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11EER WA Series
Bard 11EER WA Series Installation Instructions
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11EER W
A Series
W
all Mount Air Conditioner
Models:
INST
ALLA
TION INSTRUCTIONS
W42AC-A
W42AC-B
W42AC-C
W48AC-A
W48AC-B
W48AC-C
Bard Manufacturing Company
, Inc.
Bryan, Ohio 43506
www
.bardhvac.com
Manual:
2100-692E
Supersedes: 2100-692D
Date: 3-1-21
W60AC-A
W60AC-B
W60AC-C
W72AC-A
W72AC-B
W72AC-C
W42ACDA
W42ACDB
W42ACDC
W48ACDA
W48ACDB
W48ACDC
W60ACDA
W60ACDB
W60ACDC
W72ACDA
W72ACDB
W72ACDC
2
Table of Contents
Table of Contents
2
Getting Other Information and Publications
3
Wall Mount General Information
4
Air Conditioner Wall Mount Model Nomenclature
4
Shipping Damage
4
General
4
Duct Work
5
Filters
5
Filter Removal/Installation
5
Figure 1 Front Control Panel Cover
5
Figure 2 Removing Left Filter
5
Switching Filter Sizes
6
Figure 3 Removing Second Filter
6
Figure 4 Filter Tabs in up Position
6
Figure 5 Bend Filter Tabs down
6
Figure 6 Remove Four Screws
6
Figure 7 Re-Install Filter Support Brackets into Lower Slots
6
Figure 8 Re-Install Screws and Bend Tabs up
6
Fresh Air Intake
7
Condensate Drain
7
Figure 9 Install Right 2" Filter
7
Figure 10 Install Left 2" Filter
7
Figure 11 Fresh Air Damper
7
Installation
8
Basic Installation Design and Application Planning
8
Wall Construction
8
Outdoor Area Inspection
8
Condensate Water Drainage
8
Indoor Ducted and Non-Ducted Applications
8
Indoor Supply Airflow
8
Indoor Return Airflow
8
Ducted Applications
8
Free Blow Applications
9
Thermostat or Indoor Temperature Sensor Placement
9
Unit Installation
9
Materials/Tool List
9
Wall Preparation
10
Wall Mount Installation to Wall Surface
10
Figure 12 Vent Installation/Removal Clearance Required
11
Table 1 Clearance Required for Service Access and Adequate Condenser Airflow
11
Table 2 Minimum Clearances Required to Combustible Materials
11
Figure 13 Unit Dimensions
12
Figure 14 Mounting Instructions
13
Figure 15 Electric Heat Clearance
14
Figure 16 Wall Mounting Instructions
15
Figure 17 Wall Mounting Instructions
15
Figure 18 Common Wall Mounting Installations
16
Wiring - Main Power
17
High Voltage Connections
17
Figure 19 High Voltage Connections
17
Wiring - Low Voltage
18
Low Voltage (24VAC) Connections
18
Unit Shutdown Feature
18
Balanced Climate TM Feature
18
Table 3 Additional Low Voltage Connections (if Applicable)
18
Dehumidification Feature
19
Ventilation Features
19
Low Ambient Control (LAC)
19
Outdoor Temperature Switch and Freeze Protection Thermostat
19
Alarm Relay Feature
19
DDC Controls Feature
19
Dirty Filter Switch Indicator (DFS)
19
Discharge Air Sensor
19
Airflow Switch
19
Compressor Current Sensor
19
Table 5 Wall Thermostats
20
Table 6 Humidity Controls
20
Table 7 CO 2 Controllers
20
Table 8 Thermostat Wire Size
20
Figure 20 Programmable Thermostat Connections
21
Figure 21 Non-Programmable Thermostat Connections
22
Start up
23
General
23
Topping off System Charge
23
Safety Practices
23
Important Installer Note
23
High Pressure Switch
23
Three Phase Scroll Compressor Start up Information
23
Phase Monitor
24
Condenser Fan Operation
24
Service Hints
24
Sequence of Operation
24
Balanced Climate TM Mode
24
Vent Connection Plug
25
Compressor Control Module
25
Features
25
Delay-On-Make Timer
25
Short Cycle/Delay-On-Break
25
Low Pressure Detection
25
High Pressure Detection
25
Test Mode
25
Brownout Protection with Adjustment
25
Pressure Service Ports
26
Figure 22 8201-169 Compressor Control Module
26
Service
27
Troubleshooting Nidec Selectech Series ECM Motors
27
If the Motor Is Running
27
If the Motor Is Not Running
27
Figure 23 Motor Connections
27
Model Selectech Communication Diagnostics
28
Figure 24 Motor Connections
28
Fan Blade Setting Dimensions
29
R-410A Refrigerant Charge
29
Removal of Fan Shroud
29
Figure 25 Fan Blade Setting
29
Figure 26 Fan Shroud Removal
29
Table 9 Fan Blade Dimensions
29
Table 10 Cooling Pressure - Standard Airflow
30
Table 12 Electrical Specifications W**AC
32
Setting Unit Airflow
33
Blower Speeds
33
Figure 27 Speed Taps
33
Table 13 Recommended Airflow
33
Table 14 Blower Speeds for Unit Operational Modes
33
Speed Tap 1 - Vent/Blower Only
34
Speed Tap 2 - Balanced Climate
34
Speed Tap 3 - Default lo Cooling
34
Heating
34
Speed Tap 4 - Optional MED Cooling
34
Speed Tap 5 - Optional HI Cooling
34
Dirty Filter Switch
34
Dirty Filter Switch Adjustment
34
Figure 28 Speed Taps
34
Airflow
34
Figure 29 Dirty Filter Switch and Dirty Filter Indicator Light/Reset Switch
35
Figure 30 Adjusting Filter Switch
36
Table 15 Indoor Blower Performance
37
Table 16 Maximum ESP Electric Heat Only
38
Table 17 Electric Heat
38
Table 18 Vent and Control Options
39
Table 19 Optional Accessories
40
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Bard 11EER WA Series Specifications
General
Brand
Bard
Model
11EER WA Series
Category
Air Conditioner
Language
English
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