User Manual – Preliminary Edition
Contents
1. Motherboard Fig 4 1 5 24 24 VDC VAC VDC R1 R2 R3 R4 gt F N a Te oom OO FE y Bs LELI og 59 X2 X3 c i oO E A R3 not active E2 e of 12343 123456789 R3 w High alarm active 8 R3 w Low alarm active a Analog output R1 REIR LE Ra 37 w without display JP5 T JP2 JP4 JP3 HN a oe Testpin JM Common JP11 A igi JPG lol ol ol Testpin J2 High trip setpoint value S1 AL J Testpin J1 Low trip setpoint value Ol Motherboard pa Switching differential of 23050167 JP104 JP8___ T High trip setpoint value O e RSI a R320 Adjustment trip setpoint A High trip setpoint a Test button Switching differential of Low trip setpoint value Adjustment trip setpoint ee Wia a e ale actives high alarm Low trip setpoint 9 Displayboard Fig 5 JP1 2 Display w without sign R31 Mode operating switch 1 set trip setpoint Low X1 2 set trip setpoint High R32 3 NC ONE 4 Normally operating mode Adjusted max value E O Adjusted min value a5 ee E Testpin display range 59 8 5 JP7 co Changing display range 8 g ANZEXST CDR JP12 u ee Button Reset Alarm High activates 3 Displayboard 2305001 PolyGard is a registered trademark of MSR Phone 858 578 7887 amp 888 GO INTEC INTEC Controls Inc P O Box 12506 La Jolla C Fax 858 578 4633 amp 888 FX INTEC SPC1120101 Spe2. Internal function X Jumper JP7 Internal function 28 Jumper JP10 Internal function 1 2 Jumper JP11 z Note Only one of the three jumpers can be installed Do not change the factory jumper position setting 5 6 Displayboard jumper selection table Element Function A Factory Set Display value without sign X Jumper JP1 1 Display value with sign X Jumper JP1 2 Button Reset 2 high alarm enabled X Jl high Jumper JP12 Button Reset 2 high alarm disabled X Internal function X Jumper JP7 Do not change the factory jumper position setting PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 ee NEC CONTROLS 6 Inspection and Service 6 1 Inspection Inspection and service of the single point controller should be done by a trained technician and executed on a periodic interval It is recommended that the sensor operation be verified at least every six months 6 2 Calibration sensor See part 5 3 e Service at periodic intervals is to be decided by the person responsible for the gas detection system e f span calibration voltage of 1000 mV see note below is n
3. d d X2 NR o812345 5 90 in 150 mm Low alarm override Motherboard 23050167 Horn 0 40 in 10 aie Dimensions Fig 3 PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 Paes INTEL CONTROLS 8 27 in 210 mm lt MSR PolyGard Reset lorange 1 Alarrh 2 Alarm red 2 Alarm Reset Audible PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard n a MEL CONTROLS NH SPC 1120
4. Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405
5. Low alarm relay socket 1K1 DPDT Contact set 1 of DPDT Connector 5 Connector 1 Connector 9 Contact set 2 of DPDT Connector 8 NO Connector 4 NC Connector 12 COM PolyGard is a registered trademark of MSR Phone 858 578 7887 amp 888 GO INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 SPC1120101 Fax 858 578 4633 8 888 FX INTEC www inteccontrols com Specification subject to change without notice Printed in USA 050405 User Manual PolyGard NH SPC 1120 High alarm relay socket 1K2 DPDT noe INTEL CONTROLS Contact set 1 of DPDT Contact set 2 of DPDT Connector 5 Connector 1 Connector 9 Connector 8 Connector 4 Connector 12 NO NC COM Optional low alarm time delay relay socket 1K1 DPDT Contact set 1 of DPDT Contact set 2 of DPDT Connector 6 Connector 3 NO Connector 5 Connector 4 NC Connector 8 Connector 1 COM 4 2 Wiring connection Static electricity see section 4 1 e Open the door of the enclosure e Pull cables via the conduit openings into the enclosure and connect cable leads to the appropriate terminal connectors PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Specification subject to change without notice Printed in USA 050405 U
