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QW421
Bard QW421 Manuals
Manuals and User Guides for Bard QW421. We have
1
Bard QW421 manual available for free PDF download: Installation Instructions Manual
Bard QW421 Installation Instructions Manual (48 pages)
QW SERIES WATER SOURCE PACKAGED HEAT PUMP
Brand:
Bard
| Category:
Heat pumps
| Size: 1.16 MB
Table of Contents
Table of Contents
2
Getting Other Information and Publications for more Information, Contact These Publishers
4
QW General Information
5
QW Model Nomenclature
5
Figure 1 Unit Dimensions
6
Shipping Damage
7
Unit Removal from Skid
7
Handling Unit after Removal from Skid
7
Figure 2 Removal of Unit from Skid
7
Removal of Wall Bracket from Shipping Location
8
General
8
Minimum Installation Height
8
Figure 3 Proper Handling of Unit after Removal from Skid
8
Figure 4 Installation of Unit W/Wall Sleeve
9
Figure 5 Installation with Free Blow Plenum
10
Figure 6 Ducted Application
10
Duct Work
11
Filters
11
Condensate Drain
11
Figure 7 Supply Duct Connections
11
Figure 8 Condensate Drain
12
Figure 8A Side Drain (Side View)
12
Figure 8B Optional Rear Drain
12
Mist Eleminator Service
13
Figure 8C Rear Drain (Top View)
13
Figure 9 Fresh Air Damper Removal
14
Installation Instructions
16
Mounting the Unit
16
Figure 11 Remove Locking Screws from Wheels 16 Figure 12 Unit Mounting Without Wall Sleeve
17
Figure 13 Component Location
18
Wiring - Main Power
19
Wiring - Low Voltage Wiring
19
General
19
Low Voltage Connections
20
Figure 14 Low Voltage Wire Harness Plug
20
Figure 15 Remote Thermostat Wiring "X" Option
21
Figure 16 Remote Thermostat Wiring "A" Option
22
Start up
24
Description of Standard Equipment
24
Compressor Control Module
24
Adjustments
24
Optional CFM
25
Important Installer Note
25
Phase Monitor
25
Service Hints
25
Sequence of Operation
25
Pressure Service Ports
26
Figure 17 Remote Thermostat Wiring "D" Option 23 Figure 18 Fluid Connections W/Ventilation Wall Sleeve
27
Figure 19 Fluid Connections W/O Ventilation Wall Sleeve
28
Pressure Tables
29
Optional Accessories
31
Closed Loop
32
Circulation System Design
32
Copper Water Coil Application
32
Figure 20 Circulation System
32
Start up Procedure for Closed Loop System
33
Figure 21 Water Temperature and Pressure Test Procedure
33
Figure 22 Performance Model WGPM-1C
34
Figure 23 Performance Model WGPM-2C
34
Open Loop (Well System Applications)
35
Water Connections
35
Copper Water Coil Limitations
35
Figure 24 Piping Diagram
35
Well Pump Sizing
36
Start up Procedure for Open Loop System
36
Water Corrosion
37
Remedies of Water Problems
37
Lake and Pond Installations
38
Figure 25 Cleaning Water Coil
38
Figure 26 Water Well System
39
Cooling Tower / Boiler Application
40
Figure 27 Water Source H/P Cooling Cycle
41
Figure 28 Water Source H/P Heating Cycle
42
Service
43
Service Hints
43
Unbrazing System Components
43
Troubleshooting ECM Blower Motors
44
Quick Reference Troupbleshooting Chart for Water to Air Heat Pump
46
Ground Source Heat Pump Performance Report
47
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