impey Amstat User manual

Amstat Digital Timer Thermostat
Installation guide

2
Table of content
Introduction 3
Button and display description 4
Installing and wiring the thermostat 5
Basic functionality 6
Select how to control your oor heating system 6
Recommended settings 7
Setting the clock 8
Setting the oor temperature max. limit 8
Reading the oor temperature 9
Frost protection mode 9
Error codes 9
Timer functionality 10
Activate timer mode 10
programming the timer - mode 01 10
Technical specications 14
Warranty 15

3
Introduction
Your thermostat is an advanced digital timer thermostat, which
allows you to control your oor heating system by either the oor
temperature, the room temperature or combined.
Please follow the instructions in this manual to ensure many years
of trouble free usage.
When installing the thermostat, DO NOT apply direct pressure to the
thermostat display.
Congratulations with your new oor heating system.
Please notice that the thermostat must be installed by an
authorized electrician!

4
Button and display description
Current room temperature
Heating element
warming
Day of the week
Thermostat on
On/off
Down
Up
Clock
Mode
Current oor temperature
Timer mode activated
Frost protection mode activated

5
Installing and wiring the thermostat
To mount the thermostat to the wall box/wall socket, rst open the
thermostat by gently pushing the tabs in the bottom of the thermo-
stat. To x the thermostat, screw in properly sized screws into the
wall socket/wall box. When installing the thermostat, DO NOT apply
direct pressure to the thermostat display.
When properly fastened and cables connected (see diagram below),
mount the frontpanel to the backpart again.
Electrical wall
box/socket
Wiring diagram
Remote sensor
Mains voltage: 85-240V~
raIP ting: IP30
S1
L
Load
S2 L
N
Load
N
13A
Max. load:
Temperature: 0T30
85-240V~
Max
13A

6
Basic functionality
POWER ON/OFF
To turn thermostat on or off press “ ”
SELECT HOW TO CONTROL YOUR FLOOR HEATING SYSTEM
Your oor heating system can be controlled either by the:
• Floor temperature - program mode 2
The heating element turns on/off around a oor temperature
setpoint (the temperature shown in the display is the actual
oor temperature)
• Room temperature - program modes 1 & 4
The heating element turns on/off around a room temperature
setpoint (the temperature shown in the display is the actual
room temperature)
• Combined oor and room temperature
- program modes 3 & 5
The heating element turns on/off around a room tempera-
ture setpoint with a requested max. oor temperature (oor
temperature is prioritized over room temperature)
Change between the above oor heating modes:
With the thermostat turned off.
Press “” and “ ” for 6 seconds
Select mode 1 to 5 (see table on next page)
After choosing the desired mode do not press any further buttons and
the thermostat will go back to normal standby mode.

7
Basic functionality
RECOMMENDED SETTINGS
The following settings are recommended for different types of oor
constructions:
Top flooring
Program mode
Wooden
floor*
Tiled
floor**
1
(room sensor)
If total effect: 0W-1840W x
2
(floor sensor)
If total effect: 0W-2990Wx x
3
(combined floor and room sensor)
If total effect: 1840W-2990Wx x
4
(room sensor)
If total effect: 1840W-2990Wx
5
(combined floor and room sensor)
If total effect 0W-1840W x x
* Final oor nish made of parquet, laminate, wood, carpet, linoleum
or similar.
** Final oor nish of tiles, concrete, marble or similar.

8
Basic functionality
SETTING THE CLOCK
With the thermostat turned on.
Press “ ” once, hour will ash.
Use the Up/Down key to select the hours.
Press “ ” again, minute will ash.
Use the Up/Down key to select the minutes.
Press “ ” button again, till the week day ashes.
Use the Up/Down key to select the day of the week.
After setting week day do not press any further buttons and the
thermostat will go back to normal operating mode.
SETTING THE FLOOR TEMPERATURE MAX. LIMIT
This function is used for wooden oors mainly and is only available
in program modes using the oor sensor (program mode 3 and 5)
The temperature setting should be maximum 35C, which is also the
default set point of the thermostat.
If you choose to control the oor temperature solely by the oor
sensor (program mode 2) the max. oor temperature is set for 35C
and can‘t be changed.
Change the oor temperature max. limit
(program mode 3 and 5)
With the thermostat turned off.
Hold the “M” button for 10 seconds until the display shows “ ”.
Now let go of the button “M” and the display will show “SET”.
You are now prompted to enter the maximum oor temperature
(temperature range 20° C - 45° C)

