i-therm KTM-443 Digital Preset Timer User Manual
- June 10, 2024
- i-therm
Table of Contents
i-therm KTM-443 Digital Preset Timer User Manual
SPECIFICATIONS
Display : 3 Digit 7 Segment LED (Bright White) Status Indication : Time unit (
Hrs./ Min. /Sec. )
Relay status (RL 1/RL2)
Auto Reset I Hold Time
Time Settings : Through Keyboard
Control Inputs : a] Start Input b] Reset
Reset Time : < 100 Ms
Timing Accuracy : 0.05% Full Scale
Repeat Accuracy : 0.01%
Outputs : 5 Amp @ 230VAC Relay (1 C/O) x 2
12 VDC@30mA for SSR Drive ( by order)
Reset : a] Front switch (Programmable)
b] Remote Reset (via rear terminals)
c] On power interruption (Programmable)
Supply : 90 to 270 VAC
Mounting : Panel
Housing : ABS Plastic
Operating temp. : 0 ~ Sa° C
Humidity : 95% Rh (Non Condensing).
Configurable Parameters
Mode : On delay/Off delay/CY1/CY2/CY3
Range 1 & 2 : 9.99 Sec. to 999 Hrs. ( Programmable)
Count Direction : Up/ Down
Timer Start : Refer Programming
Timer Function : Auto Reset/ Latched output
Front Reset : Enable/ Disable
Gate Input : Enable/ Disable
Memory Backup : Enable/ Disable
Output 2 Function : Refer Programming
OVER ALL DIMENSIONS & PANEL CUT OUT (IN MM)
INSTALLATION GUIDELINES
- Prepare the cut-out with proper dimension as shown in figure.
- Remove clamp from controller
- Push the controller through panel cut-out and secure the controller in its place by tightening the side clamp.
TERMINAL CONNECTIONS
TYPICAL APPLICATION
SAFETY INSTRUCTION
All safety related instruction appearing in this manual must be followed to ensure safety of the operator as well as the unit..
MECHANICAL
❖ Ambient temperature and relative humidity surrounding the Timer must not
exceed the maximum specified limits ..
❖ The Timer in its installed state must be protected against excessive
electrostatic or electromagnetic interferences .
ELECTRICAL
❖ The Timer must be wired as per wiring diagram & it must comply with local
electrical regulation.
❖ The Electrical noise generated by switching inductive loads might create
momentary Fluctuation in display, latch up, data loss or permanent damage to
the instrument. To reduce this use s011bbec circuit across the load
PROGRAMMING
USER LIST : To access the user list press & release SET key once.
(All following selected parameter’s code as shown in shaded will be displayed
for 01 sec. followed by their values/ options)
CONFIGURATION LIST:
- To Enter in this mode press SET key for 6 sec. at Power On. ” ••• ” Message will be displayed for 6 sec. Now unit will allow the user to configure different parameters with options as described below.
- Press “SET” Key to move on to next parameter.
- Press UP or DOWN Key to scroll between parameter options.
- All following parameters as shown in the shaded will be displayed for 1 Sec. followed by its options or values.
Function / Timing Waveforms
ABBREVIATION
EOC : END OF CYCLE
LATCH : LATCHED 0/P MODE
AUTO : AUTO RESET MODE
t : SET TIME
rt : END OF CYCLE TIME
tg : GATE PULSE PERIOD
CY1
t1 : ON TIME
t2 : OFF TIME
CY2
t1 : OFF TIME
t2 : ON TIME
th : HOLD TIME
t1: FORWARD TIME
t2 : REVERSE TIME
Mfgd by: Innovative Instruments & Controls LLP
338, New Sonal Link Service Industrial Premises Co-op Society Ltd,
Building No.2, Link Road, Malad (W), Mumbai – 400064.
Tel: 022-66939916/17/18;
E-mail : [email protected]
Website : www.itherm.co.in
https://www.youtube.com/channel/UCzWGtv0HuHUgZR4KKRyKG1w/videos