Configuration Parameters -  VAV Controller

Types:VAV/DIN/AOP/xxx

Software Release: FCUV4c1

Configuration Parameters


ref
  
Description
default
range

C1
SPFC
Occupied Setpoint
20
10.0 to 35.0C

C2
SPDB
Setpoint Deadband
1.0
0.0 to 10.0C

C3
SPTR
Setpoint Trim
0
-10.0 to 10.0 C

C4
SPTY
 Setpoint Type, control mode
0 control to SPFC, occupation from Master Zone
1 SPFC supervised from Master Zone
2 Slave Mode. Heat/Cool demands from Zone Controller or another Fan Coil
1
0 to 2

C5
INMD
 Input Mode use of terminals 'temp'
0 supply temperature
1 window contact (short = occupied) AND internal occ
2 Time Clock OR internal clock
3 External occupation signal only
4 Alarm input
0
0 to 4

C6
MAXH
Maximum Supply Heating setpoint
30
0 to 90C

C7
MINH
Minimum Supply Heating setpoint
20
0 to 90C

C8
MAXC
Maximum Supply Cooling setpoint
18
2 to 30C

C9
MINC
Minimum Supply Heating setpoint
10
2 to 30C

C10
MIND
Supply minimum demand, used for switching between heating and cooling
4
0.0 to 10.0

C11
OCCO
When set controller will only run during the occupied period

0
0 to 1

C12
HPRD
 for future use -leave as default
 depends on driver type
1 to 60 secs/10

C13
HDLY
 for future use -leave as default 0
-30.0 to 30.0 minutes

C14
CPRD
 for future use -leave as default depends on driver type
1 to 60 secs/10

C15
CDLY
 for future use -leave as default 0
-30.0 to 30.0 minutes

C16
FPRD
 for future use -leave as default
12 (2 minutes)
1 to 60 secs/10

C17
FRPT
Frost protect
0 no action
1 open heating valve 50%
2 not used in this application
0
0 to 2

C18
MANL
Manual level , from Doorway
0
-100 to 100 %

C19

HTSC
Heat source; points to source of Heating energy (the AHU Controller if no reheat, the source of LPHW if wet reheat battery, set to zero if electric reheat).

1
-1 to 100

C20
CLSC
Cool source; points to source of Cooling energy (the AHU Controller)
0
-1 to 100

C21
MAXV
Maximum Box Volume

100
5 to 100%

C22
MINV
Minimum Box Volume (during Occupancy - box closes during non-Occupancy)
25
0 to 50 %
C23 REHT Re Heat;

-1: Check availability of Heating and cooling by checking Plenum temperature against setpoint

0: No re heat

1 to 100:  sets Maximum Box volume when in heating

 0 -1 to 100%

C24
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

C25
ALST
not used

0
0 to 1

Monitoring Parameters

Input Monitoring


ref
  
Description
default
range

C30
EXTI
input A occupation/window contact function determined by setting of INMD
  
0 to 1

C31
OCCD
occupied
  
0 to 1

C32
  
not used
  
0 to 1

C33
  
not used
  
0 to 1

C34
COOL
cooling mode
  
0 to 1

C35
RLYA
not used
  
0 to 1

C36
RLYB
not used
  
0 to 1

C37
RLYC
not used
  
0 to 1

C38
AUTO
Automatic/manual mode
  
0 to 1

C39
OVRD
override
  
0 to 1

C42
HAND
Manual Hand Mode 0
0 to 1

C43
 POT Potentiometer fitted to board 0
0 to 1
C44 SERV operation of Registration button from Doorway self resets 0 to 1

C45
CGST
configuration mode
    

Sensors


ref
 		 
Description
default
range

C50
BOXV
current box volume (if volume feedback signal used)
 
0 to 100%

C51
RTNA
return air temperature
 		 
5.0 to 35.0 C

C52
HCOP
heat cool output to drivers (cooling negative)
 		 
-100 to 100 %

C53
SPSL
not used
 		 
5.0 to 35.0 C

C54
SPRT
return air setpoint
 		 
5.0 to 35.0 C

C55
HDMD
heat demand from return loop or from Zone Controller
 		 
0 to 100%

C56
CDMD
cool demand from return loop or from Zone Controller
 		 
0 to 100%

Knobs

 


ref
 		 
Description
default
range

C60
SPOC
Occupied setpoint
20.0
5.0 to 35.0 C

C61
SPNO
Non Occupied setpoint
10.0
5.0 to 20.0 C

C62
SPSV
Supervised setpoint from Master controller
 		 
0 to 35.0 C

C63
SPTR
Setpoint Trim
0
-10.0 to 10.0 C

C26
MXVA*
Maximum voltage channel A
10.0
0.0 to 10.0 volt

C27
MNVA*
Minimum voltage channel A
0.0
0.0 to 10.0 volt

C28
MXVB*
Maximum voltage channel B
10.0
0.0 to 10.0 volt

C29
MNVB*
Minimum voltage channel B
0.0
0.0 to 10.0 volt