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