Bard QTEC QA481 Series Manuals

Manuals and User Guides for Bard QTEC QA481 Series. We have 1 Bard QTEC QA481 Series manual available for free PDF download: Installation Instructions Manual

Bard QTEC QA481 Series Installation Instructions Manual

Bard QTEC QA481 Series Installation Instructions Manual (31 pages)

PACKAGED AIR CONDITIONER

Brand: Bard | Category: Air Conditioner | Size: 0 MB

Table of Contents

Table of Contents
2
Getting Other Information and Publications
3
For more Information, Contact These Publishers
3
QT EC Model Nomenclature
4
Table 1 Factory Built-In Electric Heat Table
5
Table 2 Electrical Specifications
6
Table 2A Electrical Specifications
7
Figure 1 Unit Dimensions
8
Shipping Damage
9
Unit Removal from Skid
9
Figure 2 Air Seal on Bottom of Unit
9
Figure 3 Removal of Unit from Skid
9
Handling Unit after Removal from Skid
10
General
10
Minimum Installation Height
10
Figure 4 Unit on Appliance Cart for Moving
10
Figure 5 Installation with Free Blow Plenum
11
Figure 6 Ducted Application
11
Duct Work
12
Filters
12
Figure 7 Supply Duct Connections
12
Figure 8 Filter Location
12
Fresh Air Intake
13
Condensate Drain
13
Separate Evaporator Drain Connection
13
Figure 9 Side Drain
13
Figure 10 Optional Rear Drain
13
Service Light
14
Figure 11 Rear Drain (Top View)
14
Figure 12 Unit Mounting
14
Installation Instructions
15
Mounting the Unit
15
Figure 13 Screws in Wheels of Unit
15
Wiring - Main Power
16
Wiring - Low Voltage Wiring
16
Figure 14 Component Location
16
Table 3 Operating Voltage Range
16
Low Voltage Connections
17
General
17
Figure 15 Thermostat Plug Terminals
18
Table 4 Wall Thermostats
18
Figure 16 Thermostat Wiring Diagram "X" Option
19
Figure 17 Thermostat Wiring Diagram "A" Option
20
Figure 18 Thermostat Wiring Diagram "D" Option
21
Start up
22
Description of Standard Equipment
22
Optional CFM (QA361, QA421, QA481 and QA601 Only)
22
Important Installer Note
22
Phase Monitor
22
Three Phase Scroll Compressor Start up
22
Information
22
Service Hints
23
Mist Eliminator Service
24
Vent Options
24
Figure 19 Fresh Air Damper Removal
26
Figure 20 QERV Removal
27
Sequence of Operation
28
Optional Climate Controls Sequence of Operation
28
Pressure Service Ports
28
Troubleshooting
29
Troubleshooting Table
29
Table 5 Troubleshooting
29
Figure 21 Fan Blade Setting
30
Fan Blade Setting Dimensions
30
Refrigerant Charge
30
Table 6 Fan Blade Dimensions
30
Table 7 Indoor Blower Performance
30
Pressure Chart
31
Table 8 Cooling Pressure
31

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