Bard W48AYDC Manuals

Manuals and User Guides for Bard W48AYDC. We have 1 Bard W48AYDC manual available for free PDF download: Installation Instructions Manual

Bard W48AYDC Installation Instructions Manual (50 pages)

Wall Mount Air Conditioner

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

Table of Contents
2
Safety Instructions
4
Important Safety Instructions
6
Operation
6
Instructions de Sécurité
7
Instructions de Sécurité Importantes
9
Opération
9
General Information
10
General
10
Shipping Damage
10
Additional Publications
10
Air Conditioner Wall Mount Model Nomenclature
11
Duct Work
12
Filters
12
Filter Removal/Installation
12
Figure 1 Front Control Panel Cover
12
Figure 2 Removing Left Filter
12
Switching Filter Sizes
13
Figure 3 Removing Second Filter
13
Figure 4 Filter Tabs in up Position
13
Figure 5 Bend Filter Tabs down
13
Figure 6 Remove Four Screws
13
Figure 7 Re-Install Filter Support Brackets into Lower Slots
13
Figure 8 Re-Install Screws and Bend Tabs up
13
Fresh Air Intake
14
Figure 9 Install Right 2" Filter
14
Figure 10 Install Left 2" Filter
14
Figure 11 Fresh Air Damper
14
Installation
15
Basic Installation Design and Application Planning
15
Wall Construction
15
Outdoor Area Inspection
15
Condensate Water Drainage
15
Indoor Ducted and Non-Ducted Applications
15
Indoor Supply Air Ow
15
Indoor Return Air Ow
15
Ducted Applications
16
Free Blow Applications
16
Thermostat or Indoor Temperature Sensor Placement
16
Unit Installation
16
Materials/Tool List
16
Wall Preparation
17
Wall Mount Installation to Wall Surface
17
Figure 12 Vent Installation/Removal Clearance Required
18
Table 1 Clearance Required for Service Access and Adequate Condenser Air Ow
18
Table 2 Minimum Clearances Required to Combustible Materials
18
Figure 13 Unit Dimensions
19
Figure 14 Mounting Instructions
20
Figure 15 Electric Heat Clearance
21
Figure 16 Wall Mounting Instructions
22
Figure 17 Wall Mounting Instructions
22
Figure 18 Common Wall Mounting Installations
23
Wiring - Main Power
24
High Voltage Connections
24
Figure 19 High Voltage Connections
24
Wiring - Low Voltage
25
Low Voltage (24VAC) Connections
25
Unit Shutdown Feature
25
Balanced Climate TM Feature
25
Table 3 Additional Low Voltage Connections (if Applicable)
25
Dehumidi Cation Feature
26
Ventilation Features
26
Low Ambient Control (LAC)
26
Outdoor Temperature Switch and Freeze Protection Thermostat
26
Alarm Relay Feature
26
DDC Controls Feature
26
Dirty Filter Switch Indicator (DFS)
26
Discharge Air Sensor
26
Air Ow Switch
26
Compressor Current Sensor
26
Table 5 Wall Thermostats
27
Table 6 Humidity Controls
27
Table 7 CO Controllers
27
Table 8 Thermostat Wire Size
27
Figure 20 Programmable Thermostat Connections
28
Figure 21 Non-Programmable Thermostat Connections
29
Start up
30
General
30
Topping off System Charge
30
Safety Practices
30
Important Installer Note
30
High Pressure Switch
30
Three Phase Scroll Compressor Start up Information
30
Phase Monitor
31
Condenser Fan Operation
31
Service Hints
31
Sequence of Operation
31
Balanced Climate TM Mode
31
Vent Connection Plug
32
Compressor Control Module
32
Features
32
Delay-On-Make Timer
32
Short Cycle/Delay-On-Break
32
Low Pressure Detection
32
High Pressure Detection
32
Test Mode
32
Brownout Protection with Adjustment
32
Pressure Service Ports
33
Figure 22 Compressor Control Module
33
Service
34
Troubleshooting Nidec Selectech Series ECM Motors
34
If the Motor Is Running
34
If the Motor Is Not Running
34
Figure 23 Motor Connections
34
Model Selectech Communication Diagnostics
35
Figure 24 Motor Connections
35
Fan Blade Setting Dimensions
36
R-410A Refrigerant Charge
36
Removal of Fan Shroud
36
Figure 25 Fan Blade Setting
36
Figure 26 Fan Shroud Removal
36
Table 9 Fan Blade Dimensions
36
Table 10 Cooling Pressure - Standard Air Ow
37
Table 11A Electrical Specs W42AY, W48AY
38
Table 11B Electrical Specs W60AY, W72AY
39
Setting Unit Air Ow
40
Blower Speeds
40
Figure 27 Speed Taps
40
Table 12 Recommended Air Ow
40
Table 13 Blower Speeds for Unit Operational Modes
40
Speed Tap 1 - Vent/Blower Only
41
Speed Tap 2 - Balanced Climate
41
Speed Tap 3 - Default lo Cooling
41
Heating
41
Speed Tap 4 - Optional MED Cooling
41
Speed Tap 5 - Optional HI Cooling
41
Dirty Filter Switch
41
Dirty Filter Switch Adjustment
41
Figure 28 Speed Taps
41
Figure 29 Dirty Filter Switch and Dirty Filter Indicator Light/Reset Switch
42
Figure 30 Adjusting Filter Switch
43
Graph 1 W42AY Indoor Air Ow Performance - Wet Coil
44
Graph 2 W48AY Indoor Air Ow Performance - Wet Coil
44
Graph 3 W60AY Indoor Air Ow Performance - Wet Coil
45
Graph 4 W72AY Indoor Air Ow Performance - Wet Coil
45
Table 14 Maximum ESP Electric Heat Only
46
Table 15 Electric Heat
46
Table 16 Vent and Control Options
47
Table 17 Optional Accessories
48
Ventilation Delivery
49
Ventilation Delivery
50

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Bard W48AYDC Installation Instructions Manual (50 pages)

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