System Test; Installer Setup - homexpert THR842DUK User Manual

Installation and Setup

System test

After installation, you should check to make sure the system is
Set temperature to maximum
working properly.
1 Check the power supply to make sure the system is on and the
35.
°
c green light on the relay box is off.
0
2 Press the p button to raise target temperature to maximum
(35°C).
If the system is set up properly, the "heating" symbol should
appear on the thermostat display, the heating system should
Heat should turn on
begin running, and the green light on the relay box should be on.
3 To stop the test, press the q button to lower the target
35.
temperature to an appropriate level. The heating system should
°
c
turn off and the "heating" symbol on the thermostat screen should
0
disappear.
20

Installer setup

Installer settings allow you to customise how your system
works. Check the tables on pages 22-24 to see if any settings
25.
need to be changed.
°
c
0
To change installer settings:
1 Press and hold the ON/OFF button for 5 seconds.
2 Press and hold the p and q buttons together until the
Press and hold both buttons for 5 seconds
i0
3 Press the p or q buttons to scroll through functions
se
4 To change any setting, press the ON/OFF button, then
0e 5 Press OFF again to save your choice, then use the p or q
: 1
Function Setting
homexpert by Honeywell THR842DUK Wireless Digital Thermostat
tm
screen changes.
quickly until you find one you want to change (see list on
pages 22-23).
press the p or q buttons until the correct value is flashing.
buttons to select another function.
To exit installer setup, press and hold the ON/OFF button
for 5 seconds.
21