Table of Contents
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FEATURES
•
Energy saving TPI control performance
•
Advanced self-learning control adapts to the
environment and ensures close temperature
control with minimum energy usage
•
Slim modern styling
•
Simple user interface with large high contrast
display and easy-to-read characters
•
Display shows room temperature, with option to
inquire about setpoint
•
5°C to 35°C setpoint range with 0.5°C
increments, using ▲ and ▼buttons
•
Off/standby button, allowing manual switch off,
with frost protection active
•
Adjustable off/standby setpoint 5°C to 16°C or
DT92 can be set to off completely
•
Room thermostat is battery powered by 2 x AA
(LR6) alkaline cells giving up to 4 years battery
life (minimum 2 years), with battery low warning
•
Simple battery change by unclipping front cover
•
Relay switching box is 230Vac mains powered
with 24...230Vac SPDT potential-free contacts
•
5 A resistive, 3 A inductive switch rating
WIRELESS DIGITAL ROOM THERMOSTAT
PRODUCT SPECIFICATION SHEET
The new DT92 family of wireless digital room
thermostats is a range of market leading products
designed to provide comfort with economy in modern
heating systems.
Comprising a battery-powered room thermostat and a
mains switching relay box, DT92 features robust 2-way
RF communications between the units. This allows
signal strength testing to help the installation process.
The RF link between both units is already set (pre-
bound) at the factory, so the product is ready for
immediate installation.
Energy efficiency is addressed by state-of-the-art TPI
control performance and an ECO button energy saving
feature. Applications include control of gas or oil-fired
boiler systems, underfloor heating, electric heating and
zoning systems.
With a modern fresh look that complements any style
of décor, and a range of valued features for users and
installers alike, DT92 sets the standard for simple
environmentally-friendly wireless room thermostats.
•
2-way RF communications at 868MHz radio
frequency band, giving typical reliable range of
30m in houses
•
Transmission and signal strength test features
to guarantee good room thermostat placement
•
RF link between units is pre-set at the factory
•
Installer Mode allows operation to be
customised for the application and the needs of
the user
•
NVRAM storage of setup parameters, ensuring
these are never lost
•
Setpoint limits can be programmed in
•
Special 'fail-safe' mode, should RF
communications be temporarily lost
•
Manual override possible at relay box
•
Optional table stand supplied for thermostat
FEATURES UNIQUE TO DT92E ECO MODEL
•
Energy saving ECO button allows user to
change to a lower, energy saving setpoint for a
timed period of their choosing (1...24 hours)
•
Display shows countdown of time remaining in
ECO energy saving mode
DT92
EN0H 8580 UK07 R1 09/15
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Table of Contents
Related Manuals for Honeywell DT92
Summary of Contents for Honeywell DT92
- Page 1 DT92 WIRELESS DIGITAL ROOM THERMOSTAT PRODUCT SPECIFICATION SHEET The new DT92 family of wireless digital room thermostats is a range of market leading products designed to provide comfort with economy in modern heating systems. Comprising a battery-powered room thermostat and a mains switching relay box, DT92 features robust 2-way RF communications between the units.
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Page 2: Specifications
DT92 WIRELESS DIGITAL ROOM THERMOSTAT SPECIFICATIONS ELECTRICAL TEMPERATURE CONTROL Sensing element : 10K (@25°C ) NTC thermistor Room thermostat : 2 x 1.5V IEC LR6 (AA) Alkaline cells Power supply : 5°C to 35°C setpoint range in 0.5°C Temperature setting range... - Page 3 DT92 WIRELESS DIGITAL ROOM THERMOSTAT ORDERING SPECIFICATION Model Description Literature Wireless digital room thermostat DT92A1004 Multi-lingual (System pack, comprising DT92A room thermostat + BDR91 Relay Box) Wireless digital room thermostat with ECO energy saving feature DT92E1000 Multi-lingual (System pack, comprising DT92E room thermostat + BDR91 Relay Box) Note: the room thermostat and relay box in each system pack are pre-bound (linked together) at the factory.
