INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
MODELS
WA381
WA423
WA484
WA491
WA602
Bard Manufacturing Company |
Manual : |
2100-398 |
|
Bryan, Ohio 43506 |
Supersedes: |
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Since 1914...Moving ahead just as planned. |
File: |
Volume III Tab 16 |
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Date: |
01-28-02 |
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© Copyright 2002
Contents
Getting Other Information and Publications |
1 |
Wall Mount General Information |
|
Heat Pump Wall Mount Model Nomenclature |
.......... 2 |
Shipping Damage .................................................... |
5 |
General ................................................................ |
5 |
Duct Work ................................................................ |
6 |
Filters ................................................................ |
6 |
Fresh Air Intake ....................................................... |
6 |
Condensate Drain .................................................... |
6 |
Installation Instructions |
|
Wall Mounting Information ....................................... |
7 |
Mounting the Unit .................................................... |
7 |
Wiring – Main Power ............................................. |
12 |
Wiring – Low Voltage Wiring ................................. |
12 |
Figures |
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Figure 1 |
Unit Dimensions ...................................... |
3 |
Figure 2 Fresh Air Damper Assembly ................... |
6 |
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Figure 3 |
Mounting Instructions .............................. |
8 |
Figure 4 Electric Heat Clearance .......................... |
9 |
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Figure 5 |
Wall Mounting Instructions .................... |
10 |
Figure 6 |
Wall Mounting Instructions .................... |
10 |
Figure 7 Common Wall Mounting Installations ..... |
11 |
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Figure 8 Unit 24V Terminal Board ....................... |
13 |
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Figure 9 Fan Blade Setting ................................. |
16 |
Start Up |
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Important Installer Note ......................................... |
14 |
High Pressure Switch ............................................ |
14 |
Three Phase Scroll Compressor Start Up ............. |
14 |
Phase Monitor ....................................................... |
14 |
Condenser Fan Operation ..................................... |
14 |
Service Hints ......................................................... |
14 |
Sequence of Operation .......................................... |
15 |
Compressor Control Module .................................. |
15 |
Adjustments ........................................................... |
15 |
Pressure Service Ports .......................................... |
15 |
Troubleshooting |
|
Fan Blade Setting Dimensions .............................. |
16 |
Removal of Fan Shroud ......................................... |
16 |
Refrigerant Charge ................................................ |
16 |
Pressure Table ....................................................... |
18 |
Optional Accessories ............................................. |
19 |
Tables |
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Table |
1 |
Electric Heat Table .................................. |
2 |
Table |
2 |
Electrical Specifications ................ |
4 and 5 |
Table |
3 |
Thermostat Wire Size ........................... |
12 |
Table |
4 |
Wall thermostat and Subbase |
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Combinations ........................................ |
12 |
Table |
5 |
Fan Blade Dimensions .......................... |
16 |
Table |
6 |
Refrigerant Charge ............................... |
16 |
Table |
7 |
Indoor Blower Performance .................. |
16 |
Table |
7A |
Indoor Blower Performance .................. |
17 |
Table |
8 |
Recommended Air Flow ........................ |
17 |
Table |
9 |
Maximum EXP Electric Heat Only ........ |
17 |
Table |
9A |
Maximum EXP Electric Heat Only ........ |
17 |
Table |
10 |
Pressure Table ...................................... |
18 |
Table |
11 |
Optional Accessories ............................ |
19 |
GETTING OTHER INFORMATION AND PUBLICATIONS
These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
National Electrical Code ...................... |
ANSI/NFPA 70 |
Standard for the Installation .............. |
ANSI/NFPA 90A |
of Air Conditioning and |
|
Ventilating Systems |
|
Standard for Warm Air ...................... |
ANSI/NFPA 90B |
Heating and Air |
|
Conditioning Systems |
|
Load Calculation for ............................ |
ACCA Manual J |
Residential Winter and |
|
Summer Air Conditioning |
|
Duct Design for Residential .............. |
ACCA Manual D |
Winter and Summer Air Conditioning
and Equipment Selection
FOR MORE INFORMATION, CONTACT THESE PUBLISHERS:
ACCA |
Air Conditioning Contractors of America |
|
1712 New Hampshire Ave. N.W. |
|
Washington, DC 20009 |
|
Telephone: (202) 483-9370 |
|
Fax: (202) 234-4721 |
ANSI |
American National Standards Institute |
|
11 West Street, 13th Floor |
|
New York, NY 10036 |
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Telephone: (212) 642-4900 |
|
Fax: (212) 302-1286 |
ASHRAE American Society of Heating, Refrigeration
and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta, GA 30329-2305
Telephone: (404) 636-8400
Fax: (404) 321-5478
NFPA |
National Fire Protection Association |
|
Batterymarch Park |
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P.O. Box 9101 |
|
Quincy, MA 02269-9901 |
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Telephone: (800) 344-3555 |
|
Fax: (617) 984-7057 |
Manufactured under the following
U.S. Patent numbers:
5,485,878; 5,301,777; 5,002,116; 4,924,934; 4,875,520; 4,825,936; 4,432,409
Manual 2100-398
Page 1
WALL MOUNT GENERAL INFORMATION
HEAT PUMP WALL MOUNT MODEL NOMENCLATURE
MODEL NUMBER
CAPACITY
38 - 3 Ton
42 - 3 1/2 Ton
48 - 4 Ton
60 - 5 Ton
VOLTS & PHASE
A - 230/208/60/1 B - 230/208/60/3 C - 460/60/3
WA 42 3 – A 10 X N X X X A |
CONTROL |
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MODULES |
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(See Chart Below) |
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COIL OPTIONS |
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REVISIONS |
