York R-410A - Wiring Technique and Principle

Controller
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Installation
Instruction for installing: When a weekly schedule controller is needed, a small 2-cores wire and
3-cores wire should be added. Connect with the same color.
Note:
• The connecting wire should be a little longer as to take away the switch board easily for
maintenance.
• The connecting wire should be a little longer as to take away the controller easily for
maintenance.