Emergency Operation - Daikin SkyAir Super Inverter 70 D Series Service Manual

SiE25-110
3.3

Emergency Operation

Emergency
You can operate the system manually by changing the setting of the emergency switch (SS1)
Operation of on the indoor unit's PC board from "Normal" to "Emergency." When switched however the
equipment cannot regulate temperature. The table below contains a list by model of actuators
Indoor Units
for manually operating indoor units in time of emergency.
Notes: 1. Do not operate from remote controller during emergency operation.
2. Operate the switch only when the power supply is turned OFF.
Emergency
Turn off the power supply and set the emergency switch to ON and "Heat" for heating or "Cool"
Operation of for cooling. Operation will be started manually when you turn the power back on. ("Heat" cannot
be set for a cooling only air-conditioner.)
Outdoor Units
Concerning If a safety device should be actuated during emergency operation, all actuators are turned OFF.
Emergency If you reset after waiting for 3 minutes, operation will start again. Emergency operation cannot
be carried out if the PC board itself is defective.
Operation
Note: For emergency operation, be sure to set emergency operation for both the indoor and outdoor
units. Do not attempt to operate the equipment from the remote controller during emergency
operation. Emergency operation is computer-controlled, and therefore cannot be carried out if
the microcomputer is not operating properly.
The table below contains a list of actuators for manually operating the equipment in time of
emergency.
Compressor
4-WAY VALVE
Indoor Unit Fan
Drain Pump
During emergency heating operation, defrosting is carried out for 3 minutes every hour. (4-way
valve, outdoor unit fan and indoor unit fan are turned OFF.)
Field Setting
Model
FHYCP
FUYP
FHYP
FAYP
Method of switching in time of emergency
DS1 SETTING
ON COOL
OFF HEAT
FACTORY SET
Actuator
Existence of DIP Switch, Jumper and BS
Fan
ON COOL
COOL
or
HEAT
OFF HEAT
FORCED
COOLING
Cooling
ON
OFF
H Fan Speed
ON
Drain Raising
(OPTION)
—
ON COOL
OFF HEAT
FORCED
HEATING
(S1953)
Heating
ON
ON
H Fan Speed
ON
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