Page 2 - FIGURES; Description; TABLE OF CONTENTS
035-15407-002-B-0404 2 Unitary Products Group General................................................................................1Reference ............................................................................1Inspection .......................................................................
Page 3 - Use the following guidelines to select a suitable loca-; RIGGING AND HANDLING; MUST; INSTALLATION; TABLE 1; - UNIT APPLICATION DATA
LIMITATIONS These units must be installed in accordance with all national and local safety codes. If no local codes apply, installation must conform with the appropriate national codes. See Table 1 for Unit Application Data. Units are designed to meet National Safety Code Standards. If components ar...
Page 4 - TABLE 2
CLEARANCES All units require certain minimum clearances for proper opera- tion and service. Refer to Figure 4 for these clearances. WARNING: Do not permit overhanging structures or shrubs to obstruct condenser air discharge. Additional height may be required for snow clearance if winter operation is...
Page 5 - TABLE 3; - TYPICAL FIELD WIRING WITH KES/KEU AIR HANDLER; ISOLATION RELAY; TERMINALS; - TYPICAL WIRING WITH PUC FURNACE
035-15407-002-B-0404 Unitary Products Group 5 Model HCE Voltage Code Compressor Condenser Fan Motor Unit Ampacity (Amps) Max. Fuse Size 1 (Amps) Power Supply RLA LRA Power Supply HP Qty. FLA 090 25 208/230-3-60 25.6 190 208/230-1-60 3/4 1 3.03 35.1 60 46 460-3-60 12.8 95 460-1-60 3/4 1 1.6 17.6 30 5...
Page 6 - - UNIT DIMENSIONS AND CLEARANCES; CLEARANCES
035-15407-002-B-0404 6 Unitary Products Group FIG. 5 - UNIT DIMENSIONS AND CLEARANCES A I R O U T A I R I N 4 - 5 / 8 ( 1 1 8 ) 2 5 - 3 / 4 ( 6 5 5 ) 1 0 - 1 / 8 ( 2 5 8 ) 2 - 1 / 2 ( 6 . 4 ) 4 - 1 / 2 ( 1 1 5 ) G U A G E L I N E A C C E S S 1 - 1 / 8 " ( 2 8 . 6 ) O D S U C T I O N L I N E 1 / ...
Page 7 - REFRIGERANT PIPING; LINE SIZING
REFRIGERANT PIPING GENERAL GUIDELINES Many service problems can be avoided by taking adequate precautions to provide an internally clean and dry system and by using procedures and materials that conform with estab- lished standards.Use hard drawn copper tubing where no appreciable amount of bending ...
Page 8 - TABLE 4; NOTE: Maximum line length for HCE150 is 150 feet.; TABLE 5
035-15407-002-B-0404 8 Unitary Products Group NOTE: Add the operating charge of the condensing unit, the evaporator coil and the refrigerant lines to determine the total refrigerant charge of the system. 1 Charges are based on 40 ° F suction temperature and a 105 ° F liquid temperature. 2 Type “L” c...
Page 9 - - COOLING CAPACITIES AND POWER REQUIREMENTS
EXTENDING THE SERVICE PORTS (Refer to Fig 7.) 1. Loosen the screws securing the service ports in shipping position. 2. Push the service ports through the corner post. 3. Tighten the screws to secure the service ports for installa- tion. INSTALLATION Since the condensing units are shipped with a hold...
Page 10 - EVACUATION AND CHARGING
10. After the disc has been removed, burnish the external sur- faces and clean the internal surfaces as outlined above. The suction piping can now be brazed to the suction connection on the evaporator coil while maintaining a minimum flow of dry nitrogen. Before brazing the suction line to the conde...
Page 11 - EXTENDING THE SERVICE PORTS
035-15407-002-B-0404 Unitary Products Group 11 FIG. 7 - EXTENDING THE SERVICE PORTS
Page 12 - - CHARGING CURVE HCE090
035-15407-002-B-0404 12 Unitary Products Group FIG. 8 - CHARGING CURVE HCE090 FIG. 9 - CHARGING CURVE HCE120
Page 13 - - CHARGING CURVE HCE150
035-15407-002-B-0404 Unitary Products Group 13 FIG. 10 - CHARGING CURVE HCE150
Page 14 - CRANKCASE HEATER; OPERATION; temperature settings within the limitations of the system.
UNIT OPERATION - 7-1/2, 10 & 12-1/2 TON When the external control calls for cooling at terminal Y1: 1. The system controller (SC) is energized. The system con- troller starts the compressors and enables the condenser fans by energizing contactor 1M (and 2M on the 12-1/2 ton, 208/230 volt models)...