CET ART Manuale utente

Operation Manual

www.critical-environment.com

ARTInfrared Refrigerant Transmitter

Rev. 5 | 2018.03

ART - Operation Manual Rev. 5 | 2018.03

TABLE OF CONTENTS

1 POLICIES..........................................................................................................5

1.1 Important Note................................................................................................5

1.2Warranty Policy................................................................................................6

1.3 Service Policy...................................................................................................6

1.4 Copyrights........................................................................................................7

1.5 Disclaimer........................................................................................................7

1.6 Revisions..........................................................................................................8

2 INTRODUCTION .............................................................................................9

2.1 General Description..........................................................................................9

2.2 Key Features.....................................................................................................9

3 INSTRUMENT SPECIFICATIONS .................................................................10

3.1Technical Specications..................................................................................10

3.2 Enclosure Dimensions ....................................................................................13

4 SENSOR SPECIFICATIONS...........................................................................14

4.1 List of Available Internal Refrigerant Gases....................................................14

4.2 Special Considerations for Infrared Sensors....................................................15

4.3 Changing GasTypes and Accuracy..................................................................16

5 FEATURES......................................................................................................18

5.1 Front Exterior Enclosure .................................................................................18

5.2 Interior System Layout...................................................................................20

5.2.1 Front of the Enclosure ..................................................................................... 20

5.2.2 Back of the Enclosure ......................................................................................21

6 MOUNTING / INSTALLING ..........................................................................22

6.1Warnings and Prerequisites............................................................................22

Rev. 5 | 2018.03 ART - Operation Manual

6.2 Mounting Locations .......................................................................................23

6.2.1 General Placement Guidelines ........................................................................23

6.2.2 Machinery Rooms ...........................................................................................23

6.2.3 Refrigerated Spaces......................................................................................... 24

6.2.4 Chillers............................................................................................................25

6.3 Mounting Procedure ......................................................................................25

7 WIRING AND CONFIGURATION .................................................................28

7.1 Overview........................................................................................................28

7.2Wiring Supply Power (24 VAC or 24 VDC)........................................................29

7.2.1 Maintaining Neutral Polarity........................................................................... 30

7.3Wiring Alarm Output (Analog Signal).............................................................31

7.4Wiring Digital Alarm Output Relay.................................................................32

7.5 Connecting to a Controller..............................................................................33

7.6 Modbus Network Conguration.....................................................................33

7.7 Conclusion .....................................................................................................35

8 OPERATION AND STABILIZATION .............................................................36

8.1 Power Up andWarm-up.................................................................................36

8.2 Stabilization...................................................................................................36

8.3 Perform a Manual Zero...................................................................................36

8.4 Behavior During Alarm Conditions.................................................................37

8.5 Gas Detector Faults ........................................................................................37

8.5.1 Overview.........................................................................................................37

8.5.2 Non-Critical Faults...........................................................................................37

8.5.3 Critical Faults................................................................................................... 38

9 CONFIGURING / SETTING THE PARAMETERS..........................................39

9.1 User Interface Overview.................................................................................39

9.2 Setting Parameters ........................................................................................40

ART - Operation Manual Rev. 5 | 2018.03

9.2.1 Overview.........................................................................................................40

9.2.2 Conguring Parameters ..................................................................................40

9.3 Completing Setup..........................................................................................49

10 FUNCTIONAL TESTS AND GAS ADJUSTMENTS....................................50

10.1Warnings and Cautions ................................................................................50

