Manuale d’uso / di manutenzione del prodotto DVP-120 del fabbricante Macurco
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DVP - 120 Install ation & Operating Instructions.
Revision 0.07 2 TABLE OF CONTENTS 1 INTRODUCTION ....................................................................................................................................... 5 1.1 General Information ........................................
Revision 0.07 3 Figure 3 - 4 Normal System Display ..................................................................................................................... 17 Figure 3 - 5 Sensor prompt ....................................................
Revision 0.07 4 LIST OF TABLES Table 2 - 1 Main Power Connections .................................................................................................................... 10 Table 2 - 2 Recommended Wire Gauge ..............................
Revision 0.07 5 1 INTRODUCTION 1.1 General Information The DVP - 120 Gas Detection and Ventilation Control Panel is a microcomputer based control panel used to ope rate ventilation fans based on the inputs from remotely mounted gas transducers.
Revision 0.07 6 CM-2B D C B - A + output power coil coil Exhaust Fans 120 VAC ALARM 120 VAC Power Main Fan Power STARTER RELAYS 120 VAC COILS MACURCO DVP-120 GAS DETECTION AND VENTILATION CONTROL PANE.
Revision 0.07 7 Figure 1 - 2 DVP - 120 Internal View.
Revision 0.07 8 1.4 Specifications 1 – Size: 10” x 12” x 2” (254 mm x 305 mm x 51 mm) – Weight: TBD – Enclosure : Nema 1 equivalent steel – Operating Temperature : 0° to 50 °C ( - 32 t.
Revision 0.07 9 2 Installation & Con nection 2.1 Mounting the DVP - 120 Mounting holes are provided in the DVP - 120 case at the four corners. The top two are keyhole shaped so that the panel can be hung and then the two bottom screws driven to hold the panel .
Revision 0.07 10 2.3 Main power Connection The main power cable should be routed into the bottom left conduit entry. Macurco recommends a minimum wire size of AWG18.
Revision 0.07 11 Each 8 - terminal sensor modular connector may be d isconnected from the PCB connector to ease wire installation. The terminals will accept wire from 16 to 28 AWG. To install a wire, strip back approximately 0.25 in . (6 mm) of insulation, and insert the bare wire into the terminal.
Revision 0.07 12 2.5 Relay Connection All poles of the three relays are availa ble at the modular connector J2 (see Figure 2 - 2 for details) . J2 is a 9 - position variant of the high voltage modular connector used for power input. Each terminal can accommodate a wire size 12 to 24 AWG.
Revision 0.07 13 2.6 Horn & Strobe Connection The external horn and strobe connections are availa ble at the modular connector J5 ( see Figure 2 - 3 for details ) . J5 as a 4 - position connector, similar to the sensor interface connectors. Insert this face of connector into mating connector on control circuit board.
Revision 0.07 14 2.7 Interfacing Macurco Sensors All Macurco CO, NO2 and combustible gas sensors with curr ent loop outputs may be used with the DVP - 120. Data sheets for the Macurco sensors listed in Table 2 - 8 are provided as an appendix to this manual.
Revision 0.07 15 3 Operation 3.1 Initial Operating Mode When power is first applied to the DVP - 120, a few simple tests will be performed, e.g. cycle through all status lights, and display the system name and model # ( Figure 3 - 1 ). T h e system will then proceed to normal mode, if the operating parameters have been entered.
Revision 0.07 16 3.1.2 User Interface The LCD display is used to show detailed information about the status of the control system and the configuration parameters to the user. The keypad ( Figure 3 - 3 ) is used to select the information displayed and to enter the configuration parameters, which are stored in the DVP - 120 non - volatile memory.
Revision 0.07 17 3.1.3 Normal Status Display M O N 1 0 : 2 3 R 1 O F F S 0 1 C O 5 P P M Figure 3 - 4 Normal System Display The display shows the day of the week and the time of day, in 24 - hour format.
Revision 0.07 18 A L A R M S I L E N C E D F O R 5 M I N U T E S Figure 3 - 7 Alarm Silence d message If Relay 1 has be configure d as an ALARM relay it will be turned on when an alarm condition is recognized and will be turned off when all audio indicators have been silenced.
Revision 0.07 19 When the HUSH key i s pressed, the internal buzzer will be silenced for eight (8) hours . If the horn or strobe turn on delays have not finished then they will also be silence. If the delays have finished , the HUSH key must be held for three (3) seconds in order to silence the horn and strobe.
Revision 0.07 20 3.3 Setting the System Configuration The configuration menus can be entered from norm al mode by pressing the MENU key . While in configuration mode, the user can review all configuration parameters to check the current operating conditions.
