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WARRANTY 

 

__________________  ______________________ 

            

production date

 

                     

warranty card number

 

 

Product: 

Two-period multifunctional timer 

Model: 

CT03  

 

Output K1: 

EMR - 5A/250VAC 

open collector NPN - 40mA/40V 

 

for external SSR - 50mA/12(24)V 

Output K2: 

EMR - 5A/250VAC 

open collector NPN - 40mA/40V 

 

for external SSR - 50mA/12(24)V 

Power supply voltage:

 

230 VAC 

110 VAC 

90…250 VAC/DC   

 

 

9…12 VAC 

12…24 VAC/DC 

. . . . . . . . . . . . . . . . . . . . .  

Serial No . . . . . . . . . . . . . . . . . . . . 

Quality Control Passed:. . . . . . . . . . . . . . . . . . . .  

 

(signature, stamp) 

SPECIFICATIONS 

Digital display 

3-digit LED, 9mm 

LEDs 

2 LEDs for relay control 

Accuracy 

±

 0.02% from span

 

Operating temperature / humidity 

0

÷

50

°

C / 0

÷

85% RH 

Storage temperature / humidity 

-10

÷

70

°

C / 0

÷

95% RH 

Protection: front / terminals 

IP54 / IP20 

Consumption 

Max. 2 VA 

Warranty: 

Comeco warrants this product to be free from defects in materials and workmanship for one year. If your Comeco unit is 

found to be defective within that time, we will promptly repair or replace it. This warranty does not cover accidental damage, wear or 
tear, or consequential or incidental loss. This warranty does not cover any defects caused by wrong transportation, storage, 
installation, or operating (see specifications).

 

Technical support: 

In the unlikely event that you encounter a problem with your Comeco unit, please call your local dealer or 

contact directly our support team at [email protected].

 

. . . . . . . . . . . . . . . .  

Retailer: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

(date) 

 

Buyer: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

 
 
 

 
 
 
 
QD-8.2.4-WC

, version 03-03

 

 

 
 
 
 
 
 
 

Comeco Ltd., p.o.box 378, 4000 Plovdiv, tel: ++359(0)32-621770, 274749, 634089, fax: 622719  

e-mail: [email protected], WWW.COMECOGROUP.COM 

 

 

MULTIFUNCTIONAL TWO-PERIOD TIMER 

 

CT 03 

 

OPERATION MANUAL 

 

 

CT03

 

is a low-cost microprocessor-based device for time sequence control with a 48x48mm 

DIN sized front panel. There are two adjustable time periods forming a time cycle and four 
different timing modes. Period duration is adjustable via push-wheel switch on the front 
panel. The timer has two contact inputs for external start and HOLD and two output relays for 
timing control of processes by switching on and off electrical actuators. The relay action as 
well as the start/restart mode can be programmed with a set of parameters. 
CT03 is equipped with a three-digit display, indicating the current time, the parameters, or the 
operating mode. All modes of operation and parameters are user-programmable through the 
front panel keyboard. The extended features of CT03 simplify programming and timing 
process monitoring and make it a convenient solution of a wide range of problems.

 

 
 

Please read this Operation Manual before mounting and operating! 

  

 

v4-11.03

 

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