Table Of Contents - Bard QW242 Installation Instructions Manual

CONTENTS
Getting Other Information and Publications
For more information, contact these publishers: ...... 4
QW General Information
QW Model Nomenclature ........................................ 5
Shipping Damage .................................................... 7
Unit Removal From Skid .......................................... 7
Handling Unit After Removal From Skid .................. 7
Removal of Wall Bracket from Shipping Location ... 8
General .................................................................... 8
Minimum Installation Height ..................................... 8
Duct Work ............................................................... 11
Filters ...................................................................... 11
Condensate Drain ................................................... 11
Mist Eleminator Service ......................................... 13
Installation Instructions
Mounting the Unit .................................................. 16
Wiring - Main Power ............................................. 19
Wiring - Low Voltage Wiring ................................. 19
General .................................................................. 19
Low Voltage Connections ...................................... 20
Start Up
Description of Standard Equipment ....................... 24
Compressor Control Module .................................. 24
Adjustments ........................................................... 24
Optional CFM ........................................................ 25
Important Installer Note ......................................... 25
Phase Monitor ....................................................... 25
Service Hints ......................................................... 25
Sequence of Operation .......................................... 25
Pressure Service Ports .......................................... 26
Pressure Tables ................................................ 29-30
Optional Accessories ............................................. 31
Manual 2100-419E
Page 2 of 48
Closed Loop (Earth Coupled
Ground Loop Applications)
Circulation System Design .................................... 32
Copper Water Coil Application ............................... 32
Start Up Procedure for Closed Loop System ......... 33
Open Loop (Well System Applications)
Water Connections ................................................ 35
Copper Water Coil Limitations ............................... 35
Well Pump Sizing .................................................. 36
Start Up Procedure for Open Loop System ........... 36
Water Corrosion .................................................... 37
Remedies of Water Problems ................................ 37
Lake and Pond Installations .................................. 37
Cooling Tower / Boiler Application ......................... 43
Service
Service Hints ......................................................... 43
Unbrazing System Components ............................ 43
Troubleshooting ECM Blower Motors ............. 44-45
Quick Reference Troupbleshooting Chart for
Water to Air Heat Pump .......................................... 46
Ground Source Heat Pump
Performance Report .......................................... 47-48