Model 9017 Z/Y-Purge Interface: User`s Manual
Contents
1. ITEM LOCATION DIAGRAM DRAWING SUBJECT TO CHANGE WITHOUT NOTICE We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com PO18 SHEET 1 OF 1 OUTSIDE ENCLOSURE INSIDE ENCLOSURE Check Valve O 5PSI 3 4NPT M390 000094 NOTES CHECK VALVE 0 5 PSI THE CHECK VALVE WILL OPEN IF THE INTERNAL PRESSURE IS GREATER THAN 0 5 PSI THIS WILL PREVENT OVER PRESSURIZATION OF THE ENCLOSURE Q BREATHER Coupling 3 4NPT THE BREATHER ALLOWS AIR TO EXHAUST FROM THE ENCLOSURE BUT DOES NOT ALLOW PER EAM ee SPARKS TO EXIT THE ENCLOSURE REMOVE THE ELBOW WHEN MOUNTING TO THE BOTTOM Seal Nut 3 4NPT M390 000015 Elbow 3 4NPT Breather 3 4NPT M390 000058 M375 000010 OPTION 917 0 5 PSI OVER PRESSURE EXHAUST DIMENSIONS ARE IN INCHES 9017 Z PURGE OVER THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC Daisy Data Inc PRESSURE EXHAUST THE_USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY 2850 Lewisberry Road York Haven PA 17370 DRAWNG NUMBER SUBJECT ro CHANGE wimioUT NOTICE ITEM LOCATION DIAGRAM DRAWING P019 We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 Visit Us At www daisydata com SHEET 1 OF 1 Atmosphere Sense 1 8 Blue Hose PIA ORAS MI IE a2. 100 PSI Fittings and tubing for purge air or inert gas supply 0 25 NPT Male to connect to the inlet of the purge system Local air pressure shutoff valve Procedure 1 2 Mount the enclosure in the location in which it will be installed This must be near the source of air or inert gas to be used for the purge system Install the pressure regulator water oil separator or filter shutoff valve pressure relief valve and pressure gauge in the purge air or inert gas line see drawing P015 Bleed the purge air or inert gas line to insure that dirt moisture and other contaminants are cleared from the line prior to connecting the line to the unit Connect the line to the inlet of the regulator on the Purge Unit Apply air or inert gas to the enclosure The enclosure may swell slightly as the internal pressure increases This is normal and is not a cause for concern DAISY enclosures are designed to release excess pressure DO NOT ATTEMPT TO OPEN THE ENCLOSURE WHILE IT IS PRESSURIZED October 2015 8 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 5 Start Up Operation 5 1 Division 1 Z Y Purge Start Up Operation 1 2 T When the air signal and power connections are complete replace and close all access doors and covers Turn the Control valve to PURGE Look at the Flow Meter on the front panel to verify that the flow rate is 150 SCFH If not readjust the Purge Regulator to set the flow
3. Check your air supply line for blockages and kinks Contamination in the air supply Ensure that the purge gas supply is clean dry and free of oil a water oil separator should be installed near the connection to the purge control Restrictions in the purge line from the purge control into the enclosure Ensure that the purge line from the purge control into the enclosure is not kinked has no internal obstructions and is unrestricted at its open end at least 0 5 from any object in the path of the air flow During operation control valve set to Operate the internal pressure does not reach will not maintain 1 of water column The enclosure is not sealed and is leaking Ensure that all access doors are closed and latched Ensure that all access panels are closed and sealed Make sure no unsealed holes or openings are present in the enclosure Insufficient air flow Adjust the regulator on the purge control to increase the air flow Pack Seals are not poured Pack Seals must be poured in conduits entering the enclosure to prevent air from escaping via the conduit entry Ensure that this has been done Exhaust control valve setting incorrect Adjust the purge control exhaust valve for a higher internal pressure It may take several minutes for adjustments to this setting to take effect During operation control valve set to Operate the internal pressure does not reach wil
4. IS PROHIBITED EXCEPT AS AUTHORIZED BY 2850 Lewisberry Road York Haven PA 17370 DRAWING NUMBER SUBJECT TO CHANGE WITHOUT NOTICE MECHANICAL ASSEMBLY DRAWING M017 We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com SHEET 1 OF 1 CUSTOMER SUPPLIED AIR INPUT LINE 2 Z PURGE ASSEMBLY FRONT PANEL AIR INPUT 1 4 HOSE REGULATOR 20PSI FLOW METER BALL VALVE 20 200 SCFH 1 4 HOSE 1 4 HOSE 3 8 TUBE 1 4 NPTF 1 4 NPT 1 4 NPT 1 8 NPT CONNECTION CONNECTION CONNECTION CONNECTION AIR INPUT TO ENCLOSURE INTERNAL PRESSURE SPARK PART OF EXHAUST METER O 15 INWC ARRESTER ASEMBLY ZPA SWITCH DIMENSI THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA PRESSURE 10 32 A eme ous 7 1 8 HOSE CONNECTION BOARD OPTIONAL STATUS Cus eo 1100 000652 000845 RESET HIGH SIDE SWITCH 5 ALARM RELAY CONNECTION CONNECTIONS CUSTOMER SUPPLIED ALARM RELAY CABLE t lt K OVER PRESSURE Q EXHAUST OPTIONAL ONS ARE IN INCHES Daisy Data Inc 2850 Lewisberry Road York Haven PA 17370 IN WRITING SPECIFICATIONS ARE MODEL 9017 DIVISION 2 Z PURGE
5. 000042 Mechanical Shut Off Valve ENCLOSURE WALL M390 000004 Pressure Regulator 0 100 PSI M 540 0001 71 S Pressure Relief Valve 2 125 PSI M340 000043 Water amp Oil Separator Filter M340 000024 Dessicant Refill C040 000016 MODEL 9017 DIVISION 2 Z PURGE oo MODEL 9047 AIR CONNECTION KIT REFER TO AIR CONNECTION INSTRUCTIONS DIMENSIONS ARE IN INCHES THIS DOCUMENT IS PROPRIETARY TO DAISY DATA CABLE INC Daisy Data Inc 2850 Lewisberry Road York Haven PA 17370 ELECTRICAL INPUT DRAWING THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE for Horizontal M 560 000002 Installation CO40 010001 Pour Sealing Compound here for Vertical Installation This end up for Vertical Installation Fitting PAC Seal 1 NPT 570 000006 Packing Fiber Sealing Compound Packing Fiber TABLE 1 LENGTH C090 010000 1 50 150 200 9569 250 9570 9571 350 9572 400 NOTES REFER TO ALL LOCAL CODES FOR CONDUIT ENTRY INFORMATION THE USER ASSUMES TOTAL RESPONSIBILITY FOR COMPLIANCE WITH ALL APPLICABLE CODES amp PROCEDURES IN THE FINAL INSTALLATION THE PAC SEAL FITTINGS CAN BE A MAXIMUM OF 18 FROM THE ENCLOSURE PAC SEALS MAY BE ATTACHED DIRECTLY TO THE ENCLOSURE amp THE RIGID
