11-11
CONTROL SYSTEM
SM DEL60Hz 1-E.0 GB
11.10
Outdoor Unit Controller Indicators
Unit has three LED’s. SB LED, STATUS LED, FAULT LED.
SB LED is ON when power is ON (230 VAC),
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.
11.11 Test
Mode
11.11.1
Entering Test Mode
System can enter Test mode in two ways:
Automatically when the following conditions 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
Manually when entering diagnostics with the following settings:
o
Mode = Cool, Set point = 16
o
Mode = Heat, Set point = 30
11.11.2
Unit Operation in Test Mode
In test mode, the unit will operate in fixed settings according to the indoor fan speed setting:
Indoor Fan Speed Setting
Unit Setting
Low
Minimum Capacity Setting
High
Nominal Capacity Setting
Auto
Maximum Capacity Setting
During test mode, protections are disabled, except for stop compressor status.