Feature
Notes
Configuration Tables Wiring    

Air Handing Unit Fan Changeover Submodule

with 3 x Triac Outputs

Configuration Tables

Doorway / InSite Code

Label

Description

Units

Default Value

Range

C1
ALRM
Alarm mode
0 do not report alarms
1 report fan failures
-
1
0 to 1
C2
ALST
Alarm state
-
0
0 to 1
C3
FMDE
Failure mode
1 both fans remain enabled
2 last fan on remains enabled
3 both fans disabled
-
1
1 to 3
C4
DLAY
Delay to wait for proof of flow
Secs
10
0 to 250
C5
MXHR
Maximum run hours on one fan before automatic changeover is initiated

Hours

24

1 to 200

C6
TYPE
Driver type
1 supply fan
2 extract fan

-

1

1 to 2

Monitoring Parameters

Doorway / InSite Code

Label

Description

Units

Default Value

Range

I1 (C30)
FL A
Flow signal Fan A
-
-
0 to 1
I2 (C31)
FL B
Flow signal Fan B
-
-
0 to 1
I3 (C32)
EN A
Not used in this application
-
-
0 to 1
I4 (C33)
EN B
Not used in this application
-
-
0 to 1
I5 (C34)
FAIL
One or more fans failed
-
-
0 to 1
I6 (C35)
FANA
Fan A status
-
-
0 to 1
I7 (C36)
FANB
Fan B status
-
-
0 to 1
I8 (C37)
ALRM
Triac C alarm indication
-
-
0 to 1
W1 (C38)
AUTO
Automatic/Manual Status
-
-
0 to 1
W2 (C39)
OVRD
Override
-
-
0 to 1
W3 (C40)
RSTA
Reset Hours run Fan A
-
-
0 to 1
W4 (C41)
RSTB
Reset Hours run Fan B
-
-
0 to 1
S1 (C50)
HRSA
Hours Run Fan A
Hours
-
-
S2 (C51)
HRSB
Hours Run Fan B
Hours
-
-
C90
NOAL
No alarms
-
1
0 to 1
C91
FLFA
Flow fail alarm Fan A
-
0
0 to 1
C92
FLFB
Flow fail alarm Fan B
-
0
0 to 1
SC Controls Ltd
PO Box313
Wadhurst
East Sussex
TN5 6JL
phone 08707 606040
fax 08707 606041
e-mail seachange@sccontrols.co.uk
http:// www.seachange.co.uk