Advertisement
Quick Links
DH4SEA SERIES
THREE-PHASE
CONDENSING UNIT
HEAT PUMP
3, 4, 5 TON APPLICATION
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 CAPABILITIES, 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.
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2024
IOD-4063C
11/2024
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.
DO NOT BYPASS SAFETY DEVICES
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.
DO NOT USE MEANS TO ACCELERATE THE DEFROSTING
PROCESS OR TO CLEAN, OTHER THAN THOSE
RECOMMENDED BY THE MANUFACTURER.
THE APPLIANCE SHALL BE STORED IN A ROOM WITHOUT
CONTINUOUSLY OPERATING IGNITION SOURCES (FOR
EXAMPLE: OPEN FLAMES, AN OPERATING GAS APPLIANCE
OR AN OPERATING ELECTRIC HEATER.
DO NOT PIERCE OR BURN.
BE AWARE THAT REFRIGERANTS MAY NOT CONTAIN AN
ODOR.
WARNING
WARNING
CAUTION
WARNING
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for Daikin DH4SEA Series
Summary of Contents for Daikin DH4SEA Series
- Page 1 INSTALLATION INSTRUCTIONS DH4SEA SERIES THREE-PHASE WARNING CONDENSING UNIT HIGH VOLTAGE Disconnect all power before servicing or HEAT PUMP installing this unit. Multiple power sources 3, 4, 5 TON APPLICATION may be present. Failure to do so may cause property damage, personal injury or death.
-
Page 2: Installation Clearances
Shipping Inspection Note: This appliance is suitable for outdoor use. Always keep the unit upright; laying the unit on its side or top may cause equipment damage. Shipping damage, and sub- Installation Clearances sequent investigation is the responsibility of the carrier. Verify Special consideration must be given to location of the con- the model number, specifications, electrical characteristics, densing unit(s) in regard to structures, obstructions, other... -
Page 3: Wiring Diagrams
Wiring Diagrams SEE NOTE #4 #18 GA. 7 WIRE AIR HANDLER BL BL HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 10 kW AND BELOW SEE NOTE #4 #18 GA. 7 WIRE AIR HANDLER HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 15 kW AND ABOVE NOTES: NOMENCLATURE: COLOR CODES... -
Page 4: Storage And Transportation
While these items will not cover every conceivable situa- models or product specification sheet for packaged and light tion, they should serve as a useful guide. commercial models. Specification sheets can be found at www.daikincomfort.com for Daikin brand products. Within ® WARNING... -
Page 5: Refrigerant Lines
Refrigerant Lines WARNING CAUTION To avoid possible explosion, use only returnable (not disposable) service cylinders when removing refrigerant The compressor oil for R-32 units is extremely susceptible from a system. to moisture absorption and could cause compressor failure. • Ensure the cylinder is free of damage which could lead Do not leave system open to atmosphere any longer than to a leak or explosion. -
Page 6: Burying Refrigerant Lines
Burying Refrigerant Lines RECOMMENDED INTERCONNECTING TUBING (Ft) Cond 0-24 25-49 50-79* If burying refrigerant lines can not be avoided, use the fol- Unit lowing checklist. Line Diameter (In. OD) Tons 1. Insulate liquid and suction lines separately. Suct Suct Suct 3 3/4 2. - Page 7 4. Ensure the filter drier paint finish is intact after brazing. NOTE: Scroll compressors should never be used If the paint of the steel filter drier has been burned or to evacuate or pump down a heat pump or air chipped, repaint or treat with a rust preventative.
-
Page 8: High Voltage Connections
Percentage Max Voltage Deviation From Average Voltage Unbalance = 100 x Average Voltage WARNING L1 – L2 = 220 V Example: L2 – L3 = 216 V all accessories that may become a potential ignition source if installed, such as electronic air cleaners, must only be L1 –... -
Page 9: Low Voltage Connections
Low Voltage Connections Initial Charge Addition Liquid Line Diameter (in. OD) Heat pump unit control wiring requires 24V minimum, 25VA per Foot (oz) service from the indoor transformer. Low voltage wiring for 0.23 0.53 two-stage units depends on the thermostat used and the Suction Line number of control wires between the indoor unit and the con- 0.55... - Page 10 SATURATED SUCTION PRESSURE SATURATED LIQUID PRESSURE TEMPERATURE CHART TEMPERATURE CHART SUCTION SATURATED SUCTION LIQUID SATURATED SUCTION PRESSURE TEMPERATURE ºF PRESSURE TEMPERATURE ºF PSIG R-32 PSIG R-32 NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE.
- Page 11 Charge Verification For detailed charge and TXV adjustments refer to the appropriate Service Manual. WARNING Expansion Valve System Charge by Subcooling: Applicable to Adjustable TXV REFRIGERANT UNDER PRESSURE! • Do not overcharge system with refrigerant. SUBCOOLING FORMULA = SATURATED LIQUID LINE •...
- Page 12 3. The difference between the recorded suction line System Service and Decommissioning temperature and the saturated suction temperature is Should repairs requiring recovery of the refrigerant become the Superheat value. necessary, special considerations must be made when 4. TXV-based systems should have a Superheat value breaking into systems with flammable refrigerants.
-
Page 13: Troubleshooting Information
Troubleshooting Information System Complaint No Cooling Unsatisfactory Cooling/Heating Operating Pressures POSSIBLE CAUSE Test Method DOTS IN ANALYSIS Remedy GUIDE INDICATE "POSSIBLE CAUSE" • Power Failure Test Voltage • • • Blown Fuse Inspect Fuse Size & Type • • • Unbalanced Power, 3PH Test Voltage •... - Page 14 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 the Serial Plate by the corresponding altitude adjustment factor shown below. This table is provided as a reference.
-
Page 15: Split Systems
SPLIT SYSTEMS AIR CONDITIONING AND HEAT PUMP HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. Replace or Clean Filter Clean Outside Coil (Qualified Servicer Only) IMPORTANT NOTE: Never operate unit without a filter in- WARNING stalled as dust and lint will build up on internal parts resulting... -
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: Start-Up Checklist
Start-Up Checklist Condenser / Heat Pump (including all Inverter) Model Number Serial Number ELECTRICAL (Outdoor Unit) L1 - L2 Supply Voltage L2 - L3 L3 - L1 R - C Secondary Voltage (Measure Transformer Output Voltage) NOT ALL MODELS Compressor Amps Condenser Fan Amps TEMPERATURES (Indoor Unit) DB °F... - Page 18 THIS PAGE LEFT INTENTIONALLY BLANK...
- Page 19 THIS PAGE LEFT INTENTIONALLY BLANK...
- Page 20 CUSTOMER FEEDBACK Daikin Comfort Technologies 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.
Need help?
Do you have a question about the DH4SEA Series and is the answer not in the manual?
Questions and answers