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ECPM03 Menu System Overview
NOTE: The activation temp, high temp alarm, and low temp alarm are programmed not to overlap
each other. Ranges shown will be limited by activation temperature, modulation bands, and
hysteresis settings.
ECPM03 Configuration Details
Following is a detailed list of all configurable parameters in the system.
Number of Fans: This menu defines the total number of fans controlled by a single fan control system. It
also corresponds directly to the number of VFDs controlled by one ECPM03 circuit board. This includes all
fans in all groups.
Number of Groups: This menu defines the total number of fan groups controlled by a single fan control
system. A fan group can consist of 1 fan or up to 10 fans.
Number of HMIs: This menu defines the total number of HMI faceplates connected to a single control
system. Each HMI has an internal sensor that can be used to sense room temperature. Any fan or fan
group can be controlled from any or all HMIs.
BMS Fan Settings: This menu allows specific speed set-points for all fans when operating in the low
voltage BMS mode. When a dry contact closes ECPM03 terminal IL1A to IL1B, all fans will go to their
defined BMS speed. The BMS mode speeds are limited by the VFD minimum and maximum speeds
defined under GROUP Settings. Note: The high voltage BMS interlock, H1 to IO1, will override the
low voltage BMS interlock. The high voltage interlock will set fans to their maximum VFD speed.
Fans: This menu allows Fans to be assigned to Fan Groups. All fans assigned to a fan group will function
identically. They will start, stop, increase speed, and decrease speed altogether. The BMS interlock will
override fan group operation and set fans to the BMS Fan Setting individual speeds.
Number of External Temperature Sensors: This menu defines the total number of External 10k
Thermistor Temperature sensors connected to a single control system. Each external temperature sensor
can be used to sense room temperature or average room temperature in a group. Any temperature sensor
can be assigned to one or all fan groups.
Assign External Temperature Sensors: This menu allows External Temperature Sensors to be assigned
to Fan Groups. Sensors can be assigned to 1 fan group or all fan groups. Each sensor that is assigned to
a fan group is averaged with other sensors assigned to that same fan group. The average temperature is
used for all activation and modulation of fans.
Assign HMI Temperature Sensors: This menu allows HMI Temperature Sensors to be assigned to Fan
Groups. Sensors can be assigned to 1 fan group or all fan groups. Each sensor that is assigned to a fan
group is averaged with other sensors assigned to that same fan group. The average temperature is used
for all activation and modulation of fans.
Timer Settings: Timer settings can be applied to individual fan groups. There are three timer modes; (1)
No Timer, (2) Time to Automatic Mode, and (3) Time to Off. When No Timer is selected, this option is
disabled. When Time to Automatic Mode is selected for a fan group, the fan group will switch from a
Manual mode of operation to an Automatic Mode of operation after the timer expires. When Time to Off
Mode is selected for a fan group, the fan group will switch from a Manual mode of operation to Off after the
timer expires.
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