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Related Manuals for Qel QIRF-II
Summary of Contents for Qel QIRF-II
- Page 1 QIRF-II REFRIGERANT GAS TRANSMITTER/SENSOR INSTALLATION OPERATION AND MAINTENANCE MANUAL QUATROSENSE ENVIRONMENTAL LTD. 5935 OTTAWA STREET, PO BOX 749 RICHMOND, ONTARIO CANADA K0A PHONE: (613) 838-4005 FAX: (613) 838-4018 Web: www.QELsafety.com Email: QEL@QELsafety.com...
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Page 2: Table Of Contents
3.6.12 Menu “12_SITE SERVICE” ....................24 3.6.13 Menu “13_FACTROY SETTING” ..................24 MODBUS PROTOCOL SUPPORTED BY QIRF-II ..............24 BACNET MS/TP PROTOCOL SUPPORTED BY QIRF-II ............25 MAINTENANCE ..........................26 TROUBLESHOOTING ........................27 QIRF-II Operation Manual Apr. 04, 2024 85050-401-000 Rev A... -
Page 3: Read Before Operating
However, our QIRF-II smart sensor modules do it better, faster, and more precisely. The QIRF-II smart sensors are entirely electronic with no moving parts, and are built around our unique QT Gas Sample Cell with constant temperature control integrated with IR Source and IR Detector together. -
Page 4: Key Features
3 Relay Status LED, TX Status LED and RX Status LED CSA/UL approval (pending) 1.3 Applications The QIRF-II is designed to monitor for the loss of refrigerant gas in a variety of applications: Mechanical equipment rooms Propellant filling operations ... -
Page 5: Specifications
24VAC nominal, range 15 to 24VAC 50/60HZ Note: QIRF-II has full-wave rectifier and half-wave rectifier circuit on board for flexibility. You will damage devices if you mix half wave and full wave rectifiers on the same AC source. Use extreme caution when sharing a common AC source. -
Page 6: Environmental Conditions
QIRF-II Operation and Maintenance Manual Accuracy: +/- 3% of reading Repeatability: +/- 1% of full scale Sampling: Diffusion or Pump-through Display: 2 x 8-character display c/w backlight 5 Status LEDs Panel Indicators: RS-485 port TX/RX Status LED for Sensor Network ... -
Page 7: Installation
QIRF-II Operation and Maintenance Manual 2. Installation 2.1 Sensor Location Several factors should be considered when selecting locations to install sensors. The following general suggestions should be considered to assure the detection of the target gas. Select the most suitable location for each sensor. -
Page 8: Gas Sampling
In Diffusion version QIRF-II, the gas sampling system is composed of a diffusion type gas sample chamber and two vent holes on the enclosure bottom. The gas flows in through the two vent plugs on the bottom of the QIRF-II enclosure and flows out through the top vent. See above picture. -
Page 9: Mounting And System Wiring
QIRF-II Operation and Maintenance Manual 2.4 Mounting and System Wiring NOTE: The Diffusion version QIRF-II should be mounted 1 foot (30cm) from the floor. 2.4.1 Terminals Note on Terminal Block: Remove the terminal block from the pin headers before wiring the terminal blocks. Torquing the terminal screws while attached to the pin header can damage the contact and can also cause loose connections. -
Page 10: Wire And Cable
QIRF-II Operation and Maintenance Manual 18-30VDC 1.0A DC Total max. Note: No external over-current protection is required. Over-current protection is provided by means of fuses F1 and F2. 2.4.3 Wire and Cable The terminal blocks TB5 to TB8 accepts 12 AWG to 24 AWG wire, Use 16 AWG or 18 AWG wire for Power Supply in long wiring runs, which can be up to 1km (1,000 meters) long. -
Page 11: Relays Output
Longer runs may require the terminating resistors. But adding terminator dramatically increases power consumption. Factory default setting is disabled terminator. The QIRF-II smart sensor supplies this resistor on the display board, and it is chosen using a jumper at J4. J4 1-2: Terminator Disabled / OFF (default) ... -
Page 12: 4-20Ma Analog Output
QIRF-II can provide one channel 4-20 milliamp analog outputs. The maximum output impedance is 600 ohms. Test point SIG+ and SIG- are used to measure the current online when the QIRF-II is working in the field. The analog output may be defined in complex ways allowing assignment of different values to both 4 milliamps and 20 milliamps. -
Page 13: Function And Configuration
Span Calibration Mode: QIRF-II is performing Span Calibration. 3.2 System Initialization When the QIRF-II smart sensor is turned on, it initializes hardware and software. As the transmitter is warming up, the optical block is heated to a constant temperature, the LCD will display the transmitter is in warming-up procedure. -
Page 14: Status Led
3.4 Status LED RS485-TX/RX: When the QIRF-II is connected to a Controller System through RS-485, the traffic of the communication can be monitored visually through the two RS-485 indicators. One is RX LED, which indicates the data stream received in the Controller. -
Page 15: Main Menu Tree
QIRF-II Operation and Maintenance Manual 3.6 Main Menu Tree The main menu is password protected. Once the password is accepted, you are allowed into the main menu tree. Factory default password is 4321. Note: While in the Menu Tree, all normal monitoring operations stop. The alarm status does not change. -
Page 16: Menu "1_System Setting
4-20mA calibrations. Password: Default password is 4321. Address: QIRF-II RS-485 address: 0 to 255. Default address is 3. Note: In Modbus protocol, the address 0 is for broadcast. Baud rate: Define baud rate for RS-485 communication with QEL controller protocol, Modbus protocol and BACnet MS/TP protocol. - Page 17 BACnet MS/TP When it’s set to Modbus, the parity bit can be defined as EVEN, ODD and No Parity. When the QIRF-II is connected to Q-Controller, M-Controller or Q4- Controller, the protocol should be set to “OptoMux”. Gas Type: Default Gas Type is R134a.
