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The Multi-Zone Gas Leak Monitor
The Multi-Zone Gas Leak Monitor provides monitoring for low-level conditions of CFC, HCFC, HFC and Ammonia refrigerant gases used in most commercial refrigerant systems. This state-of-the-art product leads the industry in performance, cost of ownership, integration capabilities and cost.
Features & Benefits
- Proprietary infrared sensing technology virtually eliminates false alarms and extends sensor life
- No calibration required
- Low detection limits enable leaks to be found early, reducing energy and refrigerant consumption
- Fastest sampling rate with the longest sampling distance in the industry at 1,200 feet
- Large Graphic LCD for easy set-up and real-time monitoring
Multi-Zone Specifications
| Product Type |
The Multi-Zone Gas Leak Monitor is a multiple area monitoring system for low level continuous monitoring of refrigerant gases used in most commercial systems including; CFC, HCFC, HFC and Ammonia. System design supports compliance to gas monitoring requirements of ANSI/BSR ASHRAE 15-1994. |
| Gas Library |
HGM-MZ: |
CFC: R11, R12, R113, R114, R502, HFP
HFC: R404A (HP62), R407A, R407C (AC9000), R134A, R410A (AZ20),
HFC: R507 (AZ50)
HCFC: R21, R22, R23, R123, R124, R227, R500, R503, R401A (MP39), R402A (HP80), R402 (HP81), R408A, R409A, R508B (SUVA95),
R236FA, R125, R245FA, R422A, R422D, R427A
Halon: H1301, H2402, H1211
Other: FA188, FC72, N1230, HFO1234YF, R424A, R426A, R427A, R438A |
| AGM-MZ: |
Ammonia (NH3), R717 |
| CO2-MZ: |
Carbon Dioxide (CO2), R744 |
| Sensitivity |
All gases 1 ppm (R11 ± 10 ppm ± 15% of reading 0-1000 ppm) |
| Measuring Range |
HGM-MZ: |
All gases 0 to 10,000 ppm |
| AGM-MZ: |
Ammonia 25 to 10,000 ppm |
| CO2-MZ: |
Carbon Dioxide 0 to 8,000 ppm |
| Accuracy |
HGM-MZ: |
±1 ppm ±10% of reading from 0-1,000 ppm (R11, R22, R13: ±10 ppm
±15% of reading 0-1,000 ppm) |
| AGM-MZ: |
±10 ppm ±10% of reading from 0-1,000 ppm |
| CO2-MZ: |
±5 ppm ±5% of reading from 0-1,000 ppm, ±10% of reading from 1,000
to 4,000 ppm, ±15% of reading 4,000 to 8,000 ppm |
| Front Panel |
3 indicator lights
- Green = Monitor is powered on. LED glows during normal operation; flashes when unit is in warm-up mode
- Red = Alarm. LED flashes when any point has exceeded the alarm setting
- Yellow = Fault. LED flashes when there is a system fault
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| Size & Weight |
12.23" H x 13.7" W x 4.96" D / 15lbs. |
| Temperature Drift |
HGM-MZ: |
±0.8% (R134A) of reading per Degrees C between purge cycles |
| AGM-MZ: |
1.5 ppm per Degrees C between purge cycles |
| CO2-MZ: |
Less than 1 ppm per Degrees C between purge cycles |
| Coverage |
4 point standard, expandable to 16 points in 4 point increments |
| Detector Type |
Infrared Non-Dispersive |
| Sampling Mode |
Automatic or Manual (hold) |
| Re-Zero |
Auto or on Zone Change |
| Response Time |
5 to 120 seconds — depending on air line length and number of zones |
| System Noise |
Less than 40dB(A) @ 10 feet (3m) |
| Monitoring Distance |
1,200 ft. maximum for combined length of sample + exhaust tubing (each zone) |
| Conditional System |
Dual optional 4-20mAdc isolated outputs. Channel 1 = zone area, Channel 2 = PPM |
| Alarms |
Four SPDT alarm contacts are provided (rated 5 Amps at 250 volts). Three assigned to PPM level alarms, one assigned to system faults |
| Communications |
Full two-way communications with proper remote display module or building management system via RS485 MODBUS-RTU serial interface. RS-232C communications port standard |
| Power Safety Mode |
Fully automatic system reset. All programmed parameters retained |
| Operating Temp. |
32 to 122 °F (0 to 50 °C) |
| Ambient Humidity |
5% to 90% RH (non-condensing) |
| AC Power |
100 to 240 VAC, 50/60 Hz, 20 W |
| Certification |
UL 61010-1, Can/CSA 22.2 No. 61010-1 & CE Mark |
| Warranty |
2 years from date of shipment |
| Altitude Limit |
6,562 ft (2,00 m) |
Multi-Zone Remote Display
The MZ-RD Remote Display is a Multi-Zone accessory that is placed in an alternate location for the Multi-Zone with access to the diagnostics, communications and control of the unit. The MZ-RD can connect up to four Multi-Zone monitors, expanding zone coverage to 64 separate test zones.
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Ordering Information
| Part Number |
Multi-Zones |
|---|
| 3015-5043 |
Halogen gas monitor 4 zone |
| 3015-5044 |
Halogen gas monitor 8 zone |
| 3015-5045 |
Halogen gas monitor 12 zone |
| 3015-5046 |
Halogen gas monitor 16 zone |
| 3015-5047 |
Ammonia gas monitor 4 zone |
| 3015-5048 |
Ammonia gas monitor 8 zone |
| 3015-5049 |
Ammonia gas monitor 12 zone |
| 3015-5050 |
Ammonia gas monitor 16 zone |
| 3015-5356 |
CO2-MZ Carbon Dioxide Gas Monitor - 4 Zone |
| 3015-5357 |
CO2-MZ Carbon Dioxide Gas Monitor - 8 Zone |
| 3015-5358 |
CO2-MZ Carbon Dioxide Gas Monitor - 12 Zone |
| 3015-5359 |
CO2-MZ Carbon Dioxide Gas Monitor - 16 Zone |
| Part Number |
Multi-Zone Remote Displays |
| 3015-5138 | Remote Display Module |
| Part Number |
Multi-Zone Kits |
| 3015-5330 | HGM-MZ (4) zone with RD |
| 3015-5331 |
HGM-MZ (8) zone with RD |
| 3015-5332 |
HGM-MZ (12) zone with RD |
| 3015-5333 |
HGM-MZ (16) zone with RD |
| 3015-5334 |
AGM-MZ (4) zone with RD |
| 3015-5335 |
AGM-MZ (8) zone with RD |
| 3015-5336 |
AGM-MZ (12) zone with RD |
| 3015-5337 |
AGM-MZ (16) zone with RD |
| 3015-5531 |
CO2-MZ 4 Zone Monitor with Remote Display |
| 3015-5532 |
CO2-MZ 8 Zone Monitor with Remote Display |
| 3015-5533 |
CO2-MZ 12 Zone Monitor with Remote Display |
| 3015-5534 |
CO2-MZ 16 Zone Monitor with Remote Display |
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Data Sheet
