DIFFERENTIAL PRESSURE SWITCH - CHARACTERISTICS
Differential pressure
switch
6.5 CONNECTION OF ELECTRIC HEATER CONTROL
MARKING OF THE ELECTRIC HEATER CONNECTION CABLE
- PLUG&PLAY CONTROLS
PRIMARY AND SECONDARY HEATERS
5/x - connect only up to 36kW
AHU Terminal 1 - Connection terminal "Terminal 1" in the panel box/distribution panel.
HE Power BOX - Connection terminal X1 in the electrical heater box/distribution panel.
RE-Heater - Secondary heater for a case other than the following.
RE-Heater DXH - Secondary heater for heat pump unit (C_dxh).
RE-Heater for HUM - Secondary heater for the humidifier unit.
PRE-Heater - Pre-heater.
K1.24 - the connection should be made to pin 24 of the pump relay (K1) located in the control panel of
the AHU
www.vtsgroup.com
Connection
Function
Construction
Rated operating
voltage
Output signal type
Measuring range
OIMM VENTUS COMPACT HP - ver.5.0.9 (10.2024)
Comments
protection of the heater against overheating
(control of pressure difference between
supply air and atmospheric pressure)
•
plastic casing,
•
two screw terminals,
•
diaphragm connected to mechanical
module
30 V DC
potential-free (changeover contact)
20-300 Pa
MAIN HEATER
41
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