MXS Service Manual

SA Indoor Unit Functions SiUS121736EA
83 Functions and Control
3.6 Setback Function (With Wired Remote Controller
BRC1E73)
Applicable
Models
FFQ09/12/15/18Q2VJU
Outline The Setback function can be used to maintain the space temperature in an assigned range for an
unoccupied period.
Details The setback icon flashes on the LCD of wired remote controller when the unit is turned on by the
setback control.
 When enabled, the Setback mode becomes active when the indoor unit is turned off by either
the user, a schedule event or an off timer.
 Setback function is not available by default. It can be enabled by the system installer.
3.7 Drain Pump Control
3.7.1 Normal Operation
 The float switch is ON in normal operation.
 When cooling operation starts (thermostat ON), the drain pump turns ON simultaneously.
 After the thermostat turns OFF, the drain pump continues to operate.
Float switch
Error display
Thermostat
(running)
OFF
OFF
ON
ON
ON
OFF
Drain pump
ON
OFF
(R24037)