Revision 0.07 21 3.3.1 System Menu The top menu level allows the user to select: – Configure System – Configure Sensors – Configure Relays, Horn & Strobe – Configure Zones – Configure Si.
Revision 0.07 22 3.3.2.2 Set Day of Week T i m e : 2 2 : 5 5 D a y : 2 T u e s d a y Figure 3 - 19 Set Day of the week This display example shows that Tuesday is the current day of the week.
Revision 0.07 23 3.3.2.4 Enter Password P a s s w o r d * * * * Figure 3 - 21 Enter Password ? This display shows that the password is 4 digits long . When the first digit is entered, the panel will show .
Revision 0.07 24 3.3.3 Configure Sensors Submenu There is a list of parameters for each sensor in the system , either currently wired or configured but presently disconnected. The left and right cursor keys can be used to move from one sensor to another ; d oing so always goes to the first display (summary).
Revision 0.07 25 3.3.3.4 Warni ng Set Point S e n s o r 0 1 C O W a r n i n g : _ _ 5 0 p p m Figure 3 - 27 Sensor’s Warning Level The default warning levels for the sensors are: – Carbon Monoxide 50 ppm – Nitrogen Dioxide 3.
Revision 0.07 26 3.3.4 Configure Relays, Horn & Strobe Submenu There is a list of parameters for each relay in the system. The left and right cursor keys can be used to mo ve from one relay , horn or strobe to another. Doing so always goes to the first (summary) display .
Revision 0.07 27 3.3.5 Configure Horn Submenu The configuration parameters for the horn are the same as those for relay s. A horn would not normally require a minimum on time but this parameter allows a more versatile configuration. 3.3.5.1 Horn Summary H o r n 4 N o r m .
Revision 0.07 28 3.3.6 Configure Strobe Submenu The configuration parameters for the strobe are the same as those for relays. A strobe would not normally require a minimum on time but this parameter allows a more versatile config uration. 3.3.6.1 Strobe Summary S t r o b e 5 N o r m .
Revision 0.07 29 3.3.7 Configure Zones Submenu The DVP - 120 ventilation control can support up to three zones. The zone functionality makes the DVP - 120 very flexible. For example, each zone can be configured to monitor a separate set of 4 sensors and control a single relay.
Revision 0.07 30 3.3.7.3 Timed Day Selection Z 1 G r o u p 1 T i m e d D a y s : 1 W e e k d a y s Figure 3 - 43 Timer Days Selection Valid entries are: – 1 Weekdays, Monday thru Friday, (default) – 2 Weekends, Saturday and Sunday 3.
Revision 0.07 31 3.3.7.7 Rising Trip Point Z 1 G r o u p 1 N O 2 R i s i n g : 2 . 5 p p m Fi gure 3 - 48 Rising Trip Point Entry The default rising trip points are: – Carbon Monoxide 100 ppm – Nitrogen Dioxide 2.5 ppm – Combustible 2 ,000 ppm 3.
Revision 0.07 32 3.3.8 Configure Signals Submenu The DVP - 120 can drive the buzzer, horn and strobe with different sound patterns to indicate the severity of the current con ditions. These patterns are selectable by the installer using this group of submenus.
Revision 0.07 33 3.3.8.4 Alarm Strobe Signal A l a r m S i g n a l s S t r o b e : 1 C o n t i n . Figure 3 - 55 Strobe Alarm Signal This display example shows that the strobe will signal an alarm cond ition with a continuous signal.
Revision 0.07 34 S t r o b e : 5 O F F Figure 3 - 59 Strobe Warning Signal This display example shows that the strobe will not signal a warning condition.
Revision 0.07 35 3.3.8.12 Trouble Strobe Signal T r o u b l e S i g n a l s S t r o b e : 5 O F F Figure 3 - 63 Strobe Trouble Signal This display example shows that the strobe will not signal a tr ouble condition.
Revision 0.07 36 4 Troubleshooting The DVP - 120 is extensively tested at the factory to ensure reliable operation. Most problems can be traced to the set - up of configurable features and modes, system wiring or trouble with the sensors. 4.1 System Status Light Flashing The system status light (section 3.
Revision 0.07 37 4.3 No Power WARNING 120/240 VAC termin als are located within the DVP - 120, presenting a hazard to service technicians. Only qualified technicians should open the DVP - 120 case and service the internal circuits. Ensure power is removed from the DVP - 120 prior to servicing the unit.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Macurco DVP-120 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Macurco DVP-120 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Macurco DVP-120 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Macurco DVP-120 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Macurco DVP-120, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Macurco DVP-120.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Macurco DVP-120. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Macurco DVP-120 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
