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Table of Contents
- 1 Installation Manual
- 2 Safety Precautions
- 3 Choosing an Installation Site
- 4 Indoor Unit
- 5 Wireless Remote Controller
- 6 Indoor Unit Installation Drawings
- 7 Installation Tips
- 8 Refrigerant Piping Work
- 9 Refrigerant Piping
- 10 Indoor Unit Installation
- 11 Drain Piping
- 12 Trial Operation and Testing
- Download this manual
See also:
Operating Manual
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Table of Contents
Related Manuals for Daikin FTXJ20MV1BW
Summary of Contents for Daikin FTXJ20MV1BW
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Page 1: Installation Manual
DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R32 Split Series MODELS FTXJ20MV1BW FTXJ20MV1BS FTXJ25MV1BW FTXJ25MV1BS FTXJ35MV1BW FTXJ35MV1BS FTXJ50MV1BW FTXJ50MV1BS... - Page 2 3P394245-21J...
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Page 3: Safety Precautions
Safety Precautions Read the precautions in this manual This appliance is filled with R32. carefully before operating the unit. • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding safety. Be sure to observe all precautions without fail. •... -
Page 4: Choosing An Installation Site
CAUTION • Do not install the air conditioner at any place where there is a danger of flammable gas leakage. In the event of a gas leakage, build-up of gas near the air conditioner may cause a fire to break out. •... -
Page 5: Indoor Unit Installation Drawings
Indoor Unit Installation Drawings A Mounting plate How to attach the indoor unit A Mounting Hook the claws of the bottom plate frame to the mounting plate. If the claws are difficult to hook, Clip remove the front grille. Front grille Bottom frame The mounting plate should be installed on a wall which can... -
Page 6: Installation Tips
Installation Tips Removing and installing the upper front panel Removal method 1) Open the upper front panel. 2) Slide the front panel locks on the back of the front panel upward to release the locks (left and right sides). 3) Remove the panel shafts on both sides from the shaft holes, and dismount the upper front panel. Back of the upper front panel The upper front panel does not open any more than as shown in... - Page 7 Installation Tips 7) Wear protection gloves and insert both hands Upper hooks under the front grille as shown in the figure. 8) Remove the front grille from the 3 upper hooks by pushing up the top side of the front grille, pull 1)Push up.
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Page 8: Refrigerant Piping Work
Installation Tips • Attachment methods of connection cord 1) Remove the factory-mounted connector from S21. 2) Tie the harnesses in a bundle as shown in the figure so that the removed connector does not interfere with the printed circuit board. 3) Attach the connection cord to the S21 connector and pull the HA connector (S21) harness out through the notched part in the figure. -
Page 9: Refrigerant Piping
Refrigerant Piping Work Refrigerant piping CAUTION • Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.) • To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R32 or R410A.) •... -
Page 10: Indoor Unit Installation
Indoor Unit Installation Installing the mounting plate The mounting plate should be installed on a wall which can support the weight of the indoor unit. 1) Temporarily secure the mounting plate to the wall, make sure that the unit is completely level, and mark the boring points on the wall. - Page 11 Indoor Unit Installation Laying piping, hoses, and wiring • The recommended installation method is back piping. • When performing bottom piping or side piping, refer to Bind refrigerant pipe and drain hose together with adhesive vinyl tape. “5. Bottom or side piping” on page 10. 4-1.
- Page 12 Indoor Unit Installation 9) While exercising care so that the inter-unit wire does not catch the indoor unit, press the bottom edge of indoor unit with both hands Inter-unit wire until it is firmly caught by the mounting plate hooks. Secure indoor A Mounting plate unit to the mounting plate with indoor unit fixing screws (M4 ×...
- Page 13 Indoor Unit Installation Wiring , install as described in the installation manual supplied with the multi outdoor With a multi indoor unit unit. 1) Strip wire ends (15mm). 2) Match wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corresponding terminals.
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Page 14: Drain Piping
Indoor Unit Installation Wiring diagram parts table CAUTION A1P~A3P....Printed circuit board Note that operation will restart automatically if the BZ ......Buzzer main power supply is turned off and then back on FG......Frame ground again. F1U , F 2 U .... Fuse HIGH VOLTAGE –... -
Page 15: Trial Operation And Testing
Trial Operation and Testing Trial operation and testing 1-1 Measure the supply voltage and make sure that it falls in the specified range. 1-2 Trial operation should be carried out in either cooling or heating mode. In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature. - Page 16 3P393185-6K 2015.11...