Laufen EMS-8 Serie Manual página 31

3 Installation and maintenance
The clamps are equipped with CAGE
CLAMP connection technology for slotted
®
screwdriver operation only.The following
sequence must be followed during the
electrical installation (see Figure 3):
1. Insert a flat-head screwdriver
(3x100) in the square clamp opening and
possibly exert a slight pressure on the
spring. Do not turn the screwdriver!
2. Insert the stripped wire through the
round clamp opening into the opened
spring cage.
3. Remove the screwdriver.
4. Check the fixed position of the conduc
tor by gently pulling the cable!
3.2.1 Start/Stop operation mode
For Start/Stop operation mode a button
(closer) has to be connected the provided
input. In this mode, the hot and cold water
pipe are controlled by solenoid valves. Ad-
ditionally cold water can delivery free-of-
charge by setting P29.
3.2.2 Flow control operation mode
For flow control operation mode the contact
of the flow control unit is connected to the
start/ stop input of the EMS-8x-DU. In this
mode, only the hot water pipe is controlled.
The time period begins with the removal of
hot water.
DE/FR/IT/EN/ES/NL/CS/LT/PL/HU/RU/BG
CAUTION:
Do not push the wire into the square
clamp opening!
Do not push the wire into the clamp
before clamp is fully opened ! (refer to
sequence above)
Otherwise, the contact is not suffici-
ent and it may create sparks or fires!
Defects by a non-professional installa-
tion are not covered by the guarantee
or warranty - Liability for consequential
damages are excluded!
Figure 4:
Installation for Start/Stop mode
water
supply
LK'
LW'
cold warm Start/Stop
water to
TYP 24V AC
shower
Figure 5:
Installation for flow control mode
water
supply
LW' LK'
cold warm Start/Stop
Q
flow control unit
water to
TYP 24V AC
shower
31
Figure 3:
Handling instructions for wire connection
N L
N L
N L
3.3 Maintenance
The devices of the EMS-8x series are nearly
N L
maintenance-free. Only the coin selector
has to be cleaned sometimes, in order to
guarantee a proper operation.