Bryant 524J 07 Installation, Start-Up And Service Instructions Manual Download

Page: 1 / 40

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No.

Printed in U.S.A.

Form II524J-7-16-02 Rev. A

Pg 1

1-22

Replaces: II524J-7-16-01

Installation, Start-up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1

PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . . . . . 12

Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Refrigerant Piping Access . . . . . . . . . . . . . . . . . . . . . . . . . 13

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

• DISCHARGE CONNECTIONS

• RETURN CONNECTIONS

• OUTDOOR-AIR INLET CONNECTIONS

Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Adjusting TXV for Superheat . . . . . . . . . . . . . . . . . . . . . . 24

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Individual Fan Wheel Adjustment . . . . . . . . . . . . . . . . . . 25

Fan Shaft Position Adjustment . . . . . . . . . . . . . . . . . . . . . 25

Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . . . . . . 26

Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Cleaning Cooling Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Cleaning Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Replacing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

START-UP CHECKLIST. . . . . . . . . . . . . . . . . . . . . . . .CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be

hazardous due to system pressure and electrical components.

Only trained and qualified service personnel should install,

repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance functions

of cleaning coils and filters and replacing filters. All other

operations should be performed by trained service personnel.

When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to the

unit, and other safety precautions that may apply.

Follow all safety codes, including ANSI (American National

Standards Institute) Z223.1. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations. Have

fire extinguisher available for all brazing operations.

It is important to recognize safety information. This is the

safety-alert symbol

. When you see this symbol on the unit

and in instructions or manuals, be alert to the potential for

personal injury.

Understand the signal words DANGER, WARNING,

CAUTION, and NOTE. These words are used with the safety-

alert symbol. DANGER identifies the most serious hazards

which

will

result in severe personal injury or death.

WARNING signifies hazards which

could

result in personal

injury or death. CAUTION is used to identify unsafe practices,

which

may

result in minor personal injury or product and

property damage. NOTE is used to highlight suggestions

which

will

result in enhanced installation, reliability, or

operation.

DANGER

ELECTRICAL SHOCK HAZARD

Failure to follow this warning will result in personal injury

or death.

Before performing service or maintenance operations on

unit, turn off main power switch to unit and install lock(s)

and lockout tag(s). Ensure electrical service to rooftop unit

agrees with voltage and amperage listed on the unit rating

plate. Unit may have more than one power switch.

WARNING

UNIT OPERATION AND SAFETY HAZARD

Failure to follow this warning could cause personal injury,

death and/or equipment damage.

R-410A refrigerant systems operate at higher pressures

than standard R-22 systems. Do not use R-22 service

equipment or components on R-410A refrigerant

equipment.

524J 07-16

Packaged Air-Handling Units

with R-410A Refrigerant

60 Hz

Summary of Contents for 524J 07

Page 1: ...air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that may apply Follow all safety codes including ANSI American National Standards Institute Z223 1 Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extinguisher available for all brazing operations It is important to recognize ...

Page 2: ...1 2 ft 762 mm Right Side 3 1 2 ft 1067 mm Left Side 2 1 2 ft 762 mm For units equipped with an economizer refer to the accessory installation instructions for additional clearance requirements Be sure floor wall or ceiling can support unit weight Tables 1 6 See Fig 2 and 3 for dimensions Uncrating Move unit as near as possible to final location before removing shipping skid Remove metal banding to...

Page 3: ...ot Used A Not Used Packaging A Standard 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 5 2 4 J E 1 2 A 0 0 0 A 1 0 A A A All 07A H 14A H units with a E voltage designation are triple voltage 208 230 460 3 60 Size 16A H is also triple voltage in the E configuration unless the High Static Alternate motor option is used that is discrete 460 3 60 Single phase 07A H and 08A H are designate standard motor an...

Page 4: ...4 Fig 2 Dimensions Sizes 07 12 ...

Page 5: ...5 Fig 2 Dimensions Sizes 07 12 cont ...

Page 6: ...6 Fig 3 Dimensions Size 14 and 16 ...

Page 7: ...7 Fig 3 Dimensions Size 14 and 16 cont ...

Page 8: ...15 9 12 16 Split Type Percentage Face 50 50 Face 50 50 Face 50 50 Rows Fins in 4 15 4 15 4 15 4 15 4 15 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 1 1 1 8 1 1 1 8 2 1 1 8 2 1 1 8 2 1 1 8 DX Coil Liquid Refrigerant ODF 1 5 8 1 5 8 2 5 8 2 5 8 2 5 8 Steam Coil In MPT 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Steam Coil Out MPT 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 Hot Water Coil In MPT ...

