Table of Contents
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DIGISTAT PROGRAMMABLE 24 HOUR ROOM
THERMOSTAT SYSTEM
Radio frequency controlled programmable room thermostat.
LARGE RECEIVER: 24CDi, 26CDi Xtra, 28CDi, 35CDi Mk I and 35CDi Mk II
SMALL RECEIVER: 24i Junior, 28i Junior and Si Mk II
HEATING ON
SIGNAL
OVERRIDE
HEATING ON
SIGNAL
OVERRIDE
SIGNAL
OVERRIDE
2
SIGNAL
LEARN
MODE
OVERRIDE
2
LEARN
MODE
2
LEARN
MODE
1
2
LEARN
MODE
1
HEATING ON
1
HEATING ON
1
INSTRUCTION MANUAL
OPERATING AND INSTALLATION
Digistat
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Table of Contents
Related Manuals for Worcester 35CDi Mk II
Summarization of Contents
Worcester Bosch Group Information and Safety
Contact Details for Support
Provides contact numbers for technical, service, spares, literature, training, and sales.
Important Safety Instructions Before Use
Crucial safety warnings and advice for installation and operation.
Understanding Symbols and Abbreviations
Explains common symbols and abbreviations used throughout the manual.
Technical Specifications and Package Contents
Component Technical Data
Detailed specifications for Receiver and Digistat Transmitter, including dimensions, power, and range.
Operating Environment and Protection
Information on temperature, humidity, class of operation, and ingress protection ratings.
Compliance and Included Items
Lists relevant EC directives and standard package contents for the system.
General Information on Programmable Thermostats
What is a Programmable Room Thermostat?
Explains the dual function of a thermostat and programmer and its benefits.
Thermostat Placement and Environment Considerations
Advises on optimal placement to ensure accurate temperature sensing and prevent interference.
Digistat Thermostat Controls and Operation
Digistat Programmer Display and Controls
Identifies key display elements, buttons, and indicators on the Digistat thermostat unit.
Clock Setting and Automatic Time Updates
Details the real-time clock, its automatic updates, and how it functions.
Basic Operation in Auto Mode
Guides on temporary temperature adjustments and system response in Auto mode.
Programming Heating Schedules
Understanding Pre-set Programs
Explains the default daily heating schedules and temperature settings provided.
Manually Adjusting Time and Temperature Events
Step-by-step guide to modify heating times and set temperatures for each event.
Switching the Thermostat to OFF Mode
Instructions on how to turn off the thermostat and the function of frost protection.
Advanced Operation Modes
Temporary Temperature Override
How to temporarily change the room temperature without altering the programmed schedule.
Setting a Constant Room Temperature (Manual Mode)
Instructions for setting a fixed temperature, bypassing programmed schedules.
Activating and Setting Holiday Mode
Guides on activating holiday mode and setting its duration for energy savings.
User Options Menu and Settings
Accessing and Navigating User Options
Procedure to enter and scroll through the User Options menu for customization.
Clock Format and Program Selection Options
Options to switch between 12/24 hour clock and select different pre-set programs.
Customizing Program Events and Daylight Saving
Settings for changing the number of daily program events and managing daylight saving time.
User Options: Pre-set Programs and Time Settings
Pre-set Program 3 (Home Worker)
Details the schedule and temperatures for the 'Home Worker' pre-set program.
Automatic Time Adjustment and Manual Settings
Explains automatic time updates and manual date/time adjustment procedures.
Advanced User Options and Intelligent Features
Temperature Offset and Program Restoration
How to adjust the displayed temperature and restore factory program settings.
Function Disable and Keypad Protection
Options to disable the OFF function and lock the keypad for security.
Intelligent Delayed Start Functionality
Details the energy-saving Intelligent Delayed Start feature and its operational benefits.
Receiver Unit Controls and Operation
Receiver Unit Identification and Indicators
Identifies components and indicators on both Large and Small Receivers.
Manual Override Functionality on Receiver
Explains how the OVERRIDE button on the receiver controls heating status.
Establishing the RF Communication Link
Details the process of putting the receiver into LEARN MODE to link with the transmitter.
Receiver Unit Installation Guide
Critical Safety Precautions for Installation
Critical safety warnings regarding electricity and static discharge during installation.
Physical Installation Steps for the Receiver
Guides on removing the fascia plate and securing the receiver to the PCB and fascia.
Digistat Thermostat Installation
Selecting the Optimal Digistat Location
Advice on placement for best performance, avoiding interference and environmental factors.
Mounting the Digistat Thermostat Unit
Step-by-step instructions for disassembling and mounting the Digistat thermostat cover and backplate.
Setting Up the Wireless RF Link
Receiver Setup for RF Link
Steps to put the receiver into LEARN MODE and confirm RF link status.
Transmitter Setup for RF Link
Steps for the Digistat programmer to transmit its signal and confirm connection.
Post-Installation Automatic Configuration
Confirmation of installation and how the Digistat automatically sets time, date, and starts pre-set program 1.
Installer Options for System Configuration
Accessing and Navigating Installer Options
Procedure to enter and scroll through the Installer Options menu for advanced settings.
Configuring Freeze Protection and Set Points
Settings for freeze protection and user-defined low/high temperature limits.
Enabling Intelligent Delayed Start
Details on enabling and understanding the Intelligent Delayed Start energy-saving feature.
Installer Options: System Protection and Battery Management
System Protection Functionality
Configuration options for system protection and its daily operation time.
Battery Indicators and Replacement Procedure
How to identify low battery status and the procedure for replacing batteries.
Digistat System Maintenance and Troubleshooting
Maintenance Requirements for Units
Guidance on cleaning and general upkeep of the Digistat programmer and receiver units.
Troubleshooting Common System Failures
Checks to perform if the unit fails to function correctly, focusing on RF link and batteries.
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