Installation and Maintenance Manual

4 RTAE-SVX001B-EN
Table of Contents
Warnings, Cautions and Notices .......... 2
Factory Warranty Information ........... 3
Copyright ............................. 3
Trademarks ........................... 3
Revision History ....................... 3
Model Number Description ............... 6
Outdoor Unit Nameplate ............... 6
Compressor Nameplate ................ 6
Model Number Descriptions .............. 7
Unit Model Number .................... 7
Compressor Model Number ............ 8
Compressor Serial Number ............. 8
General Information ..................... 9
Unit Description ....................... 9
Accessory/Option Information ........... 9
General Data ........................... 10
Drive Cooling System ................. 11
Pre-Installation ......................... 12
Unit Inspection ..................... 12
Inspection ......................... 12
Storage ........................... 12
Installation Requirements .............. 13
Dimensions and Weights ................ 14
Weights ............................. 14
Unit Dimensions ...................... 14
Service Clearances .................... 14
Installation Mechanical .................. 15
Location Requirements ................ 15
Sound Considerations ............... 15
Foundation ........................ 15
Clearances ......................... 15
Center of Gravity ..................... 20
Isolation and Sound Emission .......... 20
Unit Isolation and Leveling ........... 20
Compressor Shipping Bolt Removal .... 23
Units with InvisiSound™ Ultimate Option
(Model Number Digit 12 = 3) .......... 23
Drainage ............................ 23
Evaporator Piping Components ....... 25
Pressure Relief Valves ..................26
Evaporator Waterside Pressure Drop
Curves
...............................27
Freeze Protection ......................29
Low Evaporator Refrigerant Cutout,
Glycol Requirements
...................30
Installation Electrical .....................31
General Recommendations .............31
Adaptive Frequency™ Drive (AFD
3
)
Capacitor Discharge ..................32
Units with Nitrogen Charge Option .....32
Installer-Supplied Components ..........32
Power Supply Wiring .................33
Control Power Supply ................34
Service Power Connection ............34
Heater Power Supply .................34
Interconnecting Wiring .................35
Chilled Water Pump Control ...........35
Programmable Relays ..................35
Relay Assignments Using Tracer™ TU ...36
Low Voltage Wiring ....................36
Emergency Stop .....................36
External Auto/Stop ...................36
External Circuit Lockout –
Circuit #1 and #2 .....................36
Ice Building Option ..................37
External Chilled Water Setpoint (ECWS)
Option .............................37
External Demand Limit Setpoint (EDLS)
Option .............................37
Chilled Water Reset (CWR) ............38
Transformer Power Rating ..............39
Communications Interface ..............39
LonTalk Interface (LCI-C) ..............39
BACnet Interface (BCI-C) ..............39
Modbus Remote Terminal Unit Interface .39
Operating Principals .....................40
Refrigeration Circuits ..................40
Refrigeration Cycle ....................40
Refrigerant R-134a .....................40