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INSTALLATION MANUAL
CEILING CASSETTE INDOOR UNIT
SPLIT-STYLE AIR CONDITIONER
DRAC09F1A, DRAC12F1A, DRAC18F1A, DRAC24F1A
Model Number:
Serial Number:
Purchase Date:
Installing Contractor Company Name:
TIP
Capture relevant information about your Durastar mini-split equipment before it is installed
and write it above for future reference.
1
DURASTAR.COM
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Summary of Contents for DURASTAR DRAC09F1A-NG
- Page 1 CEILING CASSETTE INDOOR UNIT SPLIT-STYLE AIR CONDITIONER DRAC09F1A, DRAC12F1A, DRAC18F1A, DRAC24F1A Model Number: Serial Number: Purchase Date: Installing Contractor Company Name: Capture relevant information about your Durastar mini-split equipment before it is installed and write it above for future reference. DURASTAR.COM...
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Page 2: Table Of Contents
STEP 3: DRILL WALL HOLE FOR CONNECTIVE PIPING ............. 15 STEP 4: CONNECT DRAIN PIPE ......................16 STEP 5: CONNECT SIGNAL CABLE ....................17 STEP 6: PREPARE REFRIGERANT PIPING .................. 19 STEP 7: WRAP PIPES AND CABLE ....................19 STEP 8: INSTALL PANEL ........................20 TROUBLESHOOTING ..........................24 DURASTAR.COM... -
Page 3: Introduction
• Read the troubleshooting section of this manual as it will help you diagnose and solve common issues. • Visit us on the web at www.durastar.com to download product guides and up-to-date information. • If you need warranty service, our friendly customer service representatives are available via email at questions@durastar.com or by telephone at 1-888-320-0706. -
Page 4: Important Safety Precautions
Do not wash the air conditioner with water as this could cause an electric shock. • Disconnect the power supply by turning it off at the circuit breaker when cleaning the air conditioner. Otherwise, you could risk electric shock. DURASTAR.COM... - Page 5 • The air conditioner’s circuit board (PCB) is designed with a fuse to provide overcurrent protection. The specifications of the fuse are printed on the circuit board. DURASTAR.COM...
- Page 6 Do not climb onto or place objects on top of the outdoor unit. • Do not allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity is very high. DURASTAR.COM...
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Page 7: Operating Temperatures
Regularly inspect and clean air filters. NOTE Your Durastar air conditioner's outdoor unit is equipped with a base pan heater, allowing it to continue to operate at freezing temperatures as low as -13°F (-25°C). When outdoor air temperatures are at or below 32°F (0°C), we strongly recommend keeping the unit plugged in at all times to ensure smooth ongoing performance. -
Page 8: Accessories
Indoor and outdoor connection wire • Outdoor power supply cord • Drain pipe • Pipe and cable wrapping tape • Wall hole sleeve and cover • Putty • Suspension bolts and necessary hardware to hang indoor unit • Wiring u-lugs DURASTAR.COM... - Page 9 Refrigerant leak detector • Copper pipe cutter • Flaring tool • Burr reamer • Crescent or spanner wrench • Hexagonal wrench set • Torque wrench • Multimeter • Electroprobe • Level • Hammer • Wire strippers • Wire crimper DURASTAR.COM...
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Page 10: Parts Identification
Wiring Terminal Air Outlet Panel Refrigerant Pipes Valve Cover Air Inlet Remote Control Air Inlet Control Panel Drain Pipe Air Outlet NOTE Illustrations in this manual are for explanatory purposes. The actual shape of your mini-split equipment may vary slightly. DURASTAR.COM... -
Page 11: Installation Overview - Indoor Unit
INSTALLATION OVERVIEW - INDOOR UNIT Install the indoor unit Install the drain pipe Install the outdoor unit Connect the wires Evacuate and charge the Connect the refrigerant refrigeration system pipes Install the panel Perform a test run DURASTAR.COM... -
Page 12: Indoor Unit Installation
Near any source of heat, steam, or combustible gas • Near flammable items such as curtains or clothing • Near any obstacle that might block air circulation • Near a doorway • In a location subject to direct sunlight DURASTAR.COM... - Page 13 If there is no pre-existing refrigerant piping, when choosing a location, leave ample room for a wall hole (see Step 3: Drill Wall Hole for Connective Piping) for the signal cable and refrigerant piping that connect the indoor and outdoor units. DURASTAR.COM...
