Manual York MA

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  • York MA - page 1

    262675-UIM-A-0806 MODULAR NON-V ARIABLE SPEED AIR HANDLERS MODELS: MA INSTALLATION MANUAL ISO 9001 Certified Quality Management System SECTION I: GENERAL This modular air handler provides the flexibility for installation in any upflow , downflow , or horizontal application. These versatile models may be used for cooling or heat pump operati on with ...

  • York MA - page 2

    262675-UIM-A-0806 2 Unitary Products Group 1. Install this air handler only in a location and position as specified in SECTION III of these instructions. 2. Always install the air handler to operate within the air handler ’s intended maximum outlet air t emperature. Only connect the air handler to a duct system which has an external static pressu ...

  • York MA - page 3

    262675-UIM-A-0806 Unitary Products Group 3 DOWNFL OW AND HORIZONT AL CONVERSION These air handler units are supplied r eady to be installed in a upflow , downflow and left or right hand horizontal position. If the unit is to be installed with an evaporator coil, refer to Figure 1 for unit positioning information. AIR HANDLER AND COIL UPFL OW AND HO ...

  • York MA - page 4

    262675-UIM-A-0806 4 Unitary Products Group DUCT CONNECT ORS Air supply and return may be handled in one of several ways best suited to the installation. See Figure 3 for dimensions for duct inlet and outlet connections. The vast majority o f problems encountered with combination heating and cooling systems can be linked to improperly designed or in ...

  • York MA - page 5

    262675-UIM-A-0806 Unitary Products Group 5 HORIZONT AL SUSPENSION For suspension of these units in hor izontal applications, it is recom- mended to use angle steel support brackets with threaded rods, sup - porting the units from the bottom, at the locations shown in Figure 4. SECTION IV : ELECTRIC HEA TER INST ALLA TION If the air handler requires ...

  • York MA - page 6

    262675-UIM-A-0806 6 Unitary Products Group NOTE: All wiring must comply with lo cal and national electrical code requirements. Read and heed all unit caution labels. NOTE: It is possible to vary the amount of electric hea t turned on during the defrost cycle of a heat pump. St andard wiring will only bring on the first stage of electric heat during ...

  • York MA - page 7

    262675-UIM-A-0806 Unitary Products Group 7 External Relay Outputs The control includes thre e outputs to drive external relays having 24 V AC coils. The outputs have a maximum rating of 1.0 Amp pilot duty at 24 V AC. HUM OUT The HUM OUT output can be used to drive an external relay or solenoid (24 V AC coil) to control a humidifier . The output is ...

  • York MA - page 8

    262675-UIM-A-0806 8 Unitary Products Group SECTION VIII: BLO WER SPEED CONNECTIONS All air handlers contain 3-speed blower motors which are prewired to the control board. Adjust blower motor speed to provide air flow within the minimum and maximum limits approved for evaporator coil, electric heat and outdoor unit. S peed tap adjustments are made a ...

  • York MA - page 9

    262675-UIM-A-0806 Unitary Products Group 9 SECTION IX: UNIT DA T A TA B L E 7 : Physical and Electrical Data Models: MA 08B21 12B21 12B41 14D21 Blower - Diameter x Width 10 x 9 10 x 9 10 x 9 10 x 10 Motor HP 1/4 HP 3/4 HP 3/4 HP 1/2 HP Nominal RPM 1075 1075 1075 1075 V oltage 208 / 230 208 / 230 460 208 / 230 Amps Full Load 1.5 3.5 2.3 2.4 Filter 1 ...

  • York MA - page 10

    262675-UIM-A-0806 10 Unitary Products Group * May be 0 (no breaker) or 1 (with breaker). TA B L E 1 1 : Electrical Data - 1 Ø - 208/23 0-1-60 Models MA Heat Kit - Single Phase Max. Stat i c Min. Spe ed Ta p To ta l H e a t 1 KW Staging KW MBH W1 Only W2 Only W1 + W2 208V 240V 208V 240V 208V 240V 208V 240V 208V 240V 08BN21 4HK*6500206 0.5 Lo 1.9 2. ...

  • York MA - page 11

    262675-UIM-A-0806 Unitary Products Group 11 * May be 0 (no breaker) or 1 (with breaker). T ABLE 13: Electrical D a t a - (For Single Source Power Supply) - Copper W ire 1 Ø - 208 /230-1-60 Models MA Heat Kit - Single Phase* Heater Amps 240V Field W iring Min. Circuit Ampacity Max. O.C.P . 1 Amp s/T ype 75 ° C W ire Size - A WG 208V 240V 208V 240V ...

  • York MA - page 12

    262675-UIM-A-0806 12 Unitary Products Group 2. Heaters are 3 Phase. T ABLE 15: Elect rica l Data - (For Multi-Source Power Supply) - Copper W ire 3 Ø - 2 08/230-3-60 Models MA Heater Model Min. Circuit Ampacity Max. O.C.P . 1 Amp s/T ype 75 ° C Wir e Size - A WG Circuit Circuit Circuit 1st 2nd 3rd 1st 2nd 3rd 1st 2nd 3rd 208/240 2 08/240 208/240 ...

  • York MA - page 13

    262675-UIM-A-0806 Unitary Products Group 13 All MA series air handler unit s are UL Listed up to 0.50" w .c. external static pressure, including air filte r , wet coil, and la rgest KW size heater . T ABLE 19: Air Flow Data - 60 Hz Models (23 0 & 460 Volt) Models MA Models MC Blower Motor Speed 230 / 460 V olt - 60 Hz CFM 1 @ External St a ...

  • York MA - page 14

    262675-UIM-A-0806 14 Unitary Products Group All MA series air handler unit s are UL Listed up to 0.50" w .c. external static pressure, including air filte r, wet coil, and la rgest KW size heater . T ABLE 20: Air Flow Data - 60 Hz Models (208 V olt) Models MA Models MC Blower Motor Speed 208 V olt - 60 Hz CFM 1 @ External St atic Pressure - IW ...

  • York MA - page 15

    262675-UIM-A-0806 Unitary Products Group 15 1. “Y” T erminal on Air Handler Control Board must be connected for full CFM and applications req uirin g 60 second blower of f del ay for SEER enhancement. 2. Optional humidity switch - contact s open on humidity rise. 3. Remove HUM ST A T Jumper on AH Control Board 4. MODE Jumper on AH control board ...

  • York MA - page 16

    Subject to change without notice. Printed in U.S.A. 262675-UIM-A-0806 Copyright © by York International Corp. 2006. Al l rights reserved. Supersedes: 170341-UIM-C-0806 Unitary 5005 Norman Product Y ork OK Group Drive 73069 NOTES ...

Manufacturer York Category Air Cleaner

Documents that we receive from a manufacturer of a York MA can be divided into several groups. They are, among others:
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All of them are important, but the most important information from the point of view of use of the device are in the user manual York MA.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals York MA, service manual, brief instructions and user manuals York MA. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product York MA.

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A complete manual for the device York MA, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use York MA by users. Manuals are usually written by a technical writer, but in a language understandable to all users of York MA.

A complete York manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual York MA - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the York MA, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the York MA, that we can find in the current document
3. Tips how to use the basic functions of the device York MA - which should help us in our first steps of using York MA
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5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of York MA in a specific country, if it was not possible to solve the problem on our own.

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