Daikin DZ16TC0241 - 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

Condensing Unit Installation and Service Reference

Important Safety Instructions

Key safety symbols and labels used throughout the manual for hazard identification and prevention.

High Voltage Safety Warning

Warning to disconnect all power before servicing due to potential for property damage or injury.

Qualified Personnel Requirement

Requirement for trained personnel to install, adjust, service, or repair the equipment.

Refrigerant Lines Installation and Handling

Safe Refrigerant Handling Guidelines

Essential safety guidelines for handling refrigerants to prevent injury or death.

Refrigerant Cylinder Safety

Safety warnings related to handling refrigerant cylinders, including heating and filling precautions.

Refrigerant Line Connections and Testing

Refrigerant Line Connections

Leak Testing with Nitrogen

Procedure for leak testing refrigeration systems using dry nitrogen, emphasizing safety.

System Evacuation Procedure

Steps for evacuating the system, including closing valves and removing plugs.

System Evacuation and Electrical Connections

Caution: Suction Pressure Limits

Warning against prolonged operation at low suction pressures to prevent scroll damage.

System Evacuation Steps

Detailed steps for evacuating the system to 250 microns or less and checking for leaks.

Electrical Connections

Guidelines for making electrical connections, including wire types and sizing.

System Start Up Procedures

Refrigerant Charge Adjustment

Guidelines for adding or removing refrigerant to achieve proper charge based on lineset length.

System Start Up Sequence

Charge Verification Methods

Heat Pump Heating Cycle Charging

Checking Subcooling and Superheat

Procedure for checking and adjusting subcooling and superheat for proper system charging.

System Troubleshooting and Diagnostics

Unitary Diagnostic Codes Troubleshooting

Red Communications LED Status

Green Receive LED Status

Condensing Unit Troubleshooting Guide

Condensing Unit Symptoms and Causes

Table correlating symptoms, possible causes, and test methods for condensing unit issues.

Condensing Unit Test Methods and Remedies

Detailed test methods and remedies for various condensing unit problems.

Unitary Diagnostic Codes: System Troubleshooting

System Diagnostic LED Codes

Table of diagnostic codes for system operation, fault description, causes, and corrective actions.

Corrective Actions and Notes

Unitary Diagnostic Codes: Network and System Mismatches

Network Data Issues and Mismatches

Troubleshooting codes related to network data, invalid data, and system mismatches.

Unitary Diagnostic Codes: Faults and Performance

Low Side Fault Troubleshooting

Locked Rotor and Open Circuit Faults

Unitary Diagnostic Codes: Pressure and Fan Issues

High and Low Pressure Faults

High Pressure Cut Out Lockout

Unitary Diagnostic Codes: Cycling and Circuit Issues

Short Cycling and Locked Rotor Faults

Open Circuit and Start Circuit Faults

Unitary Diagnostic Codes: Circuit and Voltage Issues

Open Start Circuit Lockout

Open Run Circuit and Low Line Voltage

Unitary Diagnostic Codes: Voltage and Pilot Issues

High Line Voltage Faults

Low Pilot Voltage and Compressor Issues

Daikin DZ16TC0241 Specifications

General

Brand	Daikin
Model	DZ16TC0241
Category	Heat Pump
Language	English