Zehnder EASY 5.0
16
11. Anti-fire function
11.1. General information on the function and its possible configuration
When the anti-fire function is active, it can be identified by the pictogram in the “operating mode” area of the home
page.
The anti-fire function is activated when the corresponding digital input DI is active.
It allows the machine to be forced to operate on sequences specific to the anti-fire function.
This function is inactive when the unit leaves factory and must be configured when the machine is commissioned.
The anti-fire function cannot be used to control fire dampers. The management and control of these components should
be done independently, if necessary.
When the anti-fire function is activated, the bypass control output of the plate heat exchanger is deactivated and the
fresh air is diverted from the plate heat exchanger.
Only the behaviour of the unit, fans and isolation registers can be configured when the anti-fire function is activated.
In the case of a rotary heat exchanger, the recovery sequence remains on auto if the selected operating mode allows the
machine to operate.
Access path to the function (Access level: Expert)
Step 1
→
Step 2
→
Step 3
→
Step 4
From
screen
Area to
click
Functions
Protection against fire
Settings and configuration
Sensors
Alarms
PID loops
Functions
Actuators
Function settings
Protection against icing
Protection against fire
Forced operation
Cooling
Cold recovery
Main menu
Z-MASTER-V1122-CSY-INM-Zehnder Easy5.0
