Clas Ohlson WS2015H User manual

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Wireless Thermometer
Trådlös termometer
Trådløst termometer
Langaton lämpömittari
Art.no Model
36-1794 WS2015H+WT450 Ver. 201103

2
English
Wireless Thermometer
Art.no 36-1794 Model WS2015H+WT450
Please read theentire instruction manual before use and save it for future reference.
Wereserve theright for any errors in text or images and for making any necessary
technical changes to this document. Ifyou should have any questions concerning
technical problems please contact our Customer Services.
Contents
1. Description .............................................................. 3
2. Installation ............................................................... 5
3. Setup ........................................................................ 6
3.1 Setting thetime, date and language ........................ 6
3.2 Setting thealarm ...................................................... 7
3.3 Synchronization of theoutdoor temperature ........... 7
4. Operation ................................................................. 8
4.1 Reading thetemperature .......................................... 8
4.2 Temperature alarm .................................................... 9
4.3 Different ways to read theclock ............................. 10
4.4 Timer function .......................................................... 10
4.5 Batteries................................................................... 11
5. Troubleshootingguide .......................................... 12
6. Recycling ............................................................... 12
7. Specifications ........................................................ 13

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2
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S E T C /F
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A A 1 . 5 V
+
-
A A 1 . 5 V +
1
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1
%
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S E T C /F
-
A A 1. 5V
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-
A A 1. 5V +
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%
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1. Description
General
• 12/24 hour clock with alarm
• Indoor temperature
• Can receive and display temperature and humidity data from
up to four sensors via radio signals on 433 MHz
• Max and min temperature memory
• Temperature alarm
• Temperature trend indicator
• Temperature readings in ºC (Celsius) and ºF (Fahrenheit)
• Range up to 40 m
• External temperature sensor
• Battery: In total 4 x AA/LR6 batteries (alkaline)
Receiver
1. [Mode/Snooze]: Press
repeatedly to browse between
time, day of theweek, time
zone, alarm and temperature
alarm. Snooze button.
2. [Hour/+/Max]: Press
repeatedly to set thehours,
month, and language. Press
to display themax indoor/
outdoor temperature.
3. [Alarm/C/F]: Switches
between ºC and ºF, 12 and
24 hour format, alarm on and
off; deletes thesettings for
thetemperature alarm.
4. [Channel]: Press repeatedly to
browse between thechannels
1–4, or to browse between
thedays of theweek when
setting thedate.
5. [Minute/-/Min]: Press
repeatedly to set theminutes,
day, and language. Press to
display themin indoor/outdoor
temperature.
6. Holefor wall mounting and
table stand.

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S E T C /F
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A A 1 . 5 V
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-
A A 1 . 5 V +
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%
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7 8 9
10
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12
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2
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S E T C /F
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A A 1 . 5 V
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-
A A 1 . 5 V +
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S E T C /F
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A A 1. 5 V
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-
A A 1. 5 V +
1
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1
WS2015 receiver WT450 transmitter
20
21
13
14
15
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18
19
Transmitter (sensor)
7. [SET]: Channel and house code
setting button. Pushto select
achannel for thesensor and to set
acode to suit your receiver unit.
Thiscould be important if there is
other radio equipment close by
which might interfere.
8. [C/F]: Changes between Celsius
and Fahrenheit and also between
channels and house codes.
9. LCD display.
10. Batterycompartment.
11. Connectingan external
temperature sensor.
12. Externaltemperature sensor.
Displays
13. Outdoortemperature and trend
14. Indoortemperature and trend
15. Clock/Alarm clock
16. Date/Month
17. Channel
18. Day
19. Alarmclock symbols
20. Channel
21. Outdoortemperature
Batteries
• Insert thebatteries into thereceiver first, then the transmitter (sensor).
• When inserting thebatteries, place thetransmitter and thereceiver unit close to
each other to make sure that they synchronise.
• Position thetransmitter and receiver within operating range of one another.

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S E T C /F
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A A 1 . 5 V
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-
A A 1 . 5 V +
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%
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1
1 2
4
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1
2
1
S E T C /F
-
A A 1. 5V
+
-
A A 1. 5V +
1
1
1
%
1
1
1
2
1
S E T C /F
-
A A 1. 5V
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-
A A 1. 5V +
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%
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S E T C /F
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A A 1. 5V
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-
A A 1. 5V +
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%
1
1
2. Installation
Installing thetransmitter (sensor)
1. Removethebattery cover and insert 2 x AA/
LR6 batteries into thebattery compartment.
2. Thehouse code digit “01h” will flash for
8seconds.
3. Whilstthedigit is flashing, choose ahouse
code (01–15) using [C/F]. Makesure that all
thesensors in your system have thesame
house code.
4. Push[SET] to confirm thehouse code.
Theset channel will flash for 8 seconds.
5. Selectachannel (1–4) by pushing [C/F].
Confirmthechannel by pushing [SET] or
by not pushing any button for 10 seconds.
Ifyou only have one sensor, we recommend
that you choose channel 1.
6. Thetemperature is now shown on thedisplay.
7. Alternatebetween Celsius and Fahrenheit by pushing [C/F].
8. Screwthebattery cover back securely.
9. Connecttheexternal temperature sensor.
• When thetransmitter (sensor) is installed it will send data in one-minute intervals.
• Choose another house code if your thermometer is receiving interference from
other nearby radio equipment.
• Default factory setting: house code = 01, channel = 1.
The sensor can be placed outside, it is waterproof. However, we recommend that
thesensor is placed out of therain, snow or sun, to prolong its lifespan.
If it is very cold outside, thecapacity of thebattery will be less than it would be if it were
placed indoors; furthermore thedisplay can blackout or thedigits can slow down.
Positioning thereceiver
Remove thebattery cover and
insert 2 x AA/LR6 batteries into
thebattery compartment.

