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General ................................................................................ 1
Reference............................................................................. 1
Inspection............................................................................. 1
Nomenclature....................................................................... 2

INSTALLATION

Limitations ............................................................................ 3
Location ............................................................................... 3

Roof-Top Locations....................................................... 3
Ground Level Locations................................................ 3

Rigging and Handling .......................................................... 3
Clearances........................................................................... 4
Power and Control Wiring .................................................... 4

Power Wiring................................................................. 4
Control Wiring ............................................................... 4

Compressor Crankcase Heater ........................................... 4
Refrigerant Piping ................................................................ 7

General Guidelines....................................................... 7
Line Sizing .................................................................... 7
Service Valves .............................................................. 7

Installation ............................................................................ 9
Extending The Service Ports ............................................... 9
Evacuation and Charging .................................................... 9

START-UP

Crankcase Heater .............................................................. 11
Pre-Start Check ................................................................. 11
Initial Start-Up .................................................................... 11

OPERATION

First Stage Cooling ............................................................ 11
Anti-Short Cycle Timer Delay 3TR & 4TR ......................... 11

Compressor Control Module.............................................. 11
Low or High Pressure Lock Out Operation........................ 11
Resetting the Lock Out ...................................................... 12
Second Stage of Cooling ................................................... 12
Low Ambient Cooling ......................................................... 12
Safety Features.................................................................. 12
Secure Owner’s Approval .................................................. 12
Maintenance ...................................................................... 12
Cleaning Condenser Surface............................................. 13
Lubrication ......................................................................... 12
Compressor Replacement ................................................. 12

TABLES

  No.                         Description                                        Page

1

Unit Application Data ..................................

3

2

Physical Data ..............................................

4

3

Electrical Data.............................................

5

4

Suction Lines ..............................................

7

5

Liquid Lines.................................................

8

6

Refrigerant-22 Line Charge ........................

8

7

Cooling Cap. and Power  Requirements.....

8

FIGURES

  No.                         Description                                        Page

1

Center of Gravity.........................................

3

2

Typical Rigging............................................

4

3

Typical Field Wiring .....................................

5

4

Unit Dimensions and Clearances ...............

6

5

Point Loads .................................................

6

6

Extending the Service Ports .......................

10

7

Charging Curve for HCE180.......................

11

8

Charging Curve for HCE240.......................

11

H

3

C

E

2

5

8

A

PRODUCT NOMENCLATURE

PRODUCT GENERATION

3 = 3rd Generation

PRODUCT CATEGORY

H = Split-System Condensing Unit

PRODUCT IDENTIFIER

CE = Condensing Section

VOLTAGE CODE

25 = 208/230-3-60
46 = 460-3-60
58 = 575-3-60

NOMINAL COOLING

CAPACITY

  180 = 15 Tons
  240 = 20 Tons

FACTORY INSTALLED HEAT

A = Not Applicable

1

0

TABLE OF CONTENTS

550.23-N6Y

2

Unitary Products Group

Summary of Contents for H3CE180

Page 1: ...f the evaporator blower units refer to instruction Form 550 23 N4Y All accessories come with a separate Installation Manual Refer to Parts Manual for complete listing of replacement parts on this equi...

Page 2: ...Secure Owner s Approval 12 Maintenance 12 Cleaning Condenser Surface 13 Lubrication 12 Compressor Replacement 12 TABLES No Description Page 1 Unit Application Data 3 2 Physical Data 4 3 Electrical Dat...

Page 3: ...4 Footers under the slab that extend below the frost line are recom mended Anystrainontherefrigerantlinesmaycausearefrigerant leak Theslabshouldnotbetiedtothebuildingfoundationbecause noise and vibra...

Page 4: ...r general installation procedure Refer to Figure 3 for typical field wiring COMPRESSOR CRANKCASE HEATER The compressor is equipped with a crankcase heater to prevent refrigerant from mixing with crank...

Page 5: ...R S H 3 C E 1 8 0 K 1 E U 1 8 0 H 3 C E 2 4 0 L 3 E U 2 4 0 3 P H A S E L I N E V O L T A G E P O W E R S U P P L Y 3 P H A S E L I N E V O L T A G E P O W E R S U P P L Y 3 P H A S E L I N E V O L T...

Page 6: ...A C C E S S E X T E R N A L P R E S S U R E G A U G E F I T T I N G S C O N T R O L B O X A C C E S S 9 1 3 2 7 6 7 8 7 1 3 2 3 9 7 8 1 3 1 4 3 0 3 4 2 4 1 2 1 2 1 8 C D F E F E F A B All dimensions a...

Page 7: ...on line must be sized for both pressure drop and for oil return For certain piping arrangements different suction line sizes may have to be used The velocity of the suction gas must always be great en...

Page 8: ...oor system performance but could also damage the expansion valve TABLE 5 LIQUID LINES Liquid Line2 Inches O D 5 8 0 113 lb ft 7 8 0 237 lb ft Suction Line2 Inches O D 1 5 8 0 018 lb ft 2 1 8 0 031 lb...

Page 9: ...rom the access port on the liquid line service valve of the condensing unit to the hole through the suction disc on the evaporator coil 3 Unbraze the coil s liquid line disc while maintaining a flow o...

Page 10: ...f the refrigerant for the total system by adding the required charge for the outdoor unit the indoor unit and the refrigerant lines using information in Tables 2 Physical Data and 6 Refrigerant Line C...

Page 11: ...F Ambient 95 F Ambient 85 F Ambient 75 F Ambient Charging Curve H CE240 200 250 300 350 400 57 62 67 72 77 82 87 92 97 Suction Pressure Discharge Pressure 115 F Ambient 105 F Ambient 95 F Ambient 85...

Page 12: ...rgized locking out cooling operation until the call for cooling has been removed When Y1 is returned to 0 volts the LOR coil is no longer energized closing the LOR 1 contacts and removing the lock out...

Page 13: ...ration to 0 F SAFETY FEATURES 1 The compressor is protected against over current and excessive temperature as described in the Sequence of Operation 2 The compressor is equipped with a crankcase heate...

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