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Bard HA4S3, Installation Instructions Manual

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Manual

2100-573A

Page

1 of 21

Manual :

2100-573A

Supersedes:

2100-573

File:

Volume III Tab 16

Date:

07-09-12

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead just as planned.

0,6

WALL MOUNTED

PACKAGED

 AIR CONDITIONER

INSTALLATION
INSTRUCTIONS

Models:

HA4S3

HL4S2

HA5S3

HL5S2

Summary of Contents for HA4S3

Page 1: ...3A Supersedes 2100 573 File Volume III Tab 16 Date 07 09 12 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned 0 6 WALL MOUNTED PACKAGED AIR CONDITIONER INSTALLATION INSTRUCTIONS Models HA4S3 HL4S2 HA5S3 HL5S2 ...

Page 2: ...ll Mounting Information 8 Mounting the Unit 8 Typical Installations 8 Wiring Main Power 8 9 12 Wiring Low Voltage Wiring 12 Dirty Filter Switch Relay 12 Start Up General 13 Topping Off System Charge 13 Safety Practices 13 Important Installer Note 14 Crankcase Heaters 14 High Low Pressure Switch 14 Service Hints 15 Compressor Control Module 15 Adjustments 16 Motor Start Device 16 Pressure Service P...

Page 3: ...d Manual N Summer Air Conditioning Low Pressure Low Velocity ACCA Manual D or Duct System Design for Winter Manual Q and Summer Air Conditioning 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...

Page 4: ... 2 n i e l b a l i a v a e r a s r e t a e h c i r t c e l e e s e h T 1 See Table 3 for Heater Availability by Model VOLTS PHASE A 230 208 1 KW 0Z No KW w Circuit Breaker or Pull Disconnect 05 5 KW 08 8 KW 10 10 KW 15 15 KW VENTILATION OPTIONS B Blank off Plate Standard COLOR OPTIONS X Beige Standard 4 Buckeye Gray 5 Desert Brown 8 Dark Bronze A Aluminum S Stainless Steel OUTLET OPTIONS X Front S...

Page 5: ...ockable 4 Pitch Entrance Disconnect Rain Hood Air Built In Inlet Access Panel Low Voltage C Breaker High Voltage Electrical Drain Side View 2 13 C D K J A H I MIS 2762 Electrical Location Shipping Optional Mounting Supply Air Opening Side Wall Return Air Opening Entrances Brackets Built In Top Rain Flashing Bottom Installation Bracket Back View E 44 M T R S2 P S2 L O S1 Q N S1 S1 B I A C K 2 13 H ...

Page 6: ... 8 8 7 3 7 3 6 2 2 5 5 4 5 4 0 3 0 6 8 8 0 1 6 0 1 0 1 0 1 0 1 S 5 L A H Z 0 A 5 0 A 8 0 A 0 1 A 5 1 A 1 8 0 2 0 3 2 1 1 1 2 r o 1 2 r o 1 4 4 4 4 3 5 3 6 9 8 0 5 0 5 0 6 0 7 0 9 8 8 6 6 3 0 1 0 1 0 1 8 8 4 4 4 4 6 2 2 5 0 5 0 5 0 3 0 6 8 8 0 1 6 0 1 0 1 0 1 0 1 1 Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors 2 Based on 75 C copper wire ...

Page 7: ...a ACCA is an excellent guide to proper sizing All duct work or portions thereof not in the conditioned space should be properly insulated in order to both conserve energy and prevent condensation or moisture damage Refer to Table 6 for maximum static pressure available for duct design Design the duct work according to methods given by the Air Conditioning Contractors of America ACCA When duct runs...

Page 8: ... rigidity the return air and supply air frames or collars can be drilled and screwed or welded to the structural wall itself depending upon wall construction Be sure to observe required clearance if combustible wall 9 On side by side installations maintain a minimum of 20 inches clearance on right side to allow access to heat strips and control panel and to allow proper airflow to the outdoor coil...

Page 9: ...16 16 16 1 7 8 6 1 2 6 1 2 2 1 8 7 8 1 3 4 Typ 4 Typ 6 1 2 30 E 16 A C C 3 1 8 B Wall Opening and Hole Location View RETURN AIR 1 REQUIRED DIMENSIONS TO MAINTAIN 1 4 MIN CLEARANCE FROM COMBUSTIBLE MATERIALS REQUIRED DIMENSIONS TO MAINTAIN 29 DUCT COMBUSTIBLE MATERIALS A B C D E 30 1 2 10 1 2 6 1 4 1 1 4 29 3 4 32 12 5 1 2 2 NOTES WALL STRUCTURE 1 SUPPLY AIR IT IS RECOMMENDED THAT A BEAD OF OPENING...

Page 10: ...Y AIR MIS 548 A SIDE VIEW I A C K E 1 000 B 1 000 SUPPLY DUCT OVER FRAME INTERIOR FINISHED WALL ALL AROUND DUCT FRAMING MATERIAL EXTERIOR FINISH WALL OPENING FOR ACTUAL DIMENSIONS 2 x 4 S 2 x 6 S OR STRUCTURAL STEEL ATTACH TO TOP 1 000 CLEARANCE 1 000 CLEARANCE PLATE OF WALL C SEE UNIT DIMENSIONS FIGURE 2 OPENING RETURN DUCT 2 x 6 ATTACH TO BOTTOM OVER FRAME PLATE OF WALL L THIS STRUCTURAL MEMBER ...

