Mitsubishi Electric PAC-TZ02-E User Manual

SERVICE MANUAL
Notes:
• This manual describes ser-
vice data of 2 zone kit only.
PARTS CATALOG (OCB729)
2 ZONE KIT
[Model Name]
PAC-TZ02-E
[Service Ref.]
PAC-TZ02-E
November 2019
2 ZONE KIT
No. OCH729
CONTENTS
1. REFERENCE MANUAL ...........................2
2. SAFETY PRECAUTION ..........................3
3. SPECIFICATIONS....................................4
4. PARTS NAMES AND FUNCTIONS .........5
5. OUTLINES AND DIMENSIONS ...............6
6. WIRING DIAGRAM ..................................7
7. TROUBLESHOOTING .............................8
8. DISASSEMBLY PROCEDURE ................10

Mitsubishi Electric PAC-TZ02-E Specifications

General

Brand	Mitsubishi Electric
Model	PAC-TZ02-E
Category	Air Conditioner Accessories
Language	English

Summary

Reference Manual

Safety Precautions for 2 Zone Kit

Specifications of PAC-TZ02-E

Parts Names and Functions

Component Parts Identification

Lists and illustrates the main components of the 2 zone kit.

Water Circuit and System Diagram

Diagrams the water flow and system connections for the 2 zone kit.

Outlines and Dimensions

Wiring Diagram and DIP Switch Settings

Troubleshooting Procedures

Self-Diagnosis and Error Code Procedures

Summary of self-diagnosis based on error codes and service procedures.

Test Run Preparation and Execution

Procedures and checks to perform before initiating a test run.

Remote Controller Malfunction Diagnosis

How to diagnose malfunctions using the main remote controller and error codes.

Component Functionality Checks

Methods to check the functionality of individual components like pumps and thermistors.

Disassembly Procedures for 2 Zone Kit

Front Panel Removal Guide

Step-by-step guide to detach the front panel of the 2 zone kit.

Mixing Valve Motor and Body Removal

Instructions for removing the mixing valve motor and body.

Water Pump Removal (Pump 2/3)

Steps to remove the water pumps (Pump 2 and Pump 3).

Reactor Removal Procedure

Procedure for removing the reactor components.

Thermistor Removal Guide

Guide to removing the thermistors for water temperature sensing.

Manual Air Vent Removal

Instructions for removing the manual air vent.

Quick Connection Detach/Attach

Steps for correctly attaching and detaching quick water connections.