System Sensor PDRP-1001 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

Ir a la página of

Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones System Sensor PDRP-1001. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica System Sensor PDRP-1001 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual System Sensor PDRP-1001 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales System Sensor PDRP-1001, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones System Sensor PDRP-1001 debe contener:
- información acerca de las especificaciones técnicas del dispositivo System Sensor PDRP-1001
- nombre de fabricante y año de fabricación del dispositivo System Sensor PDRP-1001
- condiciones de uso, configuración y mantenimiento del dispositivo System Sensor PDRP-1001
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de System Sensor PDRP-1001 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de System Sensor PDRP-1001 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico System Sensor en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de System Sensor PDRP-1001, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo System Sensor PDRP-1001, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual System Sensor PDRP-1001. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    PDRP -1001 Series Deluge - Preaction Control Pa n e l Instruction Manual 3825 Ohio A venue St. Charles, IL 60174 1-800-SENSOR2 Fax: (630) 377-6495 PN 50734:D0 ECN 0 0-543 Document 50734 I56-933-01 04/06/2001 Rev: D[...]

  • Página 2

    Lim W arLg.p65 01/10/2000 An automatic fire alarm system –typically made up of smoke detectors, heat detectors, manual pull stations, audible warn- ing devices, and a fire alarm control with remote notification capability–can provide early warning of a developing fire. Such a system, however, does not assure protection against property damage o[...]

  • Página 3

    Lim W arLg.p65 01/10/2000 WARNING - Several different sources of power can be con- nected to the fire alarm control panel. Disconnect all sources of power before servicing. Control unit and associated equip- ment may be damaged by removing and/or inserting cards, modules, or interconnecting cables while the unit is energized. Do not attempt to inst[...]

  • Página 4

    NFPA Standards 4 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 NFP A Standards This control panel complies with the fo llowing NFP A standards: •N F P A 1 3 - Sprin kler Systems •N F P A 1 5 - W ater Spray Systems •N F P A 1 6 - Foam-W ater Deluge Systems a nd Foam-W ater Spray Systems • NFP A 72 - Central Stat ion Signaling Sy stems (A[...]

  • Página 5

    Table of Contents PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 5 T able of Contents NFPA Standards..................... ............ .............. .............. ........... .............. .............. ...... 4 NFPA Standards ............... .............. ............ .............. .............. ........... .............. ...... 4 Underw[...]

  • Página 6

    Table of Conten ts 6 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Setup and Configuration... .............. .............. ........... ............... .............. ........... ..... 25 Transmitter Module - 4XTM ................ .............. .............. ............ .............. .. 25 Zone Relay Module - 4XZM ............. ............[...]

  • Página 7

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 7 1. Product Description Overview The PDRP-1001 Series Deluge - Preact ion Control System has been desi gned as a control center for use in single- and dual-hazard deluge an d preaction applications. The panel is a feature-packed control unit suitable to perform detection and control functions assoc[...]

  • Página 8

    1. Product D escription Circuits 8 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Circuits Input Circuits Initiating D evice Circuit #1 (St yle B/D) Initiating D evice Circuit #2 (St yle B/D) W aterflow (Style B/D) Supervisory (Style B/D) Output circuits NAC 1 - Alarm/W aterflow (Style Y/Z) NAC 2 - W aterflow/Supe r visory (Styl e Y/Z) Releasing[...]

  • Página 9

    Control Panel 1. Product Description PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 9 Control Panel Figure 1 Control Pane l SW1 TB1 TB2 TB 3 TB4 JP1 GEN AL M2 SUPV 1 SUPV 2 GEN AL M1 J4 J5 J7 J8 OPT1 OPT2 J10 J3 J9 J2 AMP J1 TB5 OUT#1 B+ A+ A– B– OUT#3 B+ B– OUT#4 B+ B– OUT#2 B+ A+ A– B– IN #1 B+ A+ A– B– IN #2 B+ A+ A– B– IN[...]

  • Página 10

    1. Product D escription DIP Switch Functions 10 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 DIP Switch Functions The table below describes th e DIP switch functions. For a more detai led explaination see "Setting Mode of Operation" on p age 28. Options Three optional modu les are available for use o n the control panel. Th e control[...]

  • Página 11

    Options 1. Product Description PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 11 Remote Annunciator - RZA-4X The Remote Annunciator mounts on a standard single-g ang box, and provides LED indication of the same functi ons as the Zone Relay Module. • Alarm/Alarm Pressure (red) • Alarm Pressure/Aux Supervis ory (red) • Releasing Circuit 1 (r[...]

