78
12
OPTIONAL PARTS
12-1-2. 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
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 26°C
23:00~8:00 Setback operation with 2 degrees of setback
As shown in the chart on the right, the set temperature rises 2 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.
12-1. TIMER
12-1-1. Program timer specifications
28
˚
C
26
˚
C
8:00
Normal
operation
23:00
Setback
operation
8:00
Normal
operation
Part No.
Model Name
PAC-SC32PTA (with set back function)
Program timer
Part name
Parts No.
Exterior dimensions (inch)
Installation
Type of clock
Clock accuracy
Display-Time
-Week
-Timer setting unit
Program cycle
Timer setting unit
No. of set points
Power rating
Program timer
PAC-SC32PTA
5-4/32
✕
4-23/32
✕
23/32 (130
✕
120
✕
18mm)
Wall mount
Quartz
50 second / month at 25
:
Liquid crystal display
Liquid crystal display
Liquid crystal display
24 hours
30 minutes
48 / day
5V DC 5% (Supplied by Remote Controller)
+
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+
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OC311--3.qxp 04.5.31 1:05 PM Page 78
