Elko CRM-4 Quick Start Manual page 3

ELKO EP, s.r.o.
Palackého 493
769 01 Holešov, Všetuly
Czech Republic
Tel.: +420 573 514 211
e-mail: elko@elkoep.com
www.elkoep.com
Made in Czech Republic
02-71/2016 Rev.: 2
Characteristics
• Simple staircase switch used to control lighting in corridors, halls, staircases, com-
mon areas.
• Can also be used for delayed fan run-out e.g. in bathrooms, toilets...
• 3 functions:
- ON (permanently closed) - e.g. when cleaning, moving
- AUTO - STAIRCASE SWITCH without signalization
- OFF (permanently open) - e.g. when replacing lights
• Adjustable time range 0.5... 10 minutes
• Timing can be terminated by long pressing the control button (> 2s)
• Possibility to connect control buttons with glow lamps (max. 100mA)
• Potential-free output contact 16A AC1 (4000VA), surge current up to 80A
• Option of 3 or 4 wire connection
Description
1
2
3
1. Supply voltage indication
4
2. Time setting
5
3. Function setting
6
4. Supply voltage terminals
5. Control input
6. Output timing /
switching indication
7. Output contact
7
CRM-4
Staircase switch
Connection
L
N
L
N
Function
When switching between functions, the red LED fl ashes.
U
S
AUTO - STAIRCASE SWITCH without signalization
By briefl y pressing the control button, the device timed the set time. You cannot extend
the time interval by briefl y pressing the button repeatedly.
Function suitable for resistive loads (e.g. bulbs) and loads that do not tolerate frequent
switching on and off (e.g. energy saving lamps, LED bulbs).
Notice:
- After the supply voltage has been connected, the device always performs 1 time cycle.
- The control input reacts to the potential of terminals A1 and A2.
1 / 2
3-wire connection
A1 S A2
15 16 18
4-wire connection
A1 S A2
15 16 18
>2s
t t
EN