Panasonic CS-Z25UFEAW Service Manual

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14.7.1 Drain Pump Control
 This unit has built-in with drain pump.
Control content
 During COOL/DRY mode.
o During COOL/DRY mode, drain pump starts 10 seconds after indoor fan motor starts.
o The drain pump turns ON and turns OFF periodically. (ON or OFF duration depends on room temperature).
 After COOL/DRY mode, when unit turns OFF (power standby) or changes to HEAT mode.
o The drain pump turns ON for 60 seconds immediately.
 Error judgment
o When float switch detects ON signal continuously for 2 minutes 30 seconds, error code H21 are shown.
o When float switch ON has operated 2 times within 20 minutes, error code H35 are shown.
14.7.2 Pump down Operation by CN-S
 A convenience method to activate pump down operation.
 Control start condition:
o During power standby condition, short CN-S continuously between 1 second and 10 seconds.
 Control stop condition:
o 480 seconds after pump down operation starts.
o CN-S is shorted again during pump down operation.

Panasonic CS-Z25UFEAW Specifications

General

Brand	Panasonic
Model	CS-Z25UFEAW
Category	Air Conditioner
Language	English