6. MOS80 000015 RESET SWITCH CABLE 1100 000757 01 ZPA BOARD 9 5 3 000002 0 5 1 8 BLUE HOSE Q M400 000013 6 32 STANDOFF FITTINC MO40 100160 1 8 BARB to 10 32 M390 000041 Q J LED HOLDER BS M130 000023 ER L SWITCH COVER MO70 000008 9017 Z PURGE ZFA INSTALLATION for OPTION 915 DRAWING NUMBER Daisy Data Inc 2850 Lewisberry Road York Haven PA 17370 SUBJECT TO CHANGE WITHOUT NOTICE We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com ITEM LOCATION DIAGRAM DRAWING P020 SHEET 1 OF 1
7. CONDUIT EXTENDED IN ANY CONVENIENT DIRECTION THE PACKING FIBER amp THE SEALING COMPOUND MUST COMPLETELY SURROUND EACH CONDUCTOR OR CABLE THE AIR INPUT FITTING IS A 1 4 NPT FEMALE THE AIR SOURCE MUST BE CLEAN DRY INSTRUMENT GRADE AIR CAPABLE OF SUPPLYING 35 TO 150 SCFH AT 20 100 PSI SEE TABLE 1 FOR THE DAISY DATA 5 INPUT CABLE MODEL NUMBER amp LENGTH amp CONDUIT ENTRY 9017 Z PURGED DRAWING NUMBER We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com P015 SHEET 1 OF 1 7 25 6 75 12 25 11 50 LLLA O REGUALTOR OPERATE WARNING WARNING RESET UNTIL THE UNTIL ENCLOSURE HAS THE ENCLOSURE SHALL NOT BE OPENED UNLESS BEEN RE PURGED THE AREA IS KNOWN TO BE FREE OF FLAMMABLE MATERIALS OR UNLESS ALL DEVICES WITHIN HAVE BEEN DE ENERGIZED Q Q PRIOR TO REACTIVATION PURGE THE UNIT WITH J FOUR 4 VOLUMES OF PROTECTIVE GAS PRESSURE ALARM CONSULT THE OPERATOR S MANUAL FOR SAFE GOOD RESET INSTALLATION AND OPERATION OF THIS EQUIPMENT DIMENSIONS ARE IN INCHES s DIMENSION NOTES THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC Daisy Data Inc gaa F PURGE CONTROLLER WEIGHT _ THE USE OF OR REPRODUCTION OF THIS DOCUMENT 9 POUNDS IS PROHIBITED EXCEPT AS AUTHORIZED BY 2850 Lewisberry Road York Haven PA 17370 DRAWING NUMBER m 1 2 SUBJECT TO CHANGE WITHOUT NOTICE MECHANICAL
8. GREEN WHENEVER THE INTERNAL PRESSURE IS ABOVE 0 4 WC amp THE ALARM RELAY IS RESET ALARM RESET SWITCH PART OF THE ALARM BOARD OPTION USED TO RESET THE CUSTOMER CONTACTS AFTER AN ALARM CONDITION ATMOSPHERE SENSE PART OF THE ALARM BOARD OPTION USED BY THE PRESSURE SWITCH ON THE ZPA BOARD TO GET DIFFERENTIAL PRESSURE BETWEEN THE ENCLOSURE amp THE EXTERNAL ENVIRONMENT THE HOSE TO THE ZPA BOARD IS 1 8 BLUE DIMENSIONS ARE IN THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE INCHES Daisy Data Inc 2850 Lewisberry Road York Haven PA 17370 ITEM LOCATION DIAGRAM DRAWING Control Valve M 590 00008 O REGUALTOR Ieguldcor Z0 q 340 000001 OPERATE Pressure Good LED ENCLOSURE HAS PRESSURE ALARM GOOD RESET Alarm Reset Switch O Atmosphere Sense EXHAUST ADJUSTMENT amp EXHAUST ASSEMBLY THE ASSEMBLY IS THE POINT AT WHICH PURGE AIR EXITS THE ENCLOSURE THE ASSEMBLY ALSO INCLUDES THE ADJUSTMENT WHICH CAN CONTROL THE INTERNAL PRESSURE OF THE ENCLOSURE WHEN THE CONTROL VALVE IS SET TO OPERATE ADJUST FOR A READING OF 1 WC ON THE INTERNAL PRESSURE METER FLOW METER MEASURES THE AMOUNT OF AIR WHICH IS ENTERING THE ENCLOSURE THE READINC IS TAKEN FROM THE MIDDLE OF THE SILVER BALL DURING PURGE THE F
9. IS TAKEN FROM THE MIDDLE OF THE SILVER BALL DURING PURGE THE FLOW SHOULD BE 150 SCFH ENCLOSURE AIR INPUT THIS IS AIR INPUT INTO THE ENCLOSURE THE OUTPUT OF THE FLOW METER IS A 3 8 TUBE THE END OF THIS TUBE IS PLACED AT THE OPPOSITE CORNER FROM THE EXHAUST ASSEMBLY THIS TUBE MUST BE UNBLOCKED EXHAUST ADJUSTMENT amp EXHAUST ASSEMBLY THE ASSEMBLY IS THE POINT AT WHICH PURGE AIR EXITS THE ENCLOSURE THE ASSEMBLY ALSO INCLUDES THE ADJUSTMENT WHICH CAN CONTROL THE INTERNAL PRESSURE OF THE ENCLOSURE WHEN THE CONTROL VALVE IS SET TO OPERATE ADJUST FOR A READING OF 1 WC ON THE INTERNAL PRESSURE METER o0 ATMOSPHERE SENSE PART OF THE ALARM BOARD OPTION USED BY THE PRESSURE SWITCH ON THE ZPA BOARD TO GET DIFFERENTIAL PRESSURE BETWEEN THE ENCLOSURE amp THE EXTERNAL ENVIRONMENT THE HOSE TO THE ZPA BOARD IS 1 8 BLUE AIR INPUT FOR Z PURGE ATTACHMENT POINT FOR THE ENCLOSURE S PURGE AIR OR INERT GAS THE AIR SOURCE MUST BE CLEAN DRY INSTRUMENT GRADE AIR CAPABLE OF SUPPLYING 35 TO 150 SCFH AT 20 100 PSI THE ENCLOSURE PURGE TIME IS 1 MINUTE 45 SECONDS per CUBIC FOOT WITH A FLOW OF 150 SCFH AFTER THE PURGE IS COMPLETE THE SYSTEM WILL REQUIRE ONLY AN AMOUNT OF AIR ENOUGH TO MAINTAIN THE ENCLOSURE PRESSURE AT 1 WC SPARK ARRESTER PREVENTS FLAME FROM EXITING THE ENCLOSURE REGULATOR ADJUSTS THE FLOW TO 150 SCFH DURING PURGE 9 9017 Z PURGE BACK PANEL ITEM LOCATION DRAWING NUMBER
10. NOTES THE AIR INPUT FITTING IS A 1 4 NPF FEMALE THE AIR SOUCRE MUST BE CLEAN DRY INSTRUMENT GRADE AIR CAPABLE OF SUPPLYING 35 TO 150 SCFH FROM 20 TO 100 PSI THE Z PURGE ALARM BOARD 1033 000002 03 IS OPTION NUMBER 550 THE ALARM BOARD WILL BE LOCATED ON THE BACK OF THE Z PURGE PANEL FOR CABLE amp CONDUIT ENTRY INTO THE ENCLOSURE REFER TO DRAWING P015 SOL Z PUROE BLOCK DIAGRAM DRAWING NUMBER SUBJECT TO CHANGE WITHOUT NOTICE We Thrive in the Harshest Environments PNEUMATIC BLOCK DIAGRAM DRAWING Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com PO16 SHEET 1 OF 1 Internal Pressure Meter M390 000080 Mounting Holes 14 Flow Meter ZU ZOO M340 000010 NOTES 00 00 O CONTROL VALVE ADJUSTS THE AMOUNT OF AIR ENTERING THE ENCLOSURE WITH THE PURGE OPERATE O WARNING THE ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA IS KNOWN TO BE FREE OF FLAMMABLE MATERIALS OR UNLESS ALL DEVICES WTHIN HAVE BEEN DE ENERGIZED PRIOR TO REACTIVATION PURGE THE UNIT WITH FOUR 4 VOLUMES OF PROTECTIVE GAS CONSULT THE OPERATOR S MANUAL FOR SAFE INSTALLATION AND OPERATION OF THIS EQUIPMENT O Exnaust Adjustment Exhaust CONTROL SWITCHES THE AIRFLOW INTO THE ENCLOSURE FROM PURGE TO OPERATE REGULATOR ADJUSTS THE FLOW TO 150 SCFH DURING PURGE PRESSURE GOOD LED PART OF THE ALARM BOARD OPTION THIS LED ILLUMINATES