6. in case of loss of supply voltage or sensor failure Analog output The 1 5 VDC output is linear and represents the range of 0 300 ppm actual sensor proportional value This signal can be used with any external DDC PLC control or automation system Test button With this button pushed it simulates the maximum gas concentration Low and high alarms will be activated and the display will show the maximum value PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 pues NEC CONTROLS Manual override of low alarm relay Manual switch for Auto or On function of the relay 1K1 R1 Switch position Auto alarm relay 1K1 normal operation On alarm relay 1K1 manually on Caution Replacement sensor elements which are not bias types are shipped with a tiny spring of wire shorting the sensor and reference electrodes This spring MUST BE REMOVED prior to installing the element into the sensor assembly Optional Display 3 5 digits display of concentration LED power green Power on and normal operation red Failure operation LED alarm orange Low alarm level active red Low and high alarm level active Button Reset 2 Alarm Reset high alarm when re
7. or system failure R4 is closed Recommended Twisted shielded wire for 1 5 VDC output signal e Grounded housing PolyGard is a registered trademark of MSR 1F1 right hand fuse block terminal ruse ruse gt j1F1 Be gt 11F2 Add wire and connect between AC neutral N leftside of power terminal block and X2 terminal 4 of motherboard Power H 4 Terminal N x Block X1_ Pg SPC1120101 Phone 858 578 7887 amp 888 GO INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 Fax 858 578 4633 amp 888 FX INTEC www inteccontrols com Specification subject to change without notice Printed in USA 050405 User Manual PolyGard NHs SPC 1120 Peet INEC CONTROLS Assembly Fig 2 8 27 in 210 mm 6 70 in 170 mm Low Alarm Standard Relay 1K1 R1 High Alarm Standard Relay 1K2 R2 con co COIL COIL Wire Track O Power OH Terminal O N 171 O Block X10 G Transformer Fuse 1F1 4011MWSH 1 6 A Fuse 1 6 A SO we 15 24 24 VDC VAC VDC 9 06 in 230 mm 0 2 in 5 mm 0 2 in 5 mm Mounting hole Mounting hole
8. point with potentiometer R32 on the displayboard until the digital display reads 0 ppm PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 eT NEC CONTROLS 5 5 Motherboard jumper selection table Element Function g Factory Set 1 5 VDC signal for external use X Jumper JP1 1 5 VDC not used x O i Relay R3 will be active with low alarm x Jumper JP3 Relay R3 will be active with high alarm eae co Jumper JP4 Relay R3 will be not active x Jumper JP5 System fail tivates high al ystem failure also activates high alarm Jumper JP9 i System failure does not activate high alarm X High al ithout latch functi 1 2 igh alarm without latch function Jumper JP12 High alarm with latch function 2 3 With optional digital displ X ith optional digital display Jumper J Without optional digital display x Switching diff tial of low tri tpoint 49 1 2 witching differential of low trip setpoint 4 Jumper JP6 Switching differential of low trip setpoint 10 2 3 Switching diff tial of high trip setpoint 49 1 2 witching differential of high trip setpoint 4 Jmberdes Switching differential of high trip setpoint 10 2 3
9. 3 ppm Repeatability 2 ppm Long term output drift lt 0 4 signal loss month Response time Tso lt 40 sec Sensor life expectancy 1 2 years normal operating environment Sensor cove rage 2 000 3 000 sq ft Installation Location Mounting height 1 foot below ceiling Relay outputs Low alarm 1K1 DPDT 10 A optional time delay relay 10 A potential free 250 VAC High alarm 1K2 DPDT 10 A potential free 250 VAC max Remote alarm R3 SPST 5 A potential free 250 VAC max Fail safe R4 SPST 5 A potential free 250 VAC max Type of Control General Two stage low and high alarm Trip setpoints Trip setpoints Low alarm 35 ppm NHs factory calibrated user adjustable High alarm 75 ppm NHs factory calibrated user adjustable Switching differential 4 or 10 of sensing range selectable Analog output signal 1 5 VDC for external controller the controller s analog input must provide isolation for the 1 5 V DC signal load gt 50 kOhm Audible alarm 90 dB enabled or disabled selectable Visual Indications and Reset Push Buttons optional Digital display 3 5 digit ppm reading Power operating status LED Green power on Red failure Alarm status LED Orange low alarm Red high alarm Reset 2 alarm button LED on w high alarm on only w latched relay configuration Reset au
