EMERGENCY/TEST Operation | Logitech OB450 REVISED EDITION-B specs

11-9. EMERGENCY/TEST OPERATION

In case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the front of the indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of the remote controller run down. The unit will start and OPERATION INDICATOR lamp will light.

The first 30 minutes of operation is the test run operation. This operation is for servicing. The Indoor fan speed runs at High speed and the system is in continuous operation (with thermostat ON).

After 30 minutes of test run operation the system shifts to EMERGENCY COOL/HEAT MODE with a set temperature of 75°F. The fan speed shifts to Med.

All protective operations such as the coil frost prevention works even in emergency operation.

In the test run or emergency operation, the horizontal vane operates in VANE AUTO ( ) mode.

Emergency operation continues until EMERGENCY OPERATION switch is pressed once or twice or the unit receives any signal from the remote controller. In case of latter normal operation will start.

NOTE : Do not press EMERGENCY OPERATION switch during normal operation.

E.O.

Operation mode	COOL	HEAT (MSZ)
Set temperature	75°F	75°F
Fan speed	Med.	Med.

Horizontal vane	Auto	Auto

EMERGENCY OPERATION switch

The operation mode is indicated by the Operation Indicator lamp as following

MSZ type

EMERGENCY

COOL		Lighted
	↓	Lighted
	↓	Not lighted
EMERGENCY		Not lighted
EMERGENCY
HEAT
	↓
STOP

MSY type

EMERGENCY

COOL

↓

STOP

11-10. Changing temperature indication (°F/°C)

MSZ-A•NA- MSY-A•NA-

The preset unit is °F. Press RESET button while the temperature buttons are pressed.

Press RESET button gently using a thin stick.

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Jun. 2008. No. OB450 REVISED EDITION-C 6 Distributed in May 2007. No. OB450 REVISED EDITION-B 7 Distributed in Dec. 2006. No. OB450 REVISED EDITION-A 7 Distributed in Apr. 2006. No. OB450 7

Made in Japan

New publication, effective Jun. 2008 Specifications subject to change without notice.

MSZ-A09NA, OB450 REVISED EDITION-B specifications

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Logitech OB450 REVISED EDITION-B EMERGENCY/TEST Operation, Changing temperature indication F/C

Models: MSZ-A09NA OB450 REVISED EDITION-B