Jump to Navigation

Honeywell VA301EM Solution for Mechanical Rooms

Solution for Mechanical Rooms
VA301EM

The VA 301EM-20 acts as a controller for up to 20 remote sensors and suits a variety of gas detection system solutions for Mechanical Rooms.

Particularly configured to meet ASHRAE 15, B-52 and International Mechanical Code requirements, the VA301EM is commonly used to optimize gas detection i n mechanical and chiller rooms. A full complement of sensors (including toxic, oxygen, combustible gases and a full line of refrigerant sensors), horns, strobes and remote panels provide added flexibility to suit a variety of gas detection system solutions.

ASHRAE No 15 Mechanical Standard and B-52 Code Compliance.

The ASHRAE and B-52 security standards have been established to minimize risk and protect the safety of mechanical room personnel and the environment at large. Available in a special configuration, the VA301EM mechanical room controller has been carefully designed to meet and even exceed these rigorous standards. The VA 301EM can be configured to offer automatic fan, horn and strobe activation in addition to manual fan activation. Latching relay for manual alarm recognition, silence key for manual horn deactivation, built-in 24 Vdc outputs for horn operation, and 2 break glass switch accessories for manual alarm activation ensure optimal performance.

User Friendly
• Easy to read LCD display
• Auto-diagnostic capabilities

Economical Solution
• Cost-effective answer for installation in Mechanical Rooms locations

Flexible Operation
• Able to operate with up to 20 remote sensors at a time
• Various types of sensors available to simultaneously detect a range of different Refrigerant, Toxic and Combustible gases
• Robust and reliable RS-485 Modbus communication

Output Adaptability
• Three 24 Vdc alarm outputs and four 4-20 mA outputs

Safety Measures
• Four fully programmable relays
• Three alarm levels with built-in visual indicators and audible alarm

Beneficial Options
• Convenient stand-alone or network operation

Use Wall mounted mechanical room controller for use with Honeywell Analytics range of gas sensors. Four (4) onboard relays can be used to activate alarms or deactivate equipment
Power Requirement 22-27 Vac, 29-38 Vdc, 2A max @ 29Vdc
Size 28 x 20.3 x 7 cm (11.02 x 7.99 x 2.73 in.)
Weight 1.02 kg (2.25 lb.)
Distance Between Controller and Sensor VA301IRFS refrigerant sensors: Up to 200 ft. / 60.9 m S301D2 toxic/combustible sensors: Up to 500 ft. / 152.4 m
Visual Indicators Normal Operation
Alarm Level 1
Alarm Level 2
Alarm Level 3
Signal Tx
Failure Indication
Green LED
Red LED
Red LED
Red LED
Blinking amber LED
Yellow LED
Alarm Levels 3 with high and low setpoints
Outputs 4 DPDT relays (alarms and/or fault), buzzer
Three 24 Vdc, 250 mA (per output)
Four 4-20 mA outputs
Modbus
RFS option: 24 Vdc built-in red strobe
RFSA option: 24 Vdc built-in red strobe & 105 dBA horn
Relay Output Rating 5 A, 30 Vdc or 250 Vac (resistive load
Gases Detected Gases Detected Detection Range Operating Temperature Operating Humidity Range
VA301IRFS
R11, R12, R22, R123, R125,
R134A, R227, R245A, R404A
R407C, R410A, R507A, R508B 0-1000 ppm 0 to 40 °C (32 to 104°F) 0-95% non-condensing
Gases Detected Detection Range Operating Temperature Operating Humidity Range
VA301IRFS      
R11, R12, R22, R123, R125,      
R134A, R227, R245A, R404A,      
R407C, R410A, R507A, R508B 0-1000 ppm 0 to 40 °C (32 to 104°F) 0-95% non-condensing
Gases Detected Detection Range Operating Temperature Operating Humidity Range
S301D2      
Hydrogen Sulfide (H2S) 0-50 ppm -40 to 40oC (-40 to 104oF ) 0 - 90% RH, non-condensing
Carbon Monoxide (CO) 0-250 ppm -20 to 40oC (-4 to 104oF) 0 - 90% RH, non-condensing
Oxygen (O2) 0-25%    
Nitrogen Dioxide (NO2) 0-10 ppm -20 to 40oC (-4 to 104oF 15 - 90% RH, non-condensing
Sulfur Dioxide (SO2) 0-10 ppm -20 to 40oC (-4 to 104oF) 15 - 90% RH, non-condensing
Combustibles - Catalytic 0-100% LEL -40 to 50oC (-40 to 122oF) 0 - 80% RH, non-condensing
EC-F9-NH3      
Ammonia NH3 0-100 ppm -50 to 120 C (ATMOS) 5-100% RH
Accuracy is +/- 3 % for IFRS and D2 sensors. +/- 5 % for EC-F9 sensor
Ratings and Certifications
Certified to CAN/CSA C22.2 No. 61010-1
116662
Conforms to ANSI/UL 61010-1


Main menu 2

about seo