10. C Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 pida NEL CONTROLS Ammonia NH3 gas detection and control system 1 General Overview The PolyGard NH3 analog single point controller is used for detection of ammonia in the ambient air to warn of the presence of ammonia gas and to control ventilation systems 2 Description Gas sensing The sensor portion of the PolyGard NH3 analog single point controller is a micro fuel cell which is completely sealed The measurement is a gas in liquid chemical reaction rather than a surface area measurement With no surface area to coat this sensor retains its sensitivity to ammonia even after prolonged exposure to clean air The cell consists of a diffusion barrier O ring seal electrolyte reservoir and three electrodes sensing counter and reference The target gas ammonia enters the cell through a diffusion barrier The chemical process of the measurement is one of oxidation where one molecule of the target gas is exchanged for one molecule of oxygen The reaction drives the oxygen molecule to the counter electrode generating a DC microampere signal between the sensing and counter electrodes This signal is linear to the volume concentration of the sensed gas rather than the partial pressure The integrated two wire transformer converts this DC microamper
11. IMEC CONTROLS PolyGard SPC 1120 Ammonia NH3 gas detection and control system serial no SPC 1120 0 00 0 User Manual Preliminary Edition April 05 2005 PolyGard is a registered trademark of MSR Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com SPC1120101 Specification subject to change without notice Printed in USA 050405 User Manual PolyGard NH SPC 1120 pies IMEC CONTROLS Ammonia NH3 gas detection and control system 1 General Overvie W ssie e ds 3 Z DI OO ais 3 3 installato a did 5 3 1 Mounting locations serseri A Es 5 3 2 MENCIOSUTO iher A A ek ee ed en ees 5 4 Electrical Connection 0 cece ccceessssssessessssssesseessessesnesssesseseessessecaessnessesaeeaeesueeaesaeesseeaeeaeessss 6 A iadaiiees isazeendnaastech sees eas uasend aa Pima s i ea tane sateen nea ia taal 6 4 2 Wiring COMMECUON 0d ad tea ew ean eee ian event 7 5 Start Up OPTA a nents 8 5 1 Settrip SetpointS safes ag ve a dec a aei pede a ete Aa 8 5 1 1 Set low and high trip setpoints with optional digital display cccecceeeeeeceeeeeeeteeseneees 8 5 2 Select switching differential of the trip SetpOints 2 cece ceeecceeeeeeeeeeeeeceeeeeeeeeeseeneeeeeeeeetetsnaees 9 5 3 Calibration ii a dees a de an ea Glas 9 5 3 1 Control span voltage CalCUlation 0 cc cece etter teeni
12. and recommendations must be followed Due to ongoing product development MSR reserves the right to change specifications without notice The information contained herein is based upon data considered to be accurate However no guarantee is expressed or implied regarding the accuracy of this data 11 11 11 11 11 1 Intended product application The PolyGard NH3 SPC 1120 single point controller is designed and manufactured for control applications for energy savings and OSHA air quality compliance in commercial buildings and manufacturing plants i e detection and automatic exhaust fan control for automotive maintenance facilities enclosed parking garages engine repair shops warehouses with forklifts fire stations tunnels etc 2 Installers responsibilities It is the installer s responsibility to ensure that all PolyGard single point controller is installed in compliance with all national and local codes and OSHA requirements Installation should be implemented only by individuals familiar with proper installation techniques and with codes standards and proper safety procedures for control installations and the latest edition of the National Electrical Code ANSI NFPA70 It is also essential to strictly follow all instructions as provided in the user manual 3 Maintenance It is recommended that the PolyGard single point controller performance check be done on a routine schedule Any performance deviations ma
