DURASTAR DRA1H06S2A Installation Manual

Single zone outdoor unit split-style air conditioner

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INSTALLATION MANUAL

SINGLE ZONE OUTDOOR UNIT

SPLIT-STYLE AIR CONDITIONER

DRA1H06S2A, DRA1U09S2A, DRA1H09S2A, DRA1U12S2A,

DRA1H12S2A, DRA1U18S2A, DRA1H18S2A, DRA1U24S2A,

DRA1H24S2A, DRA1H33S2A

R-454B 208/230V 1ph 60 HZ

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.

DURASTAR.COM

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Page 1 DRA1H12S2A, DRA1U18S2A, DRA1H18S2A, DRA1U24S2A, DRA1H24S2A, DRA1H33S2A R-454B 208/230V 1ph 60 HZ ® 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...
Page 2: Table Of Contents
• 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 3: Symbols Used In This Manual
NOTE: The pencil indicates any manufacturer notes relating to surrounding content. These may include further clarifications or call-outs. TIP: A light bulb symbol indicates suggested manufacturer tips for the user to get the most out of the Durastar equipment and to accommodate the best user experience. R-454B WARNING:...
Page 4: Important Safety Precautions
Do not operate your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to water can cause electrical components to short circuit. • If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid oxygen deficiency. DURASTAR.COM...
Page 5 For units that have an auxiliary electric heater, do not install the unit within 3 feet (1 meter) of any combustible materials. • Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause a fire. DURASTAR.COM...
Page 6 When the refrigerant sensor malfunctions, the indoor unit will display the error code “FHCC”. The refrigerant sensor can not be repaired and can only be replaced by the manufacturer. It shall only be replaced with the sensor specified by the manufacturer. DURASTAR.COM...
Page 7 All training shall follow the ANNEX HH requirements of UL 60335-2-40 4th Edition. Examples for such working procedures are: • breaking into the refrigerating circuit; • opening of sealed components; • opening of ventilated enclosures. DURASTAR.COM...
Page 8 The following procedure shall be adhered to: • safely remove refrigerant following local and national regulations; evacuate; • purge the circuit with NITROGEN • evacuate (requirement); • continuously flush or purge with NITROGEN when using flame to open circuit; and • open the circuit DURASTAR.COM...
Page 9 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...
Page 10 : the height of the bottom of the appliance relative to the floor of the room Definitions inst after installation ft (m) WARNING: The minimum room area or the minimum room area of conditioned space is based on releasable charge and total system refrigerant charge. DURASTAR.COM...
Page 11: Accessories
• Vacuum pump • Multimeter • HVAC manifold gauge set • Electroprobe • Micron Gauge • Level • Refrigerant leak detector • Hammer • Copper pipe cutter • Wire strippers • Flaring tool • Wire crimper • Burr reamer DURASTAR.COM...
Page 12: Parts Identification
SPECIFICATION OVERVIEW The table below includes basic specifications for this unit. For more detailed specifications please refer to the submittals on DURASTAR.COM. Durastar reserves the right to change specifications without notice. OUTDOOR UNIT DIMENSIONS LIQUID...
Page 13: 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 -22°F (-30°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 14: Outdoor Unit Installation
• In a location 10 ft. (3 m) or closer to TV or radio antennas. Operation of the unit may interfere with antenna reception in areas where the signal is weak. An amplifier may be needed for affected devices. DURASTAR.COM...
Page 15: Step 2: Install The Drain Joint
Twist to lock Drain hole 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 16: Outdoor Unit Dimensions
Air Inlet Air Inlet Air Outlet Front View Top View OUTDOOR UNIT DIMENSIONS MOUNTING DIMENSIONS MODEL DRA1H06S2A 30-1/8 21-7/8 11-15/16 17-3/4 11-1/4 DRA1U09S2A 30-1/8 21-7/8 11-15/16...
Page 17: Step 4: Connect The Signal And Power Cables
Using wire strippers, strip the rubber jacket from both ends of cable to reveal about 1.5" (38-40mm) of the wires inside. • Strip the insulation from the ends of the wires. • Using a wire crimper, crimp u-lugs on the ends of the wires. DURASTAR.COM...
Page 18: Refrigerant Piping Connections
Run nitrogen through the refrigerant tubing when brazing to avoid carbon build up. The presence of foreign materials will lower the unit's capacity and can cause abnormally high pressure in the refrigeration system. This can result in explosion and personal injury. DURASTAR.COM...
Page 19: Oil Traps
