Operation Manual

HOT WATER HEATING
EXTRA HOUR
OVERRIDE
EXTRA HOUR
OVERRIDE
NEXT
DAY
COPY
DAY
HOLIDAY
OK
NEXT
DAY/TIME
HOT WATER
HEATING
RUN
Hot Water ‘ON’ period indicator
Time Display
LoT™ Technology Display
Programme Time Markers
Day of Week Indicator
RF Symbol
Heating ‘ON’ period indicator
Heating Extra Hour Button
Heating Indicator Lamp
Heating Override Button
Boiler Status Indicator
Slider
ECO Mode Active
Frost Protect Indicator
ECO Countdown Indicator
Heating Demand Indicator
Setpoint Change Buttons
ECO Button
OFF/Standby Button
OFF/Standby Indicator
RF Communications Indicator
Battery Low Indicator
Fault Indicator
Setpoint Indicator
Temperature Display
Sensor element Transceiver
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Heating Operating Mode Indicator
Heating Operating Mode Button
OK/Next Button
Clock – and + Buttons
Hot Water Operating Mode Button
Hot Water Operating Mode Indicator
Holiday Button
Copy Day Button
Next Day Button
Hot Water Override Button
Hot Water Indicator Lamp
Hot Water Extra Hour Button
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Keep this document in a Home Information Pack
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CS92A CONTROLS LAYOUT
DT92E CONTROLS LAYOUTST9420C CONTROLS LAYOUT
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ST9420C
This product and its associated documentation and packaging are protected by various intellectual
property rights belonging to Honeywell Inc. and its subsidiaries and existing under the laws of the UK
and other countries. These intellectual and property rights may include patent applications, registered
designs, unregistered designs, registered trade marks, unregistered trade marks and copyrights.
Honeywell reserves the right to modify this document, product and functionality without notice. This
document replaces any previously issued instructions and is only applicable to the product(s) described.
This product has been designed for applications as described within this document. For use outside of
the scope as described herein, refer to Honeywell for guidance. Honeywell cannot be held responsible
for misapplication of the product(s) described within this document.
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell
Technologies Sàrl, ACS-ECC EMEA, Z.A. La Pièce 16, 1180 Rolle, Switzerland by its Authorised
Representative Honeywell Inc.
CONFIGURATION & SERVICE DATA
Boiler & System Service Log
The space below can be used to provide a record of boiler & system services and
the names and contact numbers of the Installer and Service Personnel.
This information is important for a Home Information Pack.
Service/Installation
Date
Installation/Service
Engineer
Telephone Number /
Contact Details
Configurable Features Options Factory
setting
Installer configured
(note value)
DT92E Configuration
Measurement offset -3.0°C to 0 to 3.0°C 0
Upper setpoint limit 21 to 35°C 35°C
Lower setpoint limit 5 to 21°C 5°C
Energy saving ECO setpoint 5 to 35°C 18°C
Green light
(under button)
Button
Red light
(under button)