Location, Assembly And Installation Instructions; Connecting The Control Room Unit To The Carbon Monoxide Monitor; Direct Connection To Transceiver - Unitronics Land Vision280 User Manual

Control Room Unit for Model 9100 Carbon Monoxide Monitors

Location, Assembly and Installation Instructions

Do NOT install the control room unit where there is
conductive dust, corrosive or flammable gas, moisture or rain, excessive heat and
shocks or excess vibration
Do not allow debris to fall inside the unit during installation.
Leave 10 mm space for ventilation between the top and bottom edges of the controller
and the enclosure wall.
Where panel is mounted on a metal plate, earth the power supply.

Connecting the Control Room Unit to the Carbon Monoxide Monitor

The common connection should be connected as shield to the 0 V terminal of the
control room unit.
A two pin connector is supplied with the control room unit. Connect to port COM3 of
the control room unit.
The Control Room Unit is connected directly to the Model 9100 receiver.

Direct Connection to Transceiver

Connect the COM3 port on the CRU to Connector C on the Model 9100 receiver using
the small connector supplied with the CRU.
RS485
Function
D1 (B)
D0 (A)
CRU Connector CRU Connector
Pin Color
1 Red
6 White
4
Receiver Receiver Cable
Connector Pin Colour
A, D Black, White
B, C Brown, Red
User Guide