York R-410A - Instruction for Installing

Controller
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Lock button (hidden): When you push the LOCK button, all current settings are locked in and
the wire controller does not accept any operation except that of the LOCK button. Use the lock
mode when you want to prevent setting from being changed accidentally or play fully. Push the
LOCK button again when you want to cancel the LOCK mode.
Installation
Instruction for installing
When it is necessary to use this controller, it needs to add a small 5-terminal Group and fasten a
infrared emitter near to the receiver in the switch board. Connecting the anode and cathode to
A 、B of the Terminal Group, also connect +5V 、GND、 RUN 、of the switch board separately
to the C、 D、 E of the 5-terminal Group.