13. cification subject to change without notice A 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 ee NEL CONTROLS Sensorboard Fig 6 Part no 2705014 R PO P1 JP4 e J1 JP5 e e JP1 P2 JP3 JP6 e MB1 MB2 m i JP7 e e 1 Sian 4 NH3 Board EOE O 24 VDC a measuring signal Q x1 4 20 mA X2 SESE ime Ml electro chemical sensor NHs Sensor Sach Nr 6803285 Pot PO adjustment zero point 0 ppm 4 mA Pot P1 adjustment gain measuring range 300 ppm 20 mA Pot P2 adjustment gain measuring range 1 000 ppm 20 mA Jumper JP1 measuring range selection MP1 300 ppm MP2 1 000 ppm Measuring points MP1 and MP2 4 mA 20 mV 20mA 1V PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 ee NEC CONTROLS 11 Notes and General Information It is important to read this user manual thoroughly and clearly understand the information and instructions The PolyGard single point controller must be used within product specification capabilities The appropriate operating and maintenance instructions
14. ction is N 4 nc reversed on the relay socket compared to the standard relay 3 NO 9 Common NS NO NC LowAlarm 3 1 NC Standard 7 g 5 NO Low alarm level NO NC Relay 1K1 R1 3 T standard DPDT relay 12 Common 4K1 R1 y NO NC High Alarm glcj 5 BARPA 2E Wire Track Transformer SY 4 H NC NO NC Relay 3 39 4 o 8 NO Power H Q 5 Terminal N 3 5 Block X1 G so o 9 C 2 oe gt 1F1 Fuse lt 1 NC Sa gt 1F2 Fuse 5 NO High alarm level standard DPDT relay E AA 12 Common 4K2 R2 R2 3 4 c NC OM HO ra no A X1 X2 1 be gt NO Remote strobe horn mentees D display alarm eS i 6 Common _ actuation R3 X1 Ribbon cable connection to transmitter and display factory installed x3 A iia REA Power terminal block X1 C 2 Do Remote Gray H AC hot F 8 Common fail safe R4 Blue N AC neutral 120 VAC a VAC DC x3 Green yellow G Earth ground _ Power SUPpIY G Ground shield With 24 VAC DC power supply Remove factory installed transformer 1T1 2 1 5 VDC analog output signal and transformer wires 4 to remote controller or BAS O 4 Disconnect lead wire from gt 1F2 fuse X2 block terminal and connect to Relay contact positions 1K1 R1 1K2 R2 R3 and R4 Power off as drawn Power on and no alarm condition as drawn and R4 is open Power on and alarm condition for 1K1 R1 1K2 R2 and R3 contacts are closed between common and NO and R4 stays open Power loss
15. dible button LED on wiinternal horn and or relay R3 for remote alarm is on Alarm acknowledgement reset function Low alarm auto reset High alarm auto reset or manual reset selectable PolyGard is a registered trademark of MSR Phone 858 578 7887 amp 888 GO INTEC INTEC Controls Inc P O Box 12506 La Jolla SPC1120101 Fax 858 578 4633 8 888 FX INTEC Specification subject to change without notice CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 sueo MEL CONTROLS Operating Environment Working temperature 32 F to 104 F 0 C to 40 C Storage temperature 4 F to 104 F 25 C to 40 C Humidity 15 to 95 RH non condensing Pressure range Atmospheric 10 Optional Heater built in For low temperature environment Ambient temperature 22 F to 104 F 30 C to 40 C Thermostatic control 32 F 0 C 5 F 3 C Physical Characteristics Enclosure material Steel case Enclosure color Light beige Protection NEMA 4 IP 55 Installation Wall Surface mounted Dimensions enclosure HxWxD 9 06 x 8 27 x 5 6 in 230 x 210 x 142 mm Dimensions splash guard HxDia 0 63 x 2 56 in 16 x 65 mm Cable entry 3 holes for in conduit covered Wire connection Terminal blocks screw typ
16. e for lead wire Wire size Min 24 AWG 0 25 mm max 14 AWG 2 5 mm Weight 8 8 Ibs 4 0 kg Approvals Listings unit CE VDI 2053 pending EMV Compliance 89 336 EWG relays UL Recognized CSA Certified TUV transformer UL Listed CSA Certified Warranty Two years material and workmanship PolyGard is a registered trademark of MSR Phone 858 578 7887 amp 888 GO INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 SPC1120101 Fax 858 578 4633 8 888 FX INTEC www inteccontrols com Specification subject to change without notice Printed in USA 050405 User Manual PolyGard NH SPC 1120 sue y MEL CONTROLS 10 Wiring Configuration and Enclosure Dimensions Wiring Configuration Fig 1 Low alarm level option with time delay relay instead of standard relay 8 Common ly 5 NC NC NO LowAlarm 3 Cc RTE P11 Time Delay 6 NO Low alarm level NC NO Relay 1K1 R1 3 time delay DPDT relay 1 Common 1K1 R1 Note NC NO conne