  • Página 12

    1. Product D escription Specifications 12 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Specifications AC Power PDRP-1001 and PDRP-10 01A: 1 10/120 V A C, 50/60 Hz, 1.2 amps PDRP-1001E: 220/240 V AC, 50/60 Hz, 0.6 amps W i re size: minimum #14 A WG wi th 600V insulation Battery (lead acid only) Maximum Charging Circuit: 27.6V , 1.5 amps Maximum[...]

  • Página 13

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 13 2. Installation Cabinet Mounting Carefully unpack t he system and check for shipping damage. Select a suitable location in a cl ean, dry , vib ration-free environment that is not subject to extreme temperatures. Locate the top of th e cabinet approximately five feet above the floor w ith the hing[...]

  • Página 14

    2. Installation Cabinet Mounting 14 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 The figure below shows t he exterior dimensio ns and mounting h ole locations fo r the cabinet backbox and dimensions of the optional trim ring: Figure 2 Cabinet Mounting Dimensio ns Reinstallation of Circuit Board Reinstall the printed circuit board as follows: S[...]

  • Página 15

    Installing Option al Voltmeter/Amme ter 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 15 Installing Optional V oltmeter/Ammeter T o monit or battery voltage and batte ry charging current, a 4XMM Meter Mod ule is required. T o install the power meter module follow th e steps below: The figure below shows the mounting locati on an[...]

  • Página 16

    2. Installation Power Connections 16 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Power Connections W ARNING: Do not apply any type power to this control panel until all connections have been made and verified. AC Connections Disconnect (open) the circuit br eaker in the AC main breaker pa nel and tag it “Out of Service”. Note: Refer to &q[...]

  • Página 17

    Power-limited Wiri ng Requirements 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 17 Observe polarity when connecting t he batteries. Connect the b attery cable (p/n 75203 or 752 02, depending on terminal size of b attery) to terminal J9 on t he main circuit board using the plug-i n connector provided. Connect red wire to positiv[...]

  • Página 18

    2. Installation Initiating Device Circuits 18 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Initiating Device Circuits The control panel provides four (4) In itiating Device Circuits (#1, #2, #3 and #4) and they m ay be configured as either Style D (Class A) or Style B (Class B). Initiating devices include: Heat, Ph otoelectric and Ionization t[...]

  • Página 19

    Initiating Device Circuits 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 19 Four-Wire Smoke Detector Connections A maximum of 200mA is available from the 24VDC Resettab le Power circuit on TB1 (+24VR terminals). Any power that is drawn from the 24VDC Nonresettable Power on TB2 (+24VNR terminal) mu st be subtracted from available[...]

  • Página 20

    2. Installation Output Circuits 20 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Output Circuits Notification Appliance Circuits The control panel provides two Style Z (Class A) or Style Y (Class B) Notification Appliance Circuits, which are supervised and power-lim ited. Each circuit is capable of 1.5 am ps of current. T otal current drawn fro[...]

  • Página 21

    Output Circuits 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 21 Releasing Circuits CAUTION: To prevent accidential discharg e, connect releasing devices after initial panel tests are completed. The control panel provides two Style Y (Class B) Releasing Circuits, which are nonpower-limited. Note: All wiring must follow the requi[...]

  • Página 22

    2. Installation Powering External Devices 22 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Alarm Relay Circuit One Form-C dry contact alarm relay is provided in the basic panel for controll ing supplementary devices. Contacts are rated 2 amps at 30 VDC and 0.5 amps at 30 V AC (resistive) and are non-silenceable when an alarm occurs. T rouble Re[...]

  • Página 23

    Optional Modules 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 23 Optional Modules Overview The control panel has two modul e connectors - J5 (upper position) and J8 (lower position). Three mo dules are available for the panel and they can be used in any combination, inclu ding duplicate modules. Th e corresponding option jumper[...]

  • Página 24

    2. Installation Optional Modules 24 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Installation - Lower Position T o install eith er the 4XTM, 4XZM or 4XLM module in the lo wer position follow these instructions: Figure 14 Module Installati on - Lower Position Step Action 1 Cut jumper ‘OP T2’ on main circuit board. 2 Remove the lower-right s[...]

  • Página 25

    Optional Modules 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 25 Setup and Configuration Transmitter Module - 4XTM Connect a Remote Alarm circuit, Re mote Trouble circuit or a Municipal Box to the Transmitter Module as shown below . Polarit ies shown in activated positions. Note: Dummy load termin als 6 and 7 (4.7K, 1/4 W re si[...]

  • Página 26

    2. Installation Optional Modules 26 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Zone Relay Module - 4XZM Note: The P AR-3 includes one (1) Zone Relay Module ( 4XZM). Relay #1 through #4 on thi s module will activate with outputs #1 t hrough #4. For non-latching (silenceable) relay operation, cut the jumper “LA TCH”. If this jumper is left[...]

