Installation and Maintenance Manual

Table of Contents
RTAC-SVX01M-EN 5
(Programmable Relays) ............... 68
Relay Assignments Using TechView .... 69
Low Voltage Wiring ................... 69
Emergency Stop .................... 69
External Auto/Stop .................. 70
External Circuit Lockout – Circuit #1 and #2
70
Ice Building Option .................. 70
External Chilled Water Setpoint
(ECWS) Option ..................... 70
External Current Limit Setpoint
(ECLS) Option ...................... 71
Chilled Water Reset (CWR) ........... 71
Communications Interface Options ..... 72
Tracer Communications Interface
Option ............................ 72
LonTalk™ Interface (LCI-C) ........... 72
Operating Principles .................... 73
Refrigeration Cycle ................... 73
Refrigerant R-134a .................... 73
Compressor .......................... 73
Condenser and Subcooler ............. 74
Expansion Valve ...................... 74
Evaporator ........................... 74
Oil System ........................... 74
Controls Interface ....................... 75
Overview ............................ 75
Controls Interface ..................... 75
DynaView Display .................... 75
Key Functions ...................... 75
Display Screens .................... 76
Modes Screen ...................... 77
Chiller Screen ...................... 81
Compressor Screen ................. 81
Refrigerant Screen .................. 81
Setpoint Screen .................... 82
Diagnostic Screen .................. 83
Power-Up ......................... 83
Display Formats ...................... 83
Units ............................. 83
Languages ......................... 83
TechView .............................83
Unit View ..........................85
Compressor Service View .............85
Status View .........................85
Setpoint View .......................85
Diagnostics View ....................86
Configuration View ..................86
Software View ......................89
Binding View .......................89
Replacing or Adding Devices ..........89
Pre-Start Checkout .......................92
Start-Up and Shutdown ..................93
Unit Start-Up .........................93
Temporary Shutdown and Restart .......94
Extended Shutdown Procedure ..........94
Seasonal Unit Start-Up Procedure .......95
System Restart After Extended Shutdown 95
Sequence of Operation .................96
Maintenance ...........................100
Weekly ..............................100
Monthly .............................100
Annual ..............................100
Refrigerant and Oil Charge Management 100
Lubrication System ...................101
Oil Sump Level Check ...............101
Condenser Maintenance ...............101
Condenser Coil Cleaning .............101
Travel Restraint ......................102
Diagnostics ............................103
Legend to Diagnostics Table ...........103
Starter Diagnostics ...................103
Main Processor Diagnostics ............108
Communication Diagnostics ...........116
Main Processor Boot Messages
and Diagnostics
......................121
Unit Wiring ............................122
Log and Check Sheet ...................124