Honeywell LYRIC T4, Технические характеристики товара

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T4 PROGRAMMABLE THERMOSTAT
TROUBLESHOOTING – T4 and T4M only
Problem Display Possible Cause Remedy
Thermostat display is blank Batteries exhausted, installed
incorrectly or tab hasn't been
removed Unclip thermostat from wall and check
battery installation - replace batteries if
necessary
Display shows
(only for T4) Battery power critically low Unclip thermostat from wall and replace
batteries immediately
Display shows Faulty temperature sensor Replace thermostat or check wiring to
remote temperature sensor if fitted
Thermostat shoes heat
demand but boiler doesn’t
respond a. Boiler water already at
temperature
b. Faulty wiring connection a. Normal behaviour – wait for water
temperature to drop
b. Check wiring at thermostat and boiler
terminals
TROUBLESHOOTING – T4R
Problem Display Possible Cause Remedy
Thermostat display is blank Batteries exhausted, installed
incorrectly or tab hasn't been
removed Pull thermostat from wall bracket or
table stand and check battery installation
- replace batteries if necessary
Display shows Battery power critically low Pull thermostat from wall bracket or
table stand and check battery installation
- replace batteries if necessary
Display shows Faulty temperature sensor Replace thermostat or check wiring to
remote temperature sensor if fitted
Thermostat shoes heat
demand but boiler doesn’t
respond a. Boiler water already at
temperature
b. Faulty wiring connection a. Normal behaviour – wait for water
temperature to drop
b. Check wiring at thermostat and boiler
terminals
Thermostat displays shows
and Receiver Box
LED is flashing RED
Wireless communication with
Receiver Box is lost Move thermostat to a location where
wireless communication is reliable
Thermostat displays shows
and Receiver Box
LED is flashing OFF
Thermostat and Receiver Box
not bound Move thermostat to a location where
wireless communication is reliable
Receiver Box LED is flashing
ORANGE Receiver Box is in bind mode Wait for bind mode to time out (3min) or
bind a Thermostat
ORDERING SPECIFICATION
Description Model EAN code Literature
T4 wired thermostat T4H110A1021 5025121381215
All packaging contains 6
languages: English,
Dutch, French, German,
Italian and Spanish
T4 wired thermostat for
OpenTherm boilers
T4H310A3032 5025121381208
T4 wireless thermostat Y4H910RF4003 5025121381079