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3. Setup
3.1 Setting thetime, date and language
Setting theclock
1. Hold[Mode/Snooze] for three seconds until asignal is heard and you come to
thesettings mode. The digits of theclock display will flash.
2. Press[Hour/+/Max] to set thehours and press [Minute/-/Min] to set theminutes.
3. Whilesetting theclock, press [Alarm/C/F] to switch between 12 and 24 hour
clock. In12-hour display mode, AM or PM is also shown on thedisplay.
Setting thedate
1. Ifyou are not already in thetime and date settings mode, press and hold in
[Mode/Snooze] for three seconds until asignal is heard and you come to
thesettings mode. Press[Mode/Snooze] once again until thedate display
beginsto flash.
2. Press[Hour/+/Max] to set themonth and press [Minute/-/Min] to set theday.
Press[Channel] to set theday of theweek.
Press [C/F] if you want to leave thesettings mode.
Setting thelanguage
1. Pressand hold [Mode/Snooze] for three seconds until asignal is heard and you
come to thesettings mode. Press [Mode/Snooze] again until theletter representing
alanguage (D for German, E for English, F for French or I for Italian) flashes.
2. Thenset thelanguage using [Hour/+/Max] and [Minute/-/Min].
Press [C/F] if you want to leave thesettings mode.
Setting time zone 2 (to display thetime in another time zone)
1. If you are not already in thetime and date settings mode, press and hold in
[Mode/Snooze] for three seconds until asignal is heard and you come to
thesettings mode. Pressrepeatedly on [Mode/Snooze] until “ZONE00” begins
toflash.
2. Then select thedesired time zone (-1 to -12/+1 to +12) using [Hour/+/Max] and
[Minute/-/Min].

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1
S E T C /F
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A A 1 . 5V
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-
A A 1 . 5V +
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%
1
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S E T C /F
-
A A 1 . 5 V
+
-
A A 1 . 5 V +
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%
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3.2 Setting thealarm
1. Press[Mode/Snooze] repeatedly until you get to Alarm 1 or 2.
2. Press[Hour/+/Max] to set thehours and press [Minute/-/Min] to set theminutes.
3. Press[Alarm/C/F] to activate or deactivate thealarm. “ON” will appear next to
thealarm symbol if thealarm is activated.
4. Push[Mode/Snooze] to save thesetting.
5. The alarm sounds for two minutes. Thealarm can be turned off by pressing any
button or can be delayed for five minutes using thesnooze function by pressing
[Mode/Snooze].
3.3 Synchronising theoutdoor temperature
Automatic synchronisation
1. Thesynchronisation starts automatically and
lasts for about three minutes when you insert
thebatteries for thefirst time.
2. Duringthese three minutes thereceiver emits
an audible signal, captures thetemperature
information and displays it on thereadout.
Note: If thereceiver does not receive any signals within three minutes “- - -” appears
instead of thetemperature.
Move theunits closer together and repeat theautomatic synchronisation process
by removing thebatteries. Leavethebatteries out for at least one minute.
Replacethebatteries, first in thereceiver and then in thesensor. Placethedisplay
unit (receiver) and sensor next to each other during this process.
Manual synchronisation (searching for signals)
If you add another sensor to thesystem or if thereceiver loses thesignal (digits for
theoutdoor temperature flash) you need to synchronise thesystem again.
1. Holdin [Channel] for three seconds when thereceiver is in clock mode.
2. Anaudible signal informs you that thesynchronisation has begun.
3. The“CH” symbol flashes and thereceiver emits an audible signal when it has
located thenew sensor.
4. Thetemperature at thesensor is displayed on thereadout.
Note: The synchronisation procedure lasts about three minutes. Iftheunits have not
found one another within that time, try new positions until asignal is received.

