WARNING
External wiring, unless specified as an optional connection in the manufacturer’s product line, is not
to be connected inside the control cabinet. Devices such as relays, switches, transducers and controls
and any external wiring must not be installed inside the micro panel. All wiring must be in accordance
with the manufacturer's published specifications and must be performed only by a qualified electrician.
The manufacturer will NOT be responsible for damage/problems resulting from improper connections
to the controls or application of improper control signals. Failure to follow this warning will void the
manufacturer’s warranty and cause serious damage to property or personal injury.
WARNING:
This product can expose you to chemicals
including formaldehyde, which is known to the state of
California to cause cancer. For more information, go to
.
Changeability of this document
In complying with the manufacturer's’ policy for continuous product improvement, the information
contained in this document is subject to change without notice. There is no commitment to update
or provide current information automatically to the manual or product owner. Updated manuals, if
applicable, can be obtained by contacting the nearest service office.
It is the responsibility of rigging, lifting, and operating/service personnel to verify the applicability
of these documents to the equipment. If there is any question regarding the applicability of these
documents, rigging, lifting, and operating/service personnel should verify whether the equipment
has been modified and if current literature is available from the owner of the equipment prior to
performing any work on the equipment.
Revision notes
Revisions made to this document are indicated in the following table. These revisions are to
technical information, and any other changes in spelling, grammar, or formatting are not included.
Affected section Description
Date implemented
Updated notes for DSH Nomenclature
March 2020
Figure 14 caption and notes 1 and 2 updated to reflect
two-stage discrete heating and single stage cooling.
March 2020
Figure 16 caption and note 3 updated to reflect four-
stage cooling
March 2020
Added Appendix B: SEC Parameters for DSH024C–
DSH120C Units
March/April 2020
Figure 15 and
Updated Figure 15 and Figure 16 to remove optional
jumper cable, and added note 1 to require installation
of a thermostat that supports all stages of operation.
April 2020
Added a DANGER warning to the Cabinet Configuration
Options section.
May 2020
Updated Nomenclature
November 2020
Model DSH024C–120C Horizontal R-410A Air Conditioning Units C-Generation Smart Equipment Controller
6
Johnson Controls