Topaz TZ-18A - User Manual

Owner’s Manual
1-800-836-7432
Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Rating Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Standard Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Optional Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Installing Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Replacement-Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wiring Schematic, TZ-12A, TZ-24A and TZ-36A . . . . . . . . . . . . . . . . . . . .15
Wiring Schematic, TZ-18A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Wiring Schematic, TZ-60A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Wiring Schematic, TZ-60A4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
This manual is the property of
the owner. Leave with the unit
when set-up and start-up are
complete. RUPP Industries
reserves the right to change
design and specifications
without prior notice.
Warning!
Improper installation,
adjustment, alteration, service,
or maintenance can cause
injury or property damage.
Please read instructions before
installing, operating or
servicing the TOPAZ unit.
Avertissement !
Le fait de modifier ou de mal
installer, régler, réparer ou
entretenir cet appareil peut
entraîner des blessures ou des
dommages matériels. On doit
lire attentivement les directives
d’installation, d’utilisation et
d’entretien avant de manipuler
l’unité TOPAZ
Built Right First...
To Last!
™

Summary

Unit Specifications

Rating Information

Inspection

Inspection Process

Steps for inspecting the unit upon delivery to check for damage.

General Description

General Requirements

Standard Features

Serviceability

High-Pressure Safety Switch

Freeze Protection Control

Short Cycle Protection Timer

Optional Features

Condenser Duct

Details on using flexible duct to vent condenser discharge air.

Ceiling-Panel Duct Kit

Kit for venting condenser air to a suspended ceiling plenum.

Discharge Nozzle Kit

Assembly for directing cool air precisely where needed.

Condensate Pump

Device for automatically draining condensate pan for continuous operation.

Cord Kit (LCDI)

Provides personal shock and cord arcing/fire protection.

Installation Instructions

Before Installing

Guidance on checking unit for damage and basic installation steps.

Electrical Supply

Information on proper voltage, fuse requirements, and outlet types.

TZ-60 A4 - 3 Phase Wiring Instructions

Instructions for phase sequence and motor rotation for three-phase units.

Unit Operation

Fan

Steps for setting the fan mode to continuous or automatic cycling.

Cooling Cycle

Instructions for setting the desired temperature and waiting periods.

Preventative Maintenance

Blower Motors

Maintenance for blower motors, including cleaning fan blades.

Filters

Procedure for inspecting and cleaning evaporator and condenser filters.

Coil Cleaning

Method for cleaning evaporator and condenser coils using compressed air.

Condensate Pump Maintenance

Belt Tension Adjustment

Sheave Adjustment

Troubleshooting Guide

Unit Does Not Run

Troubleshooting steps for when the unit fails to start.

Evaporator Fan Runs, But Compressor and Condenser Fan Does Not Start

Diagnosing issues when only the evaporator fan is operating.

Compressor Runs, But Fan Does Not Run

Troubleshooting fan motor issues when the compressor is running.

Insufficient Cooling

Causes of Insufficient Cooling

Common reasons for poor cooling performance, including airflow and refrigerant.

Noisy Operation

Causes of Noisy Operation

Troubleshooting sources of unusual noise from the unit.

Water Leaks from Pan

Causes of Water Leaks

Identifying and resolving issues causing water leaks from the drain pan.

Evaporator Coil Freezing and Shuts Unit Down

Causes of Freezing

Diagnosing why the evaporator coil is freezing and shutting down the unit.

Unit Not Delivering Proper Air Flow TZ-60 A4 only

Causes of Low Airflow

Troubleshooting airflow issues specific to the TZ-60A4 model.

Installing Replacement Parts

Ceiling-Panel Duct Kit

Instructions for installing the ceiling-panel duct kit.

Condensate Pump

Steps for installing the condensate pump accessory.

Fan Motors (TZ-12 through TZ-36)

Procedure for replacing fan motors in TZ-12 to TZ-36 models.

Fan Motors (TZ-60 and TZ-60 A4)

Procedure for replacing fan motors in TZ-60 and TZ-60A4 models.

Red Indicator Light

Instructions for replacing the red indicator light.

Accessories

Nozzle Kits

Details on various nozzle kits for directing airflow.

Ceiling Discharge Kits

Options for ceiling discharge kits for different models.

Condenser Return-Air Plenums

Plenums for directing condenser return air for various models.

Evaporator Return-Air Plenums

Plenums for directing evaporator return air for various models.

Supply Duct Adapters

Adapters for connecting cold-air supply ducts.

Replacement Parts List

Service Valves and Filter Driers

List of part numbers for service valves and filter driers by model.

Expansion Valves

Part numbers for expansion valves used in different models.

Blower and Motor Assemblies

Part numbers for evaporator and condenser blower/motor assemblies.

Capacitors

Part numbers for evaporator and condenser motor capacitors.

Continued Replacement Parts List

Compressor Motor Capacitors

Part numbers for compressor motor capacitors by model.

Supply Cordsets and Control Transformers

Part numbers for supply cordsets and control transformers.

Contactors and Switches

Part numbers for fan and compressor contactors, and switches.

Filters and Coils

Part numbers for evaporator and condenser filters and coils.

Casters

Part numbers for various types of casters.

Further Replacement Parts

High Pressure Switch and Thermostats

Part numbers for high pressure switches and thermostats.

Condensate Tank and Related Parts

Part numbers for condensate tank, springs, and drain pan.

Sheaves and Transformers

Part numbers for motor sheaves, transformers, and fuses.

Wiring Schematic, TZ-12 A, TZ-24 A and TZ-36 A

Wiring Schematic, TZ-18 A

Wiring Schematic, TZ-60 A

Wiring Schematic, TZ-60 A4

Topaz TZ-18A Specifications

General

Brand	Topaz
Model	TZ-18A
Category	Air Conditioner
Language	English