Installation Manual

5
 Operating Temperature: 32 to 104°F (0° to 40°C )
 Operating Humidity: 0% to 95% RH non-condensing
 Power Input: 90 – 250 VAC, 1 Amp, 47 – 63 Hz, single phase
 Relay Rating (3): SPDT, 120/240 VAC, 10 A resistive
 LCD Display: 2 rows of 16 characters with backlight
 Status Indicators (LED): 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
 Wild Card (WC) Range: Variable
 Relay On Delay: 0 – 15 minutes in 1 second increments
 Relay Minimum Run Time: 0 – 15 minutes in 1 second increments
! WARNING
Use only for monitoring the gases which the sensors and equipment are designed to monitor. Failure to do so may result in exposures to gases not
detectable and result in sickness or death. For proper use, see supervisor or User Instructions, or call Macurco Technical Service.
1.4 Warranty
LIMITED WARRANTY
The Macurco DVP-120 Detection and Ventilation Control Panel is warranted to be free from defective material and workmanship for a
period of two (2) years from the date of manufacture (stamped on the unit). If any component becomes defective during the warranty
period, it will be replaced or repaired free of charge, if the unit is returned in accordance with the instructions below. This warranty does
not apply to units that have been altered or had repair attempted, or that have been subjected to abuse, accidental or 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. 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 the use of said equipment. Manufacturer or its agent’s liability shall be limited to replacement or repair as set forth above.
Buyer’s sole and exclusive remedies are return of the goods and repayment of the price, or repair and replacement of non-conforming
goods or parts.
1.5 Return information
Manufactured by Aerionics, Inc. Sioux Falls, SD
Email: [e-mail] Website: www.macurco.com
Phone: [phone]
2 Installation & Connection
Gas detection and exhaust fan control is provided by a Macurco™ DVP-120 system. System wiring includes the main power
connection for the DVP-120, 4-20mA current loop and 24VDC power connections between the remote sensors and the DVP-120, the
fan control connections and/or alarm connections from the DVP-120 to the building ventilation and automation systems. The system
configuration is entered by the user through the LCD display and keypad. The system display provides the user with the system status,
and the status of each configured sensor. In addition, all control functions of the DVP-120 may be accessed through the system display
and keypad.
! WARNING
This equipment helps monitor for the presence and concentration level of certain specified airborne gases. Misuse may produce an inaccurate
reading, which means that higher levels of the gas being monitored may be present and could result in overexposure and result in sickness or
death. For proper use, see supervisor or User Instructions, or call Macurco Technical Service.