Fan Speed Scheduler  AHFA3d1

Configuration Parameters

ref Description default range
C1 SACT sensor action

0 use local sensor unless remote sensor connected see use of nviRemoteTemp for Open systems

1 average valid sensor values

2 maximum of valid sensor values

3 minimum of valid sensor values

0 0 to 3
C2 FOFF speed offset applied between the two outputs 0 -50 to 50%
C3 RAMP rate of change of  Fan Speed output 10 % per minute
C4 HPRD heating valve period or minimum on time depends on driver type 1 to 60 secs/10
C5 HDLY Interlock delay

negative value delays fan (or pump) after heating starts

positive value cause run on of fan after heating shuts down

0 -30.0 to 30.0 minutes
C6 CPRD cooling valve period or minimum on time depends on driver type 1 to 60 secs/10
C7 CDLY Interlock delay

negative value delays fan (or pump) after cooling starts

positive value cause run on of fan after cooling shuts down

0 -30.0 to 30.0 minutes
C8 FPRD Fan or pump period, minimum time to change fan speed steps 12 (2 minutes) 1 to 60 secs/10
C9 MIND Minimum demand 4 0 to 100
C10 MANL Manual level , from Doorway 0 -100 to 100 %
C11 ALRM alarm mode

0 ignore alarms

1 report alarms

2 report alarms, shut down all outputs on alarm

3 report alarms, shut down all outputs on STOP alarm or sensor fail alarm

1 0 to 3
C12 ALST not used 0 0 to 1
C13 CMDE control mode

0 driver only mode

1 closed loop control of re_gen temperature

1 0 to 1
C14 MXVA* Maximum voltage channel A 10.0 0.0 to 10.0 volt
C15 MNVA* Minimum voltage channel A 0.0 0.0 to 10.0 volt
C16 MXVB* Maximum voltage channel B 10.0 0.0 to 10.0 volt
C17 MNVB* Minimum voltage channel B 0.0 0.0 to 10.0 volt

*AOP models only

Monitoring Parameters

ref   Description default range
    INPUTS    
I1 (C30) ILKA Interlock in operation channel A   0 to 1
I2 (C31) ILKB Interlock in operation channel B   0 to 1
I3 (C32) ILKC Interlock in operation channel C   0 to 1
I4 (C33) ILKD Interlock in operation channel D   0 to 1
I5 (C34) OCCD Occupied    
I6 (C35) RLYA relay A   0 to 1
I7 (C36) RLYB relay B   0 to 1
I8 (C37) RLYC relay C   0 to 1
    SWITCHES    
W1

(C38)

AUTO Controller in automatic control    
W2

(C39)

OVRD Override

W1 and W2 used together with Doorway Auto/manual dialog box

   
W8

(C45)

CGST Configuration mode    
    SENSORS    
S1 (C50) TEMP not used   0 to 95 deg C
S2 (C51) HCOP not used   -100 to 100
S3 (C52) REQD not used   0 to 95 deg C
S4 (C53) HDMD Supply Fan Speed   0 to 100
S5 (C54) CDMD Extract Fan Speed   0 to 100
S6

(C55)

FDMD Not used   0 to 100

 

Control loop parameters

ref   Description default range
C70 UNDH sets very Low muzzy level for heating loop 6.0 10 to 200
C71 OVRH sets very High muzzy level for heating loop 6.0 10 to 200
C72 DBBH deadband sets limit for OK band for heating loop 2.0 10 to 200
C73 RCGH max rate of change heating   1 to 250
C74 GN H gain heating 20 1 to 250
C75 UNDC sets very Low muzzy level for cooling loop 6.0 10 to 200
C76 OVRC sets very High muzzy level for cooling loop 6.0 10 to 200
C77 DBBC deadband sets limit for OK band for cooling loop 2.0 10 to 200
C78 RCGC max rate of change cooling   1 to 250
C79 GN C gain cooling 20 1 to 250

Plot configuration

ref   Description default range
C130 PN A config variable number for channel A 53 0 to 255
C131 PT A period code for plot A 1 1 to 4
C132 PN B config variable number for channel B 54 0 to 255
C133 PT B period code for plot B 1 1 to 4

Driver Parameters

ref   Description default range
C150 HTYP Channel 1  driver type   0 to 9
C151 HSTG Channel 1 number of  stages   0 to 8
C152 CTYP Channel 2  driver type   0 to 9
C153 CSTG Channel 2 number of  stages   0 to 8
C154 FTYP not used   0 to 7
C155 FSTG not used   0 to 5