Electra Delta 25 Service Manual page 38

CONTROL SYSTEM
11.8 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
11.9 Operating the Unit from the Mode Button
Forced operation allows to start, stop and operate in Cooling or Heating, in pre-set temperature
according to the following table:
Forced operation Mode
Cooling
Heating
11.10 On Unit Controls and Indicators
11.10.1 Indoor Unit Controller Controls and Indicators Foe All Models
The following is schematic drawing for the display:
STBY/OPER
Mode/Reset Button
Infra Red Receiver
11-10
Contact = Open
No Limit
No Limit
Pre-set Temperature
20 C
0
28 C
0
Timer
Filter
CONTENTS
Contact = Short
Forced to STBY
Limit NLOAD
SM DELTAZ 1-E.0 GB