Turbo Air TGM-11R, TGM-5R, TGM-22R Electronic Controller Instruction, Heater, Pre-cool, Max time

ELECTRONIC CONTROLLER INSTRUCTION

No	Control Function	Control Objects			Contents		Remark
3	Turbo	Compressor	6.	If you press the Turbo Freeze button during the defrost mode,
	Freeze	Evap-Fan Motor		display panel displays Turbo Freeze mode but actually The Turbo
		Con-Fan Motor		Freeze mode will start after defrost mode is completed.
		LED	7.	If defrost mode occurs during the Turbo Freeze mode, the defrost
				mode will start after the Turbo Freeze mode is completed
						TEMPERATURE
				Turbo air		LAMP	POWER
				Long Beach, CA
					T.F. FAN DOOR
						TURBO FREEZE
4	Determination		1. Defrost mode is controlled by a time interval setting.
	Of		2. The time interval setting can be set by shifting dip s/w on the PCB
	Defrost			board.

3.The time interval setting is as follows. Dip Switch

NO.1	NO.2	Cycle time(hours)
0	0	12
1	0	10
0	1	8
1	1	6

4.Factory setting is to defrost every 8 hours ( see the above picture.)

5.The first defrost mode will start at half of time interval setting of when unit was plugged-in.

5	Defrost	Heater	1. Defrost step
	Function	Compressor
				Pre-cool	Heater	Pause	Fan Delay
		Evap-Fan Motor
		Con-Fan Motor Comp.		on	off	off	on
			F-fan motor	on	off	off	off
			C-fan motor	on	off	off	on
			Heater	off	on	off	off
			Max time	30 min.	40 min.	3 min.	5 min.
					If D-sensor temperature		If D-sensor
					is over 50˚F, heater		temp. lower
					goes off.		than 14˚F,
					If D-sensor is in error,		then F-fan
					heater goes off		turns on
					automatically 40 min		immediately
					after activated.

A. Pre-Cool Step

a. It prevents from extreme temperature rise during defrost mode. b. Comp. Con-Fan Motor and Evap-Fan Motor run continuously

during pre-cool step.

c. 88 LED indicates inside temperature.

d. If F-sensor is sensing lower temperature than (-22)˚F(-30˚C) or pre-cool step interval reach in 30 minutes, pre-cool step goes off.

e. Turbo Freeze mode is only one time prior to pre-cool step. B. Heater defrost step

a. The defrost heater is energized. b. 88 LED displays 'dF'

c. The defrost heater warms the evaporator coil thereby melting all frost that accumulated during the previous refrigeration cycle.

e. When D-sensor is higher than 47˚F(8˚C… ), heater goes off.

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