11-11
CONTROL SYSTEM
SM TRIO52 1-A.2 GB
Notes
1. Pressing time is defined as the time between press and release.
2. If pressing time is one second or less – press is considered as short pressing.
3. If pressing time is three seconds or longer – pressing is considered as long pressing.
In between, pressing is undetermined and system will not respond to pressing.
4. For the LED functionality during diagnostics, refer to the diagnostics Sect.
11.20.2 Outdoor Unit Controller Indicators
Unit has three LED’s.
SB LED is ON when power is ON (230 VAC, even when no communication).
STATUS LED is ON when COMP is ON, and Blinks according to diagnostics mode
definitions when either fault or protection occurs.
FAULT LED Blinks according to diagnostics mode definitions when either fault or
protection occurs
.
11.21
Test Mode
11.21.1
Entering Test Mode
System can enter Test mode in two ways:
x
Automatically when the following conditions of outdoor unit and each indoor unit both
exists for 30 minutes continuously:
o
Mode = Cool, Set point = 16, Room temperature = 27±1, Outdoor
temperature = 35±1
Or
o
Mode = Heat, Set point = 30, Room temperature = 20±1, Outdoor
temperature = 7±1
x
Manually when entering diagnostics of each indoor unit with the following settings:
o
Mode = Cool, Set point = 16
o
Mode
=
Heat, Set point = 30
CONTENTS
