DURASTAR DRA1U09S1A Installation Manual
Single zone outdoor unit
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Also See for DRA1U09S1A:
- Service manual (105 pages) ,
- Owner's manual (16 pages) ,
- Installation manual (7 pages)
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INSTALLATION MANUAL
SINGLE ZONE OUTDOOR UNIT
SPLIT-STYLE AIR CONDITIONER
DRA1U09S1A, DRA1U12S1A, DRA1U18S1A, DRA1U24S1A
Model Number:
Serial Number:
Purchase Date:
Installing Contractor Company Name:
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Capture relevant information about your Durastar mini-split equipment before it is installed
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Summary of Contents for DURASTAR DRA1U09S1A
- Page 1 SINGLE ZONE OUTDOOR UNIT SPLIT-STYLE AIR CONDITIONER DRA1U09S1A, DRA1U12S1A, DRA1U18S1A, DRA1U24S1A 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 1: CUT PIPES ............................ 16 STEP 2: REMOVE BURRS ........................16 STEP 3: FLARE PIPE ENDS ........................17 STEP 4: CONNECT PIPES ........................18 AIR EVACUATION ............................20 ELECTRICAL AND GAS LEAK CHECKS ..................21 TEST RUN ..............................22 TROUBLESHOOTING ..........................23 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
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... -
Page 9: Parts Identification
The installation may be slightly different in different areas. Signal Cable, Air Inlets Refrigerant Pipes, and Drain Hose Wiring Terminal Valve Cover 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 10: Outdoor Unit Installation
Near animals or plants that will be harmed by hot air discharge. • Near any source of combustible gas. • In a location that is exposed to large amounts of dust. • In a location exposed to an excessive amount of salty air. DURASTAR.COM... -
Page 11: Step 2: Install The Drain Joint
Seal Seal Drain joint NOTE In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze in the hose and flood the unit. DURASTAR.COM... -
Page 12: Step 3: Anchor The Outdoor Unit
Mounting Dimensions Outdoor Unit - Dimensions W x H x D inches (mm) Dist. A inches (mm) Dist. B inches (mm) DRA1U09S1A - 30 5/16”x21 7/8”x11 13/16” (770x555x300) 19 3/16” (487) 11 3/4” (298) 20 1/4” (514) 13 3/8” (340) DRA1U12S1A - 31 1/2”x21 13/16”x13 1/8”... -
Page 13: Step 4: Connect The Signal And Power Cables
6. Be sure to cut the wire several inches longer than the required length for future maintenance. 7. Permanently secure the conduit tubes to the conduit panel. 8. Replace the wire cover on the side of the unit, and screw it in place. (See image on next page.) DURASTAR.COM... -
Page 14: Refrigerant Piping Connections
Maximum Drop Height Feet (Meters) Feet (Meters) < 15,000 82 Ft. (25 M) 33 Ft. (10 M) ≥15,000 and < 24,000 98.5 Ft. (30 M) 66 Ft. (20 M) ≥24,000 and <36,000 164 Ft. (50 M) 82 Ft. (25 M) DURASTAR.COM... - Page 15 Indoor Unit 19’ 9” (6m) 32’ 10” (10m) Required distance between oil traps when Required distance between oil traps when the outdoor unit is installed higher than the the indoor unit is installed higher than the outdoor unit. indoor unit. DURASTAR.COM...
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Page 16: Step 1: Cut Pipes
Burrs can affect the airtight seal of the refrigerant piping connection and must be completely removed. 1. Hold the pipe at a downward angle to prevent burrs from falling into the pipe. 2. Using a reamer or deburring tool, remove all burrs from the cut section of the pipe. Pipe Reamer Point downward DURASTAR.COM... -
Page 17: Step 3: Flare Pipe Ends
4. Remove PVC tape from ends of pipe when ready to perform flaring. 5. Clamp flare form on the end of pipe. The end of the pipe must extend beyond the edge of the flare form in accordance with the pipe extension table. DURASTAR.COM... -
Page 18: Step 4: Connect Pipes
When bending connective refrigerant piping, the minimum bending radius is 4 inches (10cm). Radius ≥4” (10cm) CONNECTING PIPING TO INDOOR UNIT 1. Align the center of the two pipes that you will connect. Indoor unit tubing Flare nut Pipe DURASTAR.COM... - Page 19 5. While firmly gripping the body of the valve, use a torque wrench to tighten the flare nut according to the correct torque values in the table above. 6. Loosen the flare nut slightly, then tighten again. 7. Repeat steps 3-6 for the remaining pipe. Valve cover DURASTAR.COM...
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Page 20: Air Evacuation
Do not try to force the valves to open further. 14. Replace all valve caps and tighten by hand. Manifold Gauge Low pressure Flare nut gauge Low pressure High pressure valve valve Low pressure hose Auxiliary hose Vacuum pump Valve body Valve stem Low pressure valve DURASTAR.COM... -
Page 21: Electrical And Gas Leak Checks
1. Soap and Water Method - Using a soft brush, apply a soapy water or liquid detergent to all pipe connection points on the indoor and outdoor unit. The presence of bubbles indicates a leak. 2. Leak Detector Method - If using a leak detector, refer to the device's operation manual for proper usage instructions. DURASTAR.COM... -
Page 22: Test Run
5. Double check all pipe connections. During operation, the pressure of the refrigerant system will increase. This may reveal leaks that were not present during the initial leak check. Take time during the test run to recheck all pipe connection points. Refer to Gas Leak Check section for instructions. DURASTAR.COM... -
Page 23: 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 24 • 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 25 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 26 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 27 This page intentionally left blank. DURASTAR.COM...
- Page 28 ©2021 Durastar DURASTAR.COM V1.1 0421...
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