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Bryant ZONE PERFECT TWO-ZONE User Manual

Bryant ZONE PERFECT TWO-ZONE
16 pages
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NOTE: Read the entire instruction manual before starting the
installation.
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TABLE OF CONTENTS
PAGE
Safety Considerations.....................................................................1
Installation Considerations.............................................................1
Introduction ....................................................................................1
Installation...................................................................................1-4
Sequence Of Operation...............................................................4-7
Thermostat Wiring......................................................................6-8
Care And Maintenance ..................................................................8
Troubleshooting ........................................................................9-11
Wiring Diagrams.....................................................................12-16
Wiring Diagram Notes.................................................................16
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause fire, electrical shock, or other conditions which
may cause personal injury or property damage. Consult a qualified
installer, service agency, or your distributor or branch for infor-
mation or assistance. The qualified installer or agency must use
factory-authorized kits or accessories when modifying this prod-
uct. Refer to the individual instructions packaged with the kits or
accessories when installing.
Follow all safety codes and wear safety glasses. Have fire
extinguisher available. Read these instructions thoroughly and
follow all warnings or cautions attached to the unit. Consult local
and state building codes and Sheet Metal and Air Conditioning
National Association (SMACNA) for special installation require-
ments.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on the unit or in instructions and
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, or CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
INSTALLATION CONSIDERATIONS
1. Install in non-condensing area with ambients between 32°F
and 150°F.
2. Use vibration isolators (flex connectors) on zone dampers
and ductwork to minimize noise.
3. Place dampers away from areas that may be noise sensitive.
4. TXV is required in air conditioning and heat pump appli-
cations.
5. Use separate isolated transformer to supply power to Zone
Perfect Two-Zone Center. (40va minimum, class 2, trans-
former, field supplied)
6. Load calculations must be performed to determine equip-
ment size. Equipment selection is matched to block load. It
is imperative equipment is not over sized.
7. Ductwork must be designed based off the sum of peak plus
25 percent oversize. It is imperative ductwork is not under
sized.
INTRODUCTION
The Zone Perfect Two-Zone System allows the air conditioning
and heating equipment to control temperatures in 2 distinct spaces
or zones within a building. Each zone has independent temperature
settings controlled by a thermostat.
NOTE: Thermostats are purchased separately.
The comfort temperature settings can change automatically
through the use of schedules if programmable thermostats are
selected. This allows Zone Perfect Two-Zone to change the
temperature settings in zones to reflect occupancy or usage. The
Zone Perfect Two-Zone System uses motorized air volume control
dampers (also called zone dampers) to regulate the flow of
conditioned air into the zones.
INSTALLATION
I. CHECK EQUIPMENT AND JOBSITE
A. Inspect Equipment
File claim with shipping company, prior to installation, if shipment
is damaged or incomplete.
Fig. 1—Zone Perfect Two-Zone System
(Shown Without Cover)
A97291
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installation instructions
ZONE PERFECT™
TWO-ZONE
Cancels: II ZONEKIT-0-2 II ZONEKIT-0-6
6-97
ZONEKIT
—1—
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Bryant ZONE PERFECT TWO-ZONE Specifications

General IconGeneral
Thermostat ControlYes
Wireless CapabilityNo
Zones Supported2 Zone
CompatibilityBryant
DisplayDigital
Power Source24V AC

Summary

SAFETY CONSIDERATIONS

INSTALLATION CONSIDERATIONS

Guidelines for installing the system considering ambient conditions, noise, and equipment.

INTRODUCTION

SYSTEM OVERVIEW

Explains how the Zone Perfect Two-Zone system controls two distinct spaces with independent settings.

INSTALLATION

CHECK EQUIPMENT AND JOBSITE

Instructions for inspecting equipment upon arrival and preparing the installation site.

WIRING

INSTALL ZONE PERFECT TWO-ZONE

Guidance for mounting and locating the Zone Perfect Two-Zone control center unit.

INSTALL ZONE DAMPERS

ROUND METAL DUCTWORK INSTALLATION

Steps for installing zone dampers in round metal ductwork, including connections and insulation.

RECTANGULAR METAL DUCTWORK INSTALLATION

Steps for installing zone dampers in rectangular metal ductwork, including connections and insulation.

INSTALL BAROMETRIC BYPASS DAMPER

BYPASS DAMPER INSTALLATION GUIDELINES

Importance and instructions for installing the barometric bypass damper for airflow and noise control.

SEQUENCE OF OPERATION

NORMAL HEATING OR COOLING CYCLE

Describes the system's actions during typical heating and cooling cycles with thermostats.

SELECTION OF A SYSTEM MODE

SYSTEM MODE SELECTION

Process for initiating heating or cooling cycles based on thermostat input.

PRE-POSITIONING DAMPERS AND STARTING SYSTEM FAN

DAMPER AND FAN START-UP SEQUENCE

Explains how dampers are managed before and after equipment operation for smooth start-up.

HVAC EQUIPMENT CONNECTIONS

RELAY OUTPUTS AND SYSTEM TYPES

Details on connecting HVAC equipment, relay outputs for different system types, and stages.

DUCT TEMPERATURE OPTIMIZER (DTO)

DTO FUNCTION AND OPERATION

How the DTO monitors air temperature to optimize HVAC performance and prevent issues.

ELECTRONIC THERMOSTAT CONNECTION

THERMOSTAT SETUP PROCEDURES

Configuring compatible thermostats for optimal operation with the Zone Perfect Two-Zone system.

ZONE CONTROL BOARD SETUP

Configuring jumpers and settings on the Zone Perfect Two-Zone control board for system compatibility.

TIMEGUARD AND CYCLE PROTECTION

EQUIPMENT PROTECTION FEATURES

Explanation of built-in time delays for equipment protection during stage changes and operation.

MAXIMUM CYCLE RATE

EQUIPMENT CYCLE LIMITATIONS

Information on the maximum number of equipment cycles per hour and demand-based timing.

CARE AND MAINTENANCE

PERIODIC MAINTENANCE REQUIREMENTS

Guidance on essential periodic maintenance for optimal performance and longevity.

TROUBLESHOOTING

SYSTEM DIAGRAM, JUMPERS, AND SWITCHES

Information on system components, diagnostic jumpers, and switch settings for troubleshooting.

DIAGNOSTIC INDICATORS AND SETTINGS

Explanation of diagnostic LEDs, temperature trip limits, and control board settings for fault identification.

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