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DH6TE SERIES
CONDENSING UNIT
Heat Pump Installation
& Service Reference
Important Safety Instructions
The following symbols and labels are used throughout this
manual to indicate immediate or potential safety hazards.
It is the owner's and installer's responsibility to read
and comply with all safety information and instructions
accompanying these symbols. Failure to heed safety
information increases the risk of personal injury, property
damage, and/or product damage.
NOTE: This equipment is approved to use only with R-32
refrigerant.
Only personnel that have been trained to install, adjust,
service, maintenance or repair (hereinafter, "service")
the equipment specified in this manual should service the
equipment.
This equipment is not intended for use by persons
(including children) with reduced physical, sensory or
mental capacities, or lack of experience and knowledge,
unless they have been given supervision or instruction
concerning use of the appliance by a person responsible
for their safety.
Children should be supervised to ensure that they do not
play with the equipment.
The manufacturer will not be responsible for any injury
or property damage arising from improper supervision,
service or service procedures. If you service this unit, you
assume responsibility for any injury or property damage
which may result. In addition, in jurisdictions that require
one or more licenses to service the equipment specified in
this manual, only licensed personnel should service the
equipment. Improper supervision, installation, adjustment,
servicing, maintenance or repair of the equipment specified
in this manual, or attempting to install, adjust, service
or repair the equipment specified in this manual without
proper supervision or training may result in product
damage, property damage, personal injury or death.
Do not bypass safety devices.
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2024
IOD-1065A
08/2024
WARNING
WARNING
19001 Kermier Rd. Waller, TX 77484
www.daikincomfort.com
INSTALLATION INSTRUCTIONS
HIGH VOLTAGE
Disconnect all power before servicing or
installing this unit. Multiple power sources
may be present. Failure to do so may cause
property damage, personal injury or death.
Scroll equipped units should never be used to evacuate
the air conditioning system. Vacuums this low can cause
internal electrical arcing resulting in a damaged or failed
compressor.
Shipping Inspection
Always keep the unit upright; laying the unit on its side
or top may cause equipment damage. Shipping damage,
and subsequent investigation is the responsibility of
the carrier. Verify the model number, specifications,
electrical characteristics, and accessories are correct
prior to installation. The distributor or manufacturer will not
accept claims from dealers for transportation damage or
installation of incorrectly shipped units.
Codes & Regulations
This product is designed and manufactured to comply
with national codes. Installation in accordance with such
codes and/or prevailing local codes/regulations is the
responsibility of the installer. This unit DH6TE090 or
DH6TE120 is a partial unit air conditioner, complying with
partial unit requirements for international standard IEC
60335-2-40, and must be only connected to other units that
have been confirmed as complying to corresponding partial
unit requirements of international standard IEC 60335-2-40.
The manufacturer assumes no responsibility for equipment
installed in violation of any codes or regulations. Rated
performance is achieved after 20 hours of operation. Rated
performance is delivered at the specified airflow. See
outdoor unit specification sheet for split system models
or product specification sheet for packaged and light
commercial models. Specification sheets can be found at
www.daikincomfort.com for Daikin brand products. Within
the website, please select the residential or commercial
products menu and then select the submenu for the type
of product to be installed, such as air conditioners or heat
pumps, to access a list of product pages that each contain
links to that model's specification sheet.
WARNING
CAUTION
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Related Manuals for Daikin DH6TE Series
Summary of Contents for Daikin DH6TE Series
- Page 1 Specification sheets can be found at damage, property damage, personal injury or death. www.daikincomfort.com for Daikin brand products. Within the website, please select the residential or commercial WARNING products menu and then select the submenu for the type...
- Page 2 WARNING WARNING Do not operate the compressor(s) without the terminal Do not use means to accelerate defrosting process or to plug fully engaged or the terminal cover properly clean, other than those recommended by the manufacturer. installed. Get away if unusual sounds are heard from within The appliance shall be stored in a room without the compressor.