17. e signal to a standard 4 20 mA signal In some cases biasing is required to maintain a voltage differential between the reference and sensing electrode in order to facilitate the necessary reaction in the cell The transmitter electronics will provide the necessary bias voltage when configured for one of these sensor types Most sensors produce a small amount of baseline current in clean air This is adjusted out with the zero potentiometer on the transmitter This oxidation at the electrodes causes wear of the sensor Typical life for this sensor is approximately five years in normal operation This will vary somewhat from sensor to sensor with some working lifetimes less than five years and some greater than 5 years This wear also changes the characteristics of the sensor requiring periodic re calibration It is recommended that the sensor accuracy be verified every six months and recalibrated as necessary Relay output The controller output provides two 2 adjustable trip setpoints within the sensing range If the NH3 concentration exceeds any trip setpoint value the respective alarms will be activated The low or high alarm trip setpoint level correspond to the relay outputs 1K1 R1 and 1K2 R2 The output relay R3 can be assigned to either low alarm or high alarm The controller has a self diagnostic to detect any power supply voltage or sensor failures When a failure occurs it triggers relay output R4 The fail safe relay R4 will close
18. es erent ee ee nn ncc nano nn ncnn nn nn cc nn nn nn rc naar ncncnnns 9 5 4 Calibration of digital display range optional display oooonnnnnninnnnnnccnnnncocononnarcccnnnrrcrnnnnnnncn 10 5 5 Motherboard jumper Selection table ooonnnocininnnninnnnnnoccnnnanccccnnnorcccno nono ccn nn rc cn rra rca rn 11 5 6 Displayboard jumper selection table oo noooinnnnicinnnniccnnnanccccnnnonccnnn nono cc nn nrrn cnn cnannr rr rnnn 11 6 Inspection and Service ii a 12 AT 12 6 2 6 E A A A NT 12 6 3 Replacing sensor element citar ito ligeadacdsaddecadh oeaideventagvattteagasendeagsanseed 12 T Troubleshooting ista 13 Ll Diagnostics ko AA A dd 13 8 Cross sensitivity Data ooommnccnnicccconnosnnnnnncecenonccnanannnnnnnennnonennnnnannnnnnrrnnennnns 14 E A A 15 10 Wiring Configuration and Enclosure Dimensions cccccceeeeeeeees 17 11 Notes and General Information ceccescssessessesteseesesseseeseeseeseeeeeseeeeeaeeaeeaeeaeeaees 22 11 1 Intended product application oooooococcnnccnnococococcnnnononanononcnnncnnnnnnnnnnonnnnnnnnnnnnnn nn nn nenten nnannn mann 22 11 2 Installers responsibilities mnor tenine ienn een ie end 22 11 3 Maintenance eatae aa a a Mad eis ie eer ee eared 22 11 4 Limited Warranty ita A atts leet ad 22 11 5 Ret rn INSTrUCHONS trar nt eens alee deeds Ste Iaido 22 PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTE
19. gram and only performed by a trained specialist e For the 1 5 VDC analog output signal use shielded cable to avoid any influence from external interference e Recommended cable 18 AWG shielded maximum resistance 20 8 Q 1000 ft 73 Q 1000 m e Cable for power and relay outputs do not need to be shielded Power terminal block X1 Connector H 120 VAC 50 60Hz 24V AC DC without transformer Connector N 0 VAC DC Connector G Earth ground Motherboard terminal strip X2 Connector 1 1 5 VDC sensor output signal common Connector 2 1 5 VDC sensor output signal positive Connector 3 Power supply 24 VAC Connector 4 0 VAC DC Connector 5 Power supply 24 VDC 19 28 VDC Connector Note When the SPC analog output signal is conntected to an external controller the controller s analog input must provide isolation for the 1 5 VDC signal If the 1 5 VDC signal is used then remove Jumper JP1 located on the motherboard Motherboard terminal strip X3 relay output without optional time delay relay 1K1 Connector 1 2 R1 low alarm relay activates the 1K1 relay via internal wiring Connector 3 Connector 4 Connector 5 NO iG R2 high alarm relay activates the 1K2 relay via internal wiring M Connector 6 7 R3 potential free contact for remote alarming Connector 8 9 R4 potential free contact for remote fail safe alarming
