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Installation and Owner's Manual
24V THERMOSTAT INTERFACE MODULE
DR24VINT2
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
1
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Table of Contents
Related Manuals for DURASTAR DR24VINT2
Summary of Contents for DURASTAR DR24VINT2
- Page 1 Installation and Owner's Manual 24V THERMOSTAT INTERFACE MODULE DR24VINT2 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
WIRING DIAGRAM ....................18 COVER THE UNIT DISPLAY ................20 LED DISPLAY INDICATORS ................21 AUX HEATING (OPTIONAL) ................22 SETTING OPTIMAL RUN SWITCHES ............23 DIP SWITCH SETTINGS ..................24 24V SIGNAL CHART ....................26 LIMITED WARRANTY - PARTS................ 28 DURASTAR.COM... -
Page 3: Compatibility Chart
COMPATIBILITY CHART This chart shows the compatibility and connection method of the DR24VINT2 with various indoor units. MODEL TYPE COMPATIBILITY CONNECTION METHOD DRAW_F1A DRAW_F1B XYE/12V via DRPDRAWMFB1 DRAC_F1A, 4-pin cable DRAC24F1B DRAL_F1A 4-pin cable DRAF_F1A 4-pin cable DRAS12F1A, DRAS12F1B DRAD_F1A... -
Page 4: Introduction
• The troubleshooting section at the end of the manual may solve common problems. Contact a trained service provider if errors persist. • 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... -
Page 5: Safety Warnings
• DO NOT install the thermostat near flammable liquids or gases. Doing so creates a fire hazard. • DO NOT operate the unit with wet hands, as this could lead to electrical shock. • DO NOT remove the cover or touch the interior parts of the remote control. DURASTAR.COM... -
Page 6: Included Accessories
INCLUDED ACCESSORIES The following items are included in the kit: ACCESSORY NOTES Installation and Owner's ---- Manual DR24VINT2 Interface ---- M4 x 25 Mounting Screws Used to mount the interface Wall Anchors ---- For grounding the M4x8 Screw DRPDRSTATEXT1 wire... - Page 7 • DRPDRAWMFB1 (if installing with a DRAWxxF1B indoor unit) Optional Accessories The following installation accessories are optional and can be purchased separately. • Putty Tools Needed The following tools are required for installation. • Phillips screwdriver • Flat head thermostat screwdriver • Drill DURASTAR.COM...
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Page 8: Dimensions
Non-Polar 2-Conductor Wire Gauge 16 AWG - 20 AWG* HA/HB Non-Polar 2-Conductor Wire 65 ft (20m) max length Max Length *On new installations or if you experience communication interference, it is strongly suggested to use 16 AWG stranded, shielded wire. DURASTAR.COM... -
Page 9: Installation Considerations
CAUTION Failure to follow this caution may result in equipment damage or improper operation. Improper wiring or installation may damage the thermostat. Check to make sure wiring is correct before proceeding with installation or turning on unit. DURASTAR.COM... -
Page 10: Mounting The Interface
Remove the top panel of the interface by inserting a screwdriver into the two slots on the bottom and twisting. Be careful not to break the tabs on the cover and do not pry up and down with the screwdriver. Back cover Slots DURASTAR.COM... - Page 11 Over-tightening the screw will cause deformation to the rear cover and control board damage. Putty NOTE Trap In order to prevent water or condensation getting into the interface, we recommend making a loop with the wire or using putty. DURASTAR.COM...
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Page 12: Wiring The Interface
Connect the Interface to the Indoor Unit There are several methods to connect this interface module depending on which indoor unit is being connected. Refer to the indoor unit model and the compatibility table on page 3 for guidance. DURASTAR.COM... - Page 13 Connection methods will differ depending on the indoor unit model. Reference the chart on page 3 to determine which method to use. NOTE It is suggested to use only use one 20' DRPDRSTATEXT1 wire extension (sold separately) if it is necessary to extend the wire. DURASTAR.COM...
- Page 14 XYE/12V Connection Method for DRAW_F1B High Wall Indoor Units (DRPDRAWMFB1 purchased separately) and DRAW_F2A High Wall (DRPDRAWMFB1 included) DRPDRAWMFB1 DRAW Display Board Display board DRPDRSTATADPT1 DRPDRSTATXYE Optional DRPDRSTATEXT1 (sold separately) X Y E 5V/12V White Shield Wire Yellow Brown DURASTAR.COM...
- Page 15 • 7-wire branching cable (7-pin plug to a 3-pin plug and 4-pin plug) Wiring Diagram CN18 CN32 MAIN BOARD 4(8) DISPLAY BOARD CN40 CN43 MULTI FUNCTION CONTROL BOARD CN45 CN46 CN42 CN41 E 12V/5V To Remote Alarm To Remote Switch To DR24VINT2 DURASTAR.COM...
