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6.3.2 External outputs
The external outputs are 3 potential free relays with a common supply. Total rating is 3A 250VAC or 30VDC resistive
load. For inductive or capacitive load proper precautions must be made to avoid over voltage. Current on one output
should not exceed 1A.
Output name
Compressor running
Defrosting
Error
6.4 Circuit diagram
Example
_7. LED
indicators_
The unit has 3 LED's
・LED 1 (Green)： indicates demand level with 1HZ pulses,
one per 10% demand. 3,0sec without light between
indication cycles.
・LED 2 (Red) ：indicates operation mode and outdoor
communication status.
Continuous red = heating
Off = cooling
This product and outdoor unit mismatch = 1Hz
blinking
Communication error 5Hz blink
This error condition is if this product
can't receive the communication
protocol over the 120 seconds.
Terminal No.
3—4
2—4
1—4
Page 6 of 8
・LED 3 is general system state indication.
For detailed description of LED3 go to https://ecosmart.cloud
LED 3
Breathing cyan
When it is breathing cyan, your device is
happily connected to the internet.
Rapidly blink
In the process of connecting to the cloud,
cyan
it will rapidly blink cyan. You often see
this mode when you first connect your
product to a network, after it has just
blinked green.
Blinking green
If your device is blinking green, it is trying
to connect to W-LAN.
Blinking blue
Listening mode – device is ready for
configuration via local device webpage.
Temperature sensor of
AHU heat exchanger
(Locally purchased)
Meaning
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