Mitsubishi Electronics PCH42GK, PCH24GK, PCH36GK, PCH30GK Optional Parts, OC277-67, Timer

14 OPTIONAL PARTS

1. TIMER

When using a program timer, a program timer adapter (PAC-825AD) is also needed. (PAC-825AD is included with PAC-SC32PTA.)

Part No.		PAC-SC32PTA (with set back function)
Model Name		Program timer
1-1 Program timer specifications
Parts name	Program timer
Parts No.	PAC-SC32PTA
Exterior dimensions (inch)	5-4/32x4-23/32x23/32 (130x120x18mm)
Installation	Wall mount
Type of clock	Quartz
Clock accuracy	±50 second / month at 77°F
Display-Time	Liquid crystal display
-Week	Liquid crystal display
-Timer setting unit	Liquid crystal display
Program cycle	24 hours
Timer setting unit	30 minutes
No. of set points	48 / day
Power rating	5V DC ±5% (Supplied by Remote Controller)

1-2 Feature of program timer

(1)Daily timer function

Daily timer can be set in 30 minutes units for up to 24 hours. Each unit can be set for unit ON, unit OFF, or setback operation.

(2)Setback operation (PAC-SC32PTA)

Set back operation is useful for reducing running costs e.g. At a hotel with a 24-hour system

8:00~23:00 Cooling operation with set temperature at 79°F 23:00~8:00 Setback operation with 4 degrees of setback

As shown in the chart on the right, the set temperature rises 4 degrees automatically during the setback operation. When the setback operation ends, normal operation will begin.

(3)Weekly timer function

Daily timer function can apply to each day of the week.

83˚F

79˚F

8:00	23:00	8:00
Normal	Setback	Normal
operation	operation	operation

1-3 How to connect program timer

(1)Install the program timer next to the remote controller the same way as the remote controller is installed.

(2)Connect the program timer and the remote controller with a 5-wire cable as shown in the figure below

Connect to indoor unit

2-wire cable

				SET		BACK
	SET	S M T W T F S
FILTER	MONITOR			0	3	6	12	15
CHECK MODE
TEST RUN				12	15	18	21	24
	SET/MONITOR	TODAY	WEEKLY	SET BACK				DAILY
			SETTING			ON		SETTING
			ON			SET BACK
	PROGRAM TIMER	CLOCK	OFF	DAILY TIMER		OFF
4	PAC-SC32PTA

NOTE:While the program timer is connected to the remote controller, the 24hour ON/OFF timer on the remote controller will not operate.

Use 5-wire cable
Connect to CN1	Connect to CN1

OC277-67