11
No.
X501
X502
X504
1
Smoke sensor power supply
(12 V DC)+
Water sensor
Outdoor exhaust air damper 24 V DC
2
Smoke sensor feedback–
Water sensor
Outdoor exhaust air damper GND
3
Port for remote startup and
s
Fresh air damper 24 V DC
Outdoor exhaust air damper U
(feedback)
4
Port for remote startup and
shutdown–
Fresh air damper GND
Outdoor exhaust air damper Y (control)
5
Port 1+ for reporting
common alarms
Fresh air damper U (feedback)
Indoor side supply air damper 24 V DC
6
Port 1– for reporting
common alarms
Fresh air damper Y (control)
Indoor side supply air damper GND
7
Port 2+ for reporting
common alarms
N/A
Indoor side supply air damper U
(feedback)
8
Port 2– for reporting
common alarms
N/A
Indoor side supply air damper Y
(control)
(Side cabling)
(Bottom cabling)
(Optional) Connecting Signal Cables
Signal cable terminal (using X501 as an example)
•
The left figure shows the arrangement of signal cable
terminals X502 and X504.
•
If a water sensor (rope-type) is connected to the outside,
connect the signal cable to terminals X201 and X202.
Connecting Power Cables
In side cabling mode, remove baffle plates 1 and 2 in front of the cable holes, install the protective coil on baffle plate 1, install
baffle plate 1 to the original position, and then route the power cables through the protective coil and cable holes in sequence.
(1) Baffle plate 1
(2) Baffle plate 2
