Macurco DVP-120 User Instructions Download Page 35 | Manualshive

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35

This display example shows that the buzzer will signal a trouble condition with a triple tap signal. The buzzer signal definitions are:

–

1 Continuous

–

2 Intermittent, one second on at two second intervals

–

3 Double tap, two beeps at 5 second intervals

–

4 Triple tap, three short beeps at 15 second intervals (default)

–

5 Off, buzzer will not sound

3.3.8.11

Trouble Horn Signal

T r o u b l e S i g n a l s

H o r n : 5 O F F

Figure 3-61 Horn Trouble Signal

This display example shows that the horn will not signal a trouble condition. The horn signal definitions are:

–

1 Continuous

–

2 Intermittent, one second on at two second intervals

–

3 Double tap, two beeps at 5 second intervals

–

4 Triple tap, three short beeps at 15 second intervals

–

5 Off, horn will not sound (default)

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 3-62 Strobe Trouble Signal

This display example shows that the strobe will not signal a trouble condition. The strobe signal definitions are:

–

1 Continuous

–

2 Intermittent, one second on at two second intervals

–

3 Double tap, two beeps at 5 second intervals

–

4 Triple tap, three short beeps at 15 second intervals

–

5 Off, strobe will not flash (default)

4

Troubleshooting

The DVP-120 is tested at the factory for reliable operation. Most problems can be traced to the set-up of configurable features and
modes, system wiring or trouble with the sensors.

! WARNING

Do not disassemble unit or attempt to repair or modify any component of this instrument. This instrument contains no user serviceable parts, and
substitution of components may adversely affect product performance and

result in sickness or death

.

4.1

System Status Light Flashing

The system status light (section 3 Operation) is normally green indicating power is present, but will change to yellow whenever the
controlling firmware detects a Trouble condition. Possible trouble conditions are:

–

Any configured channel has less than 4 mA flowing in the current loop

–

A sensor is reporting a trouble condition

–

Any configured channel wiring is open.

–

Internal controller board problems are detected.

4.1.1

Input Channel Trouble

Any time the POWER light is yellow, the first thing the technician should consider is that one of the input channels is in trouble.
Reviewing the Sensor Status displays (using the up and down keys), should reveal which channel has a problem since the gas reading
will be replaced with the word TROUBLE. Be sure that the 4-20mA output on each sensor is set to “On”.

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Summary of Contents for DVP-120

Page 1: ...Macurco DVP 120 DVP 120M Detection and Ventilation Control Panel User Instructions IMPORTANT Keep these User Instructions for reference ...

Page 2: ...gnal Display 19 3 3 Setting the System Configuration 19 3 3 1 System Menu 20 3 3 2 Configure System Submenu 21 3 3 2 1 Set Time of Day 21 3 3 2 2 Set day of Week 21 3 3 2 3 Load Default Configuration 22 3 3 2 4 Change Password 22 3 3 2 5 Configure Sensor Type 23 3 3 2 6 Enter password 25 3 3 3 Configure Sensors Submenu 25 3 3 3 1 Sensor Summary 25 3 3 3 2 Sensor Type 26 3 3 3 3 Alarm Set Point 26 ...

Page 3: ...4 3 3 8 9 Trouble Signal Summary 34 3 3 8 10 Trouble Buzzer Signal 34 3 3 8 11 Trouble Horn Signal 35 3 3 8 12 Trouble Strobe Signal 35 4 Troubleshooting 35 4 1 System Status Light Flashing 35 4 1 1 Input Channel Trouble 35 4 1 1 1 No Sensor 35 4 1 1 2 Wrong Sensor Type 36 4 1 1 3 Sensor Trouble 36 4 1 1 4 Faulty Wiring 36 4 1 1 5 Resettable Fuse 36 4 1 2 Internal Controller Board Trouble 36 4 2 T...

Page 4: ...duction 1 1 General Information The DVP 120 exhaust fan controller in conjunction with Macurco gas transducers provides automatic controls to help maintain an acceptable environment in parking garages or other facilities The DVP 120 system is designed to meet specifications for safety in enclosed parking garages including the Uniform Building Code and OSHA 50ppm CO requirements The DVP 120 can con...