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Page 18: Menu "2_Zeroing Calibration
All units are factory calibrated. The QIRF-II uses full scale as its CAL GAS concentration: Basically, QIRF-II full scale for all Refrigerant gases is 1000ppm except for R123, which is 100ppm. The QIRF-II smart sensor is calibrated using a two-point calibration process. First, use a “Zero Gas”, then use a “CAL Gas”... - Page 19 QIRF-II Operation and Maintenance Manual This screen is displaying the current reading and asking if you want to perform Zeroing Calibration. 3. Waiting for about 3 minutes or till the reading is stable. 4. Press Key [Enter] to perform Zeroing Calibration.
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Page 20: Menu "3_Span Calibration
QIRF-II Operation and Maintenance Manual 3.6.3 Menu “3_Span Calibration” Note: If you don’t have target CAL Gas in the field, you can always change the gas type back to R134a in the Menu “System Setting”, and calibrate the unit with 1000ppm R134a, after the Span Calibration, then change the gas type back to the target gas. -
Page 21: Menu "4_Output Testing
QIRF-II Operation and Maintenance Manual 3.6.4 Menu “4_Output Testing” During system installation and testing, it may be necessary to force relays and buzzers on and off. The Relay Testing feature allows the user to force the actuation of each relay. This function forces an Actuate vs. -
Page 22: Menu "6_Alarm Setup
QIRF-II Operation and Maintenance Manual 3.6.6 Menu “6_ALARM SETUP” The QIRF-II supports alarm 1 to alarm 8. Alarm is a programmable condition that can receive a selectable input and trigger relays and buzzers. Disabled or Each alarm may be individually set to be enabled or disabled. If the alarm is disabled, the alarm will not be used to calculate or trigger anything. -
Page 23: Menu "7_Relay Style
QIRF-II Operation and Maintenance Manual 3.6.7 Menu “7_RELAY STYLE” Enabled: Each relay may be individually set to be enabled or disabled. If it’s disabled, the relay will always de-actuate no matter what the current gas concentration. Default is Enabled. Normally Each relay may be individually set to be normally energized or normally de-energized. -
Page 24: Menu "8_Buzzer Style
The QIRF-II will compare the concentration at 4mA and the concentration at 20mA. You may assign a larger concentration for 4mA than for 20 mA; the QIRF-II will still stretch a straight line signal between the two points and then convert the selected gas reading to analog output. -
Page 25: Menu "11_Simu Disabled
Factory service staff access only. The customer has no need to operate it. 3.6.13 Menu “13_FACTROY SETTING” Factory service staff access only. The customer has no need to operate it. 4. MODBUS Protocol Supported By QIRF-II For Modbus protocol, please contact QEL. QIRF-II Operation Manual Apr. -
Page 26: Bacnet Ms/Tp Protocol Supported By Qirf-Ii
QIRF-II Operation and Maintenance Manual 5. BACnet MS/TP Protocol Supported By QIRF-II When the protocol is set to “BACnet” in Menu “System Setting”, QIRF-II supports either BACnet mater (BACnet M) or BACnet slave (BACnet S), and their default settings will be set to: ... -
Page 27: Maintenance
QIRF-II Operation and Maintenance Manual 6. Maintenance DVM Connection for 4-20mA measurement Interrupt the 4-20mA signal going from the QIRF-II to the controller (causing a fault): o Switch the DVM to measure DC current, on the main board plug the negative probe into GND and plug the positive probe into SIG -. -
Page 28: Troubleshooting
QIRF-II Operation and Maintenance Manual 7. Troubleshooting This troubleshooting guide is intended as an aid in identifying the cause of unexpected behavior and determining whether the behavior is due to normal operation or an internal or external problem. SYMPTOMS PROBABLE CAUSE SUGGESTED SOLUTION ... - Page 29 This warranty is in lieu of all other warranties, expressed or implied, and no representative or person is authorized to represent or assume for QEL any liability in connection with the sales of our products other than that set forth herein.
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