9
Basic functionality
READING THE FLOOR TEMPERATURE
With the thermostat turned on.
Press “M” once, the “ FT ” will ash, and the display will show
the oor temperature.
In program mode 2 (oor sensor) the display always shows the current
oor temperature.
In program mode 1 and 4 (room sensor) the display always shows the
current room temperature.
FROST PROTECTION MODE
To enable frost protection mode.
With the thermostat turned off.
Press “M” for 3 seconds.
Select 01 (00 = disabled)
When enabled and the thermostat has been turned off, the heating
will be activated if the room/oor temperature is lower than 5° C; the
heating will turn off if the room/oor temperature is higher than 7° C.
When frost protection mode has been enabled the display shows “ ”.
ERROR CODES
E1: Error on the room sensor (contact installer)
E2: Error on the oor sensor (contact installer)
(only in mode 3 and 5)

10
ACTIVATE TIMER MODE
When using the timer mode, you must rst activate the timer mode:
With the thermostat turned on, hold the “M” button for 3 seconds.
You can select below settings:
00 = Override (disable timer functionality)
01 = Programmable. And the display will show “ ”.
Leave the thermostat and it will go back to normal display.
PROGRAMMING THE TIMER - MODE 01
When programming you need to select Programmable function and
the display must show “ ” (see above)
You can now set the heating programs. The thermostat must have
4 heating periods for the weekdays and 4 heating periods for the
weekend.
Please notice that the programming of the whole calendar week
must take place in one continuous process, so it is a good idea to
have the periods written down for reference when programming
the thermostat.
Note, for the weekend you will also need to program 2 periods. You
can choose one of the periods to be very short or in extension of
the other.
Timer functionality

11
Example, weekdays:
Period 1 starting at 07.00 - Temperature setting 22° C
Period 2 starting at 08.30 - Temperature setting 18° C
Period 3 starting at 17.00 - Temperature setting 22° C
Period 4 starting at 23.00 - Temperature setting 18° C
Example, weekend:
Period 1 starting at 09.00 - Temperature setting 22° C
Period 2 starting at 23.00 - Temperature setting 18° C
Period 3 starting at 23.01 - Temperature setting 22° C
Period 4 starting at 23.02 - Temperature setting 18° C
My settings:
Week days:
Period 1 on ° C
Period 2 on ° C
Period 3 on ° C
Period 4 on ° C
Weekend:
Period 1 on ° C
Period 2 on ° C
Period 3 on ° C
Period 4 on ° C
Timer functionality

12
How to progam the timer:
Hold the “ ” for 3 seconds, the number 1 and
“Mo Tu We Th Fr” are displayed.
This indicates that you can program the rst switching time for the
week-day.
Use Up/Down key to set the required start time.
Press “ ” to accept this setting.
Use the Up/Down key to set the required temp.
Press “ ” to accept this setting.
Repeat for switching times 2-4 week-day.
After you have programmed times 1-4 for the weekday, you are now
able to set the switching times for weekend “Sa Su” will be displayed.
Use Up/Down key to set the required start time.
Press “ ” to accept this setting.
Use the Up/Down key to set the required temp.
Repeat for switching times 2-4 for the weekend.
To disable the timer, select “Override” (Mode 01)
How to override settings in TIMER MODE
At any time you can change the preset timer temperature settings
by pressing the Up/Down key.
Your manual override will apply until the start of the next timer cycle.
Thereafter the thermostat will resume your programmed settings.
Timer functionality

13
Notes

14
Technical specications
External sensor: NTC 10 kOhm at 25° C
Sensor values:
15° C
18° C
20° C
22° C
14,8 kOhm
13,1 kOhm
12,1 kOhm
11,2 kOhm
Display: LCD
Power consumption: <2W
Set-point range: Room: 5° C to 35° C
Floor: 20° C to 35/45° C
Accuracy: ±1° C
Buttons: Touch pad
Switch current rating: <13A (resistive load)
Mains voltage: 85-240V~
Dimensions: 86 x 86 x 13 mm (WxHxD)
Fixing screw width: 60mm
Housing: ABS + PC Flame Retardent
Operating rating: 0~30° C, 5~95% RH
(non-condensing)

15
Warranty
Warranty certificate
Electrician/installer:
Thermostat name:
Installation date:
Article number:
Stamp:
Stamp:
Please notice!
In order to obtain the this warranty an authorized electrician/
installer must ll in the below elds.
Name:
Telephone:
Address:
Zip code/City:

VIIID102 - 20131114
IMPEY SHOWERS LIMITED,
CONQUEST BUSINESS PARK,
ILTON, SOMERSET TA19 9EA
TEL: [phone]
FAX: [phone]
EMAIL: [e-mail]