdoor units and make 1-3.

  • Page 6: Selecting The Installation Site

    2. SELECTING THE INSTALLATION SITE 2-1. Indoor Unit AVOID: ● areas where leakage of flammable gas may be expected. ● places where large amounts of oil mist exist. ● direct sunlight. ● locations near heat sources which may affect the performance of the unit. ●...

  • Page 7: How To Install The Indoor Unit

    3. HOW TO INSTALL THE INDOOR UNIT Unit: inch (mm) ■ Low Silhouette Ducted Type (F2 Type) 3-1. Required Minimum Space for Installation and A (Suspension bolt pitch) Electrical Service component box ● The minimum space for installation and service is shown in Indoor unit Inspection Fig.

  • Page 8: Suspending The Indoor Unit

    3-2. Suspending the Indoor Unit Suspension bolt Depending on the ceiling type: • Insert suspension bolts (Fig. 3-3) Nuts and washers (use for upper and lower) • Use existing ceiling supports or construct a suitable support (Fig. 3-4). Suspension lug Hole-in-anchor Concrete Insert...
  • Page 9 ● Tighten the hose clamps so their locking nuts face ● Do not install the pipe with an upward slant from the upward. (Fig. 3-8) connection port. This will cause the drain water to flow backward and leak when the unit is not operating. (Fig.

  • Page 10: Connecting Duct

    3-4. Connecting Duct filter chamber with middle/ high-performance filter outlet duct (field supply) (field supply) canvas duct (field supply) Intake grille with low-performance - ø5/32” (ø4.1) holes filter (field supply) For 13/64” (M5) self-tapping screw outlet port (field supply) AIR FLOW (1) Install the duct (field supply) to air intake port side.

  • Page 11: Electrical Wiring

    4. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. WARNING (2) This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD).

  • Page 12: Wiring System Diagrams

    4-3. Wiring System Diagrams Outdoor unit INV unit Inter-unit power line Power supply Indoor 208 / 230 V, 60 Hz, 1PH 208 / 230 V, 60Hz, 1PH unit Grounding Wire Power supply 208 / 230 V, 60Hz, 1PH Grounding Wire Ground Ground Remote Controller...
  • Page 13 Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur. CAUTION Therefore, ensure that all wiring is tightly connected. When connecting each power wire to the terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the wire securely with the fixing screw of the terminal board.

  • Page 14: How To Process Tubing

    5. HOW TO PROCESS TUBING Deburring The liquid tubing side is connected by a flare nut, and the gas tubing side is connected by brazing. Before After 5-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units.

  • Page 15: Connecting Tubing Between Indoor And Outdoor Units

    (ø12.7 mm) t0.8 mm flare nuts that were supplied with the unit, or else flare nuts {kgf·cm} {490 – 610 kgf·cm} for R410A (type 2). The refrigerant tubing that is used must lbf·inch 590 – 710 lbf·inch t0.04” ø5/8” (ø15.88 N·m...

  • Page 16: Taping The Tubes

    If the exterior of the outdoor unit valves has been finished with a square duct covering, make Flare insulator (supplied) Insulation tape (white) sure you allow sufficient space WARNING Flare union (supplied) to access the valves and to allow the panels to be attached and Unit side removed.

  • Page 17: Precautions On Test Run

    6. PRECAUTIONS ON TEST RUN ● Request that the customer be present at the time the test run is performed. Explain the Operating Instructions to the customer and then have the customer actually operate the system. ● Be sure to pass the manual and warranty certificate to the customer. ●...

  • Page 18: Checking The Drainage

    9. CHECKING THE DRAINAGE After wiring and drain piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. (1) Remove the cover and slowly pour about 0.3 gal (1,200 cc) of water through the drain inspection port into the drain pan to check drainage.

  • Page 19: External Static Pressure Setting

    10. EXTERNAL STATIC PRESSURE SETTING For low silhouette ducted type indoor units, the ventilating resistance so-called “external static pressure” becomes greatly different depending on the connected duct length, shape, number of air outlet ports and types of filters. When installing this unit, be sure to carry out the external static pressure setting in order to operate in the rated airflow volume. Choose one of the following methods from “a”, “b”, “c”...

  • Page 20: How To Set On Pc Board

    NOTE (1) Check the following items before performing the setting-check operations or auto airflow volume operations. 1) Check to make sure that the electrical wiring and ducting have been completed. Activate the stand-by mode. In particular, make sure that the closed damper located in the middle of the duct is open, if installed. Also, make sure that air filters have been installed inside the air inlet duct.

  • Page 21: Operating The Timer Remote Controller (Cz-Rtc2)

    10-2. Operating the Timer Remote Controller (CZ-RTC2) Table 10-2 Setting the external static pressure 10-2-1. How to set the external static pressure Indoor unit Item code Press and hold down the buttons External static pressure of the rated air flow simultaneously for 4 or more seconds.

  • Page 22: Operating The High-Spec Wired Remote Controller (Cz-Rtc3)

    10-3. Operating the High-spec Wired Remote Detailed settings 20:30 (THU) Controller (CZ-RTC3) Unit no. Code no. Set data 0001 Sel. Next Select the “Set data” by pressing the button. Select one of the “Set data” among “0001” – “0015” according to the desired external static pressure setting by pressing the button.
  • Page 23 Auto External Static Pressure Setting Operation Press the button. Test run will be started. Keep pressing the buttons Test run setting mode screen appears on the LCD display. simultaneously for 4 or more seconds. 20:30 (THU) The “Maintenance func” screen appears on the LCD display. TEST MODE FAN SPEED...
  • Page 24 Indoor Fan Performance Item code “ ” M M M M M M M L L L L L L L L 1 -2 L L L L 1 -3 Type 36 Type 26 in.WC (Pa) in.WC (Pa) PQ diagram PQ diagram 0.72 (180)
  • Page 25 11. APPENDIX CAUTION ■ Care and Cleaning ● Certain metal edges and the condenser fins are WARNING sharp and may cause injury if handled improperly; special care should be taken when you clean these parts. ● For safety, be sure to turn the air conditioner off ●...
  • Page 26 ■ Troubleshooting If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or a service center. ● Indoor unit Symptom Cause Noise Sound like streaming water during Sound of refrigerant liquid flowing inside unit ●...
  • Page 27 ● Check Before Requiring Services Symptom Cause Remedy Air conditioner does not run Power failure or after power failure Press ON/OFF operation button on remote at all although power is turned controller again. Operation button is turned off. Switch on power if breaker is turned off. ●...
  • Page 28 F616472 Printed in China DC0414-10814...

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