Table Of Contents - Bard Q24A1 Installationair conditioner Instructions Manual

CONTENTS
Getting Other Information and Publications
For more information, contact these publishers: .......... 3
Q-T General Information
EC
Q-T Model Nomenclature ......................................... 4
EC
Shipping Damage ......................................................... 8
Unit Removal From Skid .............................................. 8
Handling Unit After Removal From Skid ....................... 9
General ......................................................................... 9
Minimum Installation Height ......................................... 9
Duct Work .................................................................. 11
Filters .......................................................................... 11
Fresh Air Intake .......................................................... 12
Service Light ............................................................... 12
Condensate Drain ...................................................... 12
Optional Rear Drain Kit .............................................. 12
Separate Evaporator Drain Connection ..................... 12
Installation Instructions
Mounting the Unit ....................................................... 19
Wiring - Main Power ................................................. 20
Wiring - Low Voltage Wiring ..................................... 20
Low Voltage Connections ........................................... 21
General ....................................................................... 21
Figures
Figure 1 Unit Dimensions .......................................... 7
Figure 2 Air Seal Under Unit ...................................... 8
Figure 3 Removal of Unit From Skid ......................... 8
Figure 4 Unit on Appliance Cart for Moving ............... 9
Figure 5 Installation With Free Blow Plenum .......... 10
Figure 6 Ducted Application ..................................... 10
Figure 7 Supply Duct Connections .......................... 11
Figure 8 Filter Location ............................................ 11
Figure 9 Optional Side Drain ................................... 13
Figure 10 Standard Rear Drain .................................. 13
Figure 11 Rear Drain (Top View) ............................... 13
Figure 12A Optional Rear Drain Kit ............................. 14
Figure 12B Optional Rear Drain Kit ............................. 15
Figure 12C Optional Rear Drain Kit ............................. 16
Figure 12D Optional Rear Drain Kit ............................. 17
Figure 13A Unit Mounting ............................................ 18
Figure 13B Unit Mounting ............................................ 18
Figure 14 Removing Locking Screws from Wheels ... 19
Figure 15 Component Location ................................. 20
Figure 16 Thermostat Plug Terminals ........................ 22
Figure 17 Thermostat Wiring Diagram "X" Option .... 23
Figure 18 Thermostat Wiring Diagram "A" Option .... 24
Figure 19 Thermostat Wiring Diagram "D" Option ... 25
Figure 20 Thermostat Wiring Diagram "H" Option ... 26
Figure 21 Fresh Air Damper Removal ....................... 32
Figure 22 QERV Removal ......................................... 33
Figure 23 CO Controller ........................................... 34
2
Figure 24 Control Disassembly ................................. 36
Figure 25 Winding Test .............................................. 36
Figure 26 Drip Loop ................................................... 36
Figure 27 Fan Blade Setting ...................................... 37
Manual 2100-522B
Page 2 of 38
S
tart Up
R-410A Refrgerant ......................................................... 27
Topping Off System Charge ........................................... 27
Safety Practices ............................................................. 27
Description of Standard Equipment ............................... 28
Optional CFM (Q36A1, Q42A1, Q48A1 & Q60A1 Only) 28
Important Installer Note .................................................. 28
Phase Monitor ................................................................ 28
Three Phase Scroll Compressor Start Up
Information ....................................................... 28 & 29
Compressor Control Module .......................................... 29
Adjustments ................................................................... 29
Service Hints ......................................................... 29 & 30
Mist Eliminator Service .................................................. 30
Vent Options ......................................................... 30 & 31
Sequence of Operation .................................................. 34
Optional Climate Controls Sequence
of Operation .............................................................. 34
Pressure Service Ports .................................................. 34
Troubleshooting
Troubleshooting GE ECM™ Blower Motors ............. 35-36
Fan Blade Setting Dimensions ...................................... 37
Refrigerant Charge ........................................................ 37
Pressure Chart ............................................................... 38
Tables
Table 1 Factory Built-In Electric Heat Table .............. 5
Table 2 Electrical Specifications ................................ 6
Table 3 Operating Voltage Range ........................... 20
Table 4 Wall Thermostats ........................................ 22
Table 5 Fan Blade Dimensions ............................... 37
Table 6 Indoor Blower Performance ........................ 37
Table 7 Cooling Pressure ........................................ 38