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MGD-100 Manual
Table of Contents
SECTION 1.
OVERVIEW ................................................................................ 5
1.1. General Information ................................................................................ 5
1.2. Technical Specifications ........................................................................ 10
SECTION 2.
2.1.
2.2.
2.3.
2.4.
2.5.
2.6.
PLACING SENSORS .................................................................. 13
Installation Warnings ............................................................................ 13
General Guidelines ................................................................................ 13
Machinery Rooms ................................................................................. 15
Refrigerated Spaces............................................................................... 16
Chillers ................................................................................................... 16
Air Conditioning (Direct Systems VRF/VRV) .......................................... 17
SECTION 3.
HOUSING DIMENSIONS .......................................................... 18
SECTION 4.
WIRING INSTRUCTIONS .......................................................... 23
4.1.
4.2.
4.3.
4.4.
4.5.
Wiring MGD-100s .................................................................................. 23
External Audible Alarm .......................................................................... 24
DC Output .............................................................................................. 24
Relays .................................................................................................... 25
Power Connection ................................................................................. 25
SECTION 5.
OPERATION AND STABILIZATION ............................................ 30
SECTION 6.
FUNCTIONAL TESTS AND CALIBRATION .................................. 32
6.1.
6.2.
6.3.
6.4.
6.5.
6.6.
6.7.
Introduction .......................................................................................... 32
Electrical Reset ...................................................................................... 34
Bump Testing ......................................................................................... 35
Calibration Overview ............................................................................. 38
Calibration Options ............................................................................... 38
Sensor Board Exchange ......................................................................... 38
On-Site Gas Calibration ......................................................................... 39
SECTION 7.
TROUBLESHOOTING ............................................................... 41
DECLARATION OF CONFORMITY .................................................................... 43
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6109-9000 Rev 4