koban KCT20 Manual De Instrucciones página 4

Touchscreen Thermostat
Code: 0769020, Reference: KCT20
CAUTION:
1. Turn off all electrical devices (e.g. heater, cooler)
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.
Feature List

o o
Temperature display in F or C

o
Temperature measurable range : 32 - 99 F / 0 - 40

EEPROM stores all settings

Clock in 12hr / 24 hr

6 program time on every day

Energy and UV lamp usage record

Defrost function

Cleaning screen mode

Calendar

Screen lock mode

Temperature calibration
Wiring
NOTE: Power supply of this thermostat is 230Vac.
Terminals Device
L
230Vac Live
N 230Vac Neutral
NC Normally closed output
NO
Normallly open output
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.
Connection with burner, domestic boiler, air-conditioned
system, zone valve with spring return:
Connection to a zone valve:
o
C
Mounting
Open the thermostat at bottom side by a flat screw driver.
1. Base housing
i. Adjust the base on the wall or junction box and
ensure that the base is at surface level and
cover the junction box comfortably.
ii. Pull the cables out through the middle hole of
the base.
iii. If necessary, place 2 pcs of wall anchors in the
wall.
iv. Fasten the base with 2 pcs of long screws.
v. Place the cables at the hole near the terminal
block.
2. Hold the thermostat on the base.
3. Push the thermostat straight onto the base until it
snaps into place.
System Setting
In normal mode, press SYSTEM to enter system mode.
User may set the system used by pressing SYSTEM.
It follows the sequence as below:
HEAT COOL OFF HEAT
Heating appliances will be activated when the
HEAT
room temperature is lower than the setting
MODE
temperature.
Cooling appliances will be activated when the
COOL
room temperature is higher than the setting
MODE
temperature.
OFF Neither heating nor cooling will be activated at
MODE any temperature.
o o
When room temperature is below 0 C / 32 F, temperature
o o
display will keep at 0 C / 32 F.
o o
When room temperature is above 40 C / 99 F,
o o
temperature display will keep at 40 C / 99 F.
When heating/cooling is On,  will be shown on the
screen.
Program Mode
Press PROGRAM/OVERRIDE to select program mode.
PROGRAMOVERRIDE
PERMANENT OVERRIDE PROGRAM...
Setting temperature will
PROGRAM
according to program schedule.
Program schedule is temporarily
disabled. User may adjust the setting
temperature. This setting temperature
OVERRIDE will maintain until the next program time
is met. OVERRIDE mode will resume
to PROGRAM mode automatically at
that time.
Program schedule is disabled.
PERMANENT may adjust the setting temperature.
OVERRIDE This setting temperature will maintain
until user change to PROGRAM mode.
To modify program schedule:
1. Press PROG will show the Program Main screen.
2. Press MON – SUN to select the day to make
program adjustments.
3. Press PROG will enter Program Modification
screen.
4. Select the Program number and adjust the program
time and temperature accordingly.
5. Press Fn in Program Modification screen can disable
the program number displayed, program time and
temperature will become "--:--". (Press Fn again
can enable a disabled program)
6. Press CONFM after all changes are made and
resume to Program Main screen.
7. Press another day to make program change or press
EXIT to quit.
Program Copy function helps user to copy a program to
another day:
1. Press PROG to enter Program Main screen.
2. Press MON – SUN to select the source program.
3. Press Fn will show Copy-to screen. Select the days
to copy from the source program. (Multiple days can
be selected.)
change
4. Press CONFM.
Setup Mode
There are 8 settings in the setup mode:
1. Screen lock selection
User
2. Calendar (when thermostat is offline)
3. 12 / 24 hour selection
o o
4. C / F display selection
5. Span and differential selection
6. Temperature Calibration
7. Short / long delay selection
8. DST (Daylight Saving Time) selection