11. Z Y Purge Operator Interface 4 Installation 41 Powerand Signal Wiring Requirements Mounting Location When mounting Human Machine Interfaces HMI and Purge systems must be positioned to avoid radiated and induced interference Do not mount the unit in close proximity to a device that generates strong radiofrequency interference or electromagnetic interference HMI and Purge systems must be also positioned to avoid exposure to excessive heat Do not mount the unit in close proximity to a steam line heated vat or oven Gland Plates Before modifications can be made Gland Plates must be removed Please note that metal shavings are detrimental to electronic systems Machining Only make enclosure penetrations in designated locations All metal shavings must be collected and removed Wiring Requirements AC power inputs require dedicated circuits or feeds Power from lines or circuits shared by motors drives welders arc furnaces or inductive lighting is not acceptable Conduits for HMI and Purge power should be separated from other conduits to prevent radiated or induced interference Devices that produce spikes surges and brownouts are detrimental to computers and can corrupt data and interfere with purging systems Do not use a transformer or other device to step down a three phase circuit to run a HMI or Purge System Communication wires and signals should be run in separate conduits and routed away from power conduits Providing
12. be used as excess water reduces mechanical strength increases shrinkage and delays set time Failure of the cement to adhere indicates setting has begun discard cement do not attempt to re temper by adding more water The compound may be applied by pouring casting or mechanical dispenser The sealing compound hardens with an internal chemical setting action in 18 to 24 hours at ambient temperature Working time of the sealing compound when the powder is mixed with water is approximately 30 minutes at 70 F If accelerated curing is desired low temperature oven drying at 180 F can be used Do not expose the sealing compound to higher temperatures constant water immersion or steam environments while curing If high humidity resistance is required in the cured product a moisture resistant lacquer or silicone coating should be applied to the exposed surfaces The packing fiber is made from an environmentally safe non asbestos material It is easy to use and forms a positive dam to hold the compound The fiber is placed around each individual wire or cable at both ends of the cavity for horizontal pouring in the PAC Seal so that the Sealing Compound can encapsulate each completely For vertical pouring the packing fiber need only be placed at one end See drawing P002 at the end of this manual We recommend a special blend of lubricants LUBT 2 for use with threaded joints This lubricant is to be used to prevent galling of the pipe thread
13. detailed in the flowchart shown in Figure 6 1 and in Table 6 1 on page 11 Power On Pressure Good Indicator Lights NC Is the pressure gt 0 4 W C a Yes Contacts Close NO Contacts Open Safe No L Y Pressure Good Yes Indicator Off NC m Contacts Open NO Contacts Close Not Safe gt Is the pressure gt 0 4 W C Has the Reset Button Been Pushed Is the pressure gt 0 4 W C Figure 6 1 Z Purge Alarm Logic Poweris Pressure is NCI amp NC2 are NO1 amp NO2 are Pressure Good LED Off 0 4 W C Closed Open Off Off 0 4 W C Closed Open Off On 0 4 W C Open Closed Off On 0 4 W C Closed Open On Table 6 1 Z Purge Alarm and Indicator States October 2015 11 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 7 Customer Service Daisy systems pass detailed quality control configuration and inspection before being shipped Daisy strives to create the highest quality systems and chooses top quality parts However like most electronic devices units may experience issues over time Should you experience problems or have any further inquiries or comments please contact Daisy s customer service department Business Phone 717 932 9999x222 Fax 717 932 8000 Email support makeitdaisy com RD Make x Da Sy Daisy Data D
14. isolation to prevent emissions from other conduits is essential to data integrity Long runs of parallel signal lines can cause cross talk and corrupt data making communications unreliable or impossible DC power should be provided by a dedicated power source If multiple units must be powered from a single DC supply the power cables must be run directly from the unit to the supply Chaining power from one unit to the next is unacceptable Units can interfere with each other by developing noise due to the resistance of the wires The filtering is provided by the source or power supply Additional Wiring It is not permitted to run wiring through the unit that is nonessential to the unit The cabinet is not a junction box Adding Additional Equipment Installing additional equipment in units approved for hazardous classed environments violates the approval of the unit October 2015 5 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 42 Pack Seal Connection Instructions A conduit seal is necessary for most equipment enclosures in hazardous areas For Z purge they are always required Please consult your local code for other instances and full details ALWAYS follow all NEC NFPA and local codes when installing conduit and pack seals in hazardous areas It is very important that knowledgeable personnel familiar with national and local codes supervise hazardous area equipment installations The sealing