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Page 3: Installation Clearances
Damage to the unit caused by operating the unit in a WARNING structure that is not complete (either as part of new construction or renovation) is not covered under the warranty. Hermetic compressor electrical terminal venting can be dangerous. In certain circumstances, the terminal may be expelled, venting the refrigerant vapor and compressor Refer to the unit Specification Sheet for the recommended oil contained within the compressor housing and system. -
Page 4: Rooftop Installations
Rooftop Installations WARNING If it is necessary to install this unit on a roof structure, ensure the roof structure can support the weight and that proper consideration is given to the weather-tight integrity To avoid possible injury, explosion or death, practice safe handling of refrigerants. -
Page 5: Burying Refrigerant Lines
Refrigerant Lines Refrigerant Lines NOTE: For improved refrigerant management, equip the liquid line with a field-supplied liquid line solenoid. Ensure the solenoid is installed as close as possible to the evaporator coil to prevent refrigeration migration in the compressor “OFF” cycle. The maximum allowable pressure shall be considered when connecting to a condenser or evaporator unit. -
Page 6: Refrigerant Line Connections
Refrigerant Line Connections System Evacuation IMPORTANT: To avoid overheating the service valve, TXV Condensing unit liquid and suction valves are closed to valve, or filter drier while brazing, wrap the component contain the charge within the unit. The unit is shipped with with a wet rag, or use a thermal heat trap compound as the valve stems closed and caps installed. -
Page 7: Accessory Installation
THE FOLLOWING INSTRUCTIONS ARE MANDATORY FOR A2L SYSTEMS AND SUPERSEDE OTHER INSTRUCTIONS WARNING ONLY BRAZING TECHNIQUES AND APPROVED MECHANICAL JOINTS SHOULD BE USED TO CONNECT REFRIGERANT TUBING CONNECTIONS. NON-APPROVED MECHANICAL CONNECTORS AND OTHER METHODS ARE NOT PERMITTED IN THIS SYSTEM CONTAINING A2L REFRIGERANT. APPROVED MECHANICAL JOINTS WILL BE DETAILED IN THE PRODUCT'S SPECIFICATION SHEETS. - Page 8 ALTITUDE ADJUSTMENT FACTOR TO CALCULATE MINIMUM ROOM AREA The Indoor equipment mitigation requirements are calculated at sea level. For higher altitudes adjust the minimum room area specified on or near the Serial Plate or in the installation instruction manual by the corresponding altitude adjustment factor shown below.
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Page 9: Electrical Connections
Electrical Connections MAXIMUM ALLOWABLE LENGTH IN FEET TO LIMIT VOLTAGE DROP TO 2% (COPPER CONDUCTOR) WARNING Wire Minimum Circuit Ampacity (MCA) Size HIGH VOLTAGE! (AWG) Disconnect all power before servicing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death due to electric shock. -
Page 10: High Voltage Connections
Run all line voltage wiring and conduit from the service TERMINAL BLOCK - INDOOR UNIT disconnect box to the unit. Refer to the NEC (USA) or CEC W1 W2 T1 T2 (Canada) codes for the correct size conduit based on the wire size. -
Page 11: Charge Verification
Charge Verification Expansion Valve System NOTE: Expansion valve bulb must be in place on suction WARNING line & insulated. REFRIGERANT UNDER PRESSURE! Expansion Valve Indoors TXV Adjustment • Do not overcharge system with refrigerant. At stabilized full load cooling conditions and with an •... - Page 12 TROUBLESHOOTING ANALYSIS TABLE COMPLAINT PROBABLE CAUSE REMEDY 1. Excessive charge of refrigerant in the system 1. Purge or pump-down excessive charge. 2. Inadequate supply of air across the condenser 2. Make certain that coil is not fouled in any way, or that air coil.
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Page 13: Troubleshooting
During defrost the following actions occur: 6. After a few minutes the defrost thermostat should 1. The reversing valve is energized and the heat pump close. To verify the position of the thermostat check operates in the cooling mode. for 24V between “DFT” and “C” on the defrost board. 2. -
Page 14: Reversing Valve
Low Return Air Temperatures Return ductwork temperatures that are less than 60°F will cause low discharge pressure, low suction pressure and excessive defrost cycling. Undercharging An undercharged system will cause low discharge pressure, low suction pressure and an accumulation of frost on the lower section of the outdoor coil. -
Page 15: Control Box Components
CONTROL BOX COMPONENTS Lead Lag Board Defrost Status Board Compressor Defrost 2 contactor Relay Compressor 1 contactor RED LED’S STATUS FLASHING PATTERNS MODE FLASHING PATTERN 1 Normal Mode (with oil returned enabled) Continuous Blink LED 2 Normal Mode (with oil return disabled) Solid LED Lead/Lag Control Board The Lead/Lag board will provide control logic to the compressors. -
Page 16: Wiring Diagram
WIRING DIAGRAM Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. - Page 17 PAGE LEFT INTENTIONALLY BLANK.
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- Page 20 CUSTOMER FEEDBACK Daikin is very interested in all product comments. Please fill out the feedback form on the following link: https://daikincomfort.com/contact-us You can also scan the QR code on the right to be directed to the feedback page. Our continuing commitment to quality products may mean a change in specifications without notice.
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