26
Instruction 3015-4286
Specifications
Product Type......................... Single zone infrared monitoring system for low level continuous monitoring of
ammonia refrigerant gas used in most commercial refrigeration systems
Gas........................................ Ammonia / NH
3
/ R-717
Measuring Range.................. 25 to 10,000 ppm
Detector Type ....................... Infrared, Non-Dispersive
Coverage .............................. Single zone
Monitoring Distance .............. Up to 1,200 ft (365.7 m) maximum gas-sample line length
Front Panel ........................... 3 Indicator lights:
MONITOR ON
– Green light ON when the unit is operating normally,
or flashing during warm-up
SYSTEM FAULT
– Yellow light ON when there is a system fault
ALARM
– Red light ON when the gas level is above an alarm setting
Alarms................................... Four SPDT relays are provided rated 2 A at 250 VAC(inductive) 5 A at 250 VAC
(resistive):
three assigned to ppm level alarms – one assigned to system faults
Internal audible alarm programmable for any of the following conditions:
OFF, Any Alarm, System Fault, Leak Alarm, Spill Alarm, Evacuation Alarm, Monitor
Stopped
Sensitivity .............................. 1 ppm
Accuracy ............................... ±10 ppm from 25 to 100 ppm, or ±10% of reading from 100 to 10,000 ppm
Response Time/Flow Rate.... 0 to 180 seconds; Dependent on gas-sample line length
Warm-up Time ...................... 15 minutes
Temperature Drift.................. ±0.8% of reading per degrees C
System Noise ........................ Less than 40dB(A) at 10 ft (3 m)
Conditioned Signal................ 4
−
20 mA current loop
Power Safety Mode............... Fully automatic system reset; all programmed parameters retained
Operating Temperature......... 32 to 122°F (0 to 50°C)
Storage Temperature............
−
4 to 122°F (
−
20 to 50°C)
Ambient Humidity.................. 5 to 90% RH (non-condensing)
Altitude Limit ......................... 6,562 ft (2,000 m)
AC Power .............................. 100 to 240 VAC, 50/60 Hz
Power Consumption.............. 15 Watts
Size/Weight ........................... 7.4"H x 15"W x 3.3"D / 5 lbs.
Certification ........................... UL 61010-1; CAN/CSA 22.2 No. 61010-1
CE Mark (see inside front cover)
Warranty................................ 2 Years from date of shipment
Summary of Contents for 3015-4286
Page 16: ...12 Instruction 3015 4286 Notes ...