15. locations should be cleaned with soap and water and thoroughly dried before proceeding 2 On a Z purge system no entryway is provided by DAISY for power and signal conduits These entries must be made by the end user Select a point on the enclosure that matches well with the location of the incoming conduit Be careful to ensure that the point you have selected is free from obstructions within the DAISY enclosure Being careful to protect the internal electronics air pathways and keyboard surface from flyings and other debris drill or punch holes for the installation of the Pack Seal fitting 1 NPT or 0 75 NPT depending on application in the wall of the enclosure 3 Install two conduit runs one signal one power between the Z Purge system and AC power source located in a safe area or in an explosion proof box See drawing P015 at the end of this manual October 2015 6 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 4 Shake the sealing compound powder well before mixing with water The recommended mix ratio is 5 parts powder to 1 part clean water by weight A 25mL vial of water has been provided with the compound to meet this ratio Place 70 F water into a clean mixing container and gradually add powder to water while mixing Continue mixing until a uniform consistency is obtained Mixing may be done with a slow speed mixer or by hand with a spatula The minimum amount of water as specified above should
16. reasonable protection against radio interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference Some components may not have been manufactured by Daisy Data Displays Inc If not DAISY has been advised by the manufacturer of the component that the component has been tested and complies with the Class A computing device limits as described above Copyright 2012 Daisy Data Displays All rights reserved No part of this publication may be reproduced photocopied stored on a retrieval system or transmitted without express prior written consent Daisy Data Displays Inc 2850 Lewisberry Road York Haven PA 17370 USA Phone 717 932 9999 www makeitdaisy com October 2015 Edition Manual Revision 2 5 Part Number D01 1 000002 October 2015 ii Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface Limited Warranty and Liability Statement To the original purchaser Daisy Data Displays Inc hereinafter referred to collectively as SELLER warrants each of its manufactured products and all components therein contained to be free from defects in materials and or workmanship for a period of 12 months from the date of purchase Should a malfunction or other indication of defect attributable directly to faulty mat
17. to 150 SCFH If the Flow Meter does not read 150 SCFH inspect the enclosure for blockage in the purge gas lines and take appropriate action to clear the blockage If blockages are not obvious verify that the purge air or inert gas 15 clean and dry Slowly turn the Control Valve to OPERATE If the Control Valve is turned rapidly the ball in the Flow Meter may start oscillating Look at the pressure gauge on the front panel to be certain that the internal pressure is 1 0 of Water Column If not reset the adjustment on the exhaust assembly on the so that the pressure gauge reads 1 0 of Water Column Slowly turn the Control Valve to PURGE Make sure that the Flow Meter reads 150 SCFH If not readjust the regulator for 150 SCFH The size of your enclosure will determine the purge time unless you purchased a Z Y Purge on a DAISY Enclosure then follow the purge time stated on the product label After purge cycle slowly turn the control valve to OPERATE TABLE 3 1 _ _ 14 min 30 sec 17 min 45 sec 64 min 1 hr 4 min 80 min 1 hr 20 min 96 min 1 hr 36 min IMPORTANT IT IS THE CUSTOMER S RESPONSIBILITY TO DETERMINE THE PURGE TIME AND MARK THE ENCLOSURE ACCORDINGLY Apply power to the enclosure The Pressure Good LED should be illuminated green If not check the internal pressure it should be between 0 4 and 10 0 of Water Column The October 2015 9 Daisy Data Displays Inc Model 901
18. 50 SCFH If not readjust the purge regulator to set the flow to 150 SCFH If the flow meter does not read 150 SCFH inspect the enclosure for blockage in the purge gas lines and take appropriate action to clear the blockage If blockages are not obvious verify that the purge air or inert gas is clean and dry Slowly turn the control valve to OPERATE If the control valve is turned rapidly the indicator ball in the flow meter may start oscillating Look at the pressure gauge on the front panel to be certain that the internal pressure is 1 0 of Water Column If not reset the adjustment on the exhaust assembly on the so that the pressure gauge reads 1 0 of Water Column Slowly turn the control valve to PURGE Make sure that the flow meter reads 150 SCFH If not readjust the regulator for 150 SCFH Slowly return the control valve to OPERATE and apply power to the enclosure The Pressure Good LED should be illuminated green If not check the internal pressure it October 2015 3 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface should be between 0 4 and 10 0 of Water Column The pressure good led must be illuminated green at this time If it is not please consult the factory 12 If the Pressure Good LED is not illuminated green the internal pressure is below 0 4 Water Column and the alarm is on Turn the enclosure power off and repeat steps 2 though 6 October 2015 4 Daisy Data Displays Inc Model 9017
19. 7 Z Y Purge Operator Interface pressure good led must be illuminated green at this time If it is not please consult the factory 8 If the Pressure Good LED is not illuminated green the internal pressure is below 0 4 Water Column and the Alarm is on Turn power off to the enclosure and repeat steps 2 though 6 October 2015 10 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 6 Operation Notes 6 1 Division 1 Z Purge When using a Z purge system it is the operator s responsibility to disconnect power and signal paths in the event of a purge failure that is if the pressure in the unit falls below a preset level Such a failure is indicated by several means DAISY units are equipped with both an indicator light the Pressure Good LED shown on drawing P017 and an internal pressure meter shown on the same drawing If the Pressure Good indicator is extinguished or if the internal pressure meter is in the red zone below 1 of water column the operator should immediately disconnect power and signal connections to the unit using switches in a safe area DAISY s Z purge systems are also equipped with alarm contacts that switch state simultaneously with the Pressure Good indicator These can be connected to an alarm system or supervisory control system to provide further indications to the operator and or the supervisory system The operation of the alarm contacts and the Pressure Good indicator light is
