Azbil TY6800Z Series User Manual

1
AB-6600
Insertion Thermostat
Specifications/Instructions

General
Models TY6800Z and TTY6800Z are insertion
thermostats applicable to control temperature (two-
position) for air in duct and liquid in tank or pipe.

Features
(1) Electric two-position control
The temperature sensing element, filled with
liquid, detects changing of temperature.
Model TY6800Z has a built-in microswitch,
TTY6800Z has two built-in microswitches. They
are applicable to heating or cooling control.
(2) Easy temperature setting and differential gap
adjustment
Temperature setpoint is easily set by the knob
in the front of the thermostat.
Model TY6800Z has the differential gap adjustment function to control equipment smoothly.
Each microswitch of Model TTY6800Z has the xed differential gap. Difference between the two switches
is easily adjusted to enable suitable sequence control for the connected equipment.

Model Numbers
Model Number
Temperature
setting range (°C)
Allowable max. temp.
of temp. sensor (°C)
Allowable min. temp.
of temp. sensor (°C)
Capillary length (m)
TY6800Z6000 -15–70 100 -40 1.5
TY6800Z6010 -15–70 100 -40 5
TY6800Z7000 5–90 100 -40 1.5
TY6800Z7010 5–90 100 -40 5
TY6800Z8000 40–125 150 -40 1.5
TY6800Z8010 40–125 150 -40 5
TTY6800Z6000 -15–70 100 -40 1.5
TTY6800Z6010 -15–70 100 -40 5
TTY6800Z7000 5–90 100 -40 1.5
Note: Actual length of capillary is 1.35–1.6 m for 1.5 m type, 4.75–5 m for 5 m type. Order the capillary considering the minimum required length.
z
Parts ordered separately
Description Model Number Note Reference
Immersion well 112624AA-J R1/2 SUS304 Figure 2. in this manual
AB-4074, Immersion Wells Specications/
Instructions
Pressure tting 83165370-001 1/2NPT Figure 3. in this manual
Temperature sensor holder DY3002A1011 Construction
material
Figure 4. in this manual
AB-4009, Bulb Holder Specifications/
Instructions

Azbil TY6800Z Series Specifications

General

Type	Digital Thermostat
Output	Relay, Voltage Pulse
Storage Temperature	-20 to 60°C
Input Types	Thermocouple, RTD, DC voltage
Display	LCD
Communication	RS-485 Modbus RTU

Summary

General Information

Product Features

Overview of the thermostat's key features including electric control and easy adjustment.

Safety Instructions

Usage Restrictions

Restrictions for using the product in specific environments or applications.

Cautions for Connecting to System

Precautions when connecting the thermostat to a system.

Prohibitions for Installing Product

Environments where installation is prohibited to prevent malfunction.

Cautions for Installing Product

Guidelines for optimal placement of the temperature sensor.

General Warnings and Cautions

Alerts and symbols indicating potential hazards and required actions.

Dimensions

Insertion Thermostat Dimensions

Diagram showing the physical dimensions and key components of the insertion thermostat.

Auxiliary Parts

Immersion Well

Diagram and details for the immersion well accessory.

Pressure Fitting

Diagram and details for the pressure fitting accessory.

Temperature Sensor Holder

Diagram and details for the temperature sensor holder accessory.

Specifications

Differential Gap

Specifies the differential gap for TY6800Z and TTY6800Z models.

Switching Operation

Describes the switching behavior based on temperature changes for both models.

Switch Contact Rating

Details the electrical ratings for motor load and startup.

Environment Conditions

Specifies ambient temperature and humidity limits for operation and storage.

Temperature Sensor

Details size, material, and maximum pressure for the temperature sensor.

Capillary Tube

Provides length and material specifications for the capillary tube.

Installation Summary

Instructions on how to mount the thermostat using its case mounting holes.

Wiring Summary

Information on wiring the thermostat to the microswitch terminals.

Weight

Specifies the weight for TY6800Z and TTY6800Z models.

Major Materials

Lists the primary materials used for the thermostat cover and case.

Included Accessories

Lists standard accessories included with the thermostat.

Optional Auxiliary Parts

Lists optional parts that need to be ordered separately.

Installation Procedures

Installation Procedure

Step-by-step guide for mounting the thermostat and attaching covers.

Installation Details

Wiring Knockout Hole Preparation

Instructions for preparing the knockout hole for electrical wiring.

Temperature Sensor Installation Caution

Guidelines for correct temperature sensor placement for accurate control.

Immersion Well Installation

Procedure for installing the temperature sensor using an immersion well.

Duct Installation

Method for installing the temperature sensor in an air duct.

Pressure Fitting Installation

Procedure for installing the temperature sensor using a pressure fitting.

Wiring Guide

General Wiring Precautions

Covers safety warnings and cautions related to wiring the thermostat.

Grommet Attachment

Instructions for attaching the grommet to the knockout hole for safety.

Wiring Method

Detailed steps and recommendations for connecting the thermostat's wiring.

Model Operations

Model TY6800Z Operations

Describes cooling and heating control operations for the TY6800Z model.

Model TTY6800Z Operations

Explains switch configurations and two-step control for TTY6800Z.

Wiring Examples

Example of Wiring from Top Side

Illustrates how to lay wires from the top knockout hole to the microswitch.

Ground Terminal Wiring

Details on how to properly connect the ground wire to the terminal.

Settings and Adjustment

Differential Gap Setting for TY6800Z

Procedure for setting the differential gap on the TY6800Z thermostat.

Differential Between Switches for TTY6800Z

Procedure for adjusting the differential gap between switches on the TTY6800Z.

Operations

TY6800Z Cooling Control

Explanation of cooling control operation for the TY6800Z thermostat.

TY6800Z Heating Control

Explanation of heating control operation for the TY6800Z thermostat.

Two-Step Operations

TTY6800Z Cooling Two-Step Control

Operation of TTY6800Z for cooling with two chillers.

TTY6800Z Heating Two-Step Control

Operation of TTY6800Z for heating with two heaters.

Operation Check

Steps to verify the thermostat's control target equipment operation.

Maintenance

General Maintenance Procedures

Steps for cleaning, checking sensor, tightening screws, and verifying insulation.