Instruction/ maintenance manual of the product E3FB090 York
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GENERAL REFERENCE St andard Register TOLL FREE T elephone: 877-318-9675 TOLL FREE Fax: 877-379-7920 INSPECTION SPLIT -SYSTEM HEA T PUMPS OUTDOOR UNITS INST ALLATION MANUAL 035-15410-002-B-0404 MODELS .
2 Unitary Products Group 090 = 7-1/2 T on 120 = 10 T on T ABLE OF CONTENTS INST ALLATION OPERATION ° ST ART -UP MAINTENANCE LIST OF FIGURES LIST OF T ABLES.
LIMIT ATIONS LOCATION 1. The outdoor units must be installed outside the building. The outdoor fans are the propeller type and are not suitable for use with duct work. 2. The outdoor and indoor units should be installed as close together as possible and with a minimum number of bends in the refrigerant piping.
CLEARANCES WARNING: Do not permit overhanging structures or shrubs to obstruct air discharge. COMPRESSORS CAUTION: Do Not loosen compressor mounting bolts. COMPRESSOR CRANKCASE HEA TER CAUTION: Do not attempt to start the compressor without at least eight hours of crankcase heat or compressor damage will occur .
Both the manual and auto changeover thermostats have non- adjustable, voltage-type anticip ators for both cooling and heat - ing. WIRE SIZING REFRIGERANT PIPING GENERAL GUIDELINES Unitary Products Group 5 035-15410-002-B-0404 FIG . 3 - TYPICAL FIELD WIRING 200/230-3-60 0.
6 Unitary Products Group FIG . 4 - UNIT DIMENSIONS AND CLEARANCES - 7-1/2 & 10 TON All dimensions are in inches. They are subject to change without notice. Certified dimensions will be provided upon request. Overhead (T op) 1 Front (Piping and Access Panels) Left Side Right Side Rear Bottom 2 1 Units must be installed outdoors.
LINE SIZING ° Oil return will be critical during: The cooling cycle when the outdoor unit is above the indoor unit (detail 1 of Figure 5). The heating cycle when the indoor unit is above the outdoor unit (detail 4 of Figure 5). EXAMPLES: #1 - 7-1/2 T on System 125 feet of 1-3/8" OD, type “L” copper tubing (125 feet x 1.
(29 feet x 8.0 psi/100 feet) ............................................. 2.3 p si 7 feet of 1-3/8" OD, type “L” copper tubing (horizontal) (7 feet x 2.8 psi/100 feet) ............................................... 0.2 p si Fitting* .......
NOTE: Use only copper tubing that has been especially cleaned and dehydrated for refrigerant use. If the tub - ing has been open for an extended period of time, it should be cleaned before being used. NOTE: 1. The matched air handlers are shipped with a small R-22 charge and they should be checked for leaks before instal - lation.
BALANCE POINT SETTING The outdoor design temperature, The building heat loss at the outdoor design temperature, and The heating capacity of the system at the outdoor design temperature.
Unitary Products Group 11 035-15410-002-B-0404 FIG . 7 - REFRIGERANT FLOW DIAGRAM.
12 Unitary Products Group FIG . 8 - CHARGING CUR VE EFB090 FIG . 9 - CHARGING CUR VE EFB120.
GENERAL CAUTION: Reversing valves and check valves are precise mechanical devices and will not tolerate any me - chanical abuse such as hammering. If a refrigerant system isn't properly cleaned after a compressor burn-out, scale may build up at these devices and prevent them from operating properly .
IN ALL THREE RESET METHODS DESCRIBED ABOVE, A FIVE MINUTE TIME DELA Y WILL T AKE PLACE AFTER THE RESET BEFORE THE UNIT WILL REST AR T . 8. Supplemental electric heat (if installed) will be controlled by second stage TH2 of the thermostat. The supplement al electric heat circuit is controlled through low voltage termi - nals W , 60 and 66.
CRANKCASE HEA TER CAUTION: DO NOT A TTEMPT TO ST ART THE COMPRES - SOR WITHOUT A T LEAST 8 HOURS OF CRANKCASE HEA T OR COMPRESSOR DAM - AGE WILL OCCUR. PRE-ST ART CHECK 1. Have sufficient clearances been provided? 2. Has all foreign matter been removed from the interior of the unit (tools, construction or shipping materials, etc.
Untiary 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 E3FB090 (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 E3FB090 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 E3FB090 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York E3FB090 you will learn all the available features of the product, as well as information on its operation. The information that you get York E3FB090 will certainly help you make a decision on the purchase.
If you already are a holder of York E3FB090, 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 E3FB090.
However, one of the most important roles played by the user manual is to help in solving problems with York E3FB090. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York E3FB090 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
