HaiLin Controls
Beijing HaiLin Auto Controls Equipment Co., Ltd. Page 3 of 3 Tel: +86 10 52816666
International Information Industry Basement, HuilongguanNorth, Changping District, Beijing www.hailin.com
Alarm
"
Once the sensor fails, the thermostat will close the fan and valve, displaying “E1” or “E2”.
E1
：
Sensor in short circuit alarm
E2
：
Sensor in open circuit alarm
。
It is displaying “HI” when the temperature is higher than 55 , displaying “LO” when the temperature is lower
℃
than 0 .
℃
WIRING DIAGRAMS
INSTALLATION
Note: Be sure to connect all the wires as per the wiring diagrams and keep it away from water,
mud and other material so as to prevent the unit being spoiled!
VC
VO
HL2023Y/YE
N
L
Damper
AC85
～
260V 50/60Hz
N L
Med
Low
HL2023DA/DAE/DB/DBE
L
N
Val
Fan
Valve
AC85
～
260V 50/60Hz
N L
Hi
Low
HL2023DA2/DA2E/DB2/DB2E
L
N
VO
Med
Fan
Valve
VC
AC85
～
260V 50/60Hz
N L
Hi
Val2
Low
HL2023FCV2/FCV2E
L
Cooling
N
Med
Fan
Val1
Heating
AC85
～
260V 50/60Hz
N L
Hi
3
.Remove the cables from
the control board
4 .
As per wiring diagram,
connect it with terminals,
1.Put 3.5mm width
screwdriver into the slot.
2.Open the face
cover.
8. Press down the both
down sides to fix the
cover and finish the
installation
7. Firstly hang up the two
hooks with 30 degree
angle
6. Connect the cables on
the control board
5. Fix the installation
backboard with two
bolts on the wall.
