LG PRCKD21E Installation Manual page 30

AHU SENSOR CONNECTION
30
- Smoke detection sensor (option)
Item
Smoke detection
sensor
Example) Smoke detection sensor connection
405
1. For details of smoke detection sensor installation, work by referring to the enclosed man-
ual when you purchased the smoke detection sensor.
2. All cables shall be finished with flexible pipes.
3. How to release Smoke Removal Error(CH 8) occurrence ① Dip switch No. 23 ON → ②
PCB Reset → ③ Check FND(7 segment) display (Sequentially displayed from NO. 1 ~ 9
→( ) → ④ Dip switch No. 23 OFF → ⑤ PCB Reset→ ⑥ Release completed
Specification
- Power: AC 24 V
- Form: contact point type
Power connection
AC 220-240 V
Terminal
block #2 Detail Ⓕ
406 L2 N2
CONTROL KIT inside
*Option SW101
1. Dip S/W No. 20
- ON: Ventilation fan operation
- OFF: Ventilation fan stop
2. Dip S/W No. 21
- ON: Air supply fan operation
- OFF: Air supply fan stop
3. Dip S/W No. 17~19
- It sets the damper status during
the removal of the smoke
- ON: Full open/OFF: Full close
- No. 17: outside air/
No. 18: exhaust/No. 19:mixed
Remark
Option