Instruction/ maintenance manual of the product H3CE120 York
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GENERAL These condensing units are designed for outdoor installation on a roof or at ground level. Every unit is completely piped and wired at the factory and is shipped ready for immediate installa- tion.
035-15407-002-B-0404 2 Unitary Products Group General ................................................................................ 1 Reference ............................................................................ 1 Inspection ..............
LIMIT ATIONS 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 T able 1 for Unit Application Data. Units are designed to meet National Safety Code Standards.
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 expected.
035-15407-002-B-0404 Unitary Products Group 5 Model HCE V oltage 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.
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 ( 118) 2 5 - 3 / 4 ( 6 5 5 ) 1 0 - 1 / 8 ( 2 5 8 ) 2 - 1 / 2 ( 6 . 4 ) 4 - 1 / 2 ( 115) G U A G E L I N E A C C E S S 1 - 1 / 8 " ( 2 8 .
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 around pipes or other obstructions is necessary .
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.
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.
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.
035-15407-002-B-0404 Unitary Products Group 11 FIG. 7 - EXTENDING THE SERVICE PORTS.
035-15407-002-B-0404 12 Unitary Products Group FIG. 8 - CHARGING CURVE HCE090 FIG. 9 - CHARGING CURVE HCE120.
035-15407-002-B-0404 Unitary Products Group 13 FIG. 10 - CHARGING CURVE HCE150.
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).
If the unit continues to be shut down by one of its safety con - trols, service should be called to determine the cause of the problem. Repeatedly resetting the lockout circuit may damage the unit. The following accessories are available to provide low am - bient operation to 0 ° F.
Unitary Products Group 5005 Y ork Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A Copyright © 2004 by Y ork International Corporation.
An important point after buying a device York H3CE120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought York H3CE120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data York H3CE120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York H3CE120 you will learn all the available features of the product, as well as information on its operation. The information that you get York H3CE120 will certainly help you make a decision on the purchase.
If you already are a holder of York H3CE120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime York H3CE120.
However, one of the most important roles played by the user manual is to help in solving problems with York H3CE120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York H3CE120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