20. ASSEMBLY DRAWING MO14 INTERFACE BOX WEIGHT We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 Visit Us At www daisydata com SHEET 1 OF 5 POUNDS PATTERN A 11 00 10 50 9 00 DIMENSIONS AFE IN INCHES THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE We Thrive in the Harshest Environments PATTERN B 2 50 1 50 A A PATTERN C 10 50 9 00 A A e ESSO dd _ Mi ER oz 5 25 B 250150 L SG A 5 i MOUNTING NOTES Q A HOLES MOUNTING HOLES FOR 10 HOLES Q B HOLES 1 5 32 DIA CLEARANCE HOLE FOR CONDUIT AND AIR EXHAUST q O CENTER LINE SYMBOL q CUT OUT DIMENSIONS USE RECTANGULAR CUT OUT IF PREFERRED TO THE B HOLES 1 Z Y PURGE Daisy Data Inc DORT 2850 Lewisberry Road York Haven PA 17370 MECHANICAL ASSEMBLY DRAWING Voice 717 932 9999 FAX 717 932 8000 Visit Us At www daisydata com SHEET 1 OF 1 gu LESA 0 Xm CY Li rN Li Y DIMENSIONS ARE IN INCHES MODEL 9017 Z Y PURGE THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC Daisy Data Inc MOUNTING T THE USE OF OR REPRODUCTION OF THIS DOCUMENT
21. E VOLTAGE TYPE IS SELECTED ON THE ZPA BOARD THIS SUPPLIES POWER TO ENERGIZE THE RELAY amp ILLUMINATE THE LED THE CONNECTION IS MADE AT THE FACTORY amp SHOULD NOT SWTCHED WITH THE CUSTOMER CONTACTS THESE TWO CABLE CONNECT THE STATUS LED amp RESET SWTCH ON THE FRONT PANEL TO THE 5 CONNECTOR ON THE Y Z PURGE ALARM BOARD THE ASSEMBLY IS THE POINT AT WHICH PURGE AIR EXITS THE ENCLOSURE THE ASSEMBLY OF 1 WC ON THE INTERNAL PRESSURE METER TWO SETS OF RELAY 2 NORMALLY amp 2 NORMALLY CLOSED ARE PROVIDED INSIDE THE ENCLOSURE FOR THE USER TO WRE EXTERNAL DEVICES THE RELAY CONTACTS WILL SWITCH STATES WHEN PRESSURE INSIDE THE ENCLOSURE REACHES 0 4 INWC PRESSURE GOOD THESE CONTACTS CAN BE ESED TO KEY EXTERNAL ALARMS OR KEY A POWER RELAY TO SWTCH POWER TO INTERNAL EQUIPMENT THE WIRE FOR THE CONTACTS SHOULD BE STRIPED 1 4 amp TINNED WITH SOLDER UNSCREW THE GREEN CONNECTOR TO OPEN THE CONTACTS INSERT THE WIRE amp SCREW CLOSED SWITCHING THE INPUT AC POWER WITH THE CUSTOMER CONTACTS THE AC POWER TO THE INTERNAL EQUIPMENT CAN BE SWITCHED USING A CUSTOMER SUPPLIED RELAY THE AC POWER TO THE ZPA BOARD MUST NOT BE SWITCHED REFER TO THE DIAGRAM BELOW TO CONNECT THE EXTERNAL RELAY DAISY DATA MODEL 9121 Y Z PURGE RELAY KIT MAY USED FOR THIS Y Z PURGE ALARM ZPA BOARD ITEM LOCATION Daisy Data Inc 2850 Lewisb rry Road York Haven 17370 ITEM LOCATION DIAG
22. EHR n OR MN SS OO iue aussi uoi iium 10 Drawings RE scented LO October 2015 iv Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 1 Introduction Thank you for selecting a DAISY solution for your hazardous area operator interface requirements This manual describes the general procedures for installing and operating DAISY Z Y Purge systems The text portion of the manual also includes an overview of the theory behind the methods used to make electronic systems safe for hazardous areas Section 9 Specifications also contains an overview of system specifications and Section 10 Drawings includes mechanical drawings of each unit We are always working to improve our documentation If you have any suggestions or requests please forward them to our sales department at sales Daisyinc net to Daisy Data Displays Inc 2850 Lewisberry Road York Haven PA 17370 Attn User Manual Coordinator October 2015 1 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 2 Hazardous Area Safety Methods Theory of Operation 2 1 Division 1 Z Y Purge Protection The Z Purge Model 9017 and the Y Purge DAISY Enclosure Mounted Systems are Electrically and Pneumatically the same For the rest of this manual they will refer to as a Z Purge The 1033 000002 03 Printed Circuit Board will be called the Assembly Z purge systems are used for installing electrical equipment in hazardous
23. LOW SHOULD BE 150 SCFH INTERNAL PRESSURE METER READS THE INTERNAL PRESSURE OF THE ENCLOSURE THE DIAL ON THE METER 15 CUSTOMIZED TO READ OPERATE OVER PRESSURE amp UNDER PRESSURE REGIONS 9017 Z PURGE FRONT PANEL ITEM LOCATION DRAWING NUMBER PO17 We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 Visit Us At www daisydata com SHEET 1 OF 1 Mounting Holes 14 Regulator 20 PSI 9 M3540 000001 Breather Air Input for Z Purge atmosphere Sense to ZPA 1 8 Hose Control Valve M390 000087 Internal Pressure Meter M390 000086 1 4 Hose Flow Meter 20 200 SCFH M340 000010 Enclosure Air Input 3 8 Tube Exhqust Assembly 640 000499 02 DIMENSIONS ARE IN INCHES THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC Daisy Data Inc 2850 Lewisberry Road York Haven PA 17370 THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE NOTES CONTROL VALVE ADJUSTS THE AMOUNT OF AIR ENTERING THE ENCLOSURE WITH THE PURGE OPERATE CONTROL SWITCHES THE AIRFLOW INTO THE ENCLOSURE FROM PURGE TO OPERATE INTERNAL PRESSURE METER READS THE INTERNAL PRESSURE OF THE ENCLOSURE THE DIAL ON THE METER IS CUSTOMIZED TO READ OPERATE OVER PRESSURE amp UNDER PRESSURE REGIONS FLOW METER MEASURES THE AMOUNT OF AIR WHICH IS ENTERING THE ENCLOSURE THE READING
