HaiLin Controls
Beijing HaiLin Auto Controls Equipment Co., Ltd. Page 1 of 2 Tel: +86 10 8070 2235
Shahe Industrial Zone, Changping District www.hilin.com
HL109 Series Thermostat User Manual
HL109 Series thermostats are available for individual room temperature control in
residential, industrial and business premises. Suitable for 2-pipe or 4-pipe Fan Coil
configuration.
HL109 Series thermostats adopt electronic control technology, and the
operations are easy and convenient. User can turn the temperature adjusting knob to
the desired temperature. User can also choose the COOL or HEAT working mode
through the switch of HEAT–OFF-COOL, and the fan speed (Hi, Med or Low) through
the switch of fan speed HIGH-MED-LOW.
MODEL DENOMINATIONS
SPECIFICATIONS
Sensing element: NTC
Operating Voltage: AC 220V 10%, 50/60Hz
Switching Differential: Approx 1.5
Switch current rating: Resistive: 1 A, Inductive: 0.5 A
Temperature Range: 10
30 adjustable
Housing:
PC
ABS Flame Retardant
Operating Temperature: 0
45
Wiring Diameter: 0.5
2.5 mm
2
Operating Humidity: 5
90%RH
Dimension: 86 × 86 × 24 mm ( W × H × D )
Storage Temperature: 10
60
Hole pitch: 60 mm ( Standard )
OPERATION INSTRUCTION
There are temperatures adjusting knob and graduation mark on the front panel. There are also the switch of fan
speed HIGH-MED-LOW and the switch of HEAT-OFF-COOL on the front panel. The operation steps as follows:
Turn On/Turn Off: Push the switch to HEAT when heating, or push the switch to COOL when cooling. When push
the switch to the position of OFF, the thermostat will be turned off.
Temperature Setting: Turn the temperature adjusting knob to the desired temperature.
Fan Speed Selection: Push the fan speed selecting switch to one of HIGH-MED-LOW.
LED indicates operation state: In RED shows the power is on; In ORANGE shows under heating or cooling.
Control Motorized Valve under 2-pipe configuration (HL109DA/DB/DA2/DB2): If the difference between room
DA/DA2 Control Motorized Valve (DA: Control 2-wire N.C. FCU valve; DA2: Control 3-wire FCU valve)
and 3-speed fan; When the temperature reaches the set-point, it will close the Motorized Valve
with the fan still running.
DB/DB2 Control Motorized Valve (DB: Control 2-wire N.C. FCU valve; DB2: Control 3-wire FCU valve)
and 3-speed fan; When the temperature reaches the set-point, it will close the Motorized Valve
and Fan both.
FCV2:
Control 4 pipe fan coil units, Control two Motorized Valves and 3-speed fan, when the
temperature reaches the set-point, it will close the Motorized Valves with the fan still running.
HL109