Page 9: ...rcuits per Split 12 15 9 12 16 Split Type Percentage Face 50 50 Face 50 50 Face 50 50 Rows Fins m 4 591 4 591 4 591 4 591 4 591 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 1 1 1 8 1 1 1 8 2 1 1 8 2 1 1 8 2 1 1 8 DX Coil Liquid Refrigerant ODF 1 5 8 1 5 8 2 5 8 2 5 8 2 5 8 Steam Coil In MPT 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Steam Coil Out MPT 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 ...

Page 10: ... per Split 15 12 12 9 10 Split Type Percentage Face 50 50 Face 50 50 Rows Fins in 3 15 4 15 4 15 4 15 4 15 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 1 1 1 8 1 1 1 8 1 1 1 8 2 1 1 8 2 1 1 8 DX Coil Liquid Refrigerant ODF 1 5 8 1 5 8 1 5 8 2 5 8 2 5 8 Steam Coil In MPT 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Steam Coil Out MPT 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 Hot Water Coil In M...

Page 11: ...12 12 9 10 Split Type Percentage Face 50 50 Face 50 50 Rows Fins m 3 591 4 591 4 591 3 591 4 591 PIPING CONNECTIONS Quantity Size in DX Coil Suction ODF 1 1 1 8 1 1 1 8 1 1 1 8 2 1 1 8 2 1 1 8 DX Coil Liquid Refrigerant ODF 1 5 8 1 5 8 1 5 8 2 5 8 2 5 8 Steam Coil In MPT 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Steam Coil Out MPT 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1 2 Hot Water Coil In MPT 1 1 1 2...

Page 12: ...hnique The unit needs support underneath to prevent sagging Unit Isolation Where extremely quiet operation is essential install isolators between floor and base of unit or between ceiling and top section of unit Be sure that unit is level and adequately supported Use channels at front and sides of unit for reference points when leveling Table 5 569J Single Circuit with 524J A MODEL NUMBER FULL LOA...

Page 13: ...nit s coils for all 524J 07A 08A 12A 14A and 16A and 524J 07H 08H and 12H units 524J 16H units require additional holes that must be field fabricated to accommodate the piping See Fig 7 for the positions and di mensions of the additional access holes required for 524J 16H units Recommended access hole use is also listed for all units Note that Fig 7 shows the access holes on the control box side o...

Page 14: ...BBIZE 5 GA 1 1136 15 1 4 1 G5 524J 07H2 4 Row 1 BBIZE 8 GA 1 1113 12 3 16 1 G5 524J 08A 4 Row 1 BBIZE 6 GA 1 1136 15 1 4 1 G5 524J 08H 4 Row 1 BBIZE 8 GA 1 1113 12 3 16 1 G5 524J 12A 4 Row 2 BBIZE 4 GA 2 1135 9 1 4 2 G3 524J 12H 4 Row 2 BBIZE 5 GA 2 1113 9 3 16 2 G3 524J 14A 4 Row 2 BBIZE 5 GA 2 1113 12 3 16 2 G3 524J 16A 4 Row 2 BBIZE 6 GA 2 1136 16 3 16 2 G4 524J 16H 4 Row 2 BBIZE 8 GA 2 1113 10...

Page 15: ...uid Upper 5 8 Street Elbow 5 8 Nipple 10 1 2 L 5 8 Long Radius Elbow 4 Suction Upper 1 1 8 Nipple 5 5 8 L 1 1 8 Long Radius Elbow 1 1 8 Nipple 12 L 1 1 8 Long Radius Elbow 524J 14A 1 Suction Lower 1 1 8 Street Elbow 1 1 8 Nipple 7 5 8 L 1 1 8 Long Radius Elbow 2 Liquid Lower 5 8 Street Elbow 5 8 Nipple 1 7 16 L 5 8 Long Radius Elbow 3 Liquid Upper 5 8 Street Elbow 5 8 Nipple 11 1 2 L 5 8 Long Radi...

Page 16: ...NSING BULB EQUALIZER LINE SIGHT GLASS TXV SOLENOID VALVE FILTER DRIER TXV SENSING BULB TXV 8 DIAMS MIN 15 DIAMS MIN 10 DIAMS INDOOR COIL EQUALIZER LINE Single Circuit Coil Piping Configuration 524J 07A H 08A H For single compressor condensing units Dual Circuit Coil Piping Configuration 524J 12A H 16A H For single compressor condensing units UPPER SPLIT AIRFLOW 15 DIAMS MIN 10 DIAMS 8 DIAMS MIN TX...