  • Página 27

    Optional Modules 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 27 LED Interface Module - 4XLM Connect the terminals on TB1 of th e LED Interface M odule to the correspon ding terminals of the RZA- 4X Remote Annunciator . Make wiring connections with system power off. Maximum wire impedance is 50 ohm per wiring connection. The wi[...]

  • Página 28

    2. Installation Setting Mode of Operation 28 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Setting Mode of Operation Select operati ng mode by setting th e SW1 DIP switches as described bel ow . After any changes are made to the confi guration of the switches, the panel mu st be reset. For Canadian use, refer to "Sprinkler Supervisory Trac[...]

  • Página 29

    Setting Mode of Operation 2. Installation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 29 Discharge Timer Select the desired discharge timer setting by setting DIP Switches 3, 4 and 5 accordingly . • For NFP A 13 and 1 5 applications t imer must be set to “Di sabled”. • For NFP A 16 applicat ions timer may be set to “10 Minutes” or[...]

  • Página 30

    2. Installation Power-Up Procedure 30 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Power-Up Procedure W ARNING: Prior to energizing this panel, noti fy all perso nnel and auth orities, including any personnel who may be working on , around, or near this unit. W ARNING: Battery contains sulfuric acid which can cause sever e burns to the skin an[...]

  • Página 31

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 31 3. System Operation System Status LEDs Alarm, T rouble and Supervisory LEDs will flash on and off until the event(s) has been acknowledged (TONE or ALARM SILENCE), at which point the LED will illuminate steadily . Figure 21 System Status LEDs AC Power - Green LED that illuminates steadily to indi[...]

  • Página 32

    3. System Operation Control Switches 32 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Control Switches Figure 22 Control Panel Switches T one Silence - Pressing this switch acknowledges alarms, tr oubles and supervisories. The pa nel has alarm and trouble resound with LED flash of new conditions. The flashing trouble LED(s) illum inate steadily[...]

  • Página 33

    Piezo 3. System Operation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 33 Piezo The piezo (local buzzer) generates different tone patterns for dif ferent event conditi ons: • Alarm - Generates a steady tone, no pu lse. • T rouble - Pulses one second on, one second off. Repeats 30 pulses per minute. • Supervisory - Pulses one-half second [...]

  • Página 34

    3. System Operation Last Event Recall 34 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Last Event Recall Last Event Recall allows the user to display the previous panel status. The Last Event Recall makes use of the four panel switches as follows: 1. Press and hold in the TONE SILENCE switch. 2. W ith the TONE SILENCE switch held in, pre ss (in[...]

  • Página 35

    System Events 3. System Operation PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 35 Single Zone in Alarm (Cross Zone) Condition Upon actuation of a single-zone initiating devi ce, a red alarm LED will illuminate to ind icate whether Zone 1 or Zone 2 is in alarm. In addition to th e LED, a single-zone alarm will activ ate the Alarm Relay; the pie[...]

  • Página 36

    3. System Operation System Events 36 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Notes[...]

  • Página 37

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 37 Appendix A: Secondary Power Calculations Standby Battery Requirements The Standby Battery Current obtained in the table below represents the amount of current that must be supplied by the secondary power source (batteries) to sustain control panel operation for one hour . Note: The control panel [...]

  • Página 38

    Appendix A: Secondary Power Calculations Calculating the Battery Capacity 38 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Calculating the Battery Capacity Use this table to determine the battery capacity required by the s ystem. T able 2 Amp Hour Calculations The battery charger in this panel will charge a maximum of 18 AH of batteries within [...]

  • Página 39

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 39 Appendix B: Compatible Devices T wo-wire Smoke Detectors, UL Listed Use the two-wire detectors listed below . T able 3 T wo-wire Smoke De tectors Detector Model Identifier T ype Base Model Identifier Standby Current (mA) Detectors per Zone System Sensor 1400 A I onization n/a n/a 0.10 20 System S[...]

  • Página 40

    Appendix B: C ompatible Devices Four-wire Smoke Det ectors, UL Listed 40 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Four-wire Smoke Detectors, UL Listed Use the four-wire detectors listed below . T able 4 Four-wire Smoke Detectors FM Approved Releasing De vices (System Sensor ’ s PDRP-1 0 01/PDRP-1001A/PDRP-1001E) Note: Refer to the FM app[...]

  • Página 41

    Notification Appliances, UL Listed Appendix B: Compatible Devices PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 41 Notification Appl iances, UL Listed Control panels suppling Special A pplication (FWR, Fi ltered) power must use the Notification App liances listed below . • Rated V oltage is nominal operating voltage • All currents are in mi[...]

  • Página 42

    Appendix B: C ompatible Devices Notification Appliances, UL Listed 42 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 T able 6 Notification Appliances System Sensor SP101R24M Speaker/ Strobe, 5” square grill 24VDC 125 75 System Sensor SP100W24MC Ceiling Speaker/ Strobe, 8” round grill 24VDC 125 75 System Sensor MA12/24EH Multi Alert Horn with[...]

