2110-1004
REPLACEMENT
PARTS MANUAL
QW*S1 SERIES
ENERGY RECOVERY
VENTILATOR
Models: 920-0074
920-0138
General Notes
Contents
Revised and/or additional pages may
be issued from time to time.
Description
A complete and current manual
consists of pages shown in the
following contents section.
Functional & Cabinet Components
Exploded View............................ 2
 Usage List................................... 3
Blower Assembly
Important
Contact the installing and/or local Bard
distributor for all parts requirements.
Make sure you have the complete
model and serial number available
from the unit rating plates.
Page
Exploded View............................ 4
 Usage List................................... 4
Cassette Components
Exploded View............................ 5
 Usage List................................... 5
Control Panel
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead, just as planned.
Exploded View............................ 6
 Usage List................................... 6
Manual:
2110-1004A
Supersedes:2110-1004
File:
Tab 14
Date:04-02-12
Manual2110-1004A
Page
1 of 6
FUNCTIONAL and CABINET COMPONENTS
1
2
22
34
3
4
5
6
7
8
33
32
31
30
15
35
36
9
10
11
12
13
14
29
28
15
27
26
16
25
24
23
17
18
22
19
20
21
SEXP-562 A
20
Manual2110-1004A
Page 2 of 6
920-0074
920-0138
FUNCTIONAL and CABINET COMPONENTS
1
539-216
Blower Box Assembly
1
1
2
133-202
Control Panel Cover
1
1
3
521-440
Blower Box Partition Assembly
1
1
4
3000-1341
Wire Harness
1
1
5
539-217
Upper Blower Wrapper Back Assembly
1
1
6
Control Panel
See Control Panel Assembly
1
1
7
S910-1637
Terminal Block Assembly
1
1
8
101-566
Right Blower Box End
1
1
Drawing
No.
Part No.
Description
9
3000-1342
Wire Harness
1
1
10
3000-1059
Wire Harness
1
1
11
S137-590
Upper Intake Fill Plate
1
1
12
127-385
Base Plate
1
1
13
107-280
Top
1
1
14
139-227
Intake Damper Blade
1
1
15
104-989
Side Angle
2
2
16
S101-583
Right End
1
1
17
S521-446
Lower Partition Assembly
1
1
18
139-226
ERV Exhaust Blade
1
1
19
S139-225
ERV Exhaust Wrapper
1
1
20
501-572
End Assembly
2
2
21
539-218
Wrapper Assembly
1
1
22
Blower Assembly
See Blower Assembly Drawing
2
2
23
S139-228
Blade Sealing Angle
1
1
24
3000-1061
Wire Harness
1
1
25
3000-1343
Wire Harness
1
1
26
115-169
Front Fill
1
1
27
139-111
Right Seal Assembly
1
1
28
139-110
Left Seal Assembly
1
1
29
5070-036
Cassette – Complete
1
1
30
137-589
Left Side Intake Fill Plate
1
1
31
S101-582
Left End
1
1
32
8110-002
Damper Motor
1
1
33
113-385
Damper Motor Bracket
1
1
34
501-567
Left Blower Box End Assembly
1
1
35
8201-134
Recycle Timer
36
8408-028
Thermostat
NS
4114-100
Wiring Diagram
NS
4114-102
Wiring Diagram
1
1
1
1
NS = Not Shown
Manual2110-1004A
Page
3 of 6
BLOWER ASSEMBLY
6
9
8
7
1
5
6
3
1
SEXP-566
4
1
3
2
Drawing
No.
Part No.
Description
920-0074
920-0138
1
1
144-180
Inlet Plate
4
2
5152-100
Blower Wheel
1
3
151-114
Blower Housing Assembly
2
4
8552-002
Blower Motor Capacitor
1
5
5152-101
Blower Wheel
1
6
105-1084
Blower Side Angle
2
7
113X274
Right Blower Motor Support
1
8
8101-019
Blower Motor
1
9
113Y274
Left Blower Motor Support
1
Manual2110-1004A
Page 4 of 6
Drawing
No.
Part No.
920-0074
920-0138
CASSETTE COMPONENTS
Description
1
539-168
Cassette Plate Assembly
1
2
104-1127
Right Support Angle
1
3
104-1128
Left Support Angle
1
4
S140-288
Support Bar Assembly
1
5
5070-043
Cassette Wheel
2
6
5501-019
Pulley
1
7
8101-016
Motor
1
8
142-104
Hub Cover
2
9
1912-012
Wheel Shaft
2
10
8620-196
Drive Belt & Pulley Kit
2
11
S5070-047
Center Block Assembly
1
12
1012-164
Machine Screw
4
13
8611-111
Nylon Spacer
4
NS
5070-052
3/4" Bearing/Hub Assembly
2
NS
8620-204 j
Bearing/Hub, Shaft & Hardware Kit
2
NS
8620-205 k
Shaft & Hardware Kit
2
NS = Not Shown
 = Contains Item #’s 8, 9, 12, 13 and “NS” Bearing + Additional Hardware
 = Contains Item #’s 8, 9, 12, 13 + Additional Hardware
5
12
13
11
3
8
6
10
1
4
2
9
7
SEXP-472
Manual2110-1004A
Page
5 of 6
Drawing
No.
Part No.
Description
920-0074
920-0138
CONTROL PANEL
1
116-193
Control Panel
1
2
8201-008
Blower Relay
1
3
8552-070
Cassette Motor Capacitor
1
4
8407-043
Transformer
1
5
8607-017
Terminal Block
1
NS
8406-101
Speed Switch
1
NS = Not Shown
Manual2110-1004A
Page 6 of 6
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