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