Chapter 2: Installation
10
ZP1-X3E Series Installation Manual
Connecting inputs
Input functionality
Each control panel has eight inputs, marked IN1 to IN8 on the control panel PCB.
Input functionality is shown in the table below.
Table 6: Input functionality
Input
Function
Supervision
IN1
Start extinguishing manual call point
Supervised
IN2
Hold extinguishing manual call point
Supervised
IN3
Abort extinguishing manual call point
Disable extinguishing switch (BS 7273 mode)
Supervised
IN4
Manual-only mode activation device
Unsupervised
IN5
Low pressure indication
Supervised
IN6
Extinguishing agent flow
Supervised
IN7
Safety door fault monitoring
Supervised
IN8
Remote reset
Unsupervised
Input termination
Only supervised inputs require a 15 kΩ, 5%, 1/4 W end-of-line resistor for
termination. If a supervised input is not used, the end-of-line resistor must be
installed across the unused terminals.
Connecting inputs
Connect inputs IN1 to IN8 as shown below.
Figure 4: Connecting inputs
See “Input and output specifications” on page 81 for the input circuit parameters.