24. October 2015 Daisy DATA DISPLAYS Model 9017 Z Y Purge Interface User s Manual Model 9017 Z Y Purge Operator Interface DISCLAIMER Daisy Data Displays Inc DAISY makes no representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose Further Daisy Data Displays Inc reserves the right to revise this publication and to make changes to its content at any time without obligation to notify any person or entity of such revisions or changes Further Daisy Data Displays Inc makes no representations or warranties with respect to any DAISY manufactured equipment and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose Further DAISY reserves the right to make changes to any and all DAISY manufactured equipment at any time without obligation to notify any person or entity of such changes FCC WARNING Computing devices and peripherals manufactured by DAISY generate use and can radiate radio frequency energy and if not installed and used in accordance with the instructions in this manual may cause interference to radio communications Such equipment has been tested and found to comply with the limits for a Class computing device pursuant to Subpart J of Part 15 of the FCC Rules which are designed to provide
25. RAM DRAWING We Thrive in the Harshest Environments Voice 717 932 9999 FAX 717 932 8000 or Visit Us At www daisydata com SHEET 1 OF 1 SAFE AREA INSIDE ENCLOSURE e ee Gee eee ZPA BOARD CUSTOMER CONTACTS SEE NOTE 7 RELAY 1 NO c NC jer AC POWER TO INTERNAL EQUIPMENT AC NEUTRAL mem ejojn ze 6000 elo IB 5 AC POWER TO ZPA BOARD SEE NOTE 4 ofo mec eje c zoer ole BS NEUTRAL Za e e 5 0 Runo O REMOVE ALL POWER BEFORE INSTALLING THE ALARM BOARD THE OPTION 915 Z PURGE ALARM BOARD BE INSTALLED IN THE FIELD BY FOLLOWING THE ASSEMBLY DRAWING USE CARE NOT TO DAMAGE THE EQUIPMENT WHEN INSTALLING THE NEW HARDWARE amp CIRCUIT BOARD Q CONNECTING TO THE PRESSURE SWITCH USE CARE WHEN INSTALLING THE 1 8 BLUE HOSE TO THE LOW SIDE OF THE PRESSURE SWITCH ON THE ZPA BOARD LOW SIDE CONNECTED TO 1 8 BARB DIMENSIONS ARE IN INCHES THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC THE USE OF OR REPRODUCTION OF THIS DOCUMENT IS PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE 6 52 SCREWS Be M001 001920 EE TO J2 ON THE PC BOARD 0100000 MARKED RESET SWITCHED amp LED 6 WASHERS MO21 000004 m E I SPACER PROTECTIVE COVER
26. areas see National Electrical Code articles 500 504 and the NFPA 496 section 2 8 A Z purge system provides the protective purge and maintenance of safe gas flow to the enclosure the purge system operation and the power and signal connections are controlled by the operator as opposed to the automatic control provided by X purge systems Model 9016 The purge system includes alarm contacts and a visible indicator to alert the user and possibly an automated control system in the event of the loss of pressure within the enclosure that is a failure of the protective safe gas flow or of enclosure integrity At start up the enclosure is purged of any possible flammable materials by applying a rapid flow of air through the enclosure Prior standards simply required an exchange of four volumes of air through the enclosure However the standards now require that the volume of air passed through a given enclosure eliminate any possible flammable concentration of substances within the enclosure the minimum of four volumes of exchange still applies Factory Mutual Class Number 3620 section 4 2 page 5 states When concern exists that all compartments may not be purged purging tests shall be conducted This requires consideration not only of the airflow and pressure but also of the enclosure s shape and the effect of equipment installed within the enclosure DAISY s systems have been fully tested under the supervision of Factory Mutual to ensure c
27. awing 12 for dimensions Environmental Operating Temperature 0 50 C Storage Temperature 0 70 Relative Humidity 10 100 RH Non condensing Electrical Voltage 120 240 VAC 60 50 Hz Power 5W Maximum Division 1 Z Purge Alarm Relays 120 VAC or 30 VDC Air Requirements Operating Pressure 1 of Water Column Division 1 Z Purge 150 SCFH Minimum 20 100 PSI Recommended at Inlet October 2015 15 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 10 Drawings The following is a list of drawings in the order in which they appear Number Description Page P015 Z Purge Cable amp Conduit Entry 20 M014 Z Purge Dimensions 21 M012 Z Purge Mounting 22 M017 Z Purge Mounting Options 23 P016 Z Purge Block Diagram 24 P017 Z Purge Front Panel Item Location 25 P018 Z Purge Rear Panel Item Location 26 P019 Z Purge Over Pressure Exhaust 27 E009 Z Purge Alarm Board Connections 28 P020 Z Purge Alarm Board Mounting 29 October 2015 16 Daisy Data Displays Inc Pour Sealing Compound here Enclosure Wall Cables though Seol AC Power Junction Boxes Signol Cobles i Only in this Conduit Q oN S Pac Seol Fittings 1 NPT MODEL 9017 DIVISION 2 Z PURGE MOUNTED TO AN ENCLOSURE Nipple MODEL 9026 PAC SEAL KIT 1 NPT PAC Seal Fittings REFER TO PAC SEAL INSTRUCTIONS 1 NPT 18 max from Enclosure Pressure Gauge 0 160 PSI 340
28. compound generally used for pack seals is an inorganic chemically setting magnesium oxide base material which develops a slight expansion while hardening into a porcelain like body Sealing Compound is supplied as a powder and need only be mixed with water to apply Approximately one ounce of sealing compound is needed per cubic inch of space to be filled The sealing compound powder has a shelf life of six months when stored in unopened tightly sealed containers in a dry location at 70 F Any equipment accidentally splashed with sealing compound should be cleaned with soap and water before the sealing compound cures Equipment Required e Four PAC Seal fittings 1 or 0 75 NPT for the Z Purge or sealing conduits The PAC Seal and conduit size selected will depend on the size and number of conductors which must be run to the unit Check the NEC tables Chapter 9 Table 4 to determine the conduit size necessary e Conduit for electrical signals and for electrical power separate runs NEC and approved for use in hazardous areas e NEC and NFPA approved flexible conduit if needed for difficult installations e Fittings as required for permanent conduit installation NEC and NFPA approved for use in hazardous areas e Signal cables power cables and connectors as required to mate with the equipment within the enclosure or cast aluminum box e AC power switch for use in the safe area Procedure 1 Threaded surfaces and pour
