HaiLin Controls HL2023DA User Manual page 3

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
HL2023DA/DAE/DB/DBE
HL2023DA2/DA2E/DB2/DB2E
INSTALLATION
1.Put 3.5mm
screwdriver into the slot.
5. Fix the installation
backboard with
bolts on the wall.
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!
.
AC85～260V 50/60Hz
N L
L
Valve
Val
Low
Med
Fan
Hi
N
AC85～260V 50/60Hz
N L
L
VC
Valve
VO
Low
Med
Fan
Hi
N
width
2.Open the
cover.
6. Connect the cables on
two
the control board
HL2023Y/YE
HL2023FCV2/FCV2E
3.Remove the cables from
face
the control board
7. Firstly hang up the two
hooks with 30
angle
Page 3 of 3
AC85～260V 50/60Hz
L
VC
VO
Damper
N
AC85～260V 50/60Hz
L
Heating
Val2
Val1 Cooling
Low
Med
Fan
Hi
N
4 . As per wiring diagram,
connect it with terminals,
8. Press down the both
down sides to fix the
degree
cover and finish the
installation
N L
N L