Electra DELTA 22 Service Manual page 37

11.18 Indoor Unit Dry Contact
Indoor unit Dry contact has two alternative functions that are selected
by J8.
Function
J8 = Open Presence Detector Connection
J8 = Short Power Shedding Function
11.19 Operating the Unit from the Mode Button
Forced operation allows starting, stopping and operating in Cooling or Heating, in pre-
set temperature according to the following table:
Forced operation Mode
11.20 On Unit Controls and Indicators
11.20.1 Indoor Unit Controller Controls and Indicators for All Models
Except for Floor/Ceiling model
STAND BY INDICATOR
OPERATION INDICATOR
TIMER INDICATOR
FILTER INDICATOR
COOLING INDICATOR
HEATING INDICATOR
Mode SWITCH
(COOL/HEAT/OFF)
RESET / FILTER SWITCH
SM DUO38 1-E.1 GB
Cooling
Heating
1. Lights up when the Air Conditioner is connected to power
and ready to receive the R/C commands
1. Lights up during operation.
2. Blinks for 300 msec., to announce that a R/C infrared
signal has been received and stored.
3. Blinks continuously during protections (according to the
relevant spec section).
Lights up during Timer and Sleep operation.
Lights up when Air Filter needs to be cleaned.
Lights up when system is switched to Cool Mode by using the Mode
Switch on the unit.
Lights up when system is switched Heat Mode by using the Mode
Switch on the unit.
Every short pressing , the next operation mode is selected, in this
order : SB → Cool Mode → Heat Mode → SB → ...
In long pressing system enters diagnostic mode.
For short pressing:
When Filter LED is on - turn off the FILTER INDICATOR after a clean
filter has been reinstalled.
When Filter LED is off – enable/disable the buzzer announcer, if
selected.
CONTENT
Contact = Open Contact = Short
No Limit Forced to STBY
No Limit Limit NLOAD
Pre-set Temperature
0
20 C
0
28 C
CONTROL SYSTEM
11-11