Bard W48AFDA Manuals

Manuals and User Guides for Bard W48AFDA. We have 1 Bard W48AFDA manual available for free PDF download: Installation Instructions Manual

Bard W48AFDA Installation Instructions Manual (57 pages)

11EER Wall Mount Air Conditioner

Brand: Bard | Category: Air Conditioner | Size: 2 MB

Table of Contents
2
Safety Instructions
4
ANSI Z535.5 Definitions
4
Operation
7
Instructions de Sécurité
8
Instructions de Sécurité Importantes
10
Opération
11
General Information
12
General
12
Shipping Damage
12
Additional Publications
12
Air Conditioner Wall Mount Model Nomenclature
13
Duct Work
14
Filters
14
Filter Removal/Installation
14
Figure 1 Front Control Panel Cover
14
Figure 2 Removing Left Filter
14
Switching Filter Sizes
15
Figure 3 Removing Second Filter
15
Figure 4 Filter Tabs in up Position
15
Figure 5 Bend Filter Tabs down
15
Figure 6 Remove Four Screws
15
Figure 7 Re-Install Filter Support Brackets into Lower Slots
15
Figure 8 Re-Install Screws and Bend Tabs up
15
Fresh Air Intake
16
Figure 9 Install Right 2" Filter
16
Figure 10 Install Left 2" Filter
16
Figure 11 Fresh Air Damper
16
Installation
17
Basic Installation Design and Application Planning
17
Wall Construction
17
Outdoor Area Inspection
17
Condensate Water Drainage
17
Indoor Ducted and Non-Ducted Applications
17
Indoor Supply Airflow
17
Indoor Return Airflow
17
Ducted Applications
18
Free Blow Applications
18
Thermostat or Indoor Temperature Sensor Placement
18
Unit Installation
18
Materials/Tool List
18
Wall Preparation
19
Wall Mount Installation to Wall Surface
19
Table 1 Clearance Required for Service Access and Adequate Condenser Airflow
20
Table 2 Minimum Clearances Required to Combustible Materials
20
Figure 13 Unit Dimensions
21
Figure 14 Mounting Instructions
22
Figure 15 Electric Heat Clearance
23
Figure 16 Wall Mounting Instructions
24
Figure 17 Wall Mounting Instructions
24
Figure 18 Common Wall Mounting Installations
25
Wiring - Main Power
26
High Voltage Connections
26
Figure 19 High Voltage Connections
26
Wiring - Low Voltage
27
Low Voltage (24VAC) Connections
27
Unit Shutdown Feature
27
Balanced Climate TM Feature
27
Table 3 Additional Low Voltage Connections (if Applicable)
27
Dehumidification Feature
28
Ventilation Features
28
Low Ambient Control (LAC)
28
Outdoor Temperature Switch and Freeze Protection Thermostat
28
Alarm Relay Feature
28
DDC Controls Feature
28
Dirty Filter Switch Indicator (DFS)
28
Discharge Air Sensor
28
Airflow Switch
28
Compressor Current Sensor
28
Refrigerant Leak Detection System (RDS)
29
Table 5 Wall Thermostats
29
Table 6 CO Controllers
29
Table 7 Thermostat Wire Size
29
Table 8 Humidity Controls
29
Figure 20 Programmable Thermostat Connections
30
Figure 21 Programmable Thermostat Connections
31
Figure 22 Non-Programmable Thermostat Connections
32
Start up
33
General
33
Topping off System Charge
33
Safety Practices
33
Important Installer Note
33
High Pressure Switch
33
Three Phase Scroll Compressor Start up Information
34
Phase Monitor
34
Condenser Fan Operation
34
Service Hints
34
Sequence of Operation
34
Balanced Climate TM Mode
34
Vent Connection Plug
35
Compressor Control Module
35
Features
35
Delay-On-Make Timer
35
Short Cycle/Delay-On-Break
35
Low Pressure Detection
35
High Pressure Detection
35
Test Mode
35
Brownout Protection with Adjustment
35
Pressure Service Ports
36
Figure 23 Compressor Control Module
36
Service
37
Troubleshooting Nidec Selectech Series ECM Motors
37
If the Motor Is Running
37
If the Motor Is Not Running
37
Model Selectech Communication Diagnostics
37
Figure 24 Motor Connections
37
Figure 25 Motor Connections
38
Figure 26 Motor Control Modul
38
Refrigerant Leak Detection System (RDS)
39
Why RDS
39
Sequence of Operation
39
Figure 27 Refrigerant Leak Detection System
39
Power up and Self Test
40
Normal Operation
40
Alarm State
40
Sensor Fault Mode
40
Mitigation Mode
40
Alarm Reset
40
RDS Diagnosis
40
Sensor End-Of-Life
40
Figure 28 Sensor Status LED Blink Code
40
Figure 29 Refrigerant Leak Detection System (RDS) Troubleshooting
41
Figure 30 Refrigerant Leak Detection System (RDS) Wiring Diagram
42
Fan Blade Setting Dimensions
43
R-454B Refrigerant Charge
43
Removal of Fan Shroud
43
Figure 31 Fan Blade Setting
43
Figure 32 Fan Shroud Removal
43
Table 9 Fan Blade Dimensions
43
Table 10 Cooling Pressure - Standard Airflow
44
Table 11A Electrical Specs W42AF, W48AF
45
Table 11B Electrical Specs W60AF, W72AF
46
Setting Unit Airflow
47
Blower Speeds
47
Figure 33 Speed Taps
47
Table 12 Recommended Airflow
47
Table 13 Blower Speeds for Unit Operational Modes
47
Speed Tap 1 - Vent/Blower Only
48
Speed Tap 2 - Balanced Climate
48
Speed Tap 3 - Default lo Cooling
48
Heating
48
Speed Tap 4 - Optional MED Cooling
48
Speed Tap 5 - Optional HI Cooling
48
Dirty Filter Switch
48
Dirty Filter Switch Adjustment
48
Figure 34 Speed Taps
48
Figure 35 Dirty Filter Switch and Dirty Filter Indicator Light/Reset Switch
49
Required
50
Figure 36 Adjusting Filter Switch
50
Graphs
51
Maximum ESP of Operation Electric Heat Only
53
Table 14 Maximum ESP Electric Heat Only
53
Table 15 Electric Heat
53
Table 16 Vent and Control Options
54
Table 17 Optional Accessories
55

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