3RSMD-A Technical Guide
OVERVIEW ......................................................................................................................................................... 5
General Information ................................................................................................................................................ 5
Dimensions ............................................................................................................................................................. 6
INSTALLATION AND WIRING .......................................................................................................................... 7
Electrical and Environmental Requirements ........................................................................................................... 7
WIRING ............................................................................................................................................................... 8
Inputs Wiring ........................................................................................................................................................... 8
Outputs Wiring ........................................................................................................................................................ 9
INPUTS AND OUTPUTS ................................................................................................................................. 10
Map ....................................................................................................................................................................... 10
Descriptions ...........................................................................................................................................................11
SEQUENCE OF OPERATIONS ...................................................................................................................... 12
Prism 2 Conguration ........................................................................................................................................... 12
Modes of Operation .............................................................................................................................................. 13
Stage Type 105 - Digital Plus Tandem On/O Compressors ................................................................................ 14
Stage Type 107 – Tandem Digital with On/O Compressor plus Tandem On/O Compressors .......................... 16
Stage Type 200 – Tandem On/O Compressors plus Tandem On/O Compressors
plus Tandem On/O Compressors ........................................................................................................................ 18
Envelope Protection .............................................................................................................................................. 21
LCD SCREENS ................................................................................................................................................ 22
Display Screen and Navigation Keys .................................................................................................................... 22
Screens Map ......................................................................................................................................................... 23
Screen Descriptions .............................................................................................................................................. 24
Alarms Screens ..................................................................................................................................................... 27
Protected Screens ................................................................................................................................................ 29
Diagnostic Screens ............................................................................................................................................... 30
Address Screen .................................................................................................................................................... 31
TROUBLESHOOTING ..................................................................................................................................... 32
LED Diagnostics ................................................................................................................................................... 32
Suction Pressure Transducer Testing ................................................................................................................... 33
Temperature Sensor Testing ................................................................................................................................. 34
Head Pressure Transducer ................................................................................................................................... 36
TABLE OF CONTENTS