Page 17: ...oward the drain connection Fig 11 Condensate Drain Fig 12 Drain Pan Slope Adjustment Fan Motors and Drives Motor and drive packages are factory installed in all units The motor and drive packages consist of the following items 1 fan motor 1 adjustable motor pulley 1 fan pulley 1 fan belt 524J 07A 12A 524J 07H 12H units 2 matched fan belts 524J 14A 16A 524J 16H units For instructions on changing fa...

Page 18: ... 2 0 1 49 2 4 3 0 15 524J 14A 208 230 3 60 187 253 2 9 2 16 7 5 10 0 15 460 3 60 414 506 2 9 2 16 3 4 5 0 15 575 3 60 518 632 3 0 2 24 3 8 5 0 15 524J 16A 524J 16H 208 230 3 60 187 253 3 7 2 76 10 2 13 0 20 460 3 60 414 506 3 7 2 76 4 8 6 0 15 575 3 60 518 632 3 0 2 24 3 8 5 0 15 Table 11 Electrical Data Alternate Motors Single Speed UNIT V PH Hz VOLTAGE LIMITS FAN MOTOR POWER SUPPLY Hp kW FLA MIN...

Page 19: ...60 3 60 414 506 3 7 2 76 4 9 7 0 15 575 3 60 518 632 3 7 2 76 4 5 6 0 15 Table 13 Electrical Data Alternate Motors Two Speed UNIT V PH Hz VOLTAGE LIMITS FAN MOTOR POWER SUPPLY Hp kW FLA MINIMUM CIRCUIT AMPS MAX FUSE 524J 07A 524J 07H 208 230 3 60 187 253 3 7 2 76 10 8 14 0 20 460 3 60 414 506 3 7 2 76 4 9 7 0 15 575 3 60 518 632 3 7 2 76 4 5 6 0 15 524J 08A 524J 08H 208 230 3 60 187 253 3 7 2 76 1...

Page 20: ...s Size the Field Power Wiring between the heater TB1 and the 524J indoor fan motor per NEC Article 430 28 1 or 2 depends on length of conduit between heater enclosure and 524J power entry location Install wires in field installed conduit Example Supply voltage is 230 3 60 Determine maximum deviation from average voltage AB 397 393 4 v BC 403 397 6 v AC 397 396 1 v Maximum deviation is 4 v Determin...

Page 21: ...mation on the units corner post Fan motors are factory installed on all units Indoor fan contactors are located in the fan contactor box behind the side access panel See Fig 14 and 15 Wire the thermostat to the 24 v control circuit termi nal block located in the side of the fan contactor control box accord ing to Fig 16 or the unit label diagram If the air handler is part of a split system complet...

Page 22: ...urn air ductwork route return air duct to the unit s return air inlet near the filter rack using a canvas connection to prevent transmission of unit vibration If the duct blocks off the unit s access panel provide a slip joint in the ductwork to permit removal for servicing OUTDOOR AIR INLET CONNECTIONS Connect outdoor air inlet to field installed accessory econo mizer Refer to Economizer Installa...

Page 23: ...23 Fig 17 Typical Fan Discharge Connections for Multiple Fan Units Fig 18 Duct Flange Installation ...

Page 24: ... ed replace unit panels Panels Panels are fastened to unit frame with sheet metal screws Fan and coil compartment must be sealed tightly after service to prevent air from bypassing the cooling coil Fan Motor Lubrication Fan motor supplied with unit is permanently lubricated and requires no further lubrication Fan Shaft Bearings Size 07A 12A units are sealed permanently lubricated bear ings that re...

Page 25: ...tightening of collar should setscrew work itself loose Fig 22 Fan Shaft Bearing Fan Belts Motor mounting plate and motor support angles are slotted to permit both vertical and horizontal adjustment Adjust belt s for correct deflection by loosening motor plate mounting bolts moving motor plate assembly forward or back and re tightening bolts Press down on belt with one finger midway between fan and...

Page 26: ...place with clean filters of the sizes listed in Tables 1 6 Coil Removal Remove unit panels and corner posts as required Disconnect coil connections and remove fastening screws Remove coil through end or side sections of unit Cleaning Cooling Coil Remove return air filters Remove any heavy dirt that may have accumulated on underside of coil Coil can be cleaned more easily with a stiff brush vacuum ...

