M52 Microprocessor User's Guide
M52UMCT Oct-03 41
Co-Work™ exchanges sensor reading of temperature and humidity of network units and
operates from the average reading. This prevents units from fighting each other when
multiple units control one space.
Settings Menu, Sensor mode:
Additional flexibility in configuring a ‘n+1’ Co-Work network has been added. In certain
cases it could be desirable to ignore the sensor data from standby units. Therefore, the client
may now select to ignore or include sensor data from standby units. In the factory default
setting, the M52 will ignore sensor data from a standby unit in the calculation to determine
the average return air temperature and humidity in the controlled space. To include sensor
data for standby units, open page 2 of the Settings section and review the Sensor mode
entry.
To include the sensor data of a standby unit in calculating the average return air temperature
and humidity for a space, select REMOTE option instead of LOCAL.
Setting up the Co-Work™ network:
Follow the field wiring diagram as shown on page 44
Power off each unit as detailed in section Powering On/Powering Down. Turn off power at
the unit mounted disconnect and open control panel door. Make your Co-Work™ wiring
terminations. Set the dip switch setting on each microprocessor main board and each
corresponding I/O expansion board as shown on page 11
Notice that dual compressor, Series 9 units have two I/O expansion boards.
Close control panel door and restore disconnect switch to on position. Logon to one unit in
the network and start the unit (see page 6)
The setting of these switches will create individual addresses for each unit. The address will
be displayed in the top right corner of the display (see page 8) Note the Network address
located in the top left corner of the screen refers to the RS485 communication network
SatchNet and is Canatal’s control and monitoring software system. Consult your local
representative or the factory for details.
Decide how many units are required to maintain the room load. This is the number of duty
units. Log on to any unit in the network using the Level 1 password. Select the Setting page.
Enter the number of duty units on page one of the settings tab.
Log off of the system (page 12)
The Co-Work network is now set up. Each unit has a unique address that identifies each
printed circuit board in the network. See page 10 for the PC board address code.
Notes:
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