Page 5: ...ED Power ALARM warning Hush Relay 1 Relay 2 Relay 3 Audible indicator Internal buzzer 90 dBA at 1ft External Drivers 2 24VDC maximum 250 mA Carbon Monoxide CO Range 0 200 PPM Nitrogen Dioxide NO2 Range 0 20 PPM Combustible EX Range 0 50 LEL Ammonia NH3 Range 0 100 PPM Hydrogen Sulfide H2S Range 0 50 PPM Refrigerant REF Range 0 1 000 PPM Oxygen O2 Range 0 25 Carbon Dioxide CO2 Range 0 5 000 PPM Wil...

Page 6: ...0 amp loads up to 240 VAC Main power wiring should conform to national and local electrical codes and may require separate inspections and certification Contact your local building authority for further details WARNING DVP 120 may not function effectively below 32 F 0 C or above 104 F 40 C Using the equipment outside of this temperature range may adversely affect product performance and result in ...

Page 7: ...the remote mounted sensors and MRS 485 should be size AWG18 minimum for short runs Refer to Table 2 2 for recommended wire gauges The Macurco MRS 485 output is connected via a four terminal screw type connector The MRS 485 adapter is wired in the standard 2W Modbus circuit definition with selectable built in terminating resistors at the ends of the RS 485 bus The power for the MRS 485 adapter is c...

Page 8: ...or the 4 20 mA loop connection Be sure that the 4 20mA output on each sensor is set to On The sensors are connected to the control panel PCB with modular connectors two sensors per connector See Figure 2 5 for a view of a typical sensor connector Refer to Table 2 2 for wire size recommendations Figure 2 4 DVP 120 Internal View and DVP 120M with DVP 485 Modbus Adapter ...

Page 9: ...and connected to a ground terminal or chassis only at one end of the bus An RS485 MODBUS must use a balanced pair for A B and a third wire for the Common For RS485 MODBUS Wire Gauge must be chosen sufficiently wide to permit the maximum length 1000 m or 3281ft AWG 24 is always sufficient for the MODBUS Data Category 5 cables may operate for RS485 MODBUS to a maximum length of 600 m 1968 5 ft For t...

Page 10: ...referably at one point only for the entire bus Power Wire All field wiring is completed via modular connectors provided After wiring simply plug the modular connectors into the matching connectors on the MRS 485 The power connections to the remote mounted detectors should be size AWG18 minimum for short runs Since Macurco detectors are rated for operation between 12 and 24 VDC or VAC the voltage d...

Page 11: ... the latch engages Refer to Table 2 3 for recommended wire gauge vs run length for the horn strobe functions maximum 2 5 volt drop in the wire The Strobe and Horn circuits are Class 2 control circuits so Class 2 conductors should be used Wire gauge Maximum Run Length ft feet meters 24 200 61 22 340 103 20 480 147 18 850 215 Table 2 3 Wire gauge for Horn Strobe functions WARNING Immediately exit an...

Page 12: ...ilt in terminating resistors at the ends of the RS 485 bus The power for the MRS 485 adapter is connected via a two terminal screw type connector 12 to 24 VAC or 12 to 24 VDC and no polarity Note Running the Modbus cable adjacent to or in the same conduit with high voltage wires is not recommended as there may be interference from the high voltages DIP Switches and Addressing Each MRS 485 and the ...

Page 13: ... N No termination default Normal Operation The MRS 485 will monitor the 4 20 mA current output of the detector At power up and during its warm up period the 6 Series detector will communicate its sensor type over the 4 20 current output using a custom protocol The MRS 485 will automatically register each 6 Series detector as it is programmed with information about all the detectors to which it can...

Page 14: ...132 3 8 133 1 3 8 134 2 3 8 135 1 2 3 8 136 4 8 137 1 4 8 138 2 4 8 139 1 2 4 8 140 3 4 8 141 1 3 4 8 142 2 3 4 8 143 1 2 3 4 8 144 5 8 145 1 5 8 146 2 5 8 147 1 2 5 8 148 3 5 8 149 1 3 5 8 150 2 3 5 8 151 1 2 3 5 8 152 4 5 8 153 1 4 5 8 154 2 4 5 8 155 1 2 4 5 8 156 3 4 5 8 157 1 3 4 5 8 158 2 3 4 5 8 159 1 2 3 4 5 8 160 6 8 161 1 6 8 162 2 6 8 163 1 2 6 8 164 3 6 8 165 1 3 6 8 166 2 3 6 8 167 1 ...

