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SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL
Alarm Relay Function
Both normally closed (NC) and normally open (NO) alarm contacts are provided. These refer to the alarm
state. Under normal conditions, the NC contact is closed and the NO contact is open. When an alarm
condition is present or the door contact is open, the NC contact will open and the NO contact will close.
System power failure will give an alarm condition.
Notes:
State 2: Additional icons (1,3,4, Reverse, Direct, Test) depending on operation.
State 3: The display shows “OFF” alternating with the standard display.
State 4: The display shows “EXX” alternating with the standard display – at the same time, the alarm
icon flashes.
Typical alarm codes:
Error Code Description
E01
Probe B1 fault
E02
Probe B2 fault
E04
High temperature alarm
E05
Low temperature alarm
• Whilst programming, if no button is pressed for 10 seconds, the display starts flashing, and after 1
minute returns to the main display without saving changes.
• l To increase scrolling speed, press and hold the ▲ or ▼ button for at least 5 seconds.
• When pressing “PRG” for 3 seconds, the firmware revision code is displayed for 2 seconds.
• When cleaning the controller panel, do not use ethanol, hydrocarbons, ammonia or their byproducts.
Use neutral detergents and water.
• In order to protect the unit’s components, minimum relay output on (3 or 7 minutes) and off (4
minutes) times and minimum time (7 or 11 minutes) between activation of the same relay output are
applied.
• In case of digital inputs not configured, probes not fitted or configured, or St2 not enabled on the
controller the display shows ‘nO’.
State
Alarm Relay
Display
1 System powered OFF
2 System powered ON
-NO ALARM
-Door Contact Closed
3 System powered ON
-Door Contact Open
4 System powered ON
-ALARM STATE
13 14 15
13 14 15
13 14 15
13 14 15
SET
TEST
BMS
PRG
!
SET
TEST
BMS
PRG
!
2
SET
TEST
BMS
PRG
!
SET
TEST
BMS
PRG
!
Important Notes
