Danfoss RESD Series User Manual

RESD Series Electronic Thermostat User Manual
RESD series thermostat adopts a button-hidden fashion appearance design. It
is used to control temperature for light industry, commercial and residential
environments. Models are available for heating, cooling and ventilating control. The
application is for the control of Fan Coil heating/cooling equipment.
RESD series thermostats are microprocessor controlled and have a big LCD
display, which displays the current working state (cooling, heating, ventilating), fan
speed, ambient temperature, setting temperature etc. pushbutton includes turn on/off
( ), mode ( ), clock (
MODEL DENOMINATIONS
RESD -
HC2: Control Motorized Valve and 3-speed fan. When the temperature reaches the set-point, it will close the
Motorized Valve and Fan both.
HC4: 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 Valve and Fan both.
BASIC FEATURES
Room temperature setting
Manual or Auto 3-speed changeover
Defrost (low temperature protection)
Clock, Timer , 7 days programmable (-T74)
Blue backlight
Auto Restart ( Option )
Keypad Lock ( Option )
SPECIFICATIONS
Sensing element:
Accuracy: Temperature ± 1° C Time ± 1 min/month
Set-point range:
Display range:
Operation environment: T min 0° C T max 45° C)
Power supply:
Switch current rating: Resistive: 2 A, Inductive: 1 A
Switching action
Control pollution
Rated impulse V
Ball Hardness
Power reserve
Setting accuracy
), fan speed ( ) and temperature adjustment (
NTC
5 to 35° C
0 to 55° C
85 to 260V~, 50/60Hz
Type 1B
degree 2
2.5kV
75° C
24 hrs minimum
±0.5° C ±1 minute
STATUS DISPLAY
Working Status: Cool
Fan Speeds: Low
Room temperature display
Temperature setting display
FCU valve
Clock week display
Rated Power: < 1 W
Wirings: Screw-in terminals, each terminal capable of
accepting 2 × 1.5 mm
Housing: PC + ABS Flame Retardant
Dimensions: 86 × 86 × 13 mm ( W × H × D )
Hole pitch: 60 mm ( Standard )
Protection Class: IP30
Display: LCD
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).
, Heat , Ventilation
, Medium , High
2
or 1 x 2.5 mm
and Auto
2
wires