Installation - Operation - Maintenance manual (IOM)
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AIR COOLED CHILLERS & SPLIT UNITS - 1106-E
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available to third parties without the prior written agreement of Lennox.
TABLE OF CONTENTS
1 - INTRODUCTION
............................................................................................................3
PED
Declaration.........................................................................................................4
2 - WARRANTY................................................................................................................5
2.1 – Safety recommendations....................................................................................5
3 - INSTALLATION ..........................................................................................................7
3.1 - Transport .............................................................................................................7
3.2
-
Lifting...................................................................................................................8
3.3 - Lay-out and installation requirements .................................................................9
3.4 - Water connections ............................................................................................10
3.5 - Electrical connections .......................................................................................13
3.6 - Sound levels......................................................................................................13
3.7 - Connections of split units ..................................................................................13
3.8 - Ducted units installation ....................................................................................19
4 - PRELIMINARY CHECKS .........................................................................................20
4.1 - Limits .................................................................................................................20
4.2 - Refrigeration circuit checks and recommendations ..........................................20
4.3 - Hydraulic system installation ckecks.................................................................20
4.4 - Installation of external hydraulic components (supplied loose by LENNOX)....20
4.5 - Check list before start-up ..................................................................................20
5 - UNIT START-UP .......................................................................................................24
5.1 - Checks to be made during start-up...................................................................24
5.2 - Oil charge ..........................................................................................................25
5.3 - Refrigerant charge ............................................................................................25
6 - OPERATION .............................................................................................................26
6.1 - CLIMATIC™ control ..........................................................................................26
6.2 - Unit operation....................................................................................................26
7. MAINTENANCE ........................................................................................................31
7.1 - Weekly maintenance.........................................................................................32
7.2 - Annual maintenance .........................................................................................32
7.3 - Cleaning the condenser ....................................................................................33
7.4 - Compressor oil drainage ...................................................................................33
7.5 - Important ...........................................................................................................33
8 TROUBLESHOOTING - REPAIRS...........................................................................34
8.1 List of the most common problems .....................................................................34
8.2
Control
devices....................................................................................................40
8.3 Manufacturer’s recommended inspections .........................................................41
ANNEXES .........................................................................................................................47
