Service manual

13-15
CONTROL SYSTEM
SM DLF 1-A.1 GB
13.1.24 Self Test Jumper(J1))
● Jumper for production line only, never install jumper on site!
13.1.25 DIP Switch and Jumper Settings
● CK - Dip switch default setting for each model
12345678
J2 J3 J6 J7 J8 J9 J12 J13
2.5 KW ON OFF OFF OFF OFF OFF ON OFF
3.5 KW ON OFF OFF ON OFF OFF ON OFF
5.0 KW ON ON OFF OFF OFF OFF ON OFF
6.0 KW ON ON OFF ON OFF OFF ON OFF
7.0 KW ON ON OFF OFF ON OFF ON OFF
● DLF - Dip switch default setting for each model
1234567*8**
J2 J3 J5 J7 J8 J9 J10 J12
2.5 KW ON OFF OFF ON OFF OFF ON OFF
3.5 KW ON OFF OFF OFF ON OFF ON OFF
5.0 KW ON OFF OFF ON ON OFF ON OFF
6.0 KW ON ON OFF OFF OFF OFF ON OFF
7.0 KW ON ON OFF ON OFF OFF ON OFF
*Water pump and float switch setting
In case of vertical installation, change dipswitch 7 to OFF position to cancel their operation.
**High external static pressure
There is an option of increasing the airflow if the ESP (external static pressure) is higher than
planned. To increase the speed change dipswitch 8 to ON position.
● Compensation setting (Factory setting)
This setting activates the compensation to the return air temperature in heating mode. For indoor unit
like cassette, the DIP switch J2 should be ON.
Compensation J2
Activated(factory setting) ON
Deactivated OFF
● Unit model setting (Factory setting)
The unit model setting should be in accordance with the unit model on the nameplate. The unit
operating parameters will be improper with wrong settings.
Unit model(Capacity) J3 J6 J7 J8
2.5kW model OFF OFF OFF OFF
3.5kW model OFF OFF ON OFF
5.0kW model ON OFF OFF OFF
6.0kW model ON OFF ON OFF
7.0kW model ON OFF OFF ON
MODEL
DIP
MODEL
DIP
J
J
CONTENT