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Summary of Contents for Sitron CF22
- Page 1 USER’S GUIDE INSTALLATION, OPERATION, MAINTENANCE INSTRUCTIONS THERMAL DISPERSION FLOW SWITCH & FLOW MONITOR CF22 - FLOW SWITCH / LEVEL SWITCH CF520 - FLOW SWITCH MONITOR www.sitron.com...
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Page 2: Table Of Contents
Wiring Diagram ........5 CF22 Relay Status Guide ......7 Electrical Connections. -
Page 3: Introduction
Introduction The CF22 Flow Switch models are designed to detect the flow of liquids and gases (air) in pipes or ducts. It utilizes Thermal Dispersion flow detection technology, which makes it very efficient for low or high flow detection. The CF22 can also be used for liquid level detection with the sensitivity adjustment of the potentiometer. -
Page 4: Models & Dimensions
Models and Dimensions Aluminum-G1 Aluminum-G2 Aluminum-GX Nylon-N1 127mm 130mm 89mm 89mm Extended Necks for Higher Temperatures MT - Temperature up to 120ºC Insertion Length Hex. 1 5/8" NPT/ BSP Process Connections ANSI 150# Threaded Connections Tri-Clamp Connection Flange Connections ANSI 300# ½”... -
Page 5: Identification Tag
RANGE Define Output set point Supply Supply 5A 250Vac connections SPDT relay Housing rotation to better positioning CF22 www. sitron.co Connection: Supply: 100~240Vac / 125Vcc Output: SPDT (5A/250Vac) Lenght: L- 120m Parts: 316SS House: Aluminum 1/2" NPT Sn°: xxxxxxx Identification Tag... - Page 6 CF22 AC / DC Before connecting the flow switch, check the identification label that contains information on supply voltage and contact capacity, etc. Allow only authorized persons to make the proper connections as well as to avoid accidents. A suitable (stabilized) power supply will favor the life of the switch.
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Page 7: Electrical Connections
Electrical Connections CF22 - G2 and GX Housings Before powering the switch, check the voltage, power supply, contact capacity, etc. Allow only authorized persons to make proper connections as well as to a void a ccidents. A suitable (stabilized) power supply will improve the the lifespan of the switch. - Page 8 CF520 N1 / G1 Before powering the unit, check the voltage, power supply, contact capacity, etc. Allow only authorized persons to make proper connections as well as to a void a ccidents. A suitable (stabilized) power supply will improve the the lifespan of the switch. We recommend using shielded cables to eliminate interference from other instruments o r machines in the field.
- Page 9 Relay Status Guide SPDT Application Set Point LED Status Condition Status Normal GREEN Alarm SPDT Application Set Point LED Status Condition Status GREEN Normal Alarm...
- Page 10 CF12 Calibration To Start: 1 - Remove the enclosure lid (Note: the screws are self-retaining N1 Housing) 2 - Start the power supply and wait 5 minutes until the CF is active and has reached a stable point within the medium.
- Page 11 When accessing the electronic module, be careful not to touch the energized parts of the supply and output. If necessary use an insulated screwdriver to access the Range Trimpot and SET button. Detection Adjustment for CF22 1 - Open the cover 2 - Energize and wait 2 minutes for the fl...
- Page 12 CF520 Calibration Considerations: When accessing the electronic module, be careful not to touch the energized parts of the supply and output. If necessary use an insulated screwdriver to access the Range Trimpot and SET button. Flow rate (4mA) CF520 Flow Monitor Remove the cover.
- Page 13 Set-Point Relay Defining the relay output status: The LED that keeps blinking defines the output state. Use the «Range» trimpot to position the flashing LED at the desired point. Example: LED flashing. Bargraph Switch status Relay Status ..+/- 12 sec....
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Page 14: Pre-Installation Checks
Pre-Installation Checks Fig. 1 1) Its recommended that the flow switch is installed with a distance of ½ a meter of the pipe bent where the flow enters and 5x times the diameter of the pipe where the flow exits, enabling it to have an accurate reading 1/2m 5xØ... -
Page 15: Installation
Installation The CF may be installed in a pipe using a “T”connection (see Fig.1) or inserted directly into the pipe (see Fig. 2). The user might need to adapt the installation so that it conforms to the following Fig. 1 recommendations: The CF is not affected by its fixed position so it may be installed at any angle around the pipe. -
Page 16: Handling
Do not turn or handle by the housing (Fig. 2). A Use the correct tool during installation (Fig. 3) The CF22 should not be dropped or suffer any impact or fall that could damage the electronics or the thermal tip of the probe (Fig. -
Page 17: Technical Specifications
Technical Specifications CF520 Flow for liquids and gas level for liquids only Application Operating Voltage 24Vdc (+/- 10%) +/- 100mA Current Consumption Output Relay(SPDT) 5A - 250Vac Set Point Range Liquid: 3 cm/s to 3 m/s - Gas: 5 cm/s to 5 m/s Accuracy +/- 10% Repeatability... - Page 18 Technical Specifications CF22 Application Flow for liquids and gas level for liquids only Operating Voltage 24Vdc or 100-240Vac (50/60hz) & 125Vdc +/- 100mA Current Consumption Relay(SPDT) 5A - 250Vac (1 SPDT G1) Output (2 SPDT - G2) aluminum enclosure Liquid: 3 cm/s to 3 m/s - Gas: 5 cm/s to 5 m/s...
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Page 19: Order Code
ELECTRICAL CONNECTION CABLE GLAND W/ 1/2" NPT CABLE GLAND W/ 1/2" NPT w/ 2m of Cable 2X 3/4" NPT (Female) Conduit M12 Connector (NO or NC) only CF22 M20 Metal cable gland 1/2" BSP Conduit (N1,G1) OPTIONS Medium Temp - 50mm... - Page 20 (insertion length) LED doesn’t change color Verify the calibration Flow switch Radio frequency Use armored cable turns on or interference and shielded housing off suddenly Relay remains Sensor is potentialy Contact Sitron or your closed defective local representative for further instruction...
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Page 21: Terms & Conditions
In this case, Sitron reserves the right to adjust the pricing and or delivery of the order, which will be agreed to by both parties before further work is performed on the order. - Page 22 Sitron's field technicians or Sitron's authorized Sales Representatives, in order to be covered by Sitron's warranty. Sitron shall be under no liability in respect to any defect from fair wear and tear, willful damage, negligence, abnormal working conditions, failure to follow Sitron's instructions (whether written or verbal), misuse, modification or alteration or attempted repair of the Goods without Sitron's approval.
- Page 23 Sitron Brasil R. Baronesa de Itu, 83 São Paulo - SP - CEP: 01231-001 Tel.: 11 3825-2111 vendas@sitron.com sitron.com Sitron USA 1800 Prime Place, Hauppauge, NY 11788 Tel.: 516-935-8001 info@sitron.com sitron.com 09_2023_rev1...
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