29. equipped with local water oil separator or filter capable of supplying 150 SCFH at 20 100 PSI Fittings and tubing for purge air or inert gas supply 0 25 NPT Male to connect to the inlet of the purge system Local air pressure shutoff valve Procedure 1 2 CA 10 11 Place the unit in a safe area near a source of the purge gas to be used compressed air line or other inert gas source Through a cord grip or other cable sealing device bring AC power into the enclosure Be sure that the AC power is off Connect the AC power temporarily to the Z purged unit see drawing E009 at the end of this manual Temporarily install a pressure regulator water oil separator or filter shutoff valve pressure relief valve and pressure gauge in the purge air or inert gas line see drawing P015 at the end of this manual Bleed the purge air or inert gas line to insure that dirt moisture and other contaminants are cleared from the line prior to connecting the line to the unit Connect the purge gas line to the inlet of the regulator on the Purge Unit Apply air or inert gas to the enclosure The enclosure may swell slightly as the internal pressure increases This is normal and is not a cause for concern DAISY enclosures are designed to release excess pressure DO NOT ATTEMPT TO OPEN THE ENCLOSURE WHILE IT IS PRESSURIZED Turn the control valve to PURGE Look at the flow meter on the front panel to verify that the flow rate is 1
30. erials and or workmanship occur Seller will at its option and without charge to the customer for labor and parts repair or replace the defective product F O B Seller s plant but Seller will not be responsible for freight from Purchaser to Seller s plant In no event shall Seller be liable for any loss inconvenience or damage whether direct incidental consequential or otherwise resulting from abuse misapplication or modification of the product improper or faulty power damage resulting from repairs or alterations performed by unauthorized persons or conditions resulting from any other equipment attached to the product Seller assumes no liability for damage occurring in transit due to the product not being returned in its original shipping material This warranty is exclusive and is in lieu of any warranty of merchantability or fitness for a particular purpose or other warranty of quality whether expressed or implied except of title and against patent infringement Correction of nonconformities in the manner and for the period of time provided above shall constitute fulfillment of all liabilities of the Seller to the Purchaser with respect to or arising out of the goods whether based on contract negligence strict tort or otherwise LIMITATION OF LIABILITY The Seller shall not under any circumstances be liable for special or consequential damages such as but not limited to damage or loss of other property or equipment loss of pro
31. fits or revenues cost of capital cost of purchased or replacement goods or claims of customers of Purchaser for service interruptions The remedies of the Purchaser set forth herein are exclusive and the liability of Seller respect to any contract or anything done in connection therewith such as the performance or breach thereof of from the manufacture sale delivery resale installation or use of any goods covered by or furnished under this contract whether arising out of contract negligence strict tort or breach of warranty or otherwise shall not except as expressly provided herein exceed the price of the goods upon which such liability is based This warranty gives you specific legal rights and you may also have other rights which vary from state to state Seller makes every effort to provide clear and accurate technical information on the application of its products in the Operator s Manual and assumes no liability for misuse of the information October 2015 iii Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface TABLE of CONTENTS Model 9017 Z Y PUT en H N L Users u l l U UL DISCLAIMER Ret ede een a I u RO RR ii FCC WARNING eater n tian aoe ieee tie ee ogi ee et oi a ae li Limited Warranty and Liability iii LABLE of CONTENTS deett ee
32. isplays Inc 717 2 7179 www makeitdaisy com e Equipment returned to DAISY for service must be accompanied by a valid return merchandise authorization RMA number Anything shipped to DAISY without a valid RMA number will be refused Please contact customer service for an RMA number be prepared to provide model AND serial numbers to help identify your equipment Typical I D label shown below with Serial and Model numbers highlighted You may be able to trouble shoot problems yourself To save time and money please consult the trouble shooting guide in this manual October 2015 12 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 8 Trouble Shooting Guide 8 1 Division 1 Z Purge Trouble Shooting PROBLEM POSSIBLE CAUSE SUGGESTED SOLUTION The flow cannot be adjusted up to Improper flow meter reading For correct operation the purge unit 150 SCFH during purge must be mounted vertically so that the flow meter is vertically plumb Improper regulator adjustment Adjust the air inlet regulator to increase air supply The purge control is not set to purge Check the position of the control valve to ensure that it is set to Purge Insufficient air supply Check your purge gas supply to ensure that it can supply 150 SCFH If you cannot achieve 150 SCFH then purge times must be recalculated Contact DAISY customer service for assistance Restrictions in the air supply line
