Installation, Operation and Maintenance Manual : 036-1011(0806)
Page 2
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 ...................................... 10
Drive and pulley data.................................................. 11
Electrical data ............................................................ 11, 12
Fan performance data ................................................ 13
Additional pressure drops .......................................... 14
Checking supply air cfm ............................................ 15
SAFETY
Terminology................................................................ 15
Operational safety ...................................................... 15
Use and Operation .................................................... 16
Adherence to warnings .............................................. 16
Staff training .............................................................. 16
Use of the unit ............................................................ 16
Recommended safety practices ................................ 16
Applicable standards of EEC machinery directive...... 17
OPERATION
Sound power ratings .................................................. 18
Volt free contact.......................................................... 18
Sequence of operations ............................................ 18
Cooling operation errors ............................................ 19
High pressure limit switch .......................................... 19
Low pressure limit switch .......................................... 19
Freezestat .................................................................. 19
Low ambient cooling .................................................. 19
Safety controls............................................................ 19
Compressor protection .............................................. 19
Flash codes ................................................................ 20
Reset .......................................................................... 20
Electric heating sequence of operations .................... 20
Heating operation errors ............................................ 20
START UP
Restart check list ........................................................ 20
Operating instructions ................................................ 20
Post start check list .................................................... 20
Shut down .................................................................. 21
Belt drive blower ........................................................ 21
TROUBLE SHOOTING
Cooling trouble shooting guide .................................. 21
Unit flash codes .......................................................... 25
MAINTENANCE
Every month .............................................................. 26
Every three months
Every six months
Every twelve months
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 ...................................... 10
Addtional Pressure Drops .......................................... 14
Belt adjustment .......................................................... 15
Unit nameplate .......................................................... 15
Motor nameplate ........................................................ 15
Warnings .................................................................... 16
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.................................................. 11
Electrical data ............................................................ 11, 12
Fan performance data ................................................ 13
Applicable standards of EEC machinery directive...... 17
Sound power levels (DMS Saber units) .................... 18
Sound power levels (Standard fans) .......................... 18
Compressors, contactors & terminal numbers .......... 25
Unit flash codes .......................................................... 25