Installation Manual
HVAC CONTROLS PRODUCTS
Touch Screen Weekly Programmable Underfloor Heating Thermostat
Model No - E91.716
This thermostat is designed for the control of electric underfloor heating systems. The weekly programming function allows 6
time periods to be set per day, each at a specific temperature. Alternatively this model can be operated in manual mode.
Temperature Sensors
Sensor Selection
To alter the sensor selection from the factory preset setting refer to the advanced settings section.
Sensor Display
IN
Internal Air Sensor ONLY
Heating will be switched on by the thermostat when the room temperature falls below the
programmed temperature. There is
NO LIMIT
on the temperature the floor can reach.
OUT
Floor Sensor
Heating will be switched on by the thermostat when the floor temperature falls below the
programmed temperature.
ALL
(Factory Preset)
Air and Floor Sensor
Heating will be switched on by the thermostat when the room air temperature falls below the
programmed temperature. The thermostat will cut the power to the heating if the floor
temperature rises above the temperature limit set. The value of this limit can be set within the
advanced settings (factory set at 35ºC)
If this thermostat is to be used with any under floor heating system designed for floor coverings other than ceramic, porcelain or stone
floor tiles, ensure the limitation temperature value is set in accordance with the value recommended by your floor covering supplier.
Sensor Error Indicator
Please select the correct mode of internal, external sensor. The display will show Er0 or Er1 if the wrong mode is selected or there is sensor
failure. Er0 means there is no internal sensor or there is internal sensor failure. Er1 means there is no external sensor or external sensor
failure. The thermostat must not be used until the error has been resolved.
Operating Instructions
Technical Data
Power Supply
AC230V
Max Load
16A
Power Consumption
2W
Setting Range
5 - 90ºC
Limitation Range
5 - 60 ºC (Factory set @ 35ºC)
Switching Differential
0.5 - 10ºC (Factory set @ 1.0ºC)
Ambient Temperature
-5 - 50ºC
Protective Housing
IP20
Housing Material
ABS & PC Fire-resistant
Certification
CE & ROHS
Floor Sensor
Rubber-thermoplastic NTC 10K
Internal Air Sensor
NTC 10K
User’s Daily Operation
1.
To switch on or off press
2.
To temporarily change the operating temperature when in program controlled mode, press
or
The
temperature will revert back to pre programmed value at the next change of event.
3.
To adjust the current time, hold
for 5 seconds. Press
again to select the required object. Press the
or
keys
to adjust time & day, then switch off thermostat for confirmation.
4.
To change between manual mode & program controlled mode, press
5.
To lock and unlock hold both the
and
keys together for 5 seconds. The
symbol will appear when locked.
6.
The large central temperature displayed is the measured temperature. The smaller value underneath which alternates
with the time, is the target set temperature.
7.
To enter advanced settings turn the thermostat off, then hold the
key down and press
simultaneously.
HVAC CONTROLS PRODUCTS DS/MRD-06-100114E
Summary of Contents for E91.716
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