NGC-30-CR NGC-30-CRM NGC-30-CRMS NGC-30-CTM NGC-30-CVM

Transcription

1 Installation Instructions NGC-0-CR NGC-0-CRM NGC-0-CRMS NGC-0-CTM NGC-0-CVM Industrial Heat Tracing Solutions EN-RaychemNGC0-IM-INSTALL R6

2 NGC-0-CR NGC-0-CRM NGC-0-CRMS NGC-0-CTM NGC-0-CVM Control and monitoring modules for use with the Raychem NGC-0 Installation Instructions Description The NGC-0-CRM/-CRMS and NGC-0-CTM provide ground-fault and line current sensing, alarming, switching and RTD inputs for five heat-tracing circuits when used with the NGC-UIT. The NGC-0-CRM is used to control. Electromechanical Relays (EMRs) and the NGC-0- CRMS is used to control Solid State Relays (s). Tools Required Screw driver small blade - standard Wire cutters RJ stripping/crimping tool RJ connectors Additional Materials Power supply - 00 ma per NGC-0-CRM/-CRMS board RJ conductor cable Kit Contents Item Qty Description A NGC-0-CRM or CRMS (card rack module with connectors) B NGC-0-CTM (current transformer module) C NGC-0-CR (card rack) D NGC-0-CVM (voltage monitoring module) - optional General Approvals/Certifications Hazardous Locations Class I, Div., Groups A,B,C,D Ex nc IIC T5 Class I, Zone, AEx nc IIC T5 (Russia, Kazakhstan, Belarus) For other countries contact your local Pentair representative. Supply Voltage Vdc ± 0% Internal power consumption < 5 W per NGC-0-CRM/-CRMS Ambient operating temperature 0ºF to 0ºF ( 0ºC to 60ºC) Ambient storage temperature 0ºF to 67ºF ( 0ºC to 75ºC) Environment PD, CAT III Max. altitude 000 m Humidity 0 90% non-condensing Electromagnetic Compatibility Immunity Heavy Industrial Emission Industrial Environment Temperature Sensors Type Quantity 00-ohm platinum RTD, -wire, α = ohms/ohm/ºc Can be extended with a -conductor shielded cable of 0 ohm maximum per conductor Up to five wired directly to each NGC-0-CRM/-CRMS Current Sensors Mounting Quantity per NGC-0-CTM Din Rail 5 mm Five for ground-current measurement Five for line current measurement Line Current Sensors Max current 60 A Accuracy ± % of reading Ground Fault Sensor Range 0 00 ma Accuracy ± % of range at 0 A line current Voltage Sensor Range Vac 50/60 Hz Accuracy ± % of span Outputs CRM output relays Form A 77 Vac max 50/60 Hz CRMS outputs 0 ma max per output Alarm Relay Form C 77 Vac max 50/60 Hz Communication to NGC-UIT Type wire RS-85 Cable One shielded twisted pair Length 000 ft. (00 M) maximum Quantity Up to 5* NGC-0-CRM/-CRMS may be connected to one NGC-UIT Connection Terminals Power supply/pilot Relay/ 8 AWG (0.8 -.mm ) RTD/Comm Port (RS85) * May require an RS-85 repeater if communication length is greater than 000 ft. WARNING This component is an electrical device that must be installed correctly to ensure proper operation and to prevent shock or fire. Read these important warnings and carefully follow all of the installation instructions. Component approvals and performance are based on the use of Pentair-specified parts only. Do not use substitute parts. Keep components dry before and during installation. Leave these instructions with the end user for reference and future use. For technical support, call Pentair at (800)

