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UAB KOMFOVENT reserves the right to make changes without prior notice
ZC-19-02
2.2. Zone module connection to Verso Pro units
To Verso Pro unit zone module must be connected to connection box PD2. Connection box is located in the supply fan
section, fixed on the wall near the supply air outlet. Depending on the AHU model, inside of the PD2 box it can already be
connected cable for electrical heater section (please refer to the wiring diagram of the exact unit). In that case zone module
cable is connected to the same contacts, without disconnecting electrical heater cable.
CAT5 or similar twisted pair cable is recommended for the connection. If more than one zone module will be used, the
second module can be connected in parallel from the PD2 box or from the first zone module. Maximum length of the cable
from C5 board to the last zone module cannot exceed 150 m.
Zone control module is not needed, if complete Verso Pro electrical heater section is used as additional temperature zone
heater or additional heating step (see application examples in section 1.2.). In such case the electrical wiring is the same as
above, but cable from PD2 box is connected directly to the PM board located inside of electrical heater.
PD2 connection box
Zone module 1
(PM board)
Zone module 2
(PM board)
PD2
connection box
1
2
3
4
9
10
11
12
A
B
+24V
GND
9
10
11
12
A
B
+24V
GND
+24V
GND
A
B