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Bard Q36A4DA Manuals
Manuals and User Guides for Bard Q36A4DA. We have
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Bard Q36A4DA manuals available for free PDF download: Installation Instructions Manual
Bard Q36A4DA Installation Instructions Manual (97 pages)
Packaged Air Conditioner
Brand:
Bard
| Category:
Air Conditioner
| Size: 4.22 MB
Table of Contents
User's Application Guide and Technical Product Overview
4
Table of Contents
4
Overview
5
Documentation
6
Unit Literature Assembly - Documentation Provided with Your Units
6
Unit Installation
7
WALL MOUNT Products - Mounting the Product on Wall Surface
7
WALL MOUNT Products - Clearances for Outdoor Condenser Fan Airflow
8
WALL MOUNT Products - Clearances for Indoor Supply and Return Airflow
8
WALL MOUNT Products - Condensate and Defrost Drainage
9
I-TEC and Q-TEC Products - Installing the Product Inside a Room
10
I-TEC and Q-TEC Products - Clearances for Outdoor Condenser Fan Airflow
10
I-TEC and Q-TEC Products - Clearances for Indoor Supply and Return Airflow
11
I-TEC Air Path
11
Q-TEC Air Path
11
I-TEC and Q-TEC Products - Condensate Drainage
12
All Products - Power Supply Verification
13
Field-Supplied Voltage
13
Hertz (Frequency)
13
Single and Three Phase Power
13
Unit Maintenance
14
All Products - Filters and Filter Servicing
14
Outdoor Unit Wall Mount Room Air Filters
14
WALL MOUNT Products - Filters and Filter Servicing
15
I-TEC Indoor Products - Filters and Filter Servicing
16
Q-TEC Indoor Products - Filters and Filter Servicing
17
All Products - Coil Cleaning
18
Equipment Corrosion Protection
18
All Products - Condenser Airflow
19
Unit Operation
20
Air-To-Air Cooling Products (Air Conditioners)
20
Air-To-Air Cooling and Heating Products (Heat Pumps)
20
Cooling Mode
20
Heating Mode
20
Water-To-Air Cooling and Heating Products (Geothermal Heat Pumps)
21
Cooling Mode
21
Water Supply Systems
21
Dehumidification and Ventilation Operation
22
Dehumidification (Air-To-Air or Water-To-Air Systems)
22
Ventilation Options (Air-To-Air or Water-To-Air Systems)
22
Troubleshooting
23
All Units - Troubleshooting
23
Table of Contents
26
Getting Other Information and Publications
28
Q-TEC Model Nomenclature
29
Shipping Damage
29
Unit Removal from Skid
30
Air Seal under Q-TEC Unit
30
Removal of Q-TEC Unit from Skid
30
General
31
Handling Unit after Removal from Skid
31
Fan Assembly Removal
31
Q-TEC Unit on Appliance Cart
31
Installation with Duct-Free Plenum
32
Minimum Installation Height
32
Ducted Application
32
Duct Work
33
Filters
33
Supply Duct Connections
33
Filter Location
33
Switching Filter Sizes
34
Fresh Air Intake
34
Vent Options
34
Barometric Fresh Air Damper (Standard)
34
Bend Filter Tabs down
34
Filter Tabs in up Position
34
Fresh Air Damper Assembly
34
Commercial Room Ventilator (Option)
35
Q-TEC Energy Recovery Ventilator (Option)
35
Installation
36
Basic Installation Design and Application Planning
36
Mounting the Unit
36
Remove Compressor Shipping Brackets
36
Figure 13A
37
Figure 13B
37
Condensate Drain
38
Remove Locking Screws from Wheels
38
Optional Side Drain (Side View)
38
Standard Rear Drain
38
Optional Rear Drain Kits
39
Rear Drain (Top View)
39
Figure 18A
40
Figure 18B
40
Figure 18C
41
Figure 18D
42
Ducted Applications
43
Free Blow Applications
43
Indoor Ducted and Non-Ducted Applications
43
Indoor Return Airflow
43
Indoor Supply Airflow
43
Placement
43
Figure 7 Figure
44
Unit Dimensions
44
High Voltage Connections