10.2 BumpTest vs Adjusting Detector Response..................................................51

10.3 BumpTesting...............................................................................................52

10.4 Adjustment Using Calibration Gas................................................................54

11 MODBUS COMMUNICATIONS.................................................................56

11.1 Introduction.................................................................................................56

11.2 Communication Settings..............................................................................56

11.3 Analog Input Registers.................................................................................57

11.4 Analog Output Registers..............................................................................58

11.5 Input Status Flags ........................................................................................59

11.6 Output Status Flags......................................................................................60

12 REPLACEMENT PARTS AND ACCESSORIES ...........................................60

12.1 Calibration Kit..............................................................................................60

12.2 Metal Protective Guard ................................................................................61

12.3 Splash Cover.................................................................................................62

12.3.1 Splash Cover Mounting .................................................................................62

13 TROUBLE SHOOTING ................................................................................64

13.1 Fault Codes...................................................................................................64

13.2 Diagnostic Attributes (P.-18)........................................................................66

13.3 Resetting to DefaultValues..........................................................................68

13.4 Other Symptoms..........................................................................................69

Rev. 5 | 2018.03 ART - Operation Manual

1 POLICIES

1.1 Important Note

Read and understand this manual prior to using this instrument. Carefully read the warranty policy,

service policy, notices, disclaimers and revisions on the following pages.

This product must be installed by a qualied electrician or factory trained technician and according

to instructions indicated in this manual. This instrument should be inspected and calibrated

regularly by a qualied and trained technician. For more information, refer to Section 10 Functional

Tests and Gas Adjustments of this manual.

This instrument has not been designed to be intrinsically safe. For your safety, do not use it in

classied hazardous areas (explosion-rated environments).

INSTRUMENT SERIAL NUMBER:

______________________________________________________

PURCHASE DATE:

______________________________________________________

PURCHASED FROM:

______________________________________________________

ART - Operation Manual Rev. 5 | 2018.03

1.2 Warranty Policy

Critical EnvironmentTechnologies Canada Inc. (CETCI), also referred to as the manufacturer,

warrants this instrument, (excluding sensors, battery packs, batteries, pumps and lters) to be free

from defects in materials and workmanship for a period of two years from the date of purchase

from our facility. The sensors have a warranty period of one year on a pro-rated basis from

the date of purchase from our facility. If the product should become defective within this

warranty period, we will repair or replace it at our discretion.

The warranty status may be aected if the instrument has not been used and maintained per the

instructions in this manual or has been abused, damaged, or modied in any way.This instrument

is only to be used for purposes stated herein.The manufacturer is not liable for auxiliary interfaced

equipment or consequential damage.

Due to ongoing research, development, and product testing, the manufacturer reserves the right to

change specications without notice. The information contained herein is based on data considered

accurate. However, no warranty is expressed or implied regarding the accuracy of this data.

All goods must be shipped to the manufacturer by prepaid freight. All returned goods must be

pre-authorized by obtaining a Returned Merchandise Authorization (RMA) number. Contact the

manufacturer for a number and procedures required for product transport.

1.3 Service Policy

CETCI maintains an instrument service facility at the factory. Some CETCI distributors / agents may

also have repair facilities; however, CETCI assumes no liability for service performed by anyone

other than CETCI personnel.

Repairs are warranted for 90 days after date of shipment (sensors have individual warranties).

Should your instrument require non-warranty repair, you may contact the distributor from whom it

Rev. 5 | 2018.03 ART - Operation Manual

was purchased or you may contact CETCI directly.

Prior to shipping equipment to CETCI, contact our oce for an RMA #. All returned goods must be

accompanied with an RMA number.

If CETCI is to do the repair work, you may send the instrument, prepaid, to:

Attention: Service Department

Critical Environment Technologies Canada Inc.

Unit 145, 7391 Vantage Way

Delta, BC, V4G 1M3

Always include your Returned Merchandise Authorization (RMA) number, address, telephone

number, contact name, shipping / billing information, and a description of the defect as you

perceive it.You will be contacted with a cost estimate for expected repairs, prior to the performance

of any service work.

For liability reasons, CETCI has a policy of performing all needed repairs to restore the instrument to

full operating condition.

Pack the equipment well (in its original packing if possible), as we cannot be held responsible for

any damage incurred during shipping to our facility.