Page 11: ... WALL OPENING W GRILLE SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN CEILING RAIN RETURN AIR SLEEVE WALL SUPPLY AIR DUCT RAFTERS RAFTERS RETURN AIR OPENING W GRILLE RAIN FALSE WALL INSTALLATION DUCTED SUPPLY GRILLE OUTSIDE SPACE FALSE WALL RETURN AIR GRILLE OUTSIDE OR BELOW CEILING RAFTERS AS SHOWN FINISHED CEILING SURFACE RAIN FLASHING RAIN FLASHING RETURN AT UNIT NO DUC...

Page 12: ...208V taps are TAP RANGE 240 253 216 208 220 187 NOTE The voltage should be measured at the field power connection point in the unit and while the unit is operating at full load maximum amperage operating condition For wiring size and connections refer to MV4000 Controller Manual 2100 571 DIRTY FILTER SWITCH RELAY These units include a dirty filter switch and relay The alarm output of relay is norm...

Page 13: ...frigerant composition during multiple leaks and recharges R 410A refrigerant is close to being an azeotropic blend it behaves like a pure compound or single component refrigerant The remaining refrigerant charge in the system may be used after leaks have occurred and then top off the charge by utilizing the pressure charts on the inner control panel cover as a guideline REMEMBER When adding R 410A...

Page 14: ... SWITCH All models covered by this Manual are supplied with a remote reset high pressure switch and low pressure switch If tripped this pressure switch may be reset by turning the thermostat off then back on again IMPORTANT These procedures must be followed at initial start up and at any time power has been removed for 12 hours or longer To prevent compressor damage which may result from the prese...

Page 15: ...utdown the delay or break timer starts and prevents restart until the delay on break and delay on make periods have expired During routine operation of the unit with no power interruptions the compressor will operate on demand with no delay High Pressure Switch and Lockout Sequence If the high pressure switch opens the compressor contactor will de energize immediately The lockout timer will go int...

Page 16: ...r low cool when utilizing the charts Alarm Relay Output Alarm terminal is output connection for applications where alarm relay is employed This terminal is powered whenever compressor is locked out due to HPC or LPC sequences as described NOTE Both high and low pressure switch controls are inherently automatic reset devices The high pressure switch and low pressure switch cut out and cut in settin...

Page 17: ...oid returns to its original position 3 If clicks can t be heard shut off power and remove the control circuit molded plug from the compressor and measure the solenoid coil resistance The resistance should be 32 to 60 ohms depending on compressor temperature 4 Next check the molded plug Voltage check Apply control voltage to the plug wires 18 to 28 volt ac The measured dc voltage at the female conn...

Page 18: ... A R E P M E T E R U S S E R P 0 5 o F 5 5 o F 0 6 o F 5 6 o F 0 7 o F 5 7 o F 0 8 o F 5 8 o F 0 9 o F 5 9 o F 0 0 1 o F 5 0 1 o F 0 1 1 o F 5 1 1 o F S 4 A H S 4 L H B D 5 7 B W 2 6 E D I S W O L E D I S H G I H 2 2 1 4 8 1 4 2 1 1 0 2 5 2 1 8 1 2 7 2 1 6 3 2 9 2 1 4 5 2 1 3 1 2 7 2 1 3 1 1 9 2 2 3 1 2 1 3 3 3 1 5 3 3 4 3 1 9 5 3 5 3 1 1 8 3 7 3 1 7 0 4 9 3 1 5 3 4 1 4 1 3 6 4 B D 0 8 B W 7 6 E D...

Page 19: ... it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check filter Use low pressure drop filter Check correct duct restrictions Symptom Cause Procedure Noisy blower or cabinet Check for loose blower housing panels etc High static creating high blower speed C...

Page 20: ...lication Refer to the manufacturer s authorized replacement list USING THE WRONG CONTROL WILL RESULT IN IMPROPER OR NO BLOWER OPERATION Orient the control module so that the 3 wire motor plug can be inserted into the socket in the control Carefully insert the plug and press it into the socket until it latches A SLIGHT CLICK WILL BE HEARD WHEN PROPERLY INSERTED Finish installing the replacement con...

Page 21: ...1 M F C S 4 L A H 0 2 0 0 8 0 5 2 8 0 0 1 1 0 0 5 1 0 0 1 1 0 0 5 1 S 5 L A H 0 2 0 0 8 0 0 5 8 0 0 3 1 0 0 7 1 0 0 1 1 0 0 5 1 TABLE 7 OPTIONAL ACCESSORIES HA4S3KA HA5S3KA L E D O M N O I T P I R C S E D 5 0 A S 4 A W H E e g a k c a P r e t a e H X 0 1 A S 4 A W H E e g a k c a P r e t a e H X 5 1 A S 4 A W H E e g a k c a P r e t a e H X 5 0 A S 5 A W H E e g a k c a P r e t a e H X 8 0 A S 5 A...

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