24 l Smatrix Pulse | Installation and Operation Manual
Primary Controller
Relay 1 Relay 2 Relay 3
Pump (default)
1
Boiler (default) Not Configured
Pump
1
H/C Switch
2
Not Configured
Pump
1
Dehumidifier
5
Not Configured
Chiller
1, 3
Boiler Not Configured
Pump
1
Comfort/EC0
6
Not Configured
Not Configured Not Configured Not Configured
Table 6-3: Primary Controller Relay outputs
Sub-Controller
Relay 1 Relay 2 Relay 3
Pump
2
H/C Switch
2
Not Configured
Pump
2
Dehumidifier
5
Not Configured
Not Configured Not Configured Not Configured
Table 6-4: Sub-Controller Relay outputs
Forced Air/Fan Coils
Relay 1 Relay 2 Relay 3
Heating Cooling Fan
Table 6-5: Forced Air/Fan Coils Relay outputs
Caution!
Make sure the power is off (or disconnected from
the device(s) being wired to the Relay Module.
Note
Additional Relay Module will be required when
wiring to a pump or circulator. See wiring
schematics.
Note
Chiller relay function requires a Communication
Module and must be set in Installer Settings during
initial configuration, or in the System Settings Menu.
• Remove the cover from the relay module using a small
flathead or Phillips screwdriver.
• Route the wires from the heating/cooling equipment
through the cable entry below the contacts.
• Ensure the two actuator wires are stripped to
approximately
33
/88" (9.5 mm).
• Insert the wires into the terminal blocks and tighten.
• Replace the cover.
• Apply 24V power supply to the Relay Module.
The Relay Module can be wired to a furnace/air
conditioning system or fan coil unit as shown in Figure
6-5 and will require the Communication Module to set up
this functionality. The Relay Module outputs provide the
following operation:
Heating: The output will turn on (close) for
forced air heating in Heating mode when the
room temperature linked to the Relay Module
falls below its set temperature. Activation will
depend on the rate that the temperature is
falling. The Relay Module will open once the
room temperature reaches the desired set
temperature.
Cooling: The output will close for forced-
air cooling in Cooling mode when the room
temperature linked to the Relay Module rises
above its set temperature. Activation will
depend on the rate that the temperature is
rising. The Relay Module will open once the
room temperature reaches the desired set
temperature.
Fan: This output will close when a need for
heating or cooling is active on the Relay
Module and open when the active function
has ended. If recirculation is needed, the fan
operation can be set manually through the
Smatrix Pulse App.
When the relay module is successfully powered up, the LED
will flash red and then turn solid green to indicate normal
run mode. The relay LED will turn red when there is an
active call for heating and blue for cooling.
Figure 6-5: Relay Module wiring
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