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W3RV2-R
Bard W3RV2-R User Manual
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Manual 2100-615A
Page
14 of 24
FIGURE 8
LOW VOL
T
AGE WIRING DIAGRAM
C
5
3
1
6
4
R
7
BLOCK
F
E
Y1
G
W1
W2
Y
UNIT LOW
VOLTAGE
TERMINAL
2
IN3
IN4
-A
+B
24V
24 COM
IN2
GND
OUT 9
GND 7-9
OUT 8
OUT 7
RLY 6
SC 4-6
RLY 5
RLY 4
RLY 3
SC 1-3
RLY 2
RLY 1
MIS-2852 C
8403-066 DIGITAL
CONTROLLER
15
17
Table of Contents
Table of Contents
4
Getting Other Information and Publications
5
Wall Mount General Information
6
ECU Wall Mount Model Nomenclature
6
Shipping Damage
6
General
6
Figures
7
Duct Work
7
Filters
7
Fresh Air Intake
7
Condensate Drain
7
Figure 1 Fresh Air Damper
7
Installation
8
Wall Mounting Information
8
Mounting the Unit
8
Minimum Clearances
8
Clearances Required
8
Figure 2 Unit Dimensions
9
Figure 3A Mounting Instructions
10
Figure 3B Mounting Instructions
11
Figure 4 Electric Heat Clearance
12
Figure 5 Wall Mounting Instructions
13
Figure 6 Wall Mounting Instructions
13
Figure 7 Common Wall Mounting Installations
14
Wiring - Main Power
15
Wiring - Low Voltage
15
Digital Thermostat/Controller
15
Figure 8 Low Voltage Wiring Diagram
16
Start up
17
General
17
Topping off System Charge
17
Safety Practices
17
Three Phase Scroll Compressor
18
Phase Monitor
18
Service Hints
18
Digital Controller
18
Sequence of Operation
19
Cooling Sequence
20
Heating Sequence
20
Lead/Lag Sequence
20
Compressor Control Module
21
Adjustments
21
Pressure Service Ports
21
Tables
22
Figure 9 Fan Blade Setting
22
Troubleshooting
22
Fan Blade Setting Dimensions
22
Removal of Fan Shroud
22
R-410A Refrigerant Charge
22
Table 1 Fan Blade Dimensions
22
Table 1
22
Cooling Pressure
23
Table 4 Recommended Airflow
25
Table 5 Maximum ESP Electric Heat Only
25
Table 6 Electric Heat
25
Table 7 Vent and Control Options
26
Advanced Programming & Features
36
Home Screen Features
37
Temporary Temperature Override
37
Indoor Blower Settings
38
Setting Date/Time
38
Scheduling
39
Security Settings
39
Restart
41
Trend Logs
41
Restore Factory
42
User's Application Guide and Technical Product Overview
48
Overview
49
Documentation
50
Unit Literature Assembly - Documentation Provided with Your Units
50
Unit Installation
51
WALL MOUNT Products - Mounting the Product on Wall Surface
51
WALL MOUNT Products - Clearances for Outdoor Condenser Fan Airflow
52
WALL MOUNT Products - Clearances for Indoor Supply and Return Airflow
52
WALL MOUNT Products - Condensate and Defrost Drainage
53
I-TEC and Q-TEC Products - Installing the Product Inside a Room
54
I-TEC and Q-TEC Products - Clearances for Outdoor Condenser Fan Airflow
54
I-TEC and Q-TEC Products - Clearances for Indoor Supply and Return Airflow
55
I-TEC Air Path
55
Q-TEC Air Path
55
I-TEC and Q-TEC Products - Condensate Drainage
56
All Products - Power Supply Verification
57
Field-Supplied Voltage
57
Hertz (Frequency)
57
Single and Three Phase Power
57
Unit Maintenance
58
All Products - Filters and Filter Servicing
58
Outdoor Unit Wall Mount Room Air Filters
58
WALL MOUNT Products - Filters and Filter Servicing
59
I-TEC Indoor Products - Filters and Filter Servicing
60
Q-TEC Indoor Products - Filters and Filter Servicing
61
All Products - Coil Cleaning
62
Equipment Corrosion Protection
62
All Products - Condenser Airflow
63
Unit Operation
64
Air-To-Air Cooling Products (Air Conditioners)
64
Air-To-Air Cooling and Heating Products (Heat Pumps)
64
Cooling Mode
64
Heating Mode
64
Water-To-Air Cooling and Heating Products (Geothermal Heat Pumps)
65
Cooling Mode
65
Water Supply Systems
65
Dehumidification and Ventilation Operation
66
Dehumidification (Air-To-Air or Water-To-Air Systems)
66
Ventilation Options (Air-To-Air or Water-To-Air Systems)
66
Troubleshooting
67
All Units - Troubleshooting
67
General
70
General
71
Recovery Equipment Rated for R-410A
71
Leak Detectors
71
Gauge Manifold
71
Attaching Gauge Manifold
71
Attaching Manifold Hose to Schrader Valve
72
Leak Test
72
Evacuation
72
Charging
73
Preliminary Charging Steps
73
Charging the System by Weight
73
Troubleshooting the Mechanical System
77
Air Conditioning & Heat Pump - Cooling
77
Low Suction - Low Head Pressure
77
High Suction - Low Head Pressure
77
Low Suction - High Head Pressure
77
High Suction - High Head Pressure
77
Heat Pump - Heating
77
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Bard W3RV2-R Specifications
General
Brand
Bard
Model
W3RV2-R
Category
Control Unit
Language
English
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