1
Installation, Operation & Maintenance
1. Safety & Handling
Installing, starting and servicing this equipment may
be dangerous due to system pressures, the electrical
components and the equipment installation site. Only
service mechanics and skilled and trained installers
should install, start up, and repair this equipment.
1.1. Safety
Aquasmart® 30EV / 30EX liquid chillers are designed
to provide a safe and reliable service when operated
within the design specifi cations. However, due to
system pressure, electrical components and unit
movement, some aspects of the installation, start-up
and maintenance should be observed.
When working on the equipment, read all warnings
specifi ed in the manual and on the labels affi
xed to the
unit, follow all applicable safety regulations and wear
suitable protective clothing and equipment.
AQUASMART
®
30EX / 30EV
Air Cooled Scroll Chiller
15 to 120 Nominal Tons
Introduction
The professionals involved in field installation,
initial star t-up procedures, operation and
m a i n te n a n ce o f Aq u a s m a r t ® 3 0 E V / 3 0 E X
liquid chiller units - should be familiar with the
instruction manual, and specific design data of
the installation site. The 30E units are designed to
provide a high level of safety during installation,
start-up, operation and maintenance, with proper
security and reliability, as long as it is operated
in accordance with its specifications.
This manual provides general information necessary
to familiarize you with the control system before
starting the start-up procedures. The procedures
in this manual are organized according to the
required sequence for machine installation, start-
up, operation and maintenance. Make sure you
have understood and followed all procedures and
safety precautions that are part of the machine
instructions, as well as those listed in this guide.
Table of contents
1. Safety & Handling
1.1. Safety .............................................................................................................. 1
1.2. Transportation ............................................................................................. 4
1.3. Handling ....................................................................................................... 4
1.4. Lifting ............................................................................................................. 5
1.5. Unit Receiving & Inspection .................................................................. 6
2. Nomenclature and General Technical Features ................................ 7
3. Components
3.1. Components of Inverter Unit .............................................................. 13
3.2. Components of Fixed Unit ................................................................... 13
3.3. Components Flowchart ........................................................................ 14
4. Installation
4.1. General Recommendations ................................................................. 15
4.2. Installation on Site .................................................................................. 15
4.3. Dimensions ................................................................................................. 16
4.4. Minimum Clearance Recommended for Installation. ................ 17
4.5. Data for Hydraulic Interconnection and System Water Sensors 18
4.6. Electrical Data ............................................................................................ 26
4.7. Data for Electrical Interconnection ................................................... 27
4.8. Electrical Connections ........................................................................... 29
4.9. Application Data ...................................................................................... 29
4.10. Water Connections ............................................................................... 32
5. Operation
5.1. System Confi guration ............................................................................ 33
5.2. Start-up ....................................................................................................... 34
5.3. Modbus ...................................................................................................... 43
6. Maintenance & Repair
6.1. Refrigerant Circuit Maintenance ........................................................ 48
6.2. Electrical Maintenance .......................................................................... 49
6.3. Condenser Coil ......................................................................................... 50
6.4. Water Quality - Carrier Recommendations .................................... 50
6.5. Routine Cleaning of Coil Surfaces ..................................................... 51
6.6. Removal of Closing Panels ................................................................... 52
6.7. Lubrication ................................................................................................. 53
6.8. Switchboard .............................................................................................. 53
6.9. Troubleshooting ...................................................................................... 54
Attachment I - Electrical Diagrams ........................................................... 63
Attachment II - Conversion Table R-410A .............................................. 67
Attachment III - Set Point Table ................................................................. 68