Page 15: ...If a valid set of configuration parameters have been entered the panel will wait for all sensors to warm up During this time the display will show a count down minutes and seconds until the end of the warm up period Figure 3 2 D V P 1 2 0 V e r 1 0 7 W a r m u p 2 3 0 Figure 3 2 Warm Up display During the warm up period the keypad will be locked When the warm up period ends the LCD will start show...

Page 16: ...f each of the relays When the left or right key is used to scroll to another relay the display will remove the underlining under the sensor number and underline the relay number this indicates that the digit keys can be used to jump directly to a particular relay s status When the up or down key is again used the display will switch back to the digit keys jumping to a particular sensor MENU Key Th...

Page 17: ...indicating a gas level that is greater than the alarm or warning levels the gas reading will alternate with the words ALARM or WARNING as appropriate If a sensor fails a connection is lost or the panel itself detects a failure of its own the panel will enter TROUBLE mode and the gas reading will be replaced by the word TROUBLE the TROUBLE status condition is discussed in section 3 1 6 below 3 1 4 ...

Page 18: ...and configured to signal a warning condition they will also sound when a warning condition occurs There is a configurable delay before the horn or strobe will sound see sections 3 3 5 2 and 3 3 6 2 When the HUSH key is pressed the internal buzzer will be silenced for fifteen 15 minutes If the horn or strobe turn on delays have not finished then they will also be silenced If the delays have finishe...

Page 19: ...ne two or all three of the relays and the external horn and strobe if desired When more than one zone is controlling a relay it only takes one zone to activate the relay but all controlling zones must release the relay before it will turn off Each of the relays horn and strobe has independent turn on delays to ignore short duration transient gas signals and turn off delays to ensure minimum run ti...

Page 20: ...cator The numeric keys are used to change the particular parameter displayed The underlined character or space on each display indicates what will be changed by the digit keys The left and right cursor keys will enter the particular submenu and scroll through the items of the same type where appropriate e g enter the Configure Sensors submenu and scroll through the parameter lists for the existing...

Page 21: ...t of the hour to be entered If the second digit is not entered within five seconds the time will revert to the previous value After the second digit of the hour is entered the display will prompt for the minute entry T i m e 1 6 5 5 D a y T u e s d a y Figure 3 18 Enter Minutes In this example the hour 16 has been accepted and the panel is waiting for the minute to be entered If no digits are ente...

Page 22: ...1 Controls R1 Zone2 Controls R2 Zone3 Controls R3 Group 1 in each zone Type 1 CO Voting mode Quorum 1 Group 2 in each zone Type 2 NO2 Voting mode Quorum 1 Group 3 in each zone Type 3 EX Voting mode Quorum 1 Group 4 in each zone Type 4 NH3 Voting mode Quorum 1 Group 5 in each zone Type 5 H2S Voting mode Quorum 1 Group 6 in each zone Type 6 REF Voting mode Quorum 1 Group 7 in each zone Type 7 CO2 Vo...

Page 23: ...n the background and the message indicating that configuration was changed is delayed until user goes back to normal mode Custom Sensor Implementation Custom sensor types or wildcards can be configured with the DVP 120 There are 8 Macurco sensor types and 21 custom sensor types available Though the Macurco sensor data cannot be changed custom sensor parameters can be configured to define the senso...

Page 24: ... level and rising level It can have values between 1 and 500 when Dec is 0 50 0 when Dec is 1 and 5 00 when Dec is 2 Figure 3 21 9 Sensor Range Range is the value displayed when current measured is 20mA Figure 3 21 10 Alarm Level Alarm is the default alarm range Figure 3 21 11 Warning Level Warn is the default warning range Figure 3 21 12 Rising Trip Point Rise is the default rising level used in ...

Page 25: ...nged If the password has been lost 1 Power down the DVP 120 2 Remove the Jumper Shorting Connector from the EXT header and place the Jumper Shorting Connector onto the top two pins of the SYS header 3 Power up the DVP 120 The first display is the current password on the unit 4 Remove the Jumper Shorting Connector from the SYS header and install back onto the two bottom pins of the EXT header WARNI...

Page 26: ...nd the channel will no longer be used to control the ventilation system When a sensor s type is changed the alarm level warning level and range will be set to the default for the sensor type The following three parameters are not accessible until a sensor type of 1 2 or 3 is selected 3 3 3 3 Alarm Set Point S e n s o r 0 1 C O A l a r m 2 0 0 p p m Figure 3 27 Sensor Alarm Level The default alarm ...

