Product data

Page 2
Installation, Operation & Maintenance Manual # 036-1009(0608)
TABLE OF CONTENTS
GENERAL
Safety considerations ................................................................ 3
Inspection .................................................................................. 3
Renewal parts ........................................................................... 3
Product nomenclature ............................................................... 4
INSTALLATION
Limitations ................................................................................ 4
Location .................................................................................... 5
Rigging and handling ................................................................ 5
Clearances ................................................................................ 5
Ductwork .................................................................................. 5
Fixed outdoor air intake damper................................................ 5
Condensate drain ...................................................................... 6
Compressors ............................................................................. 7
Filters ........................................................................................ 7
Service access .......................................................................... 7
Thermostat ............................................................................... 7
Power and control wiring .......................................................... 7
Optional electric heat ................................................................ 7
Phasing ..................................................................................... 8
Product data ............................................................................. 9
Dimensions and clearances (DMS 090, 100 & 120) .................. 10
Dimensions and clearances (DMS) 150...................................... 11
Drive and pulley data ................................................................ 12
Electrical data ........................................................................... 12
Fan performance data ............................................................... 13
Checking supply air cfm ............................................................ 14
SAFETY
Terminology .............................................................................. 14
Operational safety ..................................................................... 14
Use and Operation .................................................................... 15
Adherence to warnings ............................................................. 15
Staff training ............................................................................. 15
Use of the unit .......................................................................... 15
Recommended safety practices ................................................ 15
Applicable standards of EEC machinery directive ..................... 16
OPERATION
Sound power ratings ................................................................ 17
Volt free contact ....................................................................... 17
Sequence of operations ............................................................ 17
Cooling operation errors ........................................................... 17
High pressure limit switch ......................................................... 18
Low pressure limit switch .......................................................... 18
Freezestat ................................................................................. 18
Low ambient cooling ................................................................. 18
Safety controls .......................................................................... 18
Compressor protection ............................................................. 18
Flash codes ............................................................................... 18
Reset ......................................................................................... 19
Electric heating sequence of operations ................................... 19
Heating operation errors ........................................................... 19
START UP
Restart check list ....................................................................... 19
Operating instructions ............................................................... 19
Post start check list ................................................................... 19
Shut down ................................................................................. 19
Belt drive blower ....................................................................... 19
TROUBLE SHOOTING
Cooling trouble shooting guide ................................................. 20
Unit flash codes ........................................................................ 22
MAINTENANCE
Every month .............................................................................. 23
Every three months ................................................................... 23
Every six months ....................................................................... 23
Every twelve months ................................................................. 23
LIST OF FIGURES AND ILLUSTRATIONS
Typical unit configuration .......................................................... 3
Product nomenclature ............................................................... 4
Typical rigging ........................................................................... 5
Fixed outdoor air intake damper ............................................... 6
Condensate drain ...................................................................... 6
Loading points ........................................................................... 6
Typical field wiring .................................................................... 8
Dimensions and clearances (DMS 090, 100 & 120) .................. 10
Dimensions and clearances (DMS) 150...................................... 11
Belt adjustment ......................................................................... 14
Unit nameplate .......................................................................... 14
Motor nameplate ...................................................................... 14
Warnings ................................................................................... 15
LIST OF TABLES
Unit application data ................................................................. 4
Loading Points ........................................................................... 6
Control wire sizes ...................................................................... 7
Minimum cfm limitation ............................................................ 7
Product data .............................................................................. 9
Drive and pulley data ................................................................ 12
Electrical data ............................................................................ 12
Fan performance data ............................................................... 13
Applicable standards of EEC machinery directive ...................... 16
Sound power levels (DMS Saber units) ..................................... 17
Unit flash codes ........................................................................ 23