Instruction/ maintenance manual of the product D1EE 048 York
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GENERAL YORK Model DEE units are single package air conditioners designed for outdoor installation on a rooftop or a slab. Electric heaters are available as field-installed accessories. The units are completely assembled on rigid, permanently attached base rails.
035-12046-003-A-0204 2 Unitary Products Group General ................................................................................ 1 Inspection ............................................................................ 1 Reference ..............
LIMIT ATIONS These units must be installed in accordance with the current edition of the following national and local safety codes: In USA: 1. National Electrical Code ANSI/NFP A No. 70. 2. Local electric utility requirements. In Canada: 1. Canadian Electrical Code C22.
kept clean or replaced with same size and type. Dirty filters will reduce the capacity of the unit and will result in frosted coils or safety shutdown. Minimum filter area and required sizes are shown in T able 2. CONDENSA TE DRAIN Plumbing must conform to local codes.
All direct-drive units with 460 and 575 voltage are shipped with the wire labeled #1 16 connected to the “HIGH” speed tap on the blower motor . If the medium speed is required, connect wire #1 16 to the “MED” speed tap and the blue motor lead to the “HIGH” speed tap.
10. T o check that the damper blades move smoothly without binding, carefully turn the minimum position adjusting screw fully clockwise and then energize and de-energize terminals “R” to “G”. With terminals “R” to “G” energized, turn the minimum position screw counterclockwise until the desired minimum position has been attained.
035-12046-003-A-0204 Unitary Products Group 7 FIG. 5 - DIMENSIONS & CLEARANCES - 3 - 5 TONS DUCT COVERS - Units are shipped with all air duct openings covered. For side duct applications; 1.Remove and discard the supply and return air duct covers.
Install the bracket on the left hand side of the unit as shown in Figure 5. Several existing screws at the top of the unit and one screw approximately midway down from the top will be used for mounting the bracket. Screws should be loosened only - NOT REMOVED.
035-12046-003-A-0204 Unitary Products Group 9 T ABLE 4 - SUPPL Y AIR PERFORMANCE - 3 & 4 TON w/Belt-Drive Blower UNIT SIZE (MBH) AIR FLOW CFM Available External Static Pressure - IWG* 0.
035-12046-003-A-0204 10 Unitary Products Group T ABLE 5 - SUPPL Y AIR PERFORMANCE - 5 TON w/Belt-Drive Blower UNIT SIZE (MBH) AIR FLOW CFM Available External Static Pressure - IWG* 0.
035-12046-003-A-0204 Unitary Products Group 11 EXTERNAL ST A TIC PRESSURE DROP DESCRIPTION RESIST ANCE, IWG CFM 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Economizer 1, 3 0.07 0.08 0.09 0.1 1 0.13 0.15 0.17 0.20 0.23 0.26 0.30 Electric Heaters 1 5 - 15 KW 0.
The heaters are wired for a single point power supply . Power supply need only be brought into the single point terminal block and thermostat wiring to the low voltage terminal strip located in the upper portion of the unit control box. Fuses are supplied, where required, by the factory .
HEA T ANTICIP ATOR SETPOINTS It is important that the anticipator setpoint be correct. T oo high of a setting will result in longer heat cycles and a greater temperature swing in the conditioned space.
035-12046-003-A-0204 14 Unitary Products Group SECURE OWNER'S APPROV AL : When the system is functioning properly , secure the owner's approval. Show him the location of all disconnect switches and the thermostat. T each him how to start and stop the unit and how to adjust tem - perature settings within the limitations of the system.
035-12046-003-A-0204 Unitary Products Group 15.
Unitary Products Group 5005 York Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A 035-12046-003-A-0204 Copyright © 2004 by Unitary Products Group.
An important point after buying a device York D1EE 048 (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 D1EE 048 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 D1EE 048 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York D1EE 048 you will learn all the available features of the product, as well as information on its operation. The information that you get York D1EE 048 will certainly help you make a decision on the purchase.
If you already are a holder of York D1EE 048, 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 D1EE 048.
However, one of the most important roles played by the user manual is to help in solving problems with York D1EE 048. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York D1EE 048 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
