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T87/Y87

Product catalog summary

Application
T87/Y87 is a series of modern digital room thermostats available in both wired and RF models, capable of connected operation via a Honeywell Home RFG100 internet gateway. They support modulating (OpenTherm) and on/off output configurations. Wired models are powered by the OpenTherm bus, while RF models use 2 x AA alkaline batteries. These thermostats are suitable for direct boiler control or as room units in multi-zone systems, compatible with Evohome and HCE80 controllers.

Approvals
The thermostats comply with CE, WEEE, and RoHS standards.

Special Features

Single zone thermostat with connectivity upgrade option.
Remote operation and scheduling via the Honeywell Home TCC app.
Modern design, intuitive operation, and large backlit display.
0.5°C accuracy and installer mode for setting temperature limits.
Battery-operated models with a minimum 2-year battery life and low battery warning.
Wireless models offer 2-way RF communication on the 868 MHz band.

Technical Data

Power Supply: OpenTherm bus or 2xAA batteries.
Communication: 2-way RF with a 30 m range in buildings.
Protection Class: IP20 for thermostats, IP40 for other components.
Regulatory Compliance: Various D1115-D1118 codes.
ErP Class: IV, V, or VI depending on the model.
Dimensions: 84 mm diameter, 33 mm height.
Weight: 133 g or 89 g depending on the model.

Transportation and Storage
Parts should be kept in original packaging until use. Suitable conditions include temperatures from -20°C to 55°C and humidity from 10% to 90% non-condensing.

Ordering Information
Various models are available with different control types, switch types, and connectivity options. Some models can be connected via the Honeywell Home RFG100 Internet Gateway.

Contact Information
For more information, visit homecomfort.resideo.com/europe or contact Ademco 1 GmbH in Germany.

Catalog excerpts

Thermostats, Timers T87/Y87 Single zone Thermostat range APPLICATION T87/Y87 is a family of modern digital room thermostats available in both wired and RF models and capable of Connected operation via a Honeywell Home RFG100 internet gateway. Output configurations include modulating (OpenTherm) and on/off. Wired OpenTherm models are powered by the OpenTherm bus. The room units for all RF models are powered by 2 x AA alkaline batteries. Applications include direct boiler control or as the room unit in a multi-zone control system, providing room temperature measurement and setpoint adjustment functions. Compatible zone controllers are Evohome and the HCE80 underfloor heating controller. SPECIAL FEATURES • Single zone thermostat, offering Connectivity as an upgrade Connected models allow remote operation and scheduling via the Honeywell Home TCC app for smartphones or tablets Modern, stylish design to fit any decor Compatible for retrofit with previous generations of T87 Simple intuitive operation by rotating dial Large backlit display Installer mode, allowing setting of maximum and minimum set temperatures and default off setpoint A range of models to suit different installations or applications Battery-operated models use 2xAA alkaline batteries. Minimum battery lifetime 2 years, with battery low warning indicator Control forms are either Modulating (via OpenTherm) or TPI. See Technical Data and Options for more information Suitable for wall mounting Wireless models have 2-way RF communication on 868 MHz band, offering a typical range of 30 m in buildings Wireless control of remote boiler using BDR91 relay box or R8810 OpenTherm bridge Suitable for use as the room unit in systems containing Evohome or HCE80 underfloor heating controller Product Specification Sheet • EN0H-8

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T87/Y87 - Single zone Thermostat range TECHNICAL DATA Specifications Power Supply (room thermostat): T87M/T87HC/T87C – Opentherm 2 wire bus T87RF – 2xAA (LR6) 1.5V alkaline batteries T87G – lifetime power pack Switch Type/Rating: See table options Wiring: T87M / T87HC / T87C 2 x screw terminals, with access from back T87RF / Y87RF packs – wiring is to RF transceiver Operation band: ISM (868.0-868.6) MHz, 1 % duty cycle Communication range: 30 m in a residential building Communication 2-way RF, using short, high rate technology: transmissions to minimise air time and avoid collisions Blocking...

Open the catalog to page 2

T87/Y87 - Single zone Thermostat range ORDERING INFORMATION NL Modulation EN, ES, FR, Modulation NL, DE, IT, HU, CZ, PL, SK, RO, TR NL Modulation OpenTherm OpenTherm Heat/Cool NL Modulation OpenTherm NL, BE Modulation OpenTherm NL TPI uses BDR91 EN TPI uses BDR91 IT, FR, ES TPI uses BDR91 DE TPI uses BDR91 NL Modulation OpenTherm NL TPI SPDT 5(3)A 24...230 Vac EN TPI SPDT 5(3)A 24...230 Vac IT, FR, ES TPI SPDT 5(3)A 24...230 Vac NL, BE TPI SPDT 5(3)A 24...230 Vac IT, FR, ES TPI SPDT 5(3)A 24...230 Vac PL, HU, CZ, TPI SPDT 5(3)A 24...230 Vac SK, RO TR TPI SPDT 5(3)A 24...230 Vac EN TPI SPDT 5(3)A...

Open the catalog to page 3

T87/Y87

T87/Y87

Catalog excerpts

All Honeywell Home – Resideo catalogs and technical brochures