Daikin DZ16TC0481 - User Manual

I MPORTANT S AFETY I NSTRUCTIONS
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!
D ISCONNECT ALL POWER BEFORE SERVICING .
M
ULTIPLE POWER SOURCES MAY BE PRESENT . F AILURE
TO DO SO MAY CAUSE PROPERTY DAMAGE , PERSONAL
INJURY OR DEATH .
WARNING
Only personnel that have been trained to install, adjust, service
or repair (hereinafter, “service”) the equipment specified in this
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.
S CROLL EQUIPPED UNITS SHOULD NEVER BE USED TO EVACUATE THE AIR
CONDITIONING SYSTEM . V ACUUMS THIS LOW CAN CAUSE INTERNAL
ELECTRICAL ARCING RESULTING IN A DAMAGED OR FAILED
COMPRESSOR .
CAUTION
CONDENSING UNIT
HEAT PUMP
INSTALLATION & SERVICE REFERENCE
S HIPPING I NSPECTION
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 accesso-
ries are correct prior to installation. The distributor or manufac-
turer will not accept claims from dealers for transportation dam-
age or installation of incorrectly shipped units.
C ODES & R EGULATIONS
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
performance is achieved after 72 hours of operation. Rated per-
formance is delivered at the specified airflow. See outdoor unit
specification sheet for split system models or product specifica-
tion sheet for packaged and light commercial models. Specifica-
tion sheets can be found at www.daikincomfort.com for Daikin
brand products. Within the website, please select the residen-
tial 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.
The United States Environmental Protection Agency (EPA) has is-
sued various regulations regarding the introduction and disposal
of refrigerants. Failure to follow these regulations may harm the
environment and can lead to the imposition of substantial fines.
T HIS UNIT IS EQUIPPED WITH A 24 VAC TRANSFORMER THAT POWERS
THE HEAT PUMP CONTROL BOARD . W HEN INSTALLED AS A
COMMUNICATING SYSTEM , ONLY 2 WIRES ARE NEEDED BETWEEN
INDOOR AND OUTDOOR EQUIPMENT . H OWEVER , WHEN INSTALLED AS
A NON - COMMUNICATING ( LEGACY ) SYSTEM , THE TRANSFORMER
WIRING ( LOW VOLTAGE AND LINE VOLTAGE ) MUST BE DISCONNECTED .
R
EFER TO THE LOW VOLTAGE WIRING SECTION FOR MORE DETAILS .
NOTICE
INSTALLATION INSTRUCTIONS
Our continuing commitment to quality products may mean a change in specifications without notice.
© 2013-2014, 2016-2017
5151 San Felipe St., Suite 500, Houston, TX 77056
www.daikincomfort.com
IOD-4009F
9/2017
“IMPORTANT - This product has been designed and manufactured to meet ENERGY STAR®
criteria for energy efficiency when matched with appropriate coil components. However,
proper refrigerant charge and proper air flow are critical to achieve rated capacity and
efficiency. Installation of this product should follow the manufacturer’s refrigerant charging
and air flow instructions. Failure to confirm proper charge and air flow may reduce energy
efficiency and shorten equipment life.”

Summary

Daikin Condensing Unit Safety and Installation

Important Safety Instructions

Key safety symbols and warnings for operation and servicing the unit.

High Voltage and General Warnings

Warnings for high voltage, servicing, and potential hazards to property or personnel.

Condensing Unit Installation Clearances

Minimum Airflow Clearance Requirements

Refrigerant Line Installation and Handling

Safe Refrigerant Handling Practices

Essential safety precautions and warnings for handling refrigerants.

Refrigerant Line Specifications

Recommended Interconnecting Tubing Sizes

Refrigerant Line Burying and Connections

Refrigerant Line Connection Procedures

Instructions and precautions for brazing refrigerant lines safely.

Leak Testing and System Evacuation

Methods for leak testing using nitrogen and evacuating the system.

Electrical Connections for Condensing Unit

High Voltage Power Connections

Guidance on routing power supply and ground wires for high voltage.

Low Voltage Control Wiring

Instructions for connecting low voltage control wires for communicating systems.

System Start-Up Procedures

Charge Verification Methods

Methods for verifying refrigerant charge using superheat or subcooling.

Expansion Valve System Charge Adjustment

Final Charge Adjustment in Cooling

Procedures for adjusting refrigerant charge in cooling mode.

Control Wiring for Daikin Systems

System Diagnostics and Setup

Diagnostic Menu Information

Accessing and understanding diagnostic menu information.

Cool Set-Up and Airflow Profiles

Adjusting cooling performance variables and airflow profiles.

System Troubleshooting Guide

Unitary Diagnostic Codes: LED Indicators

Red Communications LED Status

Indicates normal condition or communication failure.

Green Receive LED Status

Shows network status: no power, error, no network, or traffic.

Unitary Diagnostic Codes: Sensor and Fuse Issues

Outdoor Air Temperature Sensor Fault

Faults related to the outdoor air temperature sensor.

Heat Pump Heating Mode Operational Fault

Issues when the heat pump fails to operate in heating mode.

Open Fuse Fault Detection

Unitary Diagnostic Codes: Network Communication

Data Not Yet on Network Fault

Invalid Data on Network Fault

System Mis-Match Fault

Unitary Diagnostic Codes: Compressor Issues

Low Side Fault Diagnosis

Open Circuit Fault

Unitary Diagnostic Codes: Pressure Faults

Low Pressure Cut Out Lockout

High Side Fault Detection

High Pressure Cut Out Trip

Unitary Diagnostic Codes: Cycling and Motor Faults

Short Cycling Fault

Open Start Circuit Fault

Unitary Diagnostic Codes: Circuit and Voltage Faults

Open Start Circuit Lockout

Open Run Circuit Fault

Low Line Voltage Fault

Unitary Diagnostic Codes: Voltage and Protector Faults

High Line Voltage Fault

Low Pilot Voltage Fault

Compressor Protector Open Fault

Daikin DZ16TC0481 Specifications

General

Type	Heat Pump
SEER Rating	16
Refrigerant	R-410A
Compressor Type	Scroll
Voltage	208/230V
Phase	1
Sound Rating	76 dB
Stages	Single Stage
Tonnage	4 Ton
Cooling Capacity	48000 BTU/h
HSPF Rating	9.0