Michell Instruments XZR250 User manual

1a. Unpack the gas analyser, accessories and documents.
Ensure contents are correct, contact Michell Instruments Ltd. If
anything is missing.
1b. Transfer the device to a clean workbench.
NOTE: Read the User Guide BEFORE proceeding; the Quick
Start Guide (this document) is for reference only.
2. If required, remove the head housing (1) from the probe
body (2):
 Using a 10mm socket (or spanner), loosen clamp (3).
 Carefully withdraw the probe body from the head housing.
3. Measure the distance between the probe installaon site
and the controller, and cut cable to length.
NOTE: Leave enough cable length to ensure the probe can be
removed from its locaon without stretching the cable.
CAUTION: Cable MUST be shielded.
4. Remove the front panel (1) and set to one side:
 Loosen four capve screws (2) and carefully ease the
front panel (1) from the housing.
 Disconnect the ribbon cable from the front panel (1).
XZR250
O2 Combustion Gas Analyzer
QUICK START GUIDE
WARNING: Shock hazard, do NOT apply power!
5a. Prepare your cable; shielding exposed and wire ends
trimmed.
5b. Feed cable through the gland and wire connector.
CAUTION: Make sure the terminals are wired as shown;
failure to connect power correctly could result in irreversible
product damage that is NOT covered by warranty.
Power Supply
PIN 1: 24VDC
PIN 2: 0V
Digital Output
PIN 3: COM1
PIN 4: COM2
Analog Output
PIN 5: Analog GND
PIN 6: Analog Out1
PIN 7: Analog Out2
Relay Output
PIN 8: Relay 1 In
PIN 9: Relay 1 Out
PIN 10: Relay 2 In
PIN 11: Relay 2 Out
NOTE: Any loose wires loose may cause accidental
shorng and damage the product.
5c. Carefully pull cable back through the gland unl the
connector aligns with the board; t connector to the board.
Always handle the interface board using the correct
ESD handling precauons.
CAUTION: Make sure the shielding is intact and correctly
posioned to ensure the device is grounded properly.
5d. Using a 20mm spanner, ghten the cable gland to secure
the cable in place.
NOTE: Be careful not to over-tension the wires or over-
ghten the gland.
6. Fit the front panel and screw covers to the probe:
 Connect the ribbon cable to the front panel.
 Install the front panel (1) to the head housing and
secure in place with the four capve screws (2).
 Fit the screw covers (3).
2
1
2
2
1
3
2
1
3
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Michell Instruments Limited, 48 Lancaster Way Business Park, Ely, Cambridgeshire, CB6 3NW, UK
www.michell.com | e: [email protected] | t: [phone]
97529 Issue 1, April 2017
© 2017 MICHELL INSTRUMENTS LTD.
CAUTION
Do not exceed maximum ratings and ensure sensor(s) are operated in
accordance with their requirements.
Carefully follow all wiring instructions. Incorrect wiring can cause permanent
damage to the device.
Zirconium dioxide sensors are damaged by the presence of silicone. Vapours
(organic silicone compounds) from RTV rubbers and sealants are known to
poison oxygen sensors and MUST be avoided.
Do NOT use chemical cleaning agents.
Failure to comply with these instructions may result in product damage.
INFORMATION
As customer applications are outside of Michell Instruments Ltd’s control,
the information provided is given without legal responsibility. Customers
should test under their own conditions to ensure that the equipment is suitable
for their intended application.
For technical assistance or advice, please contact Michell Instruments.
NOTE: Michell Instruments Ltd reserves the right to make changes to
product specifications without notice or liability.
All information is subject to Michell Instruments own data and considered
accurate at time of going to print.
7. If required, assemble the head housing and probe body:
7a. If required, t sensing module to the head housing;
 Ensure the gasket is in posion in the head housing.
 Gently push sensing module to secure in place.
NOTE: The connector is keyed to aid alignment.
CAUTION: Do NOT force the sensing module otherwise you
may damage the sensor and /or housing connectors.
7b. Ensuring clamp (3) is ed over the head housing shoulder
and with the ow direcon arrow (1) poinng upwards,
carefully slide the probe body into the head housing (cable
gland (2) at the base of the housing should face downwards).
CAUTION: Be careful not to damage the sensing module.
NOTE: Ensure the probe is inserted fully (housing shoulder
aligns with the indicator line on the probe).
7c. Using a 10mm socket (or spanner) ghten clamp (3) to
secure the head housing in posion; torque to 5Nm.
10. Apply 24V DC to the device.
NOTE: Read the User Guide BEFORE proceeding; the Quick
Start Guide (this document) is for reference only.
Further informaon:
Refer to XZR250 97528 Manual for full details of how to install,
congure, calibrate and maintain the device.
Need help? Ask the experts
Tel: [phone]
www.michell.com
8. With a suitable gasket in place, install the probe assembly
into posion and secure using the appropriate ange /
mounng hardware.
NOTE: Ensure gas ow direcon arrow is aligned correctly.
WARNING: Shock hazard, do NOT apply power!
9. Connect power and input/output connecons to the
controller:
CAUTION: Test the power supply to ensure it is
“24VDC ± 10%” before wiring to the probe.
CAUTION: Failure to test the suitability of the power
supply BEFORE rst power ON could cause irreversible
damage that is NOT covered by warranty.
Power Supply Digital Output
PIN 1: 24VDC PIN 3: COM1
PIN 2: 0V PIN 4: COM2
Analog Output Relay Output
PIN 5: Analog GND PIN 8: Relay 1 In
PIN 6: Analog Out1 PIN 9: Relay 1 Out
PIN 7: Analog Out2 PIN 10: Relay 2 In
PIN 11: Relay 2 Out
Gasket
(not supplied)
1
3
2
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