MultiGrow Installation Guide
V2.0 MultiGrow Installation Guide Copyright© 2018 Autogrow Systems Ltd 10
Output Modules (Paired & Single)
Paired Output Module
The Paired Output Module is intended for use with Vents, Screens
or modulating valves that have open and close functions. The
Paired Output Module has 4 paired outputs labelled pair 1
through to pair 4 and 2 single outputs labelled output 4 and
output 9. All outputs share the two “common” return
connections.
Pair 1 uses outputs 0,1 Pair 2 uses outputs 2,3
Pair 3 uses outputs 5,6 Pair 4 uses outputs 7,8
In all cases, the first output is for the OPEN function and the second for the CLOSE function. The
switches on the front of the module are configured so that each paired output can be in Manual or
Auto and then the function to Open or Close. This configuration will ensure that the two functions for
each paired output are interlocked and cannot operate at the same time. It is also recommended
that the power contactor sets for each device are also electrically interlocked in the contactor panel.
Single Output Module
Single output modules are wired and set up in a similar manner to
Paired Outputs. They are almost identical to the paired unit other
than the outputs being individually switched.
The switches on the front of the module allow each output device
to be individually operated in Manual or Auto or can be isolated in
the Off position. It is recommended that if works is to be carried
out on any mains powered equipment to isolate the mains power
supplied to that equipment
These manual override switches are a handy function for the initial configuration setup and for any
fault-finding requirements. As the relay contact in the module is a “wet contact” this allows the output
to be switched and operated even if the module has lost communications and there is still power at
the module.
For both Paired and Single Output Modules the Bus Network connections are the same and the
output connections are clearly shown on the PCB of each module. All output voltages are configured
the same as the power supply connected to that Output Module. In most cases a 24v DC power
supply will be connected, this means each output on that module the voltage of the output will be at
24v DC.
Ensure the Power Switch is selected to “Plug Pack” in all cases.
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