Page 27: ...ctrical Manufacturers Association Table 17 Fan Motor Data 524J Alternate Motor Single Speed English UNIT 524J 07A H 524J 08A H 524J 12A H 524J 14A 524J 16A H 208 230 1 60 Speed rpm 1725 1725 Hp 2 4 2 4 Frame NEMA 56Y 56Y Shaft Dia in 5 8 5 8 230 3 60 and 460 3 60S Speed rpm 1750 1750 1750 1750 1755 Hp 2 9 2 9 3 7 3 7 5 0 Frame NEMA 56Y 56Y 56HZ 56HZ 184T Shaft Dia in 7 8 7 8 7 8 7 8 1 1 8 575 3 60...

Page 28: ...6HZ 56HZ 56HZ 56HZ Shaft Dia mm 15 9 22 2 22 2 22 2 22 2 NEMA National Electrical Manufacturers Association Table 20 Fan Motor Data 524J Alternate Motor Single Speed SI UNIT 524J 07A H 524J 08A H 524J 12A H 524J 14A 524J 16A H 208 230 1 60 Speed r s 28 75 28 75 Shaft kW 1 79 1 79 Frame NEMA 56Y 56Y Shaft Dia mm 15 9 15 9 208 230 3 60 and 460 3 60 Speed r s 29 17 29 17 29 17 29 17 29 25 Shaft kW 2 ...

Page 29: ...tor Efficiency 524J A Two Speed Motor MOTOR HP EPACT MINIMUM MOTOR EFFICIENCY 2 4 80 0 2 9 86 5 3 7 83 6 5 0 89 5 89 5 EPACT Energy Policy and Conservation Act of 1992 Table 24 Fan Motor Data 524J A Standard Motor Two Speed SI UNIT 524J 07A 524J 08A 524J 12A 524J 14A 524J 16A 208 230 3 60 and 460 3 60 Speed r s 28 00 28 00 28 00 28 92 29 17 Shaft kW 1 79 1 79 1 79 2 16 2 76 Frame NEMA 56HY 56HY 56...

Page 30: ... 1 1 8 Table 28 Motor Efficiency 524J H Two Speed Motor MOTOR HP EPACT MINIMUM MOTOR EFFICIENCY 1 7 82 0 2 4 80 0 2 9 86 5 3 7 83 6 3 7 87 9 5 0 89 5 87 9 EPACT Energy Policy and Conservation Act of 1992 Table 29 Fan Motor Data 524J H Standard Motor Two Speed SI UNIT 524J 07H 524J 08H 524J 12H 524J 16H 208 230 3 60 and 460 3 60 Speed r s 28 00 28 00 28 17 29 17 Shaft kW 1 79 1 79 1 27 2 76 Frame N...

Page 31: ...ION 5 5 5 5 5 SHAFTS CENTER DISTANCE IN 10 44 12 32 10 44 12 32 10 44 12 32 10 44 12 32 10 44 12 32 Table 32 Medium Static Drive Data 60 Hz English UNIT 524J 07A H 524J 08A H 524J 12A H 524J 14A 524J 16A H MOTOR DRIVE Motor Pulley Pitch Diameter in 3 4 4 4 3 4 4 4 3 4 4 4 3 4 4 4 3 7 4 7 Pulley Factory Setting Full Turns Open 2 5 2 5 2 5 2 5 3 0 FAN DRIVE Pulley Pitch Dia in 8 8 8 0 8 0 8 2 8 6 Pu...

Page 32: ...ed rpm 1200 1200 1200 1200 1200 Change per 1 2 Turn of Moveable Motor Pulley Flange 24 6 28 7 28 7 19 4 18 4 MAX FULL TURN FROM CLOSED POSITION 5 5 5 6 6 SHAFTS CENTER DISTANCE IN 10 44 12 32 10 44 12 32 10 44 12 32 10 44 12 32 9 16 10 99 Table 34 Standard Drive Data 60 Hz SI UNIT 524J 07A H 524J 08A H 524J 12A H 524J 14A 524J 16A H MOTOR DRIVE Motor Pulley Pitch Diameter mm 61 0 86 4 71 1 96 5 86...

Page 33: ...llowable Speed r s 20 0 20 0 20 0 20 0 20 0 Change per 1 2 Turn of Moveable Motor Pulley Flange 0 328 0 360 0 360 0 352 0 278 MAX FULL TURN FROM CLOSED POSITION 5 5 5 6 6 SHAFTS CENTER DISTANCE MM 265 313 265 313 265 313 265 313 265 313 Table 36 High Static Drive Data 60 Hz SI UNIT 524J 07A H 524J 08A H 524J 12A H 524J 14A 524J 16A H MOTOR DRIVE Motor Pulley Pitch Diameter mm 86 4 111 8 86 4 111 8...