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X - Standard |
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1 - Phenolic Coated Evaporator |
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COLOR OPTIONS |
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2 - Phenolic Coated Condenser |
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X - Beige (Standard) |
3 - Phenolic Coated Evaporator |
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KW |
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1 |
- White |
and Condenser |
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2 |
- Mesa Tan |
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VENTILATION OPTIONS |
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4 |
- Buckeye Gray |
OUTLET OPTIONS |
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X - Barometric Fresh Air Damper (Standard) |
5 |
- Desert Brown |
X - Front (Standard) |
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B - Blank-off Plate |
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6 |
- Dark Bronze |
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M - Motorized Fresh Air Damper |
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V - Commercial Ventilator - |
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Motorized with Exhaust |
FILTER OPTIONS |
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E - Economizer (Internal) - Fully |
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X - One Inch Throwaway (Standard) |
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Modulating with Exhaust |
W - One Inch Washable |
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R - Energy Recovery Ventilator - |
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P - Two Inch Pleated |
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Motorized with Exhaust |
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NOTE: All vent options are without exhaust capability. May require separate field supplied barometric relief in building.
TABLE 1
ELECTRIC HEAT TABLE
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WA381-A |
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WA381-B |
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WA381-C |
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WA423-A |
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WA423-B |
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WA423-C |
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Models |
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WA484-A |
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WA484-B |
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WA484-C |
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WA491-A |
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WA491-B |
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WA491-C |
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WA602-A |
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WA602-B |
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WA602-C |
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230-1 |
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208-1 |
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230-3 |
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208-3 |
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460-3 |
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KW |
A |
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BTU |
A |
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BTU |
A |
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BTU |
A |
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BTU |
A |
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BTU |
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5 |
20.8 |
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17050 |
18.1 |
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12800 |
- - - |
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- - - |
- - - |
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- - - |
- - - |
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- - - |
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6 |
- - - |
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- - - |
- - - |
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- - - |
14.4 |
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20500 |
12.5 |
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15360 |
7.2 |
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20480 |
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8 |
33.3 |
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27280 |
28.8 |
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20450 |
- - - |
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- - - |
- - - |
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- - - |
- - - |
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- - - |
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9 |
- - - |
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- - - |
- - - |
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- - - |
21.7 |
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30600 |
18.7 |
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23030 |
10.8 |
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30700 |
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10 |
41.6 |
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34130 |
36.2 |
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25600 |
- - - |
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- - - |
- - - |
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- - - |
- - - |
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- - - |
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15 |
62.5 |
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51200 |
54.0 |
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38400 |
36.2 |
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51200 |
31.2 |
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38400 |
17.3 |
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47000 |
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18 |
- - - |
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- - - |
- - - |
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- - - |
43.3 |
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61430 |
37.5 |
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46100 |
- - - |
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- - - |
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20 |
83.2 |