20. in USA 050405 User Manual PolyGard NH SPC 1120 A NEL CONTROLS 8 Cross sensitivity Data The values given in the table are standard values They are valid only for new sensors and can range about 30 The table does not claim to be complete The sensor may also be sensitive to other gases Gas Chemical Concentration Deviation the measured symbol Test gas value ppm NH3 Chlorine Cla 10 ppm lt 1 Cyan Hydrogen HCN 25 ppm lt 5 Carbon Dioxide CO2 1 Vol lt 5 Carbon Monoxide CO 115 ppm lt 1 Methane CH4 30 Vol lt 3 Methanol CH30H 170 ppm lt 35 Sulphur Dioxide SO2 20 ppm lt 1 Sulphur Dydrogen H2S 20 ppm lt 90 Nitrogen Dioxide NO2 20 ppm lt 15 Hydrogen H2 1 Vol lt 30 PolyGard is a registered trademark of MSR SPC1120101 INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 9 Specifications noe MEL CONTROLS Electrical Power supply 120 VAC 10 20 50 60 Hz or 24 VAC DC 10 20 without built in transformer resettable 1 6 A fuse Power consumption 0 6 A 15 VA max w optional heater 1 6 A 39 VA max RFI EMI protection 5 0 W 1ft 0 31 m radiated Sensor Performance Gas detected Ammonia NH3 Sensor element Electrochemical diffusion Range 0 300 ppm factory set Accuracy
21. isplayboard Check cable connections for tight fit Failure on displayboard Replace displayboard No indication value at digital display Mode operating switch S1 on displayboard position 3 OFF Set switch in position 1 low trip setpoint 2 high trip setpoint 4 sensed value Interruption in the cable connection between motherboard and displayboard Check cable connections for tight fit Failure on displayboard Replace displayboard Cannot calibrate Interruption in the cable Check cable connections for tight fit sensorboard connection between motherboard and displayboard Sensor sensitivity too low Replace sensor Failure on sensorboard Replace sensorboard Cannot set Trip setpoint values are set too Adjust trip setpoint values again trip setpoints high see section 5 1 to 5 3 Failure on motherboard Replace motherboard Fail safe alarm Interruption of sensor cable or sensor sensitivity too low Check cable connection or if necessary replace and calibrate sensor Control span voltage lower then 200mV Recalibrate the sensor or if necessary replace sensor element PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Specification subject to change without notice Printed
22. lay is set to latched Button Reset Audible Reset internal horn and relay R3 for remote alarm Optional time delay relay for low alarm Time delay relay for delayed activation of relay 1K1 RTE P11 analog timer on delay adjustable from 0 1 min to 10 min PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 Pres IMEC CONTROLS 3 Installation Note Avoid any force e g by thumb during operation or installation on the sensor element This could destroy the element Electronics can be destroyed through static electricity Therefore do not work on the equipment without a wrist strap connected to earth ground or standing on conductive floor 3 1 Mounting locations The specific weight of ammonia is almost the same as that of air factor 0 967 Location of the SPC 1120 must conform to the layout of the area being monitored Disregard the ventilation ratio Do not mount SPC 1120 in the center of the airflow In larger rooms it might be necessary to install two or more SPC 1120 where there is not adequate air movement Do not mount in corners or directly in front of air inlets e g doors windows open ramps dampers etc In areas with undefined air movement i
23. nt via jumpers JP6 and JP8 on the motherboard either 4 or 10 differential of full transmitter range see section 5 5 motherboard jumper selection table For example with factory standard range 0 300 ppm NHs differential 10 ppm 5 3 Calibration Note If calibration is necessary the sensor element must be powered and be fully stabilized for at least 1 hour Zero adjustment After sensor warm up Min warm up 12 hours Zero point calibration 4mA e Connect digital voltmeter to test pins and at sensorboard with a range selected that will display 2 VDC max e Connect the calibration adapter to sensor element e Apply sensor element zero calibration gas 300 ml min 14 