Indoor Unit 19’ 9” (6m) 32’ 10” (10m) Required distance between oil traps when Required distance between oil traps when the indoor unit is installed higher than the the outdoor unit is installed higher than the outdoor unit. indoor unit. DURASTAR.COM...
Page 20: 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 21: 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 the pipe. The end of the pipe must extend beyond the edge of the flare form in accordance with the pipe extension table on the next page. DURASTAR.COM...
Page 22: Step 4: Connect Pipes
Do not leave coils in the refrigerant line sets. All excess line length must be removed to ensure proper system operation. 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 23 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...
Page 24: System Evacuation
Start back at step 1 once all leaks have been fixed. 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 25: Final Checks
The refrigerant should be charged from the service port on the outdoor unit's low pressure valve. Additional refrigerant information can be found in the SUBMITTAL DOCUMENTS at WWW.DURASTAR.COM. Additional refrigerant can be calculated using the following formula: R454B Liquid Side Ø 1/4" (6.35mm) R454B Liquid Side Ø...
Page 26: Gas Leak Check
A: Low pressure stop valve B: High pressure stop valve C & D: Indoor unit ﬂare nuts Use the Durastar Job Site Information Sheet at the end of this manual as a commissioning report to record your start up readings. TEST RUN TEST RUN INSTRUCTIONS You should perform the test run for at least 30 minutes.
Page 27: 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 28 • 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 29 Incompressible gas or moisture has Evacuate and recharge the system with frequently 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 30 If not, disconnect the power, then connect it again. Turn the unit on. appears If the problem persists, disconnect the power and contact your nearest customer 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 31: Wiring Diagrams
WIRING DIAGRAMS DRA1H06S2A, DRA1U09S2A, DRA1H09S2A, DRA1U12S2A, DRA1H12S2A INDOOR UNIT POWER SUPPLY T3 T4 TP FUSE BLUE FUSE CN17 CN15 CN60 CN21 CRANKCASE CHASSIS EARTH L-IN N-IN HEATER HEATER VALVE CN1A MAIN CONTROL BOARD CN31 DC FAN TEST PORT MOTOR CN1A INPUT 230V AC...
Page 32 CN60 OUTPUT 230V AC MOTOR CN19 OUTPUT 230V AC CN18 OUTPUT 0-12V DC T3 OUTDOOR COIL TEMP SENSOR CN23/CN17 OUTPUT 0~5V DC T4 OUTDOOR AMBIENT TEMP SENSOR CN414 OUTPUT 0~310V AC TP COMP DISCHARGE TEMP SENSOR CN27/CN28/CN29 OUTPUT 0~310V AC DURASTAR.COM...
Page 33 CHASSIS HEATER CRANKCASE HEATER COMPRESSOR CN32 CN53 CN26 CN12 CN11 CN27 DC FAN MOTOR L2_IN TEMP SENSOR L1_IN WHITE BROWN BLUE BLUE FUSE BROWN FUSE DC FAN MOTOR TEST PORT TO INDOOR UNIT POWER SUPPLY OUTDOOR AMBIENT TEMP SENSOR 16022000040331 DURASTAR.COM...
Page 34 CN12 CN11 CN19 CN21 CN27 L1_IN L2_IN TEMP SENSOR DC FAN MOTOR BROWN BLUE BLUE WHITE BROWN FUSE FUSE DC FAN TEST PORT 1 2 3 MOTOR TERMINAL BLOCK POWER SUPPLY TO INDOOR UNIT OUTDOOR AMBIENT TEMP SENSOR 16022000040650 DURASTAR.COM...
Page 35: Error And Operating Codes
Compressor speed has been out of control EL0C System lacks refrigerant PC 49 Compressor overcurrent failure FHCC Refrigerant sensor error PH 90 High temperature protection of evaporator LC 06 High temperature protection of PH 91 Low temperature protection of evaporator Inverter module (IPM) DURASTAR.COM...
Page 36: Job Site Information Sheet
Unit Location: ____________________________________________________________________________ _________________________________________________________________________________________ Indoor Unit (IDU) Information IDU Model #: _____________________________ IDU Serial #: ____________________________________ Unit Type: ___________________________ Unit Location: _______________________________________ _________________________________________________________________________________________ Refrigerant Line Size (Circle Liquid and Gas Line): 1/4" 3/8" 1/2" 5/8" Line Set Length: ________________ DURASTAR.COM...
Page 37 Gas Line Saturation: _________°F Liquid Line Saturation: _________°F Indoor Electrical Readings IDU Power/Control Wire Color: 1 __________________ 2 __________________ 3 ___________________ Voltage Readings: 1-2 ___________ AC 2-3 ___________DC Indoor Thermal Readings Return Air: _________°F Supply Air: _________°F Room Air: _________°F DURASTAR.COM...
Page 38 THIS PAGE INTENTIONALLY LEFT BLANK. DURASTAR.COM...
Page 39 THIS PAGE INTENTIONALLY LEFT BLANK. DURASTAR.COM...

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DURASTAR DRA1H06S2A Installation Manual

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