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Contents

Getting Other Informations and Publications ........ 1

General Instructions

Important ................................................................ 4
Shipping Damage .................................................... 4
General

................................................................ 4

Field-Installed Heater Packages (Optional) ............. 4

Installation

Location

................................................................ 6

Typical Installations .................................................. 6
Condensate Drain Trap ............................................ 9
Air Filters ................................................................ 9
Wiring – Main Power .............................................. 10
Wiring – 24V Low Voltage Control Circuit .............. 10
Transformer Taps ................................................... 10
Thermostats ........................................................... 10

Start Up and Operation

Three Phase Scroll Compressor Start Up
Information .............................................................. 11
Sequence of Operation ........................................... 11
Start Up Notes ........................................................ 11
High Pressure Switch and Lockout Relay ............... 11

Service and Troubleshooting

Service Hints ......................................................... 12
Pressure Service Ports .......................................... 12
Refrigerant Charge ................................................ 12
Fan Blade Settings ................................................. 12
Suction and Discharge Tube Brazing ..................... 12
Pressure Table ....................................................... 13

Figures

Figure 1

Prefabricated Rood Curb
Specifications .......................................... 5

Figure 2

Field Fabricated Curbing ......................... 5

Figure3

Elevated Mounting Platforms .................. 7

Figure 4

Airflow and Service Access
Clearances .............................................. 7

Figure 5

Roof Top Application ............................... 8

Figure 6

Slab Mounting at Ground Level ............... 8

Figure 7

Condensate Drain Trap ........................... 9

Figure 8

Low Voltage Wiring ............................... 10

Figure 9

Fan Blade Setting Dimensions .............. 12

Figure 10 Brazing Diagram ................................... 13

Tables

Table 1

Electrical Data ......................................... 2

Table 2

Optional Field Installed Heater
Packages ................................................ 2

Table 3

Optional Field Installed Heater Table ....... 3

Table 4

Maximum ESP of Operation ................... 4

Table 5

Rated CFM and Rated ESP .................... 6

Table 5A ESP in Inches H

2

O .................................. 6

Table 6

Air Filter Area and Size ........................... 9

Table 7

Thermostat Wire Size ........................... 10

Table 8

Wall Thermostat and Subbase
Combinations ........................................ 10

Table 9

Refrigerant Charge ............................... 12

Table10

Pressure Table ...................................... 13

Summary of Contents for P1060A1

Page 1: ...MODELS P1142A3 P1148A1 P1060A1 INSTALLATION INSTRUCTIONS Manual 2100 324B Supersedes 2100 324A File Volume II Tab 10 Date 04 01 02 Bard Manufacturing Company Bryan Ohio 43506 Since 1914 Moving ahead...

Page 2: ...charge Tube Brazing 12 Pressure Table 13 Figures Figure 1 Prefabricated Rood Curb Specifications 5 Figure 2 Field Fabricated Curbing 5 Figure3 Elevated Mounting Platforms 7 Figure 4 Airflow and Servic...

Page 3: ...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 Co...

Page 4: ...P 3 0 6 4 6 0 5 4 1 4 2 1 1 0 2 4 1 2 1 2 1 TABLE 1 ELECTRICALDATA Q R R TABLE 2 OPTIONALFIELDINSTALLEDHEATERPACKAGES ONLY TO BE USED WITH THE AIR CONDITIONING MODELS INDICATED S Standard application...

Page 5: ...0 2 0 4 2 3 8 0 2 0 4 2 3 8 0 2 0 4 2 9 5 1 8 1 0 0 7 0 3 0 0 2 1 5 0 0 4 1 6 5 7 6 5 2 1 1 0 5 3 1 0 0 0 3 2 0 0 4 8 3 0 0 1 6 4 7 1 2 2 6 3 4 3 4 1 1 1 8 2 6 4 5 5 0 3 0 5 0 6 0 1 8 6 0 1 0 1 0 1 9...

Page 6: ...d 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 recom...

Page 7: ...Return Air Dimension C is length Supply Air Dimension C is length Return Air Dimension H is width Supply Sir Dimension J is width f o o R b r u C A B C D E F J H d o o H f o o R l e d o M g n i n o i...

Page 8: ...be utilized to construct a suitable raised mounting platform See Figure 6 DUCT WORK Refer to Tables 4 5 and 5A when designing duct work for maximum static pressure available with the specific model a...

Page 9: ...Manual 2100 324 Page 7 FIGURE 3 ELEVATEDMOUNTINGPLATFORMS MIS 1183 MIS 1185 FIGURE 4 AIRFLOWANDSERVICEACCESSCLEARANCES...

Page 10: ...Manual 2100 324 Page 8 FIGURE 5 ROOFTOPAPPLICATION MAY ALSO BE REQUIRED FOR GROUND LEVEL INSTALLATIONS MIS 1176 FIGURE 6 SLAB MOUNTING AT GROUND LEVEL ABOVE 32 F OUTSIDE TEMPERATURE MIS 1184...

Page 11: ...ction size or larger Do not operate unit without trap Unit must be level or slightly inclined toward drain With a trap installed on a unit located in an unconditioned area water in the trap may freeze...

Page 12: ...g at full load maximum amperage operating condition WIRING MAIN POWER Refer to the unit rating plate for wire sizing information and maximum fuse size Each outdoor unit is marked with a Minimum Circui...

Page 13: ...Manual 2100 324 Page 11 FIGURE 8 LOWVOLTAGEWIRING MIS 1180...

Page 14: ...tomatically completed on any call for cooling operation or can be energized by manual fan switch on subbase for constant air circulation HEATING A circuit R W1 is completed on each heating cycle energ...

Page 15: ...pump unit model The lockout features both soft and manual are a function of the Compressor Control Module ADJUSTMENTS ADJUSTABLE DELAY ON MAKE AND DELAY ON BREAK TIMER The potentiometer is used to sel...

Page 16: ...at joint l e d o M A n o i s n e m i D 3 A 2 4 1 1 P 1 A 8 4 1 1 P 1 A 0 6 0 1 P 5 7 1 5 7 1 5 7 1 TABLE 9 The above suction line temperatures are based upon 80 F dry bulb 67 F wet bulb 50 RH temperat...

Page 17: ...6 e d i S w o L e d i S h g i H 3 7 3 0 2 4 7 7 1 2 5 7 1 3 2 6 7 6 4 2 8 7 4 6 2 9 7 8 7 2 0 8 4 9 2 1 8 2 1 3 2 8 0 3 3 B D g e d 0 8 B W g e d 7 6 e d i S w o L e d i S h g i H 8 7 8 0 2 9 7 2 2 2...

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