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68260 |
72.1 |
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51200 |
- - - |
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- - - |
- - - |
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- - - |
- - - |
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- - - |
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Manual 2100-398
Page 2
Page |
Manual |
3 |
398-2100 |
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FIGURE 1
UNIT DIMENSIONS
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Width |
Depth |
Height |
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Supply |
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Return |
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Model |
(W) |
(D) |
(H) |
A |
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B |
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C |
B |
E |
F |
G |
I |
J |
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K |
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L |
M |
N |
O |
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P |
Q |
R |
S |
T |
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WA38 |
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WA42 |
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WA48 |
42.075 |
22.432 |
84.875 |
9.88 |
29.88 |
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15.88 |
29.88 |
43.88 |
19.10 |
31.66 |
30.00 |
32.68 |
26.94 |
34.69 |
32.43 |
3.37 |
42.88 |
23.88 |
10.00 |
1.44 |
16.00 |
1.88 |
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WA49 |
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WA60 |
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FRONT VIEW |
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SIDE VIEW |
BACK VIEW |
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MIS-1262 |
TABLE 2
ELECTRICAL SPECIFICATIONS
SINGLE CIRCUIT |
DUAL CIRCUIT |
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3 |
1 |
2 |
2 |
3 |
1 |
2 |
2 |
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No. |
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Maximum |
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Maximum |
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External |
Field |
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Minimum |
External Fuse |
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Rated |
Field |
Minimum |
Fuse or |
Power |
Ground |
Circuit |
or Circuit |
Field Power |
Ground |
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Volts & |
Power |
Circuit |
Circuit |
Wire |
Wire |
Ampacity |
Breaker |
Wire Size |
Wire Size |
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Phase |
Circuits |
Ampacity |
Breaker |
Size |
Size |
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Model |
CKT A |
CKT B |
CKT A |
CKT B |
CKT A |
CKT B |
CKT A |
CKT B |
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WA381-A00, A0Z |
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1 |
25 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A05 |
230/208-1 |
1 |
32 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A08 |
1 |
47 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
||
A10 |
|
1 |
58 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA381-B00, B0Z |
|
1 |
20 |
30 |
10 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B06 |
230/208-3 |
1 |
24 |
30 |
10 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B09 |
|
1 |
33 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA381-C00, C0Z |
|
1 |
11 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C06 |
460-3 |
1 |
13 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C09 |
|
1 |
17 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA423-A00, A0Z |
|
1 |
35 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A05 |
|
1 |
35 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A10 |
230/208-1 |
1 |
59 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A15 |
|
1 or 2 |
85 |
90 |
4 |
8 |
56 |
26 |
60 |
30 |
6 |
10 |
10 |
10 |
|
A20 |
|
1 or 2 |
110 |
110 |
2 |
6 |
56 |
52 |
60 |
60 |
6 |
6 |
10 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA423-B00, B0Z |
|
1 |
24 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B09 |
230/208-3 |
1 |
34 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B15 |
1 |
52 |
50 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
||
B18 |
|
1 |
60 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA423-C00, C0Z |
|
1 |
13 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C09 |
460-3 |
1 |
17 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C15 |
|
1 |
26 |
30 |
10 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA484-A00, A0Z |
|
1 |
36 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A05 |
|
1 |
36 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A10 |
230/208-1 |
1 |
59 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A15 |
|
1 or 2 |
85 |
90 |
4 |
8 |
59 |
26 |
60 |
30 |
6 |
10 |
10 |
10 |
|
A20 |
|
1 or 2 |
110 |
110 |
2 |
6 |
59 |
52 |
60 |
60 |
6 |
6 |
10 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA484-B00, B0Z |
|
1 |
25 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B09 |
230/208-3 |
1 |
34 |
35 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B15 |
1 |
52 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
||
B18 |
|
1 |
60 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA484-C00, C0Z |
|
1 |
13 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C09 |
460-3 |
1 |
17 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C15 |
|
1 |
26 |
30 |
10 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA491-A00, A0Z |
|
1 |
33 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A05 |
230/208-1 |
1 |
33 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
A08 |
1 |
47 |
50 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
||
A10 |
|
1 |
58 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA491-B00, B0Z |
|
1 |
27 |
40 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B06 |
230/208-3 |
1 |
27 |
40 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
B09 |
|
1 |
33 |
40 |
8 |
10 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA491-C00, C0Z |
|
1 |
13 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C06 |
460-3 |
1 |
13 |
15 |
14 |
14 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
C10 |
|
1 |
17 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TABLE CONTINUED ON PAGE 5
j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. k Based on 75° C copper wire. All wiring must conform to NEC and all local codes.
