ENMET PROAIR 2200 - Manual (Page 7)

P RO A IR 2200 ENMET Corporation
4
2.3 Circuit Board Features
The Display Panel is hinged on the left and is released by unscrewing the 2 screws located in the right corners. After releasing
the panel, it is swung to the left, exposing the interior of the enclosure. The Circuit Board is mounted at the back surface of the
enclosure interior. Features are shown in Figure 2.
Feature Description
Relay Terminals This group of terminals is located at the left side of the Circuit Board.
For the contacts for each of four alarm relays, and for the contacts of a fault relay.
Output Terminals One 4-20mA output per active channel. 2 channels/outputs per connector.
Sensor Manifolds (1 & 2) The sample manifolds, the carbon monoxide, carbon dioxide, Hydrocarbon and
oxygen sensors are located under these housings.
Dew Point Manifold The dew point sensor is installed into this housing.
Figure 2: P RO A IR 2200 Interior Features
Power Input
Terminal J23
Audio
Alarm
Sensor Dew Point
If Dew Point option is
installed
Relay Terminals
(6 places)
Aux Terminals
Optional (2 places)
Dew Point Terminal
Optional
Horn Terminal
Fuse Holders
0.630 Amp
(2 places)
Flow Sensor
Sensor
Manifold (2)
Digital Communication
Terminals
Ground Screw
J21
Dew Point Manifold
If Dew Point option is
installed
4 – 20mA Output
Terminals
4 places
Sensor Manifold (1)