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OWNER'S MANUAL
AIR HANDLER
DRAM18F2A, DRAM24F2A,
DRUM1824S2A, DRUM3036S2A, DRUM4260S2A,
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.
R
DURASTAR.COM
1
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Summary of Contents for DURASTAR DRAM18F2A
- Page 1 OWNER'S MANUAL AIR HANDLER DRAM18F2A, DRAM24F2A, DRUM1824S2A, DRUM3036S2A, DRUM4260S2A, 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
INCLUDED ACCESSORIES ...........................17 OPERATION TEMPERATURES ........................18 HANDLING THE REMOTE CONTROLLER ...................19 WIRELESS REMOTE CONTROL OPERATION .................. 20 REMOTE CONTROL SCREEN INDICATORS ..................21 BASIC REMOTE OPERATION ........................22 CARE AND MAINTENANCE .........................24 TROUBLESHOOTING ............................. 26 LIMITED WARRANTY - PARTS........................29 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 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: Electrical Safety
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...
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Page 8: Work Procedure
Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt consult the manufacturer’s technical department for assistance. The following checks shall be applied to installations using FLAMMABLE REFRIGERANTS: DURASTAR.COM... - Page 9 (25 % maximum) is confirmed. • Leak detection fluids are also suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work. DURASTAR.COM...
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Page 10: Charging Procedures
Prior to recharging the system it shall be pressure tested with OXYGEN FREE NITROGEN • (OFN). The system shall be leak tested on completion of charging but prior to commissioning. • A follow up leak test shall be carried out prior to leaving the site. DURASTAR.COM... - Page 11 If in doubt, the manufacturer should be consulted. In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. DURASTAR.COM...
- Page 12 The effectiveness of signs should not be diminished by too many signs being placed together. Any pictograms used should be as simple as possible and contain only essential details. Disposal of equipment using flammable refrigerants: See national regulations. Storage of equipment/appliances: The storage of the appliance should be in accordance with DURASTAR.COM...
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Page 13: Additional Precautions
Composition: R-454B is classified as safety group A2L per ASHRAE Standard 34. Verify that service equipment and instruments are certified for use with group A2L refrigerants, and in particular with R-454B is a non-azeotropic mixture of 68.9% by weight difluorometh ane (HFC- 32) and 31.1 % by weight 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf). DURASTAR.COM... - Page 14 WARNING: The minimum room area or the minimum room area of conditioned space is based on releasable charge and total system refrigerant charge. When the unit detects a refrigerant leak, the minimum airflow of the indoor unit is as follows : DRAM18F2A, Model DRAM24F2A,...
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Page 15: Fcc Compliance Statement
Newport News, VA City, State： 23606 Postal Code： Durastar.com Telephone number or internet contact information： FCC Compliance Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 16: Parts Identification
PARTS IDENTIFICATION Indoor Unit Air Outlet Heater Breaker (Optional) Magnetic Filter Cover and Filter Air Inlet Outdoor Unit Air Inlets Signal Cable, Refrigerant Pipes, and Drain Hose Wiring Terminal Valve Cover Air Outlet NOTE Outdoor units will vary in appearance. DURASTAR.COM... -
Page 17: Included Accessories
Image Drain Fitting Gasket NOTE The Durastar wired control (DRSTAT101) functions as an IR receiver for the handheld remote. If the remote is not used, it must be retained with the indoor unit to adjust parameters and for troubleshooting. DURASTAR.COM... -
Page 18: Operation Temperatures
Regularly inspect and clean air filters. NOTE Your Durastar heat pump'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 19: Handling The Remote Controller
A swallowed button cell or coin battery can cause INTERNAL CHEMICAL BURNS in as little as 2 hours. KEEP new and used batteries OUT OF REACH OF CHILDREN Seek immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body. DURASTAR.COM... -
Page 20: Wireless Remote Control Operation
Press to switch temperature display between Celsius and Fahrenheit. 12. LED Button Turns off the LED on the indoor unit if applicable. 13. TURBO Button Press this button in COOL or HEAT mode to operate the unit at it's highest capacity. DURASTAR.COM... -
Page 21: Remote Control Screen Indicators
This fan speed can not be 0-24 hours adjusted in AUTO or DR Y This display is blank when mode. operating in FAN mode. NOTE The indicators shown above are for demonstration only. During operation, only applicable function signs are shown. DURASTAR.COM... -
Page 22: Basic Remote Operation
2. Press the UP and DOWN 3. Point the remote at the thermostat button to start the buttons to set the desired and wait one (1) second. The TIMER time off sequence. time the unit turns off. OFF will be activated. DURASTAR.COM... -
Page 23: Using Advanced Functions
Press the Turbo button and the °C/°F button together and hold for six (5) seconds to activate the Lock Function. All buttons will be locked. To unlock, press and hold the Turbo and the °C/°F buttons for two (2) seconds. DURASTAR.COM... -
Page 24: Care And Maintenance
After long periods of non-use, or before periods of frequent use, do the following: • Inspect for damaged wires. • Clean all filters. • Check for leaks. • Replace batteries. • Make sure nothing is blocking any air inlets or outlets. DURASTAR.COM... -
Page 25: Air Filter Maintenance
This unit ships with a washable air filter to protect the unit in transit. We recommend replacing the washable filter with a disposable filter that has a sufficient density to trap the dust particles in your home. Filter Sizes DRAM18F2A, MODEL DRAM24F2A, DRUM3036S2A... -
Page 26: Troubleshooting
This noise is normal and is caused by the refrigerant gas and outdoor unit make stopping or changing direction. noises Squeaking sound: Normal expansion and contraction of plastic and metal parts caused by temperature changes during operation can cause squeaking noises. DURASTAR.COM... - Page 27 Other IDU refrigerant sensor detects leakage (Multi-zone) EH C1 Refrigerant sensor detects leakage EH C2 Refrigerant sensor is out of range and leakage is detected EH C3 Refrigerant sensor is out of range EL 0C System lacks refrigerant FH CC Refrigerant sensor error DURASTAR.COM...
- Page 28 Wait three minutes after restarting the been activated unit Timer is activated Turn timer off NOTE If your problem persists after performing the checks and diagnostics above, or an error code remains, turn off your unit immediately and contact an authorized service center. DURASTAR.COM...
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Page 29: Limited Warranty - Parts
Covered Equipment Parts are warranted to be free from defects in material and workmanship for a period of seven (7) years from the date of installation, under normal use and service. Durastar will, at its option, repair or replace any part determined by Durastar to be defective. Replacement parts carry the balance of the original parts warranty. - Page 30 These items will be required to complete any warranty service. A Durastar authorized representative will verify warranty eligibility and determine appropriate service options. Service will be provided during normal business hours.
- Page 31 THIS PAGE INTENTIONALLY LEFT BLANK. DURASTAR.COM...
- Page 32 THIS PAGE INTENTIONALLY LEFT BLANK. ©2025 Durastar DURASTAR.COM V1.1 0125...
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