1.4 Copyrights

This manual is subject to copyright protection; all rights are reserved. Under international and

domestic copyright laws, this manual may not be copied or translated, in whole or in part, in any

manner or format, without the written permission of CETCI.

1.5 Disclaimer

Under no circumstances will CETCI be liable for any claims, losses or damages resulting from or

ART - Operation Manual Rev. 5 | 2018.03

arising out of the repair or modication of this equipment by a party other than CETCI service

technicians, or by operation or use of the equipment other than in accordance with the printed

instructions contained within this manual or if the equipment has been improperly maintained or

subjected to neglect or accident. Any of the foregoing will void the warranty.

Under most local electrical codes, low voltage wires cannot be run within the same conduit as line

voltage wires. It is CETCI policy that all wiring of our products meet this requirement.

It is CETCI policy that all wiring be within properly grounded (earth or safety) conduit.

1.6 Revisions

This manual was written and published by CETCI.The manufacturer makes no warranty or

representation, expressed or implied including any warranty of merchantability or tness for

purpose, with respect to this manual.

All information contained in this manual is believed to be true and accurate at the time of printing.

However, as part of its continuing eorts to improve its products and their documentation, the

manufacturer reserves the right to make changes at any time without notice. Revised copies of this

manual can be obtained by contacting CETCI or visiting

www.critical-environment.com.

Should you detect any error or omission in this manual, please contact CETCI at the following

address:

Critical Environment Technologies Canada Inc.

Unit 145, 7391VantageWay, Delta, BC, V4G 1M3, Canada

Toll Free: +1.877.940.8741

Telephone: +1.604.940.8741

Fax: +1.604.940.8745

Rev. 5 | 2018.03 ART - Operation Manual

Email: mark[email protected]

Website: www.critical-environment.com

In no event will CETCI, its ocers or employees be liable for any direct, special, incidental or

consequential damages resulting from any defect in any manual, even if advised of the possibility

of such damages.

2 INTRODUCTION

2.1 General Description

Thank you for purchasing our ART Infrared Refrigerant Transmitter. The ART is a single channel,

non-dispersive infrared, xed gas detector which can detect a wide range of refrigerant gases.

The fast-responding sensor accurately detects refrigerant gas leaks without cross-interference

from combustible or toxic gases. It can be used on a stand-alone basis, connected to a controller or

integrated into a Building Management System (BMS).

If after reading through the manual, you have any questions, please do not hesitate to contact our

service department for technical support.

2.2 Key Features

• Long-life, non-dispersive infrared refrigerant sensor allows for accurate low-level leak

detection with no cross-interference from other non-refrigerant gases

• Detects all refrigerants (CFC, HCFs, HCFC, HFOs) including HF01234YF, HFO1234Ze,

HFO1233ZD, R410a, R22, R32, and more

• Use as a standalone system or integrate into a larger system

• Modbus® RTU interface to connect to a BAS/BMS/DDC

• User selectable, Modbus® or analog output 4-20 mA, 0-5V, 1-5V, 0-10V, 2-10V

ART - Operation Manual Rev. 5 | 2018.03

• On-board alarm relay

• LED real-time display with on-board audible and visual alarms

3 INSTRUMENT SPECIFICATIONS

3.1 Technical Specications

GAS TYPE

Refrigerants

R22, R32, R123, R134a, R404a, R407a, R407c, R407f. R410a, R422a, R422d, R427a, R448a,

R449a, R452a, R507, R513a, R514a, HFO1233ZD, HFO1234YF, HFO1234Ze,

MECHANICAL

Enclosure ABS plastic with a UL ammability rating of 94V-0

Weight 180 g / 0.40 lb / 6.3 oz

Size 4.0”x 5.5”x 1.5” / 102 mm x 140 mm x 37 mm

ELECTRICAL

Power Requirement 24VDC @ 0.5 A min

24VAC, 5 VA min @ 50 - 60 Hz, 2.5W max

Wiring 24VAC or 24VDC two-conductor shielded 14 to 22 AWG stranded

within conduit

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