VTS Medical Systems VENTUS COMPACT HP VVS021c Instructions For Use Manual page 41

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
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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