Page 34: ...18 1 30 874 1 47 928 1 66 3400 646 0 99 683 1 09 752 1 29 813 1 48 869 1 67 920 1 86 970 2 06 3750 705 1 31 739 1 42 804 1 63 862 1 85 915 2 05 964 2 26 1011 2 48 524J 12A 524J 12A 3000 421 0 35 592 0 73 670 0 90 737 1 06 797 1 23 854 1 41 908 1 59 3500 626 0 98 664 1 08 735 1 28 798 1 48 855 1 67 908 1 87 958 2 07 4000 706 1 42 738 1 54 803 1 77 862 2 00 917 2 23 967 2 45 1014 2 67 4500 786 1 99 ...

Page 35: ...7 2 13 1154 2 33 3000 980 1 86 1031 2 06 1081 2 27 1129 2 49 1175 2 72 3400 1018 2 26 1065 2 48 1111 2 70 1156 2 93 3750 1057 2 69 1101 2 92 1144 3 15 1186 3 39 524J 12A 524J 12A 3000 961 1 78 1012 1 98 1062 2 19 1111 2 41 1158 2 64 3500 1005 2 27 1052 2 49 1098 2 71 1142 2 94 1186 3 18 4000 1058 2 90 1101 3 13 1143 3 36 1184 3 60 4500 1116 3 66 1157 3 91 1196 4 16 5000 1176 4 56 524J 14A 3750 912...

Page 36: ...0 10 76 0 74 11 39 0 81 12 54 0 96 13 55 1 10 14 48 1 24 15 34 1 39 16 17 1 53 1770 11 74 0 97 12 32 1 06 13 40 1 22 14 37 1 38 15 25 1 53 16 07 1 69 16 86 1 85 524J 12A 524J 12A 1420 7 02 0 26 9 86 0 54 11 17 0 67 12 28 0 79 13 29 0 92 14 23 1 05 15 14 1 19 1650 10 44 0 73 11 06 0 80 12 25 0 96 13 31 1 10 14 25 1 25 15 13 1 39 15 96 1 54 1890 11 76 1 06 12 31 1 15 13 38 1 32 14 37 1 49 15 28 1 66...

Page 37: ... 18 45 1 58 19 24 1 74 1420 16 34 1 38 17 19 1 54 18 01 1 70 18 81 1 86 19 59 2 03 1600 16 97 1 69 17 76 1 85 18 52 2 02 19 27 2 19 1770 17 61 2 01 18 35 2 18 19 07 2 35 19 77 2 53 524J 12A 524J 12A 1420 16 02 1 33 16 87 1 48 17 71 1 64 18 52 1 80 19 30 1 97 1650 16 76 1 70 17 53 1 85 18 29 2 02 19 04 2 19 19 77 2 37 1890 17 64 2 16 18 35 2 33 19 05 2 51 19 74 2 69 2120 18 60 2 73 19 28 2 91 19 93...

Page 38: ...and 27 4 Reverse the procedure to install new filters To install new filters in larger units that have 2 fans follow the preceding steps but use the factory supplied filter hook to slide filters within reach for removal The filter hook is shipped inside the unit in the filter track Fig 26 Remove Filter Retainer Clip Fig 27 Filter Removal Replacement CAUTION EQUIPMENT DAMAGE HAZARD Failure to follo...

Page 39: ...WIRING CONNECTIONS MADE CHECKED Y N _________ ARE ALL WIRING TERMINALS including main power supply TIGHT Y N ______________ HAVE OUTDOOR UNIT CRANKCASE HEATERS BEEN ENERGIZED FOR 24 HOURS Y N _________ INDOOR UNIT HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE Y N _________ ARE PROPER AIR FILTERS IN PLACE Y N ______________ HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMEN...

Page 40: ...GE LINE TEMP ______________ ____________ ENTERING OUTDOOR UNIT AIR TEMP ______________ ____________ LEAVING OUTDOOR UNIT AIR TEMP ______________ ____________ INDOOR UNIT ENTERING AIR DB TEMP ______________ ____________ INDOOR UNIT ENTERING AIR WB TEMP ______________ ____________ INDOOR UNIT LEAVING AIR DB TEMP ______________ ____________ INDOOR UNIT LEAVING AIR WB TEMP ______________ ____________ ...

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