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Figure 21: Power wiring

Note: The wiring diagrams shown in this manual are suitable for YHAU-CG, YHAU-CW, YHAU-

CH/CL, AND YHAU-C chiller models. When the chiller is received at the jobsite, refer to the

wiring diagrams that are included with the unit, instead of the diagrams in this manual.

LD29585

Power supply

Three-phase, 208/406 V, 60 Hz

MCCB

Note 1

BK note 1

G/Y note 1

MMS1

Note 1

5.3C

MC1

5.3D

BK note 1

G/Y note 1

Note 1

Solution circulation pump/

VFD 1 (option)

Solution spray pump/

VFD 2 (option)

Note 1

BK note 1

G/Y note 1

BK note 1

G/Y note 1

Refrigerant pump

MC2

5.6D

BK note 1

G/Y note 1

BK note 1

G/Y note 1

MMS2

Note 1

5.6C

MMS3

Note 1

5.3C

MC3

5.3D

YHAU-C Single Effect Steam-Fired Absorption Chiller54

Default Chapter3
- Table of Contents3
Important7
General Chiller Information and Safety10
Product Description14
Handling, Storage, Installation and Reassembly22
Technical Data40
- Upper Communication Specification91
Commissioning99

Brand	Johnson Controls
Model	York YHAU-C
Category	Chiller
Language	English

Johnson Controls York YHAU-C User Manual

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Johnson Controls York YHAU-C Specifications

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