12b-17
CONTROL SYSTEM
Revision 0
12B.4.19 Self-test
• When shorting the TEST jumper, the action will be per 1 second according to following:
• beep one -> Cool led on-> Cool led off, Heat led on-> Heat led off, power led on-> power
led off ,running led on-> running led off, timer led on-> timer led off ,filter led on-> filter led
off -> step motor ( A and B) run to MAX angle -> IFAN in Mid speed-> COMP on -> Comp
off ,OFAN on -> OFAN off , RV on -> Valve off ,E.S.F on -> E.S.F off, Fresh Air on -> Fresh
Air off ,Ionizer on -> Ionizer off -> sensor test(see note1) -> step motor ( A and B) run to
MIN angle -> beep two then exit
Note:
If OCT is not 25 ± 2ºC, the power and operating led will turn on;
If RT is not 25 ±2ºC, operate led and timer led on; If ICT is not 25±2ºC, timer and filter led
will turn on.
12B.4.20
Jumper Settings
• Self test (1)
• Model (4)
• IFAN speeds (PG MOTOR) (3)
• RC or ST (1)
Note:
0 = Open Jumper (disconnect jumper)
1 = Close Jumper (Jumper is connected)
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