Danfoss FMT230D Operating instructions

FMT230D Electronic ush mounted
dial setting room thermostat
with LCD display
User & Installation Instructions
®
Certification Mark

2
Index
Installation Instructions 3-11
User Instructions 12-15
Index
GB

3
Installation Instructions
Features FMT230D
Temperature Range 5 - 30°C
Setting dial and LCD display O
Chrono-proportional or On/Off control O
Heat or cool operation O
Output relay contact rating 10-264 Vac, 50/60 Hz, 3 (1) A
Switching action 1 SPDT Type 1B
Power supply 230 Vac ± 15%, 50/60 Hz
Maximum ambient temp 45°C
Rated Impulse Voltage 2.5kV
Ball Pressure Test 75°C
Dimensions (mm) 85 wide x 85 high x 35 deep
Pollution Situation Degree 2
Installation Instructions
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4
Mounting
The product is designed to mount on to a standard one-gang
flush mounted electrical accessory box having a minimum
depth of 25mm. Fixing screws and screw blanking caps are
provided with the product.
M3.5 screws
Rear View of Thermostat
Terminal Blocks
Blanking Caps
Installer DIL
Switches
Installation Instructions
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5
Fix at a height of 1.5m approx from the floor, away from
draughts or heat sources such as radiators, open fires or direct
sunlight.
Please Note:
This product should only be installed by a qualified electrician or
competent heating installer and should be in accordance with the
current edition of the IEEE wiring regulations.
Installation Instructions
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6
Wiring
Installation Instructions
GB
LN
ELECTRONICS
LN
230 Vac
COM
NO
NC

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DIL switch settings
Slide the DIL switches to the settings required.
ON/OFF - boiler switches ON when below set temperature and
OFF when above.
CHRONO -
energy saving feature which fires the boiler at
regular intervals to maintain a set temperature, achieving a
constant ambient environment for the user.
R use 6 cycles for radiator systems.
R use 3 cycles for underfloor heating.
R use 9 or 12 cycles for warm air central heating or fan coil units.
Installation Instructions
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8
DIL Switch Settings
COOL
ON/OFF
6/12 CYCLES
9/12 CYCLES
HEAT
CHRONO
3/9 CYCLES
3/6 CYCLES
Installation Instructions
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1
2
3
4

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Mounting (continued)
Installation Instructions
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10
Installation Instructions
GB Resetting the unit
When power is first applied,
remove the dial and press the
RESET button for 2 seconds.
RESET
Button