Control Center Components; Main Control Center Components; Electrical Cabinet; Controls Cabinet - valent VX Series Installation, Operation And Maintenance Manual

Control Center Components

Main Control Center Components

Image represents a typical installation for VXE-112 or VXE-212. Components and locations will vary on VXE-311,
-352 and VX models.

Electrical Cabinet

1. Power distribution block; high voltage
supply is terminated here
2. Fuse holders
3. Phase monitor
4. Unit Disconnect
5. Condensing fan motor contactors
6. Wheel motor contactor
7. Compressor motor contactors

Controls Cabinet

8. Transformer
9. VFDs
10. Microprocessor controller
11. Monitoring points
12. Low voltage terminal strip
13. Relays
14. Dirty filter switches
15. Wheel pressure switch
16. Outdoor airflow monitor
17. Exhaust airflow monitor
18. Digital scroll controller
Optional Indirect Gas-Fired Furnace
Note: In some models, two furnaces are installed to provide greater output. When two furnaces are installed, they are
in parallel and both will operate at the same time and the same output. Both furnaces will have identical controls.
1. Single-stage valve
2. Modulating valve
3. PCOE expansion board
4. Ignition controller
5. Transformer
6. Combustion blower
7. Burner manifold
8. Collector box
For further information on the optional furnace and its control center, see the Indirect Gas-Fired Heat lOM shipped
with the unit.
14 Dedicated Outdoor Air Unit
9
9
9
10
11
12
13
Controls Cabinet
Accessible via compressor door
7
4
3
5
1 2
6
Accessible via control center door
14
15
16
17
18
8
4
3
1 2
8
Electrical Cabinet
2 2
1
3
5 5
4
2 2
7
7
5
6
8