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Page 4: Main Features
2-Way RF Communications Extra-Large Display RF communications between the room thermostat and The DT92 has a large display, ensuring it is easy to the relay box is 2-way, making it more efficient and read and allowing essential information to be displayed, reliable, and allowing the room thermostat to display when required. -
Page 5: Installation Process
Location 2. Before mounting DT92 thermostat onto backplate, power it up (activate batteries). 3. Bring DT92 thermostat to a distance 2-3 m from relay box and initiate RF Communication Test. This confirms that relay box is wired correctly and that both devices are bound (linked) to each other. -
Page 6: Wiring Connections
DT92 WIRELESS DIGITAL ROOM THERMOSTAT WIRING CONNECTIONS Note: BDR91 Relay Box requires a permanent mains power supply. a. Boiler b. Boiler (potential free connection) c. Zone valve d. Air conditioner Completing the BDR91 Relay Box Installation... - Page 7 Before mounting the DT92 thermostat onto its backplate, power it up by removing the battery tab. Bring the DT92 thermostat to a distance 2-3 m from relay box and initiate the RF Communication Test to confirm the BDR91 relay box is wired correctly and that both devices are bound (linked) to each other.
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Page 8: Signal Strength Test
Locating the DT92 Room Thermostat For best performance, install in an open space where DT92 can sense the room temperature, and where the signal strength is high. The Room Thermostat can be mounted on a wall or on the optional table stand. Leave at least 30cm distance from any metal objects and at least 1 metre from any other electrical equipment. -
Page 9: Completing The Installation
DT92 WIRELESS DIGITAL ROOM THERMOSTAT Mounting the DT92 Room Thermostat Wall mounting Optional table stand Completing the installation TEST AND BINDING FLOWCHART Press for 5 seconds to exit any mode... -
Page 10: Binding / Re-Binding Procedure
DT92 WIRELESS DIGITAL ROOM THERMOSTAT BINDING / RE-BINDING PROCEDURE The RF link between the Room Thermostat (DT92) and the Relay Box (BDR91) in Honeywell system packs is pre-configured at the factory and therefore both units should be installed at the same site. If products from... - Page 11 DT92 WIRELESS DIGITAL ROOM THERMOSTAT Reset Stored Data in Room Thermostat Follow the sequence of steps below to reset the stored binding data in the room thermostat. Put Room Thermostat into Binding Mode Bind Room Thermostat to Relay Box With both units in binding mode, pressing the off/standby button on the room thermostat will bind them together.
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Page 12: System Operation
RF system. RF signal reaching the Relay Box depends on the DT92 uses 2-way RF technology, and this allows the number of walls and ceilings separating it from the signal strength to be measured and communicated, to... -
Page 13: Product Dimensions
If RF communications is lost, for whatever reason, the BDR91 relay box will operate in failsafe mode (as set in the Installer Mode) and the red LED will illuminate. The DT92 room thermostat will flash the RF symbol until communications are restored. PRODUCT DIMENSIONS... - Page 14 INSTALLER MODE – APPLICATIONS SETTINGS The DT92 has a special Installer Mode where some features can be adjusted to suit the application and the needs or lifestyle of the user. Each adjustable feature is called a Parameter. These are described below.
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Page 15: Specific Applications
-- = off, 5°C 5 to 16°C ** Room temperature sensor use 0 = DT92 alone 1 = DT92 with HR80, using HR80 sensors 2 = DT92 with HR80, using DT92 sensor Failsafe mode (loss of RF 0 = switch OFF... - Page 16 DT92 WIRELESS DIGITAL ROOM THERMOSTAT To enter Installer Mode: a. Put DT92 into off/standby mode by pressing and holding the off/standby button for 2 seconds. b. Now press and hold both ▲ and ▼ temperature adjustment buttons for 3 seconds, until the display shows the word “Inst”.
- Page 17 The DT92 product family 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.