Instruction/ maintenance manual of the product KT250 Elro
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MANUAL BA TTERY EX CLUSIVE 2 X AA A ALKALINE INDOOR MO- TU-WE- TH-FR 4 SETTINGS SA TURDAY 2 SETTINGS SUNDA Y 2 SETTINGS GUARANTEE 2 YEAR 5° 35° MAXIMUM MINIMUM MANUAL OVERIDE 250 VOL T 5(3) AMP ON-OFF SWITCH 22 °C .
-1- -2- T ABLE OF CONTENT 1 INTRODUCTION………………………..………… 2 2 INST ALL A TION……………………………………. 4 3 SETTING CLOCK …………………………………. 11 4 SETTING PROGRAM…………………………….
-3- -4- 1.3 Features Several useful functions and operating modes have been incorporated to adapt a variety of customer needs. - LCD shows the “NEED TO KNOW” information only , which is more easy .
-5- -6- 2 INST ALL A TION This thermostat has been designed for simple and quick installation requiring only a few tools. C AUTION: 1. The appliance can only be mounted on dry indoor places. 2. A suitable fuse with rating not exceeding 5A, should be in the power line.
-7- -8- 2.3 Wire Labeling 1. Disconnect and identify each wire. 2. T ape the wires to the wall to keep them from slipping through the hole in the wall. If the hole in the wall is larger than necessary , fill it in order to prevent hot or cold air to penetrate the thermostat.
-9- -10- 2.6 Connecting the Wires 1. Connect the system wires to the terminals according to the wiring diagram shown in the section 2.7 “WIRING DIAGRAM”. 2.7 Wiring Diagram The T103 thermostat can be used with single stage heating system. Inside the thermostat, three terminals which label COM, NC and NO would be found.
-11- -12- 2.9 T emperature Span Span is the temperature difference between the turn ON and OFF temperature. The factory pre-set span is 1°C. For example, control temperature setting is 20.0°C. The heater will be operated when the room temperature drops to 19.
-13- -14- 4 SETTING PROGRAM 4.1 Pre-recorded P rograms Program Day of W eek Time T emp for Heat Control 1 W eekday 6:00 20°C 2 (Mon - Fri) 8:30 14°C 3 16:00 20°C 4 22:00 14°C 5 Saturday 7:00 20°C 6 23:00 14°C 7 Sunday 7:30 20°C 8 22:00 14°C 1.
-16- -15- 6. P ress D button will turn on or off the program. F or example, you want to turn off program 2, press P button to select program 2. Then press D button.
-17- -18- 5 MANUAL OVERRIDE At the normal operation mode, the current temperature setting could be overridden until the next program comes. 1. Push / button to view the overriding temperature which is set last time. 2. Hold / button about 3 seconds and the temperature indicator will flash one time.
-19- -20- 6 HEA TER OPERA TION 6.1 Heater On Operation The heater will be turned on by setting programs or manual override. If the heater is turned on by setting programs, the Program Number , and the Heater On Icon will be displayed as shown. If the heater is turned on by manual override, only the Heater On Icon will be displayed as shown.
GB -21- GB -22- 8.2 Electrical Characteristics P ower Source: AA A 1.5V Alkaline battery x 2 (not included) Switching Relay: Resistive load: 5 A a t 2 5 0 V A C Inductive load: 3 A a t 2 5 0 V A C Clock Accuracy: ±60 seconds/month T emperature Measurement: 0 - 40°C T emperature Accuracy: ±1.
An important point after buying a device Elro KT250 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Elro KT250 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Elro KT250 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Elro KT250 you will learn all the available features of the product, as well as information on its operation. The information that you get Elro KT250 will certainly help you make a decision on the purchase.
If you already are a holder of Elro KT250, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Elro KT250.
However, one of the most important roles played by the user manual is to help in solving problems with Elro KT250. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Elro KT250 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