5 psi 10 or other clean air source e Wait two minutes until the signal is stable adjust signal with zero potentiometer PO until the signal is 200 mV 2 mV and stable sensorboard e Remove calibration adapter carefully by turning lightly Span adjustment Note NHs calibration gas is toxic never inhale the gas Symptoms Dizziness headache and nausea Procedure if exposed Bring into fresh air at once consult doctor e Connect calibration adapter to the sensor element e Apply sensor element span calibration gas 300 ppm NH3 300 ml min 14 5 psi 10 e Wait two minutes until the signal is stable adjust signal with span potentiometer P1 until the signal reads the appropriate mVDC 3 mV see calculation for c
24. o longer attainable when applying 300 ppm ammonia in air then the sensor element has to be replaced After the sensor element has been replaced a calibration is required Note If using a different level of span test gas ppm or different sensor range then the mV needs to be calculated 6 3 Replacing sensor element Static electricity see section 4 1 Sensor should always be installed without power applied remove fuse 1F 1 e Unplug old sensor element out from the sensorboard e Take new sensor element out of original packing and remove the shorting wire on the sensor element contacts e Plug sensor element in the connector X4 at the sensorboard Calibrate see section 5 3 PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 sue MEL CONTROLS 7 Troubleshooting 7 1 Diagnostics Trouble Reason Solution No indication of power opional with display and or test button does not function Power not applied Measure power on terminal block X1 terminal H N for 120 VAC 24 VAC DC Fuse failure Check miniature fuses 1F1 1F2 or F1 on motherboard Interruption in the cable connection between motherboard and d
25. ontrol voltage 5 3 1 and is stable sensorboard e Remove calibration adapter with a careful light turn Inspect the seating of the sensor element 5 3 1 Control span voltage calculation 800 mV x test gas concentration ppm 200 mV Sensing range NH3 ppm Example Sensing range NH3 concentration 300 ppm Test gas concentration 300 ppm Control voltage 1000 mV 800 mV x 300 ppm 200 mV 1000 mV 300 ppm PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 Pano NEL CONTROLS 5 4 Calibration of digital display range optional display Note The display range is factory set and normally does not require any field adjustment Adjustment can only be made when the sensorboard test pins MP1 and MP2 read 200 mV This represents a 0 ppm NH3 value Calibrate maximum display range of 300 ppm NH3 e Connect digital voltmeter to test pins J3 and J4 on the displayboard with a range selected that will display 300 mVDC maximum e Adjust the maximum display range voltage with potentiometer R31 on the displayboard until the signal reads 120 mVDC 1 mVDC Calibrate zero point display of O ppm NH3 e Adjust the zero
26. ser Manual PolyGard NH SPC 1120 puta NEC CONTROLS 5 Start up Operation Only trained technicians should perform the following Check mounting location Check power voltage Check and or select the appropriate jumpers for remote alarm function relay R3 see section 5 5 motherboard jumper selection table Check and or select the appropriate jumper for failure function relay R2 see section 5 5 motherboard jumper selection table Check and or select the appropriate jumper for latched function relay R2 see section 5 5 motherboard jumper selection table Check and or adjust trip setpoints for low and high alarm levels see section 5 1 motherboard potentiometers R31and R32 Check and or put switch into Auto position manual override of low alarm Verify sensor transmitter operation by mearsuring approximately 200 mV about 0 ppm NH3 on sensorboard terminal MP1 and MP2 Required instruments to start up and calibrate the SPC Test gas bottle with synthetic air Test gas bottle with 300 ppm NH3 Gas pressure regulator with flow meter to control the gas flow at 300 ml min Sensor head calibration adapter with tubing Digital voltmeter with a range of 0 2 VAC and 0 10 VDC accuracy 1 Small screwdriver Note Please observe proper handling procedures for test gas bottles 5 1 Set trip setpoints 5 1 1 Set low and high trip setpoints with optional digital display Set display jumper on displayboard into po