Page 27: ...otice that the relay number 1 in this example is underlined This indicates that the digit keys can be used to jump to a particular relay horn or strobe The relays are numbers 1 2 and 3 the horn is number 4 and the strobe is 5 3 3 4 2 Relay Mode R e l a y 1 N o r m O f f M o d e 2 Figure 3 31 Relay Mode This display example shows that relay 1 is configured to operate in the Normally Off mode The re...

Page 28: ...d no minimum on time Notice that the horn number 4 is underlined This indicates that the digit keys can be used to jump to a particular relay horn or strobe The relays are numbers 1 2 and 3 the horn is number 4 and the strobe is 5 3 3 5 2 Horn Turn On Delay H o r n D e l a y O n m m s s 0 1 0 0 Figure 3 35 Horn Turn On Delay The default turn on delay is one minute and the maximum allowed value is ...

Page 29: ...r level The third zone can also monitor the same relays turning the last relay on as a signaling device to a live monitor station as well as turning on the external horn and strobe under the assumption that the ventilation system is not working In addition to controlling the relays based on the gas concentration each zone can have a timed function e g turn on low volume ventilation fans at 7 00 AM...

Page 30: ...erants REF 7 Carbon Dioxide CO2 8 Oxygen O2 The default Types are Group 1 in each zone Type 1 CO Voting mode Quorum 1 Group 2 in each zone Type 2 NO2 Voting mode Quorum 1 Group 3 in each zone Type 3 EX Voting mode Quorum 1 Group 4 in each zone Type 4 NH3 Voting mode Quorum 1 Group 5 in each zone Type 5 H2S Voting mode Quorum 1 Group 6 in each zone Type 6 REF Voting mode Quorum 1 Group 7 in each zo...

Page 31: ... all sensors of the specified type When the first digit of a sensor number is entered a leading zero must be entered if the number is less than ten the display will prompt to Add or Remove a sensor from the group Z 1 G r o u p 1 N O 2 A d d R e m o v e _ 0 Figure 3 46 Add Remove sensor prompt When the second digit is entered the sensor will be added or removed from the control group provided the s...

Page 32: ...ng trip point is counted If the count is greater than or equal to the quorum then the zone output s are activated If the count of sensors indicating less than or equal to the falling trip point is greater than or equal to the quorum the zone output s are de activated Activating the output s is given priority if a group has an equal number of sensors with gas readings greater than or equal to the r...

Page 33: ...s that the horn will signal an alarm condition with an intermittent signal The signal definitions are 1 Continuous 2 Intermittent one second on at two second intervals default 3 Double tap two beeps at 5 second intervals 4 Triple tap three short beeps at 15 second intervals 5 Off horn will not sound 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 54 Strobe Al...

Page 34: ...s 3 Double tap two beeps at 5 second intervals 4 Triple tap three short beeps at 15 second intervals 5 Off horn will not sound default 3 3 8 8 Warning Strobe Signal W a r n i n g S i g n a l s S t r o b e 5 O F F Figure 3 58 Strobe Warning Signal This display example shows that the strobe will not signal a warning condition The signal definitions are 1 Continuous 2 Intermittent one second on at tw...

Page 35: ... second intervals 5 Off strobe will not flash default 4 Troubleshooting The DVP 120 is tested at the factory for reliable operation Most problems can be traced to the set up of configurable features and modes system wiring or trouble with the sensors WARNING Do not disassemble unit or attempt to repair or modify any component of this instrument This instrument contains no user serviceable parts an...

Page 36: ...sue if the wiring guidelines in Table 2 2 are followed A multi meter can be inserted to check the current flow within the loop or a continuity test can be performed on all four wires between the DVP 120 and the sensor Ensure power is removed from the DVP 120 prior to removing the input or output connectors from the DVP 120 controller board Be sure that the 4 20mA output on each sensor is set to On...

Page 37: ...ble or visible First hold the HUSH key for five seconds or until the display changes to ALARM silenced for 5 minutes or other relevant message Second use the configuration menu to disable the horn or strobe if they are not being used for some other purpose 4 7 After a power failure After any power failure the user should check the system clock While system parameters are maintained in memory the s...

Page 38: ...sum Unknown Sensor exponent value Watchdog reset Loaded Factory EEPROM Settings in EEPROM Current Settings Latched sensor type different than registered sensor type Unknown sensor type because registration failed Dip Switch Settings Codes RED GREEN Alternating every 200 milliseconds indicates that MRS 485 is in programming mode and waiting for user to enter new settings using the 8 switches RED OF...