lThese “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electric Code (latest revision), article 310 for power conductor sizing. CAUTION: When more than one field power conductor circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of table 310 regarding Ampacity Adjustment Factors when more than 3 conductors are in a raceway.
Manual 2100-398
Page 4
TABLE CONTINUED FROM PAGE 4
SINGLE CIRCUIT |
DUAL CIRCUIT |
|
|
|
3 |
1 |
2 |
2 |
3 |
|
1 |
2 |
2 |
||||
|
|
|
|
|
|
|
|
|
Maximum |
|
|
|
|
||
|
|
|
|
Maximum |
|
|
Minimum |
External Fuse |
|
|
|
|
|||
|
|
No. |
|
External |
Field |
|
Circuit |
or |
Circuit |
Field Power |
Ground |
||||
|
Rated |
Field |
Minimum |
Fuse or |
Power |
Ground |
Ampacity |
Breaker |
Wire Size |
Wire Size |
|||||
|
Volts & |
Power |
Circuit |
Circuit |
Wire |
Wire |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Model |
Phase |
Circuits |
Ampacity |
Breaker |
Size |
Size |
CKT A |
CKT B |
CKT A |
CKT B |
CKT A |
CKT B |
CKT A |
CKT B |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA602-A00, A0Z |
|
1 |
44 |
60 |
8 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
A05 |
|
1 |
44 |
60 |
8 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
A10 |
230/208-1 |
1 |
55 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
A15 |
|
1 or 2 |
85 |
90 |
4 |
8 |
59 |
26 |
60 |
|
30 |
6 |
10 |
10 |
10 |
A20 |
|
1 or 2 |
110 |
110 |
2 |
6 |
59 |
52 |
60 |
|
60 |
6 |
6 |
10 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
WA602-B00, B0Z |
|
1 |
32 |
45 |
8 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
B09 |
230/208-3 |
1 |
34 |
45 |
8 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
B15 |
1 |
52 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
|
B18 |
|
1 |
60 |
60 |
6 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
WA602-C00, C0Z |
|
1 |
16 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
C09 |
460-3 |
1 |
17 |
20 |
12 |
12 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
C15 |
|
1 |
26 |
30 |
10 |
10 |
N/A |
N/A |
N/A |
|
N/A |
N/A |
N/A |
N/A |
N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. k Based on 75° C copper wire. All wiring must conform to NEC and all local codes.
lThese “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the
National Electric Code (latest revision), article 310 for power conductor sizing. CAUTION: When more than one field power conductor circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of table 310 regarding Ampacity Adjustment Factors when more than 3 conductors are in a raceway.
SHIPPING DAMAGE
Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent.
GENERAL
The equipment covered in this manual is to be installed by trained, experienced service and installation technicians.
The refrigerant system is completely assembled and charged. All internal wiring is complete.
The unit is designed for use with or without duct work. Flanges are provided for attaching the supply and return ducts.
These instructions explain the recommended method to install the air cooled self-contained unit and the electrical wiring connections to the unit.
These instructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation. Note particularly “Starting Procedure” and any tags and/or labels attached to the equipment.
While these instructions are intended as a general recommended guide, they do not supersede any national and/or local codes in any way. Authorities having jurisdiction should be consulted before the installation is made. See Page 1 for information on codes and standards.
Size of unit for a proposed installation should be based on heat loss calculation made according to methods of Air Conditioning Contractors of America (ACCA). The air duct should be installed in accordance with the Standards of the National Fire Protection Association for the Installation of Air Conditioning and Ventilating Systems of Other Than Residence Type, NFPA No. 90A, and Residence Type Warm Air Heating and Air Conditioning Systems, NFPA No. 90B. Where local regulations are at a variance with instructions, installer should adhere to local codes.
Manual 2100-398
Page 5