45
Wiring - Main Power
45
Balanced Climate TM Feature
46
Dehumidification Feature
46
Low Ambient Control
46
Low Voltage Connections
46
Unit Shutdown Feature
46
Ventilation Features
46
Wiring - Low Voltage
46
CO 2 Controllers
47
Freeze Protection Thermostat
47
Humidity Controls
47
Wall Thermostats
47
Thermostat Wire Size
47
Figure 21
48
Figure 21 Thermostat Connections
48
Figure 22 Thermostat Connections
49
Start up
50
General
50
Topping off System Charge
50
Safety Practices
50
Vent Connection Plug
50
Pressure Service Ports
50
Important Installer Notes
51
Service Hints
51
High and Low Pressure Switches
51
Three Phase Scroll Compressor Start up
51
Information
51
Compressor Control Module
51
Dehumidification Models
51
Pressure Switch Lockout
51
Alarm Output
52
Figure 23
52
Figure 23 Compressor Logic Control Board
52
Freeze Stat Switch
52
High Pressure Switch
52
High Pressure Switch and Lockout Sequence
52
Intelligent Reset
52
Low Pressure Switch
52
Over and under Voltage Protection
52
Troubleshooting Compressor Logic CCM
52
Logic Control Board
53
Phase Monitor
53
Condenser Fan Operation
53
Sequence of Operation
53
Figure 24 CCM LED Fault Illumination
53
Balanced Climate TM Mode
54
Service
55
Troubleshooting ECM 142R Outdoor
55
Fan Motors
55
Replacing the Motor
56
Troubleshooting ECM 142R Outdoor Fan Motors
56
Troubleshooting ECM Indoor Blower Motors
57
Figure 25 Control Disassembly
58
Figure 26 Winding Test
58
Figure 27 Drip Loop
58
Replacing ECM Control Module
58
Figure 28 Control Connector Motor Half
59
Figure 9 Figure
59
Table 6
59
Fan Blade Dimensions
60
Fan Blade Setting Dimensions
60
Figure 29 Fan Blade Setting
60
Figure 30 Fan Shroud Removal
60
R-410A Refrigerant Charge
60
Removal of Fan Shroud
60
Cooling Pressure - Standard Airflow
61
Table 8A
61
Cooling Pressure - Balanced Climate Airflow
61
Table 9
62
Electrical Specifications Q**A4D Series
62
Table 10
63
Indoor Blower Performance
63
Electric Heat
63
Graphs
64
Graph 1
64
Q36A4D FAD Ventilation Delivery
64
Q42A4D FAD Ventilation Delivery
64
Graph 3
65
Q48A4D FAD Ventilation Delivery
65
Table 2
88
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Bard Q36A4DA Installation Instructions Manual (49 pages)
11EER Q-TECTM Q**A4D Series Packaged Air Conditioner
Brand:
Bard
| Category:
Air Conditioner
| Size: 2.17 MB
Table of Contents
Table of Contents
2
Getting Other Information and Publications
3
Q-TEC TM General Information
4
Q-TEC Model Nomenclature
4
Shipping Damage
4
Unit Removal from Skid
4
Figure 1 Air Seal under Q-TEC Unit
5
Figure 2 Removal of Q-TEC Unit from Skid
5
Handling Unit after Removal from Skid
6
General
6
Figure 3 Fan Assembly Removal
6
Figure 4 Q-TEC Unit on Appliance Cart
6
Minimum Installation Height
7
Figure 5 Installation with Duct-Free Plenum
7
Figure 6 Ducted Application
7
Duct Work
8
Filters
8
Figure 7 Supply Duct Connections
8
Figure 8 Filter Location
8
Switching Filter Sizes
9
Fresh Air Intake
9
Vent Options
9
Barometric Fresh Air Damper (Standard)
9
Figure 9 Filter Tabs in up Position
9
Figure 10 Bend Filter Tabs down
9
Figure 11 Fresh Air Damper Assembly
9
Commercial Room Ventilator (Option)
10
Q-TEC Energy Recovery Ventilator (Option)
10
Installation
11
Basic Installation Design and Application Planning
11
Mounting the Unit
11
Figure 12 Remove Compressor Shipping Brackets
11
Figure 13A Unit Mounting - Method 1
12
Figure 13B Unit Mounting - Method 2
12
Condensate Drain
13
Figure 14 Remove Locking Screws from Wheels
13