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Page 14: Step 2: Hang Indoor Unit
2. Drill four holes 2" deep in the internal ceiling for each of the required suspension bolt anchors (field supplied). Make sure to hold the drill at a 90o angle to the ceiling. 3. Using a hammer, insert the suspension bolt anchors into the pre-drilled holes. 4. Install the four suspension bolts. DURASTAR.COM... -
Page 15: Step 3: Drill Wall Hole For Connective Piping
After the sleeve is inserted through the wall, connect the wall hole sleeve cover to the wall sleeve on the outside end. Make sure the cover is flush with the outside wall. DURASTAR.COM... -
Page 16: Step 4: Connect Drain Pipe
Incorrect installation can cause water to flow back into the unit and leaks. Ceiling 39-59” ≤11 3/4” (300mm) (1-1.5m) ≤20 7/8” (530mm) ≤29 1/2” (750mm) 8 5/8” (220mm) 0-3” (0-75mm) DURASTAR.COM... -
Page 17: Step 5: Connect Signal Cable
12. To avoid getting an electric shock, never touch the electrical components soon after the power supply has been turned off. After turning off the power, always wait 10 minutes or more before you touch the electrical components. WARNING Before performing any electrical or wiring work, turn off the main power to the system. DURASTAR.COM... - Page 18 6. After checking to make sure every connection is secure, use the cable clamp to fasten the signal cable to the unit. Screw the cable clamp down tightly. 7. Replace the control box lid. WARNING All wiring must be performed strictly in accordance with the wiring diagram located on the inside of the control box lid. DURASTAR.COM...
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Page 19: Step 6: Prepare Refrigerant Piping
Drain pipe NOTE The drain pipe MUST be at the bottom of the bundle. Putting the drain pipe at the top of the bundle can cause the drain pan to overflow, which can lead to fire or water damage. DURASTAR.COM... -
Page 20: Step 8: Install Panel
2. Install the main panel body by aligning the arrow on the panel to the arrow on the unit. Attach the panel body to the unit with the supplied screws as shown below. Main panel body Screws (M5 - supplied with the panel) DURASTAR.COM... - Page 21 5. Remove the control box lid and connect the two cables from the main panel body to the main board on the unit. 5-core wire 10-core wire 6. Replace the control box lid with its screws and close the inner panel making sure it latches securely in place. DURASTAR.COM...
- Page 22 3/16 - 1/4". The edge of the panel should be in contact with the ceiling board. Adjust the panel so that the ceiling opening is completely covered. Latch Piping side Drain side Screwdriver DURASTAR.COM...
- Page 23 If necessary, the height can be adjusted by loosening the upper nut, and adjusting the lower nut at each of the corners. Make sure the internal wiring and drain pipe are not affected by this adjustment. 1-Loosen upper nut Gap not allowed 2-Adjust lower nut DURASTAR.COM...
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Page 24: Troubleshooting
The indoor unit makes A rushing air sound may occur when the louver resets its position. noises A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’s plastic parts. DURASTAR.COM... - Page 25 • Press ON/OFF button on remote control to restart operation. NOTE If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed description of the unit malfunction as well as your model number. DURASTAR.COM...
- Page 26 Incompressible gas or moisture has Evacuate and recharge the system with entered the system refrigerant The compressor is broken Replace the compressor The voltage is too high or too low Install a manostat to regulate the voltage DURASTAR.COM...
- Page 27 If the problem persists, disconnect the power and contact your nearest customer appears service center. NOTE If your problem persists after performing the checks and diagnostics above, turn off your unit immediately and contact an authorized service center. DURASTAR.COM...
- Page 28 ©2021 Durastar DURASTAR.COM V1.1 0421...
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