York IDM030B21E Series Service Manual page 3

Important Notice
● Johnson Controls Inc. pursues a policy of continuing improvement in design and performance in its
products. As such, Johnson Controls Inc. reserves the right to make changes at any time without prior
notice.
● Johnson Controls Inc. cannot anticipate every possible circumstance that might involve a potential
hazard.
● This heat pump air conditioning unit is designed for standard air conditioning applications only. Do not
use this unit for anything other than the purposes for which it was intended for.
● The installer and system specialist shall safeguard against leakage in accordance with local pipefitter
and electrical codes. The following standards may be applicable, if local regulations are not available.
International Organization for Standardization: (ISO 5149 or European Standard, EN 378). No part of
this manual may be reproduced in any way without the expressed written consent of Johnson Controls
Inc.
● This heat pump air conditioning unit is operated and serviced in the United States of America and
comes with a full complement of the appropriate Safety, Danger, and Caution, warnings.
● If you have questions, please contact your distributor or dealer.
● This manual provides common descriptions, basic and advanced information to maintain and service
this heat pump air conditioning unit which you operate as well for other models.
● This heat pump air conditioning unit has been designed for a specific temperature range. For optimum
performance and long life, operate this unit within the range limits.
● This manual should be considered as a permanent part of the air conditioning equipment and should
remain with the air conditioning equipment.
SM-16005-rev.2
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