Figure 15 Optional Side Drain (Side View)
13
Figure 16 Standard Rear Drain
13
Figure 17 Rear Drain (Top View)
14
Optional Rear Drain Kits
14
Figure 18A
15
Figure 18B
15
Figure 18C
16
Figure 18D
17
Indoor Ducted and Non-Ducted Applications
18
Indoor Supply Airflow
18
Indoor Return Airflow
18
Ducted Applications
18
Free Blow Applications
18
Thermostat or Indoor Temperature Sensor Placement
18
Figure 19 Unit Dimensions
19
Wiring - Main Power
20
High Voltage Connections
20
Figure 20 High Voltage Connections
20
Wiring - Low Voltage
21
Low Voltage Connections
21
Unit Shutdown Feature
21
Balanced Climate TM Feature
21
Dehumidification Feature
21
Ventilation Features
21
Low Ambient Control
21
Tables
22
Freeze Protection Thermostat
22
Table 1 Wall Thermostats
22
Table 2 Humidity Controls
22
Table 3 CO Controllers
22
Table 4 Thermostat Wire Size
22
Figure 21 Thermostat Connections
23
Figure 22 Thermostat Connections
24
Start up
25
General
25
Topping off System Charge
25
Safety Practices
25
Vent Connection Plug
25
Pressure Service Ports
25
Important Installer Notes
26
Dehumidification Models
26
Service Hints
26
High and Low Pressure Switches
26
Pressure Switch Lockout
26
Three Phase Scroll Compressor Start up Information
26
Compressor Control Module
26
Over and under Voltage Protection
27
Intelligent Reset
27
Alarm Output
27
Figure 23 Compressor Logic Control Board
27
Freeze Stat Switch
27
High Pressure Switch
27
High Pressure Switch and Lockout Sequence
27
Low Pressure Switch
27
Troubleshooting Compressor Logic CCM
27
Logic Control Board
28
Phase Monitor
28
Condenser Fan Operation
28
Sequence of Operation
28
Figure 24 CCM LED Fault Illumination
28
Balanced Climate TM Mode
29
Service
30
Troubleshooting ECM 142R Outdoor Fan Motors
30
Replacing the Motor
31
Table 5 Troubleshooting ECM 142R Outdoor Fan Motors
31
Troubleshooting ECM Indoor Blower Motors
32
Replacing ECM Control Module
33
Figure 25 Control Disassembly
33
Figure 26 Winding Test
33
Figure 27 Drip Loop
33
Table 6 Troubleshooting ECM Blower Motors
34
Figure 28 Control Connector Motor Half
34
Fan Blade Setting Dimensions
35
R-410A Refrigerant Charge
35
Removal of Fan Shroud
35
Table 7 Fan Blade Dimensions
35
Figure 29 Fan Blade Setting
35
Figure 30 Fan Shroud Removal
35
Table 8A Cooling Pressure - Standard Airflow
36
Table 8B Cooling Pressure - Balanced Climate Airflow
36
Table 9 Electrical Specifications Q**A4D Series
37
Table 10 Indoor Blower Performance
38
Table 11 Maximum ESP Electric Heat Only
38
Table 12 Electric Heat
38
Dehumidification Unit Instructions
41
Dehumidification Circuit
41
Dehumidification Sequence of Operation
41
Balanced Climate Mode
41
Electronic Expansion Valve
41
Operation
41
EEV Instructions for Vacuuming, Reclaiming and Charging Unit
41
Troubleshooting the Electronic Expansion Valve
42
Figure 31 Electronic Expansion Valve (EEV) and Service Tool
42
Figure 32 High Side Connection
42
Table 13 Electronic Expansion Valve Troubleshooting
42
Control Board
43
Electronic Expansion Valve
43
Relay in EEV Control Box
43
Stator Coil
43
Transducer Sensor
43
Transducer
43
Thermistor Sensor
44
Table 14 10K OHM NTC Sensor: Temperature/Resistance
44
Air Conditioning Mode Circuit Diagram
45
Dehumidification Mode Circuit Diagram
45
Q36A4D Cooling and Dehumidification Application Data
46
Q42A4D Cooling and Dehumidification Application Data
47
Q48A4D Cooling and Dehumidification Application Data
48
Table 15 Dehumidification Relay Logic Board
49
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