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Carbon dioxide transmitter CF5 installation manual

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1. 206 1 2 4 rotronic Electrical connections wd The power supply has to be connected to and _L L is considered as system ground If the analogue output is connected to a controller the same ground reference has to be used for the CF5 W unit and for the control system Unless different transformers are used special precautions need to be taken PLEASE NOTE The CF5 W signal and power supply grounds are common PLEASE NOTE The same ground reference has to be used for the CF5 W unit and for the control system If possible keep the sensor powered up after mounting Connect the analogue output before measuring Connection Electrical Data Terminal Power 24 VAC DC 20 a 2W without output load See note 1 Power ground 24 VAC DC Analogue Output 1 0 10 VDC or 0 20 According to positions of mA Out 1 and start point 2 10 VDC or 4 20 jumpers See note 2 mA Analogue Output 2 Same as Output 1 According to positions of Out 2 and start point jumpers See note 2 and a Not marked Signal Ground Connected to via PTC fuse See note 1 Note 1 The ground terminal is used as negative power supply DC input or AC phase ground b half wave rectifier The signal ground M protected by a PTC resistor is the same as power ground permitting a 3 wire configuration A single transformer may be used for the entire system Note 2 CF5 W can deliver a voltage or a curren
2. ro tronic Installation manual CF5 W CF5 W Disp Dismounting of the sensor 1 top part 2 front part 3 wall plate 4 screw 5 label with settings inside the top part Pull the top part upwards Push the front part upwards while Fold the front part forwards and keeping the wall plate steady loose it from the hooks 1 UK Distribution by IMA Ltd Dokument Rev Page Phone 44 0 1943 878877 IMA 206 1 4 Email info ima co uk Web www ima co uk rotronic Mounting of the sensor The wall plate is screwed onto the wall A Put the top tabs of the front part into the top holes of the wall plate B Press the lower edge of the case onto the wall plate to latch If the connection cables are drawn through a conduit the conduit must be sealed Air of different temperature may otherwise disturb the temperature measurements The screw head diameter should be max 7 5 mm The screw head height should be max 2 5 mm go D RXD ere TXD 5 Pos Start point a a pE Out 1 Out 2 The top part is pushed under the Terminals and jumpers on CF5 W locking hooks of the wall plate The darker positions are default settings and is secured with a screw Terminals and jumpers are located under the top part lf for some reason the PCB must be removed it must be handed carefully AN and protected from electrostatic discharge Normally removing the PCB is not required Dokument Rev Page IMA
3. t loop for Out 1 Out 2 To change between voltage and current outout mode the hardware jumpers are used There is one jumper for Out 1 and one for Out 2 so that one output can be a voltage output and the other a current output Both voltage output and current output can have start points 0 0 10 VDC or 0 20mA or 20 2 10 VDC or 4 20mA The same start point is used for both outputs See the function manual Dokument Rev Page IMA 206 1 3 4 rotronic Note 3 Please use voltage outputs for temperature measurements The accuracy of temperature measurements is valid only for units configured in voltage outputs mode Dimensions and holes 83 3 26 31 1 22 120 4 72 Dimensions of sensor in mm and inches 30 1 18 30 1 18 _ N O N A A co wa O 2 Mounting of the sensor onto the wall ar LO Please use screws with screw head diameter less than 7 5 mm 0 295 inches and screw head height less than 2 5 mm 0 1 inches LO N Dimensions of mounting plate in mm and inches Dokument Rev Page IMA 206 1 4 4

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