33. jeje c DC GND B ole DC GND RELAY N C A lejo a Zo DC GND RELAY COM 24V DC POWER SUPPLY Et 24 Exhaust Assmebly E EC kesi 1 RELAY POSITIVE VOLTAGE o RELAY GROUND I TB 2 2 NO ALARM RESET AC Y Z Purge lt INPUT AC POWER iin HoT Ec ele com Assembly eno NEUTRAL 5 1640 001109 01 18 1 ele ag so so NEUTRALIe e 5 NEUTRAL lele c GROUND e e B 25 GRouwD sS e A 527 elo I Li b P A RELAY 1 NC c 2 POWER OFF or INTERNAL PRESSURE GOOD RELAY 2 ALARM STATE NC 0 Relay 12VDC 4PDT Hermetically Sealed E110 000005 ZPA BOARD Voltage Select Switch Fuse 25A 250V 120 VAC Input THIS DOCUMENT IS PROPRIETARY TO DAISY DATA INC THE USE OF OR REPRODUCTION OF THIS DOCUMENT 15 PROHIBITED EXCEPT AS AUTHORIZED BY DAISY DATA IN WRITING SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE NOTES BELAY THIS IS THE HERMETICALLY SEALED RELAY THAT CONTROLS THE CUSTOMER CONTACTS VOLTAGE SELECT SWITCH THIS SWITCH SELECTS THE OPERATING VOLTAGE OF THE Y Z PURGE ALARM BOARD THE VOLTAGES ARE 115 amp 230 VAC THIS IS A 0 25 250 VOLT FUSE THE 120 240 VAC INPUT TH
34. l not maintain 1 of water column Restrictions in the air connections Ensure that the air connection at the regulator is not kinked has no obstructions and is firmly connected October 2015 13 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface PROBLEM POSSIBLE CAUSE SUGGESTED SOLUTION The Pressure Good indicator does not light when the unit is powered Incorrect power up sequence Power should only be applied to the enclosure after the internal pressure has reached 1 of water column or higher and when the full purge time has elapsed Insufficient internal pressure The pressure within the enclosure must be within the operating or safe range If you are having trouble maintaining a suitable pressure see the previous section of this trouble shooting guide Alarm board is not receiving power Ensure that AC power has been connected to the unit and that the power is turned on Voltage is set incorrectly Ensure that the 120 240 VAC switch on the alarm board is set appropriately for your power source October 2015 14 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 9 Specifications Materials materials comply with NEMA 4X standards Enclosure and Hardware Stainless Steel Mechanical Purge Controller 6 75 H x 11 50 W x 2 75 D 9 pounds Interface Box 7 25 H x 12 25 W x 3 50 D 5 pounds See dr
35. nnade neget iv L JutFodUucUDD icio luere Ni i 2 Hazardous Area Safety Methods Theory of Operation 2 2 1 Division 1 Y Purge PrOtGCUOIE s oec ino Desde pecori eb robot den 2 J Pre Installation POS iin os aaa euet ne EARN E CREE IE ERA 3 1 Division 1 Z Purge Lest m S 3 4 Installation Ecc 4 1 Power and Signal Wiring Reduirements ener tut Tei eee a eus 5 42 Pack Seal Connection Instructions 6 4 3 Purge Air Line Connection Instructions 7 4 3 1 For Division 1 Z Purge Systems Model 9017 sess 7 EE J 5 1 Division 1 Z Y Purge Start Up Operation a 9 6 Operation ao eode epe Rs ed ou IE LL 6 1 Division uuc EE 11 7 i Customer SePVICE Al ee pei ta PM 8 Trouble Shooting Guide LO 8 1 Division 1 Z Purge Trouble Shooting a 13 9 Specifications e ci in M
36. ompliance with the standards of FM 3620 4 2 After the enclosure has been purged the operator switches the purge control to the operate setting At this setting the air flow rate is reduced to conserve the protective gas while still maintaining a positive pressure within the enclosure to prevent the entry of flammable materials At this time the operator can apply power to the electronics within the enclosure In the event of a loss of protective pressure within the enclosure the alarm system will indicate the failure The operator must then shut off power and signal connections at a safe disconnect location Y purge systems are used for installing electrical equipment in Division 1 hazardous areas see National Electrical Code articles 500 504 and the NFPA 496 section 2 9 Essentially the installation of a Y purge on a DAISY enclosure in a Division 1 area reduces the rating inside of the enclosure to Division 2 This allows less costly Division 2 electronic equipment to be safely used in Division 1 areas October 2015 2 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface 3 Pre Installation Testing Before installing your system in its final location you may wish to test it to verify that the purge system is functioning correctly 3 1 Division 1 Z Purge Test IMPORTANT NOTE Pre installation testing should always be conducted in a safe area Equipment Required Clean dry purge air or inert gas supply
37. s when threaded into a coupling junction box etc It insures a quick release and undamaged male and female threads when parts are disassembled The thread lubricant is high quality lubricant to be used in temperatures ranging from 40 to 4 50 F It is recommended for use in a hazardous location The PAC Seal Compound packing fiber and LUBT 2 are available from Killark at http www killark com For enhanced reliability of the unit install an AC line conditioner AC power lines should be no smaller than 14 gauge and have a TRUE EARTH GROUND 43 Purge Air Line Connection Instructions 4 3 1 For Division 1 Z Purge Systems Model 9017 After the unit has been mounted in its final location in the hazardous area it must be permanently connected to a purge air or inert gas line and checked for leaks and proper operation of the purge pressurization system Only when its pressure integrity has been established should electrical signals and power be brought live to the unit ALWAYS follow all NEC NFPA and local codes when installing purge systems in hazardous areas It is very important that knowledgeable personnel familiar with national and local codes supervise hazardous area equipment installations October 2015 7 Daisy Data Displays Inc Model 9017 Z Y Purge Operator Interface Equipment Required Clean dry purge air or inert gas supply equipped with local water oil separator or filter capable of supplying 150 SCFH at 20
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