  • Página 43

    Door Holders, UL Listed Appendix B: Compatible Devices PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 43 Door Holders, UL Listed Use the Door Holders listed below . T able 7 Door Holders 24 VDC Relays, UL Listed Use the Relays listed below . T able 8 24 V DC Relays Model T ype Current (mA) FM-980-24 Floor Mount, Single 68 FM-986-24 W all Mount, [...]

  • Página 44

    Appendix B: C ompatible Devices 24 VDC Relays, UL Listed 44 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Notes[...]

  • Página 45

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 45 Appendix C: NFP A Standard-Specific Requirements Minimum System Require ments The control panel has been designed for use in commer cial, industrial, an d institutional appl ications and meets the requirements for service under th e Nation al Fire Protection Associ ation (NFP A) Standards outline[...]

  • Página 46

    Appendix C: NFPA Standard-Specific Requirements Digital Al arm Communicator/Transmit ter - Noti-Fire 911AC 46 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Digital Alarm Communicator/T ra nsmitter - Noti-Fire 91 1AC Note: This application is not FM app roved Using the Noti-Fire 91 1AC DACT fo r connection to a Central Station Receiver or Protec[...]

  • Página 47

    Universal Digital Alarm Communicator - 411UDAC Appendix C: NFPA Standard-Specific Re quirements PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 47 Universal Digital Alarm Communicator - 41 1UDAC The following figure illustrates an example of Central Station/Remo te Station Receiver or Protected Premises Receiving Unit reporting using a 41 1UDAC. [...]

  • Página 48

    Appendix C: NFPA Standard-Specific Requirements Local Energy Municipal Box 48 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Local Energy Municipal Box Using the 4XTM T ransmitter Module for connection to a Local Energy Municipal Box. • The Municipal Box circuit supervises for ground fau lts and opens (i.e. missing wire) but not for direct sho[...]

  • Página 49

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 49 Remote Station Receiver - RS82-9 Using the 4XTM T ransmitter Module for connection to a Fire•Lite RS82-9 Remote Station Receiver . • Intended for connection to a polar ity reversal circuit of a remote station r eceiving unit having compatible r atings. • All connections are pow er-limited a[...]

  • Página 50

    Appendix C: NFPA Standard-Specific Requirements Remote Station Receiver - RS82-9 50 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 Notes[...]

  • Página 51

    PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 51 Appendix D: T esting & Maintenance Te s t i n g Inspection Perform the following prior to applying power to the system. • Check the actual wiring hookup with the wiring diagrams. • Insure that no pieces of wire have fallen into the circuitry . • Check for missing or damaged parts. Alarm[...]

  • Página 52

    Appendix D: Testing & Maintenance Troubleshooting 52 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 T able 9 T roubleshooting T able Symptom Problem Solution AC Power LED ON System trouble LED ON Circuit trouble LED ON Notification a ppl iance circuit trouble 1. Check TB2 for pr oper connections. 2. Remove all field wiring and install dummy [...]

  • Página 53

    Index PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 53 Index Numerics 110/120 VAC 12 220/240 VAC 12 411UDAC 45, 47 4XLM LED Interface Module 11, 23 4XMM Meter Module 11, 15 4XTM Transmitter Module 10, 23, 45, 48, 49 4XZM Zone Relay Module 10, 23 911AC DACT 45, 46 A AC branch circuit 47 AC power 31, 47, 51 accidential discharge 21 acknowledge 32[...]

  • Página 54

    Index 54 PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 inspection 51 interconnect wire, battery 30 Interface Module 11 interruption of circuits 34 J J1 connector 13, 14 J2 Connector 15 J3 Connector 15 J9 Connector 17 JP1 jumper 47 jumper 23, 24 LATCH 26 K keyhole 13 knockouts 13, 17 L label Protected Premises Unit 26 terminal identification 23,[...]

  • Página 55

    Index PDRP-1001 Instruction Manual PN 50734:D0 04/06/01 55 resettable power 19, 22 resistance, allowable 19 resistor 47 resound 32 reverse polarity 25 reverse polarity circuit 10 reverse polarity loop 49 RS82-9 Remote Station Receiver 45, 49 RZA-4X Remote Annunciator 11 S second alarm 35 Secondary Power 30 secondary power source 37 self-restoring 3[...]

  • Página 56

    Limited W arranty System Sensor ® warrants its products to be free from defe cts in materials and workman- ship for eighteen (18) mo nths from the da te of ma nufacture, unde r normal use and ser- vice. Products are date stamped at time of manufacture. The sole an d exclusive obligation of System Sensor ® is to repa ir or replace, at is option, f[...]