3 Cleaning Instructions If dust accumulates on the NGC-0-CRM/-CRMS circuit board use compressed air to remove the dust. Turn off all power to the NGC- 0 panel. Carefully disconnect all cables from a single NGC-0- CRM/ CRMS card, making sure to label cables so that they can be reconnected after board cleaning. Wear an anti-static wrist strap connected to ground in order to avoid component damage. Remove the CRM/CRMS circuit card from the card cage and place on a clean lintfree surface. Use dry compressed air from a can for cleaning circuit boards. (Avoid factory compressed air since it may contain enough moisture or oil to cause permanent damage.) Use short quick blasts to remove dust buildup as necessary. After cleaning, replace the CRM/CRMS in the same card cage position and reconnect all cables. Remove only one card at a time for cleaning to avoid any problems during re-installation. NGC-0-CR Installation Instructions Mounting of Card Rack Use the mounting template (on page 7) to mount the rack on a panel backplane. There are four holes (0.88" dia.) to secure it to the mounting surface using #8 screws. Once the card rack is installed, a earth bonding wire (green 8 AWG min.) terminated with a #0 Ring terminal must be connected to the card rack using the ground screw provided. Note: The card rack must be installed on a non-combustible surface. 8 mm (.5") 79 mm (0.97") Grounding screw 8 mm (7.0") Note: screw is located on the outside of the enclosure NGC-0-CRM/-CRMS Installation Instructions NGC-0-CRM/CRMS bk MSB LSB 9 TB TB TB TB TB 5 TB TB 9 TB 7 TB TB TB TB 5 TB 6 TB 7 8 Alarm output Relay outputs (5x) LEDs (9x) Fuse 5 Vdc Inputs (x) 6 End of Line (EOL) jumper 7 RS-85 Communications 8 Line & ground-fault sensor inputs (5x) 9 R TD Inputs bk Address Switches Power Relay Relay Tx Alarm Relay Relay Rx LED functions Relay 5 78 mm (7.00") 7 mm (0.75")

4 Power Supply The power supply connector (TB9) is a dual two pin connector. Either connector allows for power in (pin # (+), pin # ( ) and bussing of power to other NGC-0-CRM modules). Note: Power supply must be sized correctly based on the number of NGC-0-CRM/-CRMS modules. Relay Output Connections to Contactors or Solid State Devices (TB7) This connector switches voltage to the contactor coils or solid state relays. The pilot relay will switch the supply voltage (up to 77 Vac) to the contactor coil (using an NGC-0- CRM) or Vdc to the solid state device (using an NGC-0-CRMS). Refer to system layout diagram for detail wiring. 0-RLY 8-RLY -RLY COM 6-RLY5 -RLY RS-85 Communications The RS-85 connector (TB6) is a dual three pin connector. Either connector allows for RS-85 input signals (pin # (shield), pin # (+), pin # ( )) and bussing of RS85 signal to other NGC- 0-CRM modules. End of Line (EOL) Jumper If this device (NGC-0-CRM/-CRMS) is the last device in the RS-85 network, the J jumper needs to be moved from terminals & to terminals &. Normal position End of Line position Common Alarm The common alarm terminal block (TB) provides a form C dry contact, rated at 77 Vac max (A). When the Raychem NGC-0 system is powered on, the common alarm relay coil is energized and pin is connected to pin (common). This is the "No Alarm" condition for the CRM/CRMS board. If the alarm occurs, or the CRM/CRMS board loses power, the relay coil is de-energized and pin (common) is disconnected from pin and connected to pin to indicate an alarm condition exits. COM N.C. N.O. Relay "No Alarm" Condition RTD Inputs Ordinary Area wire RTDs with shield may be connected to RTD Ch thru Ch 5 (TB - TB5). The two common wires (usually red, red) are connected to terminals &, the source (usually white) to terminal and the braid to terminal (earth ground). Note: RTD's are not required if monitoring current/ground-faults only or if RTD's are connected via RMMs. RTD connected directly to CRM board RTD R T D R T D R T D R T D Chassis Ground S h ield S h ield S h ield S h ield S h ield R T D R T D R T D R T D R T D 5 CRM PCB Address Switches (SW & SW) Each NGC-0-CRM/-CRMS must have a unique communication address selected. The valid address switch range when using the NGC-UIT is -99. SW is the ones digit (0 9) and SW is the tens digit (0 or 9). Note: When adding an NGC-0-CRM/-CRMS to the system, you must perform a network update at the NGC-UIT. Optional Voltage Sensor Cable Preparation Notes:. Cut one end off of a groundfault /line current cable.. Strip insulation approx. " from cut end.. Strip the red and black wire insulation approx. 0.0".. Connect red and black wire to the two position terminal plug. No need to be concerned about polarity. 5. Trim brown and orange wires from cut end. Optional Voltage Sensor The optional voltage sensor can monitor Vac. This voltage connects to one of the five line current/ground-fault inputs on the NGC-0-CRM. Note: By using the optional voltage sensor, you lose the ability to monitor the groundfault and current for that circuit. 8 MSB SW LSB SW RTD Inputs Hazardous Area For all RTD terminations in a hazardous area, the RTD field wires must be terminated on a panel-mounted terminal block. NGC-0-CRM/CRMS Board Factory wired Terminal block RTD Hazardous area

