Wc4171 – timer/clock – Velleman WC4171 User Manual
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WC4171
VELLEMAN
3
WC4171 – TIMER/CLOCK
1. Introduction & Features
 
To all residents of the European Union 
Important environmental information about this product 
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm 
the environment. 
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized 
company for recycling. 
This device should be returned to your distributor or to a local recycling service. 
Respect the local environmental rules. 
If in doubt, contact your local waste disposal authorities. 
 
Thank you for buying a Velleman product! This indoor wall timer/clock is compact and user-friendly and can also be 
used as a wall clock. Please read the manual thoroughly before bringing this device into service. If the device was 
damaged in transit, don't install or use it and contact your dealer. 
 
2. Safety Instructions
•
Damage caused by disregard of certain guidelines in this manual is not covered by the warranty and the dealer 
will not accept responsibility for any ensuing defects or problems. 
•
This device is for indoor use only.
•
Keep this device away from high temperatures, humidity, dew, water and direct sunlight.
•
Do not crimp the power cord and protect it against damage. Have an authorised dealer replace it if necessary.
•
Disconnect the device from the mains to clean it or when it is not in use. Handle the power cord by the plug only.
•
Clean your device using a damp cloth. Do not use alcohol or solvents.
3. Powering Your WC4171
 
Your WC4171 can be powered through a battery (not incl.) or through an AC/DC adapter. Plugging the adapter into 
the WC4171 wall simultaneously recharge the battery. A discharged battery takes 20h to fully recharge and will 
operate for 4h. 
 
Battery connection: connect the red wire with the red terminal; connect the black wire 
with the black terminal. Refer to the figure. 
 
Next, insert the adapter plug into the input. Connect the adapter to the mains. Switch 
on the WC4171. 
 
4. Operation
•
Timer 
Press CLOCK/TIMER and select the TIMER mode. 
o
Counting Up
Press GO/STOP and select STOP.
Press TIMER SET/INTERVAL SET and select TIMER SET.
Clear any displayed time if necessary with HOURS/MINUTES or MINUTES/SECONDS. Press the 
button once to increase, hold the button pressed to decrease. 
Press GO/STOP and select GO. The display will now count up (up to 99:59, after which it will return to 
00:00 and continue counting). Press GO/STOP and select STOP to stop. Reset the time to zero by 
pressing 12HR/24HR/RESET. 
