Table of Contents
Advertisement
Quick Links
INSTALLATION MANUAL
FOUR-WAY CASSETTE INDOOR UNIT
DRAC0912F2A, DRAC18F2A, DRAC24F2A,
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 in-
stalled and write it above for future reference.
DURASTAR.COM
1
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for DURASTAR DRAC0912F2A
Summary of Contents for DURASTAR DRAC0912F2A
- Page 1 FOUR-WAY CASSETTE INDOOR UNIT DRAC0912F2A, DRAC18F2A, DRAC24F2A, 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 in- stalled and write it above for future reference. DURASTAR.COM...
-
Page 2: Table Of Contents
INDOOR UNIT BTU SETTING (FOR MULTI-ZONE) .........25 STEP 6: PREPARE REFRIGERANT PIPING ............25 STEP 7: WRAP PIPES AND CABLE ................25 STEP 8: INSTALL PANEL ....................26 STEP 9: COMPLETE A WATER DISCHARGE TEST ........30 TROUBLESHOOTING .....................30 WIRING DIAGRAMS ......................34 ERROR CODES ........................36 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...
-
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...
-
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...
-
Page 13: Additional Precautions
The total system charge includes any component that holds refrigerant, including line sets, indoor coils, and outdoor units. The minimum room area for operating and storing the unit should be as specified in the following table. DURASTAR.COM... - Page 14 When the unit detects a refrigerant leak, the minimum airflow of the indoor unit is as follows : Model DRAC0912F2A DRAC18F2A DRAC24F2A Nominal Air Volume 353 CFM (600 m³/h) 418 CFM (710 m³/h) 448 CFM (760 m³/h) 765 CFM (1300 m³/h)
-
Page 15: 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 16: Included Accessories
Liquid Pipe 0 - 1 0 - 1 Insulation Insulation Drain Pipe 2 (9-18K) / 6 Screw Worm Clamp (24K) Wireless Copper Nut Module Cable Magnetic Ring 0 - 2 Cable Tie 0 - 6 Rubber Block 0 - 1 DURASTAR.COM... -
Page 17: Tools Needed
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 18: Parts Identification
Remote Control Remote Control Holder Signal Cable, Air Inlets Refrigerant Pipes, and Drain Pipe 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 19: Indoor Unit Installation
>13’ (4m) >7-1/2’ (2.3m) Ground MODEL A (UNIT DEPTH) B (CEILING OPENING ) H (PLENUM DEPTH) 9-5/8" (244mm) 23-5/8" (600mm) >10-13/16" (274mm) DRAC0912F2A 9-5/8" (244mm) 23-5/8" (600mm) >10-13/16" (274mm) DRAC18F2A 8" (204mm) 35-7/16" (900mm) >9" (230mm) DRAC24F2A NOTE 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. -
Page 20: Step 2: Hang Indoor Unit
The ceiling opening must be slightly larger than the cassette body and smaller than the panel for the components to install correctly. Carefully measure and mark the locations where the ceiling holes will be drilled for the suspension bolts. DRAC0912F2A / DRAC18F2A DRAC24F2A Suspension bolts:... -
Page 21: Step 3: Drill Wall Hole For Connective Piping
To keep the drain pipe from sagging, install hanging wires every 3-5'. Do not allow the drain pipe to bend or sag and trap condensation. 3’-5’ (1-1.5m) No bending Downward slope or sagging 1/100 DURASTAR.COM... -
Page 22: Step 5: Connect Signal Cable
1/8" (3mm) must be incorporated in the fixed wiring. A qualified technician must use an approved circuit breaker or switch. 7. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance to that outlet. DURASTAR.COM... - Page 23 2. Open the control box lid of the indoor unit. Reference the wiring diagram located on the lid. 3. Unscrew the cable clamp below the terminal block and place it to the side. 4. Connect the supplied conduit mounting bracket if desired. Conduit cord screws Conduit Chassis Conduit (not supplied) installation plate installation plate DURASTAR.COM...
- Page 24 Zip Tie Refrigerant Plastic Outlet Drain (Field Supplied) Cover Control box lid pipes pipe Wire outlet (wiring diagram) WARNING All wiring must be performed strictly in accordance with the wiring diagram located on the inside of the control box lid. DURASTAR.COM...
-
Page 25: Indoor Unit Btu Setting (For Multi-Zone)
ENC1 Rotary Switch Settings (If Available) Indoor Unit Model 9,000 BTU 12,000 BTU DRAC0912F2A STEP 6: PREPARE REFRIGERANT PIPING 1. If pre-existing refrigerant piping is already embedded in the wall, proceed directly to Step 8: Install Panel. 2. If there is no pre-existing piping, connect the indoor unit’s refrigerant piping to the connective piping that will join the indoor and outdoor units. -
Page 26: Step 8: Install Panel
Push both of the release tabs towards the middle simultaneously to unlock the latch on the panel. • Hold the panel at a 45oangle, lift it up slightly, and detach it from the main panel body. Screw cover 45° Release tabs DURASTAR.COM... - Page 27 Refrigerant Piping side Drain side Latch Latch 4. On the 9-18k model (panel DRACPANA2A): The unit has hooks on the inside air flow ring. Hang the panel on these hooks to assist with the wiring and mounting process. DURASTAR.COM...
- Page 28 3/16"-1/4" (4-6mm). The edge of the panel should be in contact with the ceiling board. Unit body Ceiling board 3/16”-1/4” (4-6mm) Panel Panel foam 7. Carefully adjust the panel so that the ceiling opening is completely covered. DURASTAR.COM...
- Page 29 12. Reinstall the installation cover plate by fixing the installation cover plate rope to the pillar of the installation plate and gently pressing the installation cover plate into the panel. When installing the cover, slide the four slide fasteners into the corresponding slots on the panel. Four Fasteners DURASTAR.COM...
-
Page 30: Step 9: Complete A Water Discharge Test
• The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips • Water or other objects fall into or out of the unit DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED SERVICE PROVIDER IMMEDIATELY! DURASTAR.COM... -
Page 31: Common Issues
Interference from cell phone towers and remote boosters may cause unpredictable, or unit the unit to malfunction. In this case, try the following: is unresponsive • Disconnect the power, then reconnect. • Press ON/OFF button on remote control to restart operation. DURASTAR.COM... - Page 32 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 33 5 to 6 minutes before stopping. You can also press any button on the remote controller to stop the buzzer. The unit will go into Turbo to mitigate the leak. Check connections and perform a leak test as described in the outdoor unit installation manual. DURASTAR.COM...
-
Page 34: Wiring Diagrams
WIRING DIAGRAMS DRAC0912F2A, DRAC18F2A DURASTAR.COM... - Page 35 DRAC24F2A DURASTAR.COM...
-
Page 36: Error Codes
ODU IPM module protection PC01 ODU voltage protection PC02 Compressor top (or IPM) temp. protection PC03 Pressure protection (low or high pressure) PC04 Inverter compressor drive error PC0L Low ambient temperature protection ---- IDUs mode conflict (Multi-zone) ©2024 Durastar DURASTAR.COM V1.0 1124...
Need help?
Do you have a question about the DRAC0912F2A and is the answer not in the manual?
Questions and answers