Outdoor Unit Control Diagram - Lennox XP25-024-230-01 Installation And Service Procedure

ELECTRICAL (Continued) -- Outdoor Unit Control
ELECTROSTATIC DISCHARGE
(ESD)
Precautions and Procedures
NOTE - The green LED located on the outdoor control
flashes when communication occurs between the outdoor
control and either the thermostat or the inverter.
CAUTION
Electrostatic discharge can affect electronic components. Take precautions
during unit installation and service to protect the unit's electronic controls.
Precautions will help to avoid control exposure to electrostatic discharge by
putting the unit, the control and the technician at the same electrostatic potential.
Neutralize electrostatic charge by touching hand and all tools on an unpainted
unit surface before performing any service procedure
Figure 16. Outdoor Unit Control
Page 26
PUMP DOWN - WHEN UNIT IS IN PUMP DOWN MODE, Pd IS
SHOWN ON THE 7-SEGMENT DISPLAY.
TO ACTIVATE MODE, REFER TO PUMP DOWN CYCLE
SEQUENCE ON PAGE 39.
7-SEGMENT
DISPLAY
PUSH
BUTTON
XP25