- Page 16 5. Plug the 2-wire cable provided into the 2-pin (yellow/brown) wire coming from port CN32 on the main board and then into port CN43 on the multifunction board. 6. Feed the wires through the channels on the indoor unit to avoid crimping the wires when closing the front cover. DURASTAR.COM...
- Page 17 HA/HB ports on the indoor unit depending on your chosen application. The HA/HB ports do not have polarity. INDOOR UNIT HA HB INTERFACE MODULE NOTE The maximum is 65ft (20m). For the best communication, use 16 AWG stranded shielded wire, grounding the shield as seen above. DURASTAR.COM...
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Page 18: Wiring Diagram
24 volt circuits 24VAC 24V THERMOSTAT TRANSFORMER 115/208/230VAC L1(1) L2(2) 24V THERMOSTATS SETTING Indoor Unit This symbol indicates the element 1 2 3 1 2 3 1 2 3 is optional and not provided. Code ON~OFF ON~OFF ON~OFF DEFAULT SETTING DURASTAR.COM... - Page 19 4. When the 24V thermostat is connected to control the unit, the remote control can only be used for the SWING function and can not be used for other functions. DURASTAR.COM...
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Page 20: Cover The Unit Display
LED display will be ON for 15 seconds every 5 minutes. Cover the indoor unit’s display board with a sticker on the backside of the panel and use the 24V thermostat display only. Paste the sticker covering the display area. DURASTAR.COM... -
Page 21: Led Display Indicators
Purpose 24V Power Connection Common Fan Control Low Cooling Y/Y2 High Cooling Heating Reversing Valve Heating Control Stage 1 Electric Heating E/AUX Emergency Heating Dry (Dehumidification) System Fault Signal (output) Output Terminal 12V Output to Drive Aux Heating Relay DURASTAR.COM... -
Page 22: Aux Heating (Optional)
C) (default) or 4 F (2 C) below the set point (as set by DIP switch SW3-3). The contact opens when the temperature rises and reaches the set point. In cooling or fan mode the contact is always open. DURASTAR.COM... -
Page 23: Setting Optimal Run Switches
APPLICATIONS depending on the type of unit being used. SW2-4 SW3-4 Unit Connected All DRAW, All DRAL, DRAS_F2B, DRAC24F1B, DRAC_F2A Default All DRAD, All DRAF, DRAC_F1A NOTE If the indoor unit is in a multi-zone applications SW2-3 must be switched ON. DURASTAR.COM... -
Page 24: Dip Switch Settings
Irregular unit operation or unit damage could occur if switches are improperly set. VERIFY PROPER SETTINGS! Cooling Fan Speed SW1-1 SW1-2 SW1-3 Auto Fan Function Middle High Turbo (Default) Heating Fan Speed SW1-4 SW2-1 SW2-2 Auto Fan Function Middle High Turbo (Default) DURASTAR.COM... - Page 25 Heat demand output gap SW3-3 compare F (1 F (2 with ambient temperature See Optimal See Optimal Not needed in Split selective SW3-4 Run Switches Run Switches multi-zone (if dialling code 2 Table Table SW2-3 is ON) DURASTAR.COM...
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Page 26: 24V Signal Chart
(c) When the OFF mode or cooling mode are transferred to the fan mode, the fan of indoor unit will run in low speed. DURASTAR.COM... - Page 27 Note 2: When the indoor unit does not support auxiliary heating only mode, the indoor unit operates in heating mode. Note 3: When the indoor unit does not have the electric auxiliary heating function, the indoor unit operates in heating mode. DURASTAR.COM...
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Page 28: 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 29 (90) day registration window will be subject to the base warranty terms outlined herein. To register your Covered Equipment online, go to: www.durastar.com/warranty-registration Registered Residential Warranty: TEN (10) years Registered Commercial Warranty: FIVE (5) years FLORIDA, TEXAS, AND CALIFORNIA RESIDENTS ONLY: Failure to register Covered Equipment does not diminish or decrease your limited warranty length.
- Page 30 In addition to the other exclusions identified in this Limited Warranty, this Limited Warranty excludes: • Damages, malfunctions, or failures resulting from failure to properly install, operate, or maintain Covered Equipment in accordance with the Manufacturer’s instructions. • Damages, malfunctions, or failures resulting from misuse, accident, DURASTAR.COM...
- Page 31 Covered Equipment that is not part of a properly matched system as specified by the Air Conditioning, Heating & Refrigeration Institute (AHRI). OBTAINING WARRANTY SERVICE If you believe your Covered Equipment is defective, contact the licensed contractor who installed your mini-split system. Alternatively, contact a licensed contractor, dealer, or distributor. DURASTAR.COM...
- Page 32 Customer Support, please locate your model number, serial number, and proof of purchase. 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.
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