Grant Instruments LTC4 - Manual (Page 3)

LTC4 31115 V1
Operating Manual Page 2
www.grantinstruments.com
Contents
Contents
2
1.0 Use of products 4
2.0 How to use this operating manual 4
3.0 Safety information 4
3.1 Safety compliance 4
3.2 Safety symbols 4
3.3 Safety warnings 5
4.0 Operating instructions 6
4.1 Unpacking instructions 6
4.2 Fitting the controller to the Refrigeration unit 6
4.3 Recommended liquids 6
4.4 Installation 8
4.5 Electrical supply 8
5.0 Operating procedures 9
5.1 Operation 9
5.1.1 Liquid level 9
5.1.2 Operation above 60°C 9
5.1.3 Setting the over-temperature thermostat 9
5.1.4 Using the control unit pump 10
5.1.5 Using the switch over relay ouput 10
5.1.6 Emptying the LTC4 11
5.1.7 Setting up and switching on 11
5.2 Using the LTC4 12
5.2.1 Product description, control unit 12
5.2.2 Product description, user interface and controls 12
5.2.3 Product desciption, rear panel connections 13
5.2.4 Communications ports 13
5.2.5 Switched relay port 13
5.2.6 External probe input 13
5.2.7 Product description, refrigeration unit front panel (grille removed) 14
5.2.8 Product description, refrigeration, rear panels 15
5.2.9 Display. Explanation of home screen icons. 15
5.2.10 Setting the control temperature 15
5.2.11 Running a bath preset 16
5.2.12 Running a countdown timer 16
5.2.13 Running a program 17
5.2.14 Activating standby mode 17
5.2.15 Accessing the settings menu 18
5.3 Viewing, editing and saving settings 19
5.3.1 Configuring a preset 19
5.3.2 Selecting a liquid type 20
5.3.3 Selecting a temperature probe type 21
5.3.4 Configuring high and low temperature alarms 22
5.3.5 Setting the buzzer volume level 25
5.3.6 Selecting a language 25
5.3.7 Relay test and configuration 26
5.4 Completing a calibration 27
5.4.1 Restoring factory calibration settings 29
6.0 Technical specifications 30
6.1 Operating conditions 30
6.2 Electrical details 30
6.3 Specification 30
7.0 Technical Tips 31