4 connecting the valve control line, Connecting the valve control line -2 – YSI IQ S ENSOR N ET MIQ/CHV PLUS User Manual
Page 12

Installation
MIQ/CHV PLUS
3 - 2
ba76036e01
01/2012
3.4
Connecting the valve control line
Note
The valve control line must be connected if the valve is not controlled 
via the IQ S
ENSOR
N
ET
system.
Warning
The valve circuit must not supply any unauthorized voltages or 
currents. It has to be made sure that the circuit at any time meets 
all requirements of a Limited circuit or Limited Power as well as of 
SELV (Safety Extra Low Voltage). For more details, see chapter 7 
T
.
General installation
instructions
Observe the following instructions when attaching connecting wires to 
the terminal strip:
Shorten all the wires used to the length required for the installation.
Basically, fit all stranded wire ends with wire end sleeves before 
connecting them to the terminal strip.
Any wires that are not used and project into the housing must be cut 
off as closely as possible to the cable gland.
Materials required
Wire end sleeves, suitable for the connecting wires, with suitable 
crimping tool
1 x cable gland with sealing ring (scope of delivery MIQ/CHV PLUS)
Tools
Cable stripping knife
Wire stripper
Phillips screw driver
Small screw driver
Warning
Danger of injury from lines that are under pressure. The 
compressed air glands in the housing may only be opened by a 
service technician authorized by YSI.