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MIN
MIN
MAX
MAX
1
O U T
1
MIN
MIN
MAX
MAX
1
O U T
1
4. Operation
4.1 Reading thetemperature
Displaying theindoor temperature:
1. Whenyou have inserted thebatteries thetemperature
will appear on thedisplay.
Displaying theoutdoor temperature
1. Press[Channel] repeatedly to switch channels
between 1, 2, 3 and 4 (if you have more than one
transmitter/sensor). Thetemperature is shown on
thedisplay.
2. Pressand hold in [Alarm/C/F] for 3 seconds to
activate or deactivate automatic switching between
thedifferent channels (applies if you have more than
one transmitter/sensor).
Switching between Celsius and Fahrenheit
1. Switchbetween Celsius and Fahrenheit by pressing
[Alarm/C/F] when thereceiver is in clock mode.
Displaying themax and min temperature
• Press[Minute/-/Min] in theclock mode to see
theminimum temperature.
• Press[Hour/+/Max] in theclock mode to see
themaximum temperature.
Deleting themax and min temperature
Note: The max/min values must be deleted manually if
you wish to change themeasuring period.
Select thedisplay of thevalue to be deleted. Pressand
hold in [Minute/-/Min] or [Hour/+/Max] for 3 seconds
until asignal is heard and thestored temperature value
isdeleted.
Indication that thetemperature is outside themeasuring range
“Hi” and “Lo” appear on thedisplay when thevalues are above or below thenormal values.
Indoor/outdoor Temperature Humidity Display
Indoor > +55 ºC > 95 % Hi
Indoor < -20 ºC < 15 % Lo
Outdoor > +70 ºC > 95 % Hi
Outdoor < -30 ºC < 15 % Lo

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MIN
MAX
MAX
1
O U T
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1
2
MIN
MIN
MAX
MAX
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O U T
1
Note: The sensor’s display goes down to -50 degrees. Themain display unit (receiver)
only displays temperatures down to -30 degrees. Ifthetemperature falls below -30,
“LO” appears on thedisplay.
Displaying thetemperature trend
The temperature trend is read every half-hour and is shown with arrows as follows:
Indicator
MIN
MIN
MAX
MAX
1
O U T
1
MIN
MIN
MAX
MAX
1
O U T
1
MIN
MIN
MAX
MAX
1
O U T
1
Trend Rising Steady Falling
External temperature sensor
The sensor is equipped with asocket
forconnecting thesupplied external
temperature sensor.
1. Connecttheexternal temperature sensor
to theinternal sensor.
2. Whentheexternal temperature sensor
is connected, thefollowing appears on
thedisplay:
• The temperature at theexternal sensor
• The OUT symbol
• The humidity at theexternal sensor
4.2 Temperature alarm
You can decide if you want thealarm to warn you when thetemperature reaches
acertain level. Youcan set two alarms at thesame time – one for thereceiver and
onefor asensor.
Indoor temperature alarm (receiver)
1. Press[Mode/Snooze] repeatedly to get to
theindoor temperature alarm setting mode.
MIN
MIN
MAX
MAX
1
O U T
1
will appear.
2. Press[Alarm/C/F] repeatedly to switch between
temperature alarms for high and low temperatures
and also to activate thealarm.
• If thetemperature is rising, thearrow in the“trend” box will point upwards.
• If thetemperature is falling, thearrow in the“trend” box will point downwards.
• If thetrend arrow is not shown, it means that thetemperature alarm is deactivated.
3. Press[Hour/+/Max] or [Minute/-/Min] to set thetemperature for when thealarm
should sound.
4. Press[Mode/Snooze] to confirm thesetting.

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Temperature alarm outdoor (sensor)
1. Press [Mode/Snooze] repeatedly to get to
theoutdoor temperature alarm setting mode.
The
MIN
MIN
MAX
MAX
1
O U T
1
symbol appears on thedisplay.
2. Press [Channel] to select asensor.
3. Press [Alarm/C/F] repeatedly to switch between
temperature alarms for high and low temperatures
and also to activate thealarm.
4. Press [Hour/+/Max] or [Minute/-/Min] to set thetemperature for when thealarm
should sound.
5. Press [Mode/Snooze] to confirm thesetting.
When thetemperature alarm sounds
The display shows which channel it is set to and also whether thealarm is for rising or
falling temperature. Press any button to shut thealarm off.
4.3 Different ways to display thetime
There are three different ways of displaying thetime and date. Switch between these
by pressing [Mode/Snooze].
1. Hours, minutes, seconds, date and month.
2. Hours, minutes, weekday, date and month.
3. Timezone 2: Hours, minutes, weekday, date and month.
4.4 Timer function
You can set thetimer to have theclock count down and have thealarm sound after
theset countdown time. Thealarm is turned off by pressing any button.
1. Press[Mode/Snooze] until thetimer symbol
MIN
MIN
MAX
MAX
1
O U T
1
appears.
2. Press[Hour/+/Max] to set thehours and press [Minute/-/Min] to set theminutes
and press [Channel] to set theseconds.
3. Press[Alarm/C/F] to start thecountdown.
• Press [Alarm/C/F] again to stop thecountdown.
• Press [Alarm/C/F] once more to restore theset countdown time.
• Press [Alarm/C/F] one more time to start thecountdown again.