Table of Contents
DZ11TA 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. Fail-
ure to heed safety information increases the risk of personal in-
jury, property damage, and/or product damage.
HIGH VOLTAGE!
Disconnect ALL power before servicing. Multiple
power sources may be present. Failure to do so may
cause property damage, personal injury or death.
Only personnel that have been trained to install, adjust, service or
(hereinafter, "service") the equipment specified in this
repair
manual should service the equipment. The manufacturer will not
be responsible for any injury or property damage arising from
improper 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
installation, adjustment, servicing 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
training may result in product damage, 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.
IOD-4032
4/2018
CAUTION
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2018
5151 San Felipe St., Suite 500, Houston, TX 77056
SHIPPING INSPECTION
Always keep the unit upright; laying the unit on its side or top may
cause equipment damage. Shipping damage, and subsequent in-
vestigation 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 na-
tional codes. Installation in accordance with such codes and/or
prevailing local codes/regulations is the responsibility of the in-
staller. The manufacturer assumes no responsibility for equip-
ment installed in violation of any codes or regulations. Rated per-
formance is achieved after 20 hours of operation. Rated perfor-
mance is delivered at the specified airflow. See outdoor unit speci-
fication sheet for split system models or product specification sheet
for packaged and light commercial models. Specification sheets
can be found at
Within the website, please select the residential or commercial
products menu and then select the submenu for the type of prod-
uct to be installed, such as air conditioners or heat pumps, to ac-
cess a list of product pages that each contain links to that model's
specification sheet.
The United States Environmental Protection Agency (EPA) has
issued various regulations regarding the introduction and dis-
posal of refrigerants. Failure to follow these regulations may harm
the environment and can lead to the imposition of substantial
fines. Should you have any questions please contact the local of-
fice of the EPA.
If replacing a condensing unit or air handler, the system must be
manufacturer approved and Air Conditioning and Refrigeration
Institute (AHRI) matched. NOTE: Installation of unmatched sys-
tems is strongly discouraged.
Outdoor units are approved for operation above 55°F in cooling
mode. Operation below 55°F in cooling mode requires the use of
an approved low ambient kit.
Damage to the unit caused by operating the unit in a structure
that is not complete (either as part of new construction or reno-
vation) is not covered under the warranty.
Refer to the unit Specification Sheet for the recommended indoor
model selection. NOTE: This unit must be used with a purchased
two stage room thermostat with 24 VAC control circuitry.
www.daikinac.com
INSTALLATION INSTRUCTIONS
www.daikinac.com
for Daikin brand products.
Table of Contents
Related Manuals for Daikin DZ11TA Series
Summary of Contents for Daikin DZ11TA Series
- Page 1 Disconnect ALL power before servicing. Multiple can be found at www.daikinac.com for Daikin brand products. power sources may be present. Failure to do so may Within the website, please select the residential or commercial cause property damage, personal injury or death.
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Page 2: Installation Clearances
INSTALLATION CLEARANCES NOTE: These units require special location consideration in areas of heavy snow accumulation and/or areas with prolonged This unit is designed for outdoor installations only. Special consid- continuous subfreezing temperatures. Heat pump unit bases have eration must be given to location of the condensing unit(s) in re- cutouts under the outdoor coil that permit drainage of frost gard to structures, obstructions, other units, and any/all other fac- tors that may interfere with air circulation. -
Page 3: Refrigerant Lines
Do NOT let refrigerant lines come in direct contact with plumbing, ductwork, floor joists, wall studs, floors, and walls. When running refrigerant lines through a foundation or wall, openings should allow for sound and vibration absorbing material to be placed or installed between tubing and foundation. -
Page 4: Refrigerant Line Connections
NOTE: If changing refrigerant types, ensure the indoor coil and LEAK TESTING metering device is compatible with the type of refrigerant being (NITROGEN OR NITROGEN-TRACED) used; otherwise, the indoor coil must be replaced. To facilitate oil return to the compressor, a horizontal suction line should be pitched (1/2”... -
Page 5: Electrical Connections
The supply voltage can be unbalanced (phase to phase) within 2%. The following formula can be used to determine the percent- 5000 age of voltage unbalance for your unit. 4500 Percentage Max. Voltage Deviation From 4000 = 100 x Voltage Average Voltage LEAK(S) 3500... - Page 6 OVERCURRENT PROTECTION TWO STAGE LOW VOLTAGE HOOK-UP The following overcurrent protection devices are approved for use. THERMOSTAT • Time delay fuses • HACR type circuit breakers CONDENSING These devices have sufficient time delay to permit the motor-com- UNIT HANDLER pressor to start and accelerate its load. GREEN YELLOW Refer to the unit serial plate for the maximum overcurrent pro-...
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Page 7: Final Charge Adjustment
FINAL CHARGE ADJUSTMENT NOTE: When adjusting the charge, allow the compressor to operate for about 10 minutes before taking readings. The outdoor temperature must be 60°F or higher. Set the room thermostat to COOL, fan switch to AUTO, and set the tempera- NOTE: Subsequent opening and replace of the cap will require ture control well below room temperature. -
Page 8: Troubleshooting
9. Shut off power to the unit. HIGH VOLTAGE! Disconnect ALL power before servicing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death. HIGH VOLTAGE! Disconnect ALL power before servicing. Multiple power sources may be present. - Page 9 Poor Termination of Defrost COMMON CAUSES FOR UNSATISFACTORY The defrost sensor must make good contact with the outside coil OPERATION OF HEAT PUMPS IN HEATING MODE return bend or a non-termination of defrost may occur. Dirty Filters Reversing Valve Dirty filters or inadequate airflow through the indoor coil. Failure A reversing valve may not function correctly for the following rea- to keep clean filters and adequate airflow (375-425 CFM/ton) will sons:...
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Page 11: Wiring Diagram
WIRING DIAGRAM LVDR 0-RV C-RV HVDR Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. - Page 12 Our continuing commitment to quality products may mean a change in specifications without notice. © 2018 5151 San Felipe St., Suite 500, Houston, TX 77056 www.daikinac.com...