HERSCHEL T-MT Mains Powered WiFi Thermostat Instruction Manual
Herschel XLS Heating Controls
T-MT Mains powered Wifi thermostat
Installation and operating instructions
Technical Information
Power Supply:
Installation:
Mains 120-240V
Wall-mounted using recessed back-box (not supplied)
Setpoint Range:
Protection Class:
Wireless:
Wireless Range:
Accuracy:
5-40°C
IPX0
433Mhz (RF) and 2.4GHz (Wifi)
35m
+/- 0.5°C
Programming:
Energy saving:
7 day program, 4 periods per day
Open Window, Adaptive Start
Smartlife App Control
Works with Alexa and Google Assistant
when paired with the Smartlife App
2 years
Warranty:
Certifications:
CE, RoHS, EMC, RED, LOT20
Compliance
Hereby, Herschel Infrared Ltd declares that the radio equipment type T-MT Wireless
Thermostat is in compliance with Directive 2014/53/EU. The full text of the EU declaration of
| General | Details |
|---|---|
| Name | HERSCHEL T-MT Mains Powered WiFi Thermostat Instruction Manual |
| Make | HERSCHEL |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.17 MB |

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Herschel T-MT Manual: Questions and Answers
Herschel T-MT specifications
| Power supply | Mains 120-240V |
| Setpoint range | 5-40°C |
| Accuracy | +/- 0.5°C |
| IP rating | IPX0 |
| Wireless range | 35m |
| Warranty | 2 years |
Can the Herschel T-MT control heating systems other than Herschel XLS heaters?
The T-MT is designed to work exclusively with Herschel XLS heaters equipped with their built-in SMART-R receiver. Instruction Manual, p. 2
What's the difference between Smart mode and Manual mode?
Smart mode runs a daily program to reach your desired temperature at set times each day. Manual mode maintains a constant temperature that doesn't change with time of day. Instruction Manual, p. 7
How do I adjust temperature calibration on the Herschel T-MT?
Press SET to enter settings, navigate to calibration (the final setting), then use the + or - keys to adjust up or down. Instruction Manual, p. 12
Herschel T-MT compared with other Herschel thermostats
| Specification | Herschel T-MT | Herschel 12860 T-BT | Herschel T-BT | Herschel iQ T2 |
|---|---|---|---|---|
| Setpoint range | 5-40°C | 5-30°C | 5-40°C | 5-35°C (temperature increments 0.5 °C) |
| Accuracy | +/- 0.5°C | +/- 0.5°C | +/- 0.1°C | +/- 0.5 °C |
| IP rating | IPX0 | IPX0 | IPX0 | IP20 |
| Wireless range | 35m | 35m | 35m | 35m |
| Warranty | 2 years | 2 years | 2 years | 2 years |
























