Page 2 - Air Handling Unit
EDUS391000-F12 FXTQ-PA 1 FXTQ-PA Air Handling Unit 1. Specifications .............................................................................................. 22. Dimensions ................................................................................................. 43. Piping Diagrams ......
Page 3 - Specifications; Model
Specifications EDUS391000-F12 2 FXTQ-PA 1. Specifications Air Handling Unit Notes: 1 Nominal cooling capacities are based on the following conditions: Return air temperature: 80°FDB(27°CDB), 67°FWB(19.4°CWB)Outdoor temperature: 95°FDB (35°C)Equivalent ref. piping: 25ft (7.5 m) (Horizontal) 2 Nom...
Page 5 - Dimensions
Dimensions EDUS391000-F12 4 FXTQ-PA 2. Dimensions FXTQ12PAVJUFXTQ18PAVJU 3D068376A
Page 7 - Piping Diagrams
Piping Diagrams EDUS391000-F12 6 FXTQ-PA 3. Piping Diagrams Model GAS Liquid FXTQ12/18PAVJU 1/2 1/4 FXTQ24/30/36/42/48/54PAVJU 5/8 3/8 C: 4D068194
Page 8 - Wiring Diagrams; qu
EDUS391000-F12 Wiring Diagrams FXTQ-PA 7 4. Wiring Diagrams FXTQ12PAVJU / FXTQ18PAVJU / FXTQ24PAVJU / FXTQ30PAVJU / FXTQ36PAVJU / FXTQ42PAVJU / FXTQ48PAVJU / FXTQ54PAVJU 3D065036F PROTECTIVE GROUND NOISELESS GROUND N OTE: This u nit is not e qu ipped w ith a ret u rn air sensor. A remote sensor is r...
Page 9 - Electric Characteristics; Indoor Unit
Electric Characteristics EDUS391000-F12 8 FXTQ-PA 5. Electric Characteristics 5.1 Indoor Unit C: 4D06 8 256 Symbols: MCA : Minimum Circuit Amps (A)MOP : Maximum Overcurrent Protective Device (A)IFM : Indoor Fan MotorHP : Fan Motor Rater Output (HP)FLA : Full Load Amps (A) NOTE: 1. Voltage range: Uni...
Page 10 - Electric Heater
EDUS391000-F12 Electric Characteristics FXTQ-PA 9 5.2 Electric Heater 4D068258
Page 11 - Capacity Tables; Cooling Capacity
Capacity Tables EDUS391000-F12 10 FXTQ-PA 6. Capacity Tables 6.1 Cooling Capacity FXTQ-PA [Cooling capacity] Unit size Outdoor air temp. Indoor air temp. 61.0 °FWB 64.0 °FWB 67.0 °FWB 70.0 °FWB 72.0 °FWB 75.0 °FWB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC °FDB MBh MBh MBh MBh MBh MBh MBh MBh MBh MBh...
Page 12 - Heating Capacity
EDUS391000-F12 Capacity Tables FXTQ-PA 11 6.2 Heating Capacity FXTQ-PA [Heating capacity] Unit size Outdoor air temp. Indoor air temp. Unit size Outdoor air temp. Indoor air temp. 62.0°FDB 65.0 °FDB 68.0 °FDB 70.0 °FDB 72.0 °FDB 75.0 °FDB 62.0°FDB 65.0 °FDB 68.0 °FDB 70.0 °FDB 72.0 °FDB 75.0 °FDB TC...
Page 13 - Airflow Auto Adjustment Characteristics
Airflow Auto Adjustment Characteristics EDUS391000-F12 12 FXTQ-PA 7. Airflow Auto Adjustment Characteristics Notes: 1. If the airflow is less than 10% of the rated air volume, it is automatically adjusted to the rated volume. 2. The unit automatically adjusts external static pressure between 0.0 in....
Page 15 - Meanings of
Installation EDUS391000-F12 14 FXTQ-PA 8. Installation Read these SAFETY CONSIDERATIONS for Installation carefully before installing an air conditioner or heat pump. After completing the installation, make sure that the unit operates properly during the startup operation.Instruct the customer on how...
Page 16 - Refrigerant Piping
EDUS391000-F12 Installation FXTQ-PA 15 parts other than those specified by Daikin are used, fire or explosion may occur. CAUTION • Do not touch the switch with wet fingers. Touching a switch with wet fingers can cause electric shock. • Do not allow children to play on or around the unit to prevent i...
Page 17 - Installation; BEFORE INSTALLATION; cc; SELECTIN; bu
Installation EDUS391000-F12 16 FXTQ-PA 3P250363-2B 3 En g lish BEFORE INSTALLATION 2. WARNIN G Entr u st installation to the place of p u rchase or a qu alifi ed • ser v iceman. Improper installation co u ld lead to leaks and, in w orse cases, electric shock or fi re. Use of u nspecifi ed parts co u...
Page 18 - PREPARATIONS BEFORE INSTALLA-
EDUS391000-F12 Installation FXTQ-PA 17 3P250363-2B English 4 Where piping between indoor and outdoor units is • possible within the allowable limit. (Refer to the installa-tion manual for the outdoor unit.)If a return-air duct is not installed, carefully select the • place and method of product inst...
