12-21
CONTROL SYSTEM
SM YBD018 1-A.1 GB
Delta 50
WSA
DNG
KN
NPXD
Reserved
NA
1 0 1 1
NA
1 1 0 1
NA
1 1 1 1
Note: 1. Delta 50 is used for Delta Product. This family occupies family No. 10 on the communication
level.
Model selection Jumper – J7, J8
Model
J8 J7
A
B
C
D
0
0
0
1
1
0
1
1
12.12.1.1
Software Jumpers
For Delta DCI
Property 0
1
EEPROM DATA (J1)
Use ROM*
Use EEPROM
‘Thermostatic Stop- Heat’ (J2)
Deactivated
Activated
‘Heat to STBY’ (J3)
Deactivated
Activated
Enable Test Mode (J4)
Deactivated
Activated*
* Default values (used in the ROM)
Default SW jumpers according to the family (used in the ROM)
Property Delta
22/25/35
‘Thermostatic Stop- Heat’ (J2)
1
‘Heat to STBY’ (J3)
1
J1 – EEPROM/ROM setting
When J1 is 1, IDU will use model/family/general parameters from EEPROM. If EEPROM is invalid,
IDU will ignore J1 and use/copy the ROM pointed by the selected jumpers (will also set an according
fault).
For other DCI
Property 0
1
2
EEPROM DATA (J1)
Use ROM*
Use EEPROM
NA
‘Thermostatic Stop- Heat’ (J2)
Deactivated
Activated
NA
‘Heat to STBY’ (J3)
Deactivated
Activated
NA
Water Level Protection (J4)
1 Level
3 Levels
No Water
Protection-ignore
