Feature
Notes
Configuration Tables Wiring    

Secondary Circuit Controller
with built-in Pump Changeover Facility

Configuration Tables

Doorway / InSite Code

Label

Description

Units

Default Value

Range

C1
ALRM
Alarm Mode
0: Ignore alarms
1: Report all alarms to Doorway/InSite,
2: Report all alarms, shut down on STOP alarm
-
0
0 to 2
C2
ALST
Alarm report sense
0: Alarm if input = 0 (contact open), pump running if input = 1 (closed)
1: Alarm if input = 1 (contact closed), pump running if input = 0 (open)
-
0
0 to 1
C3
FMD
Failure Mode
1: Both pumps remain enabled
2: Last pump remains enabled
3: Both pumps disabled
-
2
1 to 3
C4
DLAY
Delay to wait for proof of flow
Secs
10
1 to 250
C5
MXHR
Maximum hours run before duty pump changeover
Hrs
24
1 to 200
C6
MNON
Pump Minimum on time
Mins
5
0 to 200
C7
MXDY
Maximum days off time for pump exercise
Days
7
0 to 10
C8
NPMP
Number of pumps controlled
-
2
1 to 2
C9
MIND
Minimum Demand (types 4 and 7 only)
-
0
-
 
 
Minimum Demand (types 6 and 9 only)
-
5
-
C10
MNAV
Minimum Average Demand
%
0
0 to 100
C11
MNOC
Minimum number of Occupied Zones
-
0
0 to 200
C12
MXCT
Maximum CT demand (for Heating types only)
Deg C
82
0 to 100
 
 
Maximum CT demand (cooling types)
Deg C
16
0 to 100
C13
MNCT
Minimum CT demand (for Heating types only)
Deg C
30
0 to 100
 
 
Minimum CT demand (cooling types)
Deg C
11
0 to 100
C14
MODD
Modulate actuator
0: Drive actuator to 100% when pump set enabled
1: Drive actuator with highest demand
-
0
0 to 1
C15
FRPT
Frost Protection Mode
0: No action
1: Run pump set
-
0
0 to 1
C16
HTSC
Heat Source (for Heating types only)
-
1
0 to 8255
 
CLSC
Cool Source (for Cooling types only)
-
1
0 to 8255
C17
HTCT
Heating Demand sent as CT (for Heating types only)
0: HTSC interconnects to Secondary Circuit, demand sent %
1: HTSC interconnects to Boiler, demand sent as CT temp
-
1
0 to 1
 
CLCT
Cooling Demand sent as CT (for Cooling types only)
0: CLSC interconnects to Secondary Circuit, demand sent as %
1: CLSC interconnects to Chiller, demand sent as CT temp
-
1
0 to 1
C18
OCDS
Occupation Destination
-
0
0 to 8255

Monitoring Parameters

Doorway / InSite Code

Label

Description

Units

Default Value

Range

I1 (C30)
FL A
Flow status pump A
-
-
0 to 1
I2 (C31)
FL B
Flow status pump B
-
-
0 to 1
I3 (C32)
FROS
Frost Protection in progress
-
-
0 to 1
I4 (C33)
COND
Condensation Detected (for Cooling types only)
-
-
0 to 1
I5 (C34)
FAIL
Single or Dual Pump Failure
-
-
0 to 1
I6 (C35)
PMPA
Triac output 1 status Pump A
-
-
0 to 1
I7 (C36)
PMPB
Triac output 2 status Pump B
-
-
0 to 1
I8 (C37)
ALRS
Triac output spare status Alarm Sounder
-
-
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 pump A
-
-
0 to 1
W4 (C41)
RSTB
Reset hours run pump B
-
-
0 to 1
W5 (C42)
RNON
Enable pump run on
-
1
0 to 1
W6 (C43)
ACLR
Automatically clear alarms
-
1
0 to 1
W7 (C44)
SERV
Service Pin Message (to Doorway and InSite, self resetting)
-
-
0 to 1
W8 (C45)
CGST
Configuration Mode Status
-
-
0 to 1
S1* (C50)
HRSA
Hours run pump A
Hrs
-
-
S2* (C51)
HRSB
Hours run pump B
Hrs
-
-
S3 (C52)
ZDMD
Highest demand from zones
%
-
-
S4 (C53)
AVDM
Average demand from zones
%
-
-
S5 (C54)
NOCC
Number of zones Occupied
-
-
-
K1 (C60)
MXCT
Maximum CT Demand (for Heating types only)
Deg C
82
0 to 100
 
 
Maximum CT Demand (for Cooling types only)
Deg C
16
0 to 100
K2 (C61)
MNCT
Minimum CT Demand (for Heating types only)
Deg C
30
0 to 100
 
 
Minimum CT Demand (for Cooling types only)
Deg C
11
0 to 100
 
 
Engineering Parameters; only accessible via Doorway and InSite
 
 
 
C90
NOAL
No Alarms; all alarms cleared when set to 1
-
-
0 or 1
C91
FLFA
Flow Failed pump A (when set to 1)
-
-
0 or 1
C92
FLFB
Flow Failed pump B (when set to 1)
-
-
0 or 1
C93
DPMF
Dual Pump Failure (when set to 1)
-
-
0 or 1
C94
STOP
STOP alarm received (when set to 1)
-
-
0 or 1
C95
CNDF
Condensation Alarm (for Cooling types only)
-
-
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