27. sition JP1 to JP 1 2 This will provide a display value with sign Set low trip setpoint Set mode operating switch S1 on displayboard into position 1 far left position The digital display indicates the low trip setpoint value Adjust the low trip setpoint with potentiometer R31 on the motherboard The trip setpoint value can be read on the digital display Set high trip setpoint Set mode operating switch S1 on displayboard into position 2 second position from the left The digital display indicates the high trip setpoint value Adjust the high trip setpont with potentiometer R32 on the motherboard The trip setpoint value can be read on the digital display Set mode operating switch S1 on displayboard into position 4 far right position This is the normal operating mode see Fig 5 page 18 Set display jumper on displayboard back into position JP1 to JP1 1 This provides a display value without any sign PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 Prea IMEC CONTROLS 5 2 Select switching differential of the trip setpoints Individual switching differentials can be selected per trip setpoi
28. t might be necessary to distribute several SPC 1120 in a vertical and horizontal direction over the whole area to be monitored Avoid locations where water oil etc may influence proper operation and where mechanical damage might be possible Mounting height is 5 feet to max 1 foot below ceiling Provide adequate space around SPC 1120 for maintenance and calibration work 3 2 Enclosure The door of the enclosure is lockable with supplied key 5 16 in 8 mm triangle key Use the provided template for locating position of wall mounting holes Screw the enclosure vertically on wall see Fig 2 page 18 When wiring is completed put back the wire track cover and close the door of the enclosure see Fig 1 page 17 PolyGard is a registered trademark of MSR SPC1120101 Phone 858 578 7887 amp 888 GO INTEC Fax 858 578 4633 amp 888 FX INTEC Specification subject to change without notice INTEC Controls Inc P O Box 12506 La Jolla CA 92039 www inteccontrols com Printed in USA 050405 User Manual PolyGard NH SPC 1120 noes INTEL CONTROLS 4 Electrical Connection 4 1 Instructions Note Electrostatic discharge ESD may damage electronic components During wiring open the cover only when completely grounded via grounding strap or standing on conductive floor e Connections should be made without any power applied to conductors e Installation of the electrical wiring should be according to the connection dia
29. y be serviced based on needed requirements Re calibration and part replacement may be implemented in the field by a qualified individual and with the appropriate tools Alternatively the easily removable plug in transmitter card with the sensor may be returned for service to INTEC Controls 4 Limited warranty MSR and INTEC Controls warrant the PolyGard single point controller for a period of two 2 years from the date of shipment against defects in material or workmanship Should any evidence of defects in material or workmanship occur during the warranty period MSR or INTEC Controls will repair or replace the product at their own discretion without charge This warranty does not apply to units that have been altered had repair attempted or been subjected to abuse accidental or otherwise The warranty also does not apply to units in which the sensor element has been overexposed or gas poisoned The above warranty is in lieu of all other express warranties obligations or liabilities This warranty extends only to the PolyGard single point controller MSR and INTEC Controls shall not be liable for any incidental or consequential damages arising out of or related to the use of the PolyGard single point controller 5 Return instructions If the PolyGard single point controller needs to be returned to INTEC Controls for service an RMA number must be obtained prior to sending PolyGard is a registered trademark of MSR SPC1120101
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