Page 19 - English; OUMAYNEED; Make sure the unit is installed level using a level tube; Regarding the attachment of the drain pan insulation kit,
Installation EDUS391000-F12 18 FXTQ-PA 3P250363-2B 5 English Table 1 Model A B C D E F G H I 12 · 18 type 46-3/4 22 17-1/2 19-1/2 10 14-1/2 11- 15/16 17-1/8 17- 15/16 24 · 30 · 36 · 42 · 48 · 54 type 53-1/4 24 20 22 12 14-1/2 11- 15/16 19-5/8 19- 15/16 Make sure the range of the unit’s external stat...
Page 20 - REFRIGERANT PIPING WORK; ERANT
EDUS391000-F12 Installation FXTQ-PA 19 3P250363-2B English 6 REFRIGERANT PIPING WORK 5. 〈 Observe the requirements listed below for refrigerant piping sizes. 〉 Liquid Gas 12 · 18 type 1/4 in. 1/2 in. 24 · 30 · 36 · 42 · 48 · 54 type 3/8 in. 5/8 in. 〈 Execute heat insulation work completely on both s...
Page 21 - DRAIN PIPING WORK; ic
Installation EDUS391000-F12 20 FXTQ-PA 3P250363-2B 7 English CAUTION Be sure to insulate any fi eld piping all the way to the piping • connection inside the unit. Any exposed piping may cause condensation or burns if touched. When brazing the refrigerant piping, perform nitrogen re- • placement fi rst...
Page 22 - INSTALLING THE DUCT; GENERAL INSTRUCTIONS
EDUS391000-F12 Installation FXTQ-PA 21 3P250363-2B English 8 To keep the piping from becoming clogged with dirt, • avoid bends where possible and install so that traps can be cleaned. At l eas t 4 in. A ir h and l er At l eas t 3 in. Fig. 7 Observe the following guidelines when installing con- • cen...
Page 23 - NOTES; ELECTRICAL CHARACTERISTICS; WIRING EXAMPLE; HOW TO CONNECT WIRINGS; Precautions when laying power supply wiring; Table 2; Remove the electric component box cover.
Installation EDUS391000-F12 22 FXTQ-PA 3P250363-2B 9 English NOTES If the wiring is in a place where people it can be easily 1. touched by people, install a ground-fault circuit interrupter to prevent electric shock.When using a ground-fault circuit interrupter, make sure to 2. select one useful als...
Page 25 - trolling 1 indoor unit by 2 remote controllers)
Installation EDUS391000-F12 24 FXTQ-PA 3P250363-2B 11 English Outside the air conditioners, separate the low voltage wiring • (remote controller and transmission wiring) and high voltage wiring (ground wire and power supply wiring) b y at least 5 in. so that they do not pass through the same place t...
Page 26 - CENTRALIZED CONTROL; FIELD SETTING AND TEST RUN; SETTINGS WHEN USING THE OPTIONAL RE-
EDUS391000-F12 Installation FXTQ-PA 25 3P250363-2B English 12 Wiring Method (See ‘‘8. ELECTRIC WIRING WORK’’) Remove the electric component box cover. (3) Add remote controller 2 (SUB) to the terminal block (4) for remote controller (P¹, P²) in the electric component box.(There is no polarity.) Rem ...
Page 27 - REMOTE CONTROL SETTING; GROUND
Installation EDUS391000-F12 26 FXTQ-PA 3P250363-2B 13 English REMOTE CONTROL SETTING 10-2 Forced off a nd ON/OFF oper a tion should be selected by • selecting the SECOND CODE NO. a s sho w n in T a ble 4. Table 4 Extern a l ON/OFF input M ode No. FIRST CODE NO. SECOND CODE NO. Forced off 12 (22) 1 0...
Page 29 - re
Installation EDUS391000-F12 28 FXTQ-PA 3P250363-2B 15 English Pass the power supply wiring and the ground wire (8) through the conduit (conduit should be fi eld sup-plied). The hole for running wires through should be sealed completely to prevent air from entering. Pass through the conduit Power supp...
Page 30 - SETTING FOR LOCAL SUPPLIED OPTION.; SETTINGS FOR SEPARATELY SOLD ACCES-
EDUS391000-F12 Installation FXTQ-PA 29 3P250363-2B English 16 Electric heater operating mode setting (12) -2 〈 When electric heater is used in “Heat Pump lockout mode” 〉 Check the heater capacity. (Select heater marked with “ • ” or “ 2 ” in Table 8.) Perform on-site setting using the remote control...
Page 31 - When using a wireless remote controller; A wireless remote controller address needs to be set when; CAUTION; Always stop the test run using the remote controller to stop
Installation EDUS391000-F12 30 FXTQ-PA 3P250363-2B 17 English 〈 When using a wireless remote controller 〉 A wireless remote controller address needs to be set when • using a wireless remote controller. See the installation manual included with the wireless remote controller for details on how to mak...
Page 32 - Accessories; Standard Accessories; : Electric heater operation with heat pump is allowed.
EDUS391000-F12 Accessories FXTQ-PA 31 9. Accessories Standard Accessories 3P250363-2B Optional Accessories (For Controls): Refer to booklet of “Controls”. Optional Accessories (For Unit) . : Electric heater operation with heat pump is allowed. k : Only electric heater operation is allowed. × : Not a...
Page 34 - dddddfdf; B AK
1645 Wallace Drive, Suite 110 Carrollton, TX75006 [email protected] www.daikinac.com AMERICAS dddddfdf ISO 9001 is a plant certification systemdefined by the International Organizationfor Standardization (ISO) relating to quality assurance. ISO 9001 certificationcovers quality assurance aspects rela...
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