Feature
Notes
Configuration Tables Wiring    

Multi Channel Controller
with 3 x Triac Outputs

Configuration Parameters

Doorway / InSite Code

Label

Description

Units

Default Value

Range

C1
FRSP
Frost protection/ Non Occupied setpoint
Deg C
10
2 to 15
C2
MAXF
Maximum Flow setpoint (used with HTCT to set CT setpoint in BLR)
Deg C
70
5 to 100
C3
MINF
Minimum Flow setpoint (used with HTCT to set CT setpoint in BLR)
Deg C
30
1 to 100
C4
SACT
Sensor action:
0: either
1: average
2: maximum
3: minimum
-
0
0 to 3
C5
SCAL
Sensor calibration
Deg C
0
-10 to 10
C6
SPTY
Setpoint Type (used with HTCT to set CT setpoint in BLR):
0: Setpoint fixed at Max Flow MAXF
1: Setpoint varies linearly based on Maximum Demand Signal from Consumers
2: Setpoint varies linearly based on Average Demand Signal from Consumers
-
0
0 to 2
C7
INMD
Input Mode use of terminals 3-4 'temp a'
0: additional temperature input for max,min,average using SACT
1: External occupation (short = occupied) AND internal occ
2: External occupation OR internal occ
3: External occupation signal only
4: Alarm input
5: Pump Alarm
-
0
0 to 5
C8
MIND
Minimum Demand:
When highest demand from all registered zones is less than this value,controller uses non occupied FRST setpoint
0: controller runs to Occupied setpoint for Occupation period
%
5
0 to 100
C9
MNDV
Minimum demand for driver, affects control of Fan or Pump
%
0
0 to 100
C10
LOSS
Flow Loss:
amount added to the Controller’s setpoint and sent as a CT setpoint to Heat Provider; offsets distrbution heat losses
Deg C
10
0 to 20
C11
PRDA
Minimum on time channel A
Secs/10
Depends on type
1 to 240
C12
DLYA
Interlock delay channel A;
0: Pump starts as valve opens; no delay
Negative value: Valve opens before Pump starts
Positive Value: Pump runs on after valve shuts down
Mins
0
-60 to 60
C13
PRDB
Minimum on time channel B
Secs/10
Depends on type
1 to 240
C14
DLYB
Interlock delay channel B;
0: Pump starts as valve opens; no delay
Negative value: Valve opens before Pump starts
Positive Value: Pump runs on after valve shuts down
Mins
0
-60 to 60
C15
PRDC
Minimum on time channel C
Secs/10
Depends on type
1 to 240
C16
IVOP
Invert outputs when set provided driver is set to sequence or time proportioning
-
0
0 to 1
C17
FRPT
Frost protect mode:
0: none
1: valve only
2: valve and pump
3: pump only
-
0
0 to 3
C18
MANL
Manual level
-
0
0 to 1
C19
CMDE
Control Mode, when set to 0 disables control loop, sensors can be used for monitoring. Demands passed direct to outputs.
-
0
0 to 1
C20
ALRM
Alarm mode:
0: ignore alarms
1: report alarms
2: report alarms, shut down all outputs on local alarm
3: report alarms, shut down all outputs on STOP alarm or local alarm
4: report alarms, shut down all outputs on STOP alarm only
-
0
0 to 4
C21
ALST
Alarm State sets the state which is considered to be the Alarm state for the External Alarm input:
0: open circuit
1: short circuit
-
0
0 to 1
C22
HTSC
Heat Source; points Energy Demand to source of Heating energy
-
1
0 to 8255
C23
OCDS
Occupation Destination:
points Occupancy Demand at another controller
-
0
0 to 8255
C24
HTCT
Heating Demand Selector:
Set to1 if HTSC is pointing Energy Demand at a Boiler Controller - demand sent as a CT setpoint
Set to 0 if HTSC is pointing to another Secondary Circuit Controller - demand sent as a % signal
-
1
0 to 1

 

Monitoring Parameters

Doorway / InSite Code

Label

Description

Units

Default Value

Range

I1 (C30)
EXTI
External input (function depends on input mode)
-
-
0 to 1
I2 (C31)
OCC
Occupied
-
-
0 to 1
I6 (C35)
RLYA
Triac A Status
-
-
0 to 1
I7 (C36)
RLYB
Triac B Status
-
-
0 to 1
I8 (C37)
RLYC
Triac C Status
-
-
0 to 1
W1 (C38)
AUTO
Automatic/Manual Status
-
-
0 to 1
W2 (C39)
OVRD
Override
-
-
0 to 1
W3 (C40)
ILKP
Interlock Pump
-
-
0 to 1
W5 (C42)
HAND
Manual Hand; use with MANL to set output level
-
0
0 to 1
W6 (C41)
POT
Enable use of optional potentiometer (special order hardware)
-
-
0 to 1
W7 (C44)
SERV
Service Pin Msg (to Doorway +InSite, self resetting)
-
-
0 to 1
W8 (C45)
CGST
Configuration Mode Status
-
-
0 to 1
S1* (C50)
HTMP
Heating temperature (resultant of processing by SACT) (for monitoring only)
Deg C
-
-
S2* (C51)
DMND
Control Demand
%
-
-
S3 (C52)
REQD
Current Setpoint
Deg C
-
-
S4 (C53)
DMDA
Demand received for channel A (see knob 3)
%
-
-
S5 (C54)
DMDB
Demand received for channel B (see knob 4)
%
-
-
S6 (C55)
DMDC
Demand received for channel C (see knob 5)
%
-
-
S7 (C56)
FLOW
Temperature (terminals 5-6)
Deg C
-
-
S8 (C57)
RTRN
Temperature (terminals 3-4)
Deg C
-
-
K1 (C60)
MAXF
Maximum Flow setpoint (used with HTCT to set CT setpoint in BLR)
Deg C
-
-
K2 (C61)
MINF
Minimum Flow setpoint (used with HTCT to set CT setpoint in BLR)
Deg C
-
-
K3 (C62)
ZONA
Number of Zone Controller whose demand is to be used for channel A
-
-
-
K4 (C63)
ZONB
Number of Zone Controller whose demand is to be used for channel B
-
-
-
K5 (C64)
ZONC
Number of Zone Controller whose demand is to be used for channel C
-
-
-
 
 
Engineering Parameters; only accessible via Doorway and InSite
 
 
 
C90
NOAL
No alarms ; all alarms cleared when set to 1
-
-
0 or 1
C91
SENF
Sensor fail alarm (when set to 1)
-
-
0 or 1
C92
EXTN
External alarm input (when set to 1)
-
-
0 or 1
C93
CNDF
Condensation alarm (when set to 1)
-
-
0 or 1
C94
PMPF
Pump fail alarm (when set to 1)
-
-
0 or 1
C95
STOP
Stop alarm received (when set to 1)
-
-
0 or 1
C180
DI A
Input 3-4 digital status
-
-
0 or 1
C181
DI B
Input 5-6 digital status
-
-
0 or 1
 
 
* 24 hour plots available for these values by default
 
 
 
 
 
Plotting interval and plotted variable changeable via Doorway or InSite
 
 
 
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