Page 39: ... otherwise The above warranty is in lieu of all other express warranties obligations or liabilities THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE ARE LIMITED TO A PERIOD OF TWO 2 YEARS FROM THE PURCHASE DATE Macurco shall not be liable for any incidental or consequential damages for breach of this or any other warranty express or implied arising out of or related to ...

Page 40: ...ignals defines the output of the Alarm Warning and Trouble Signals Buzzer Horn and Strobe as On Off Intermittent Continuous etc Note 1 The default Password is 1234 If the password has been changed and or lost Power down the unit Remove the Jumper Shorting Connector from the EXT header and place it onto the top two pins of the SYS header Power up the DVP 120 The first display is the current passwor...

Page 41: ... 5 000ppm 25 Alarm Level 200ppm 5ppm 20 75ppm 20ppm 300ppm 3 000ppm 19 5 Warning Level 100ppm 3ppm 15 50ppm 14ppm 200ppm 2 000ppm 20 0 Rising Level 35ppm 2 5ppm 10 25ppm 8ppm 100ppm 1 000ppm 20 3 Falling Level 15ppm 1 2ppm 5 10ppm 3ppm 50ppm 800ppm 20 6 Typical coverage for CO CO2 and NO2 sensors is 5 000 sq ft 464 5 sq m 900 sq ft 83 6 sq m for combustibles and other toxic gases see the User Inst...

Page 42: ...ctive in controlling the ventilation system The numeric keys are used to change the particular parameter displayed The underlined numeral or space on each display indicates what will be changed by the numeric keys The left and right arrow keys will enter the particular submenu and scroll through the items of the same type where appropriate e g enter the Configure Sensors submenu and scroll through...

Page 43: ...e A 7 Load Default Configuration When the one 1 numeral is pressed the panel will prompt for the password even if it has been entered previously If the password is entered correctly the panel will overwrite the existing configuration with the default configuration This operation is intended to restore the panel to a known basic condition if it is removed from one installation and installed in anot...

Page 44: ... is the current password on the unit 4 Remove the Jumper Shorting Connector from the SYS header and install back onto the two bottom pins of the EXT header 2 Configure Sensors Submenu 5 1 See section 3 1 Initial Operating Mode for more detail 5 2 See section 3 1 2 User Interface for more detail 5 3 See section 3 3 Setting the System Configuration for more detail 5 4 See section 3 3 3 Configure Sen...

Page 45: ...on 3 3 4 Configure Relays Horn Strobe Submenu for more detail Press Menu to display Hardware Summary x 3 Configure Relays Relay 1 R e l a y 1 N o r m O f f D e l a y O N M i n O n Figure A 17 Relay Summary Default Normally Off R e l a y 1 N o r m O f f M o d e 2 Figure A 18 Relay Mode Default Delay 1 Minute R e l a y 1 D e l a y O n m m s s 0 1 0 0 Figure A 19 Turn On Delay Default Minimum Runtime...

Page 46: ...be 5 Z o n e 1 C o n t r o l s R 1 R 2 R 3 H 4 S 5 Figure A 21 Zone Controls Configure Group 1 Sensor type enter 1 CO 2 NO2 3 Combustible 0 None Z 1 G r o u p 1 N O 2 S e n s o r T y p e 2 Figure A 22 Zone Group Type Sensor Number enter a two digit number for each sensor to be included in the group e g 01 02 03 12 from 01 through 12 Z 1 G r o u p 1 N O 2 S e n s o r s 0 2 0 4 1 1 Figure A 23 Senso...

Page 47: ...s the outputs remain in their previous state When the configuration is Voting the number of sensors in the Group indicating a value greater than or equal to the rising trip point is counted If the count is greater than or equal to the Quorum the minimum number of sensor votes in a Group needed then the zone output s are activated If the count of sensors indicating less than or equal to the falling...

Page 48: ...t e r m i t Figure A 28 Buzzer Alarm Signal Warning Signals W a r n i n g S i g n a l s H o r n 5 O F F Figure A 29 Horn Warning Signal Warn Signal Buzzer default 5 Off Warn Signal Horn default 5 Off Warn Signal Strobe default 5 Off Trouble Signals T r o u b l e S i g n a l s B u z z 4 T r i p l e Figure A 30 Buzzer Trouble Signal Trouble Signal Buzzer default 4 Triple Tap Trouble Signal Horn defa...

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