5 NGC-0-CTM Installation Instructions NGC-0-CTM Line & ground-fault sensor outputs (5x) Line current sensor (5x) Ground-fault current sensor (5x) Typical GF / LC wiring through transformers DIN rail mounting foot (X) Ground-fault transformer Phase / Neu. Phase Line current transformer.5 in (89.9 mm) top of DIN rail DIN rail 9.75 in (8 mm) Each NGC-0-CTM mounts on a DIN 5 rail. It should be located between the circuit breaker or terminal block and contactor or in the panel. Ground-Fault/Line Current Cable Assembly Note: A complete cable may be ordered as part number: XXX where XXX = Length (L) in inches. Ground-Fault/Line Current Sensors Connections from NGC-0-CRM/-CRMS to NGC-0-CTM. Using an RJ connector/ cable assembly, connect one end to an RJ input (TB-TB7) and the other end to the appropriate NGC-0-CTM RJ connector. (L) 8 Typical connection ( of 5) 5

6 System Layout NGC-0-CRM System Layout NGC-0-CRM 0 V ac in Vdc Power Supply NGC-UIT Touch Screen L N 0 Vac contctor power R TDs Alarm relay output NGC-0-CRM AC voltage up to 77 Vac Distribution panel board with standard circuit breakers L 0 Vac N To contactor coils (see detail) NGC-0-CTM ø ø ø N Relay drivers To heater's power junction box Pilot relays located on ci rcuit board Contactor coils 6

7 System Layout NGC-0-CRMS System Layout NGC-0-CRMS 0 V ac in Vdc Power Supply NGC-UIT Touch Screen R TDs Alarm relay output Internal Vdc power NGC-0-CRMS AC voltage up to 77 Vac Note: Vdc power provided by NGC-0-CRMS board Internal Vdc + Output driver To DC input (see detail) NGC-0-CTM Distribution panel board with standard circuit breakers ø ø ø N To heater s power junction box (typical 5) 7

8 8 cm (7.00") ø 0,5 cm (0.88") 5 cm (9.75") 6, cm (.") Top of Card Rack NGC-0-CR Wall mounted hole template (Note: Ensure the printed template has scaled correctly.,5 cm (0.65") 8

9 NGC-0-C Installation Instructions General Installation Instructions. The NGC-0 components must be installed: In compliance with all local electrical and safety codes In an enclosure suitable for the application environment. When used in hazardous (Class I, Div. or Zone ) locations, a minimum IP5 enclosure is required.. The Raychem NGC-0 components must be protected by external overcurrent and disconnect devices. This may be a circuit breaker or a combination of disconnect switch and fuses. The disconnect device: Must disconnect all ungrounded, current-carrying conductors Should be located in close proximity to the equipment Be within easy reach of the Operator Be marked as the disconnecting device for the equipment. Supply wiring insulation must be rated for the highest voltage and temperature to be encountered in the application. Conductors must be sized for the application and be protected by an external overcurrent device.. Some wiring configurations will use more than one power source and all must be de-energized prior to performing any maintenance on a controller circuit. 5. Protection provided by this equipment may be impaired if the device is used outside of its ratings or for applications other than is intended. 6. Always be sure that the intended location is classified as an area for which the product is approved. 7. The Raychem NGC-0 components have no user serviceable parts. Contact your Pentair Representative for service and a Return Authorization if required. Conducted And Radiated Emissions - Statement Of Compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 5 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/tv technician for help. This Class A digital apparatus complies with Canadian ICES-00. Cet appareil numérique de la Classe A conforme à la norme NMB-00 du Canada. NGC-0 Installation Test Procedures Once assembled into a panel, the Raychem NGC-0 components must be tested as a system to ensure that the ground fault detection circuitry is functional. The following tests must be conducted by qualified personnel familiar with the equipment and its operation, test procedures, and electrical code requirements. Make as many copies of this checklist as required to document successful tests for each circuit in the panel. Abbreviations: GF = Ground Fault CT = Current Transformer NGC-0-CRM/-CRMS Board: Tested by: Date: Inspect the wiring to ensure that all load conductors pass through the GF CT. Verify that no ground (PE) conductors pass through the GF CT. Circuit # Circuit # Circuit # Circuit # Circuit #5 Ensure that conductors on the load side of the GF CT are not grounded. Simulate a GF on the load side of the GF CT large enough to cause the NGC-0-CRM or NGC-0-CRMS to trip its output off. This should occur within approx. second of applying the test GF current. Completed forms should be retained with the panel and available for inspection by the local Electrical Inspection Authority. 9

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