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KCT21-W (0769024)
Wi-Fi Thermostat
CAUTION:
1. Turn off all electrical devices (e.g. heater) that
are connected to the unit before installation
and maintenance.
2. The installer must be a trained service
personnel
3. Disconnect
the
power
supply
before
maintenance.
4. It must be mounted on a dry clean indoor
place.
5. Do not expose this unit to moisture.
6. Do not expose this unit to dipping or
splashing.
Introduction
KCT21-W is a controller that controls heater/cooler
on or off to maintain floor temperature at a desired
level. When Heat mode is used, Internal sensor,
Floor sensor and combined sensor can be
selected for different application.
When Cool mode is selected, only internal sensor is
used.
Feature List
➢
Voltage supply: 230Vac
➢
Temperature display in
o
C or
o
F
➢
Temperature measurable range : 0 – 50 C
➢
Selection of Heat/Cool
➢
Adaptive control
➢
7days/5+1+1days,1day program, no program.
➢
EEPROM stores all settings
➢
Adjustable control span
➢
Short cycle protection for compressor
Wiring
Terminals
Device
L
230Vac Live
N
2 30Vac Neutral
LO
Heater / Cooler
T1
Floor Sensor 1
T2
Floor Sensor 2
Pull all cables back into the wall beforehand to avoid
trapping of wires. Do not use any metal conduits or
cables provided with metal sheaths.
Recommend adding fuse or protective device in the
live circuit.
Mounting
1. Place relay unit inside the wall-box, with the back
of relay unit facing outwards.
2. Install metal bracket
3. Connect front unit to relay unit by cables attached.
4. Snap front on metal bracket, using the top edge as
pivot.
5. Finally, secure controller by screw
Dimensions (mm)
Front unit
Relay unit
LCD and Icons
Item
Meaning
1
Time
2
Room Temperature
3
Current Set Point
4
Temperature Unit
5
Current Program
6
Heat / Cool Mode
7
Output is ON (when appear)
8
Wi-Fi (appears when connected to internet)
9
Mode Key: Press-n-hold to access the
internal settings
10
Clock Key: Short-Press to set clock.
Press-n-Hold to Program the Schedule
11
On/Off Key: Turn On / Off the thermostat
12
Up/Down key: Adjust Set point or Value of
setting
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