Boiler Controller

Configuration Tables

Doorway / InSite Code	Label	Description	Units	Default Value	Range
C1	FRST	Frost Protection / Non Occupied Setpoint	Deg C	3	2 to 15
C2	MAXF	Maximum Primary Setpoint	Deg C	80	30 to 110
C3	MINR	Minimum Return Setpoint	Deg C	40	10 to 50
C4	FLAV	This parameter is associated with the weather compensated VT circuit and determines the flow temperature when the outside temperature is 10C.	Deg C	50	20 to 100
C5	SACT	Sensor Action for controlling the boiler temperature. 0: Use flow or return, or average if both sensors are valid 1: Use flow sensor value (default) 2: Use return sensor value 3: Use average of flow and return sensor values	-	1	0 to 3
C6	BLRS	Number of boilers in sequence	-	2	1 to 8
C7	MXVT	Maximum VT circuit water temperature	Deg C	80	20 to 100
C8	VLIM	Limits the opening of VT valve if return temp is below MINR 0%: Valve will close fully if Return > 10 Deg C below MINR 50%: Valve will close 50% if Return > 10 Deg C below MINR 100%: Valve will control normally, no limitation	%	100	0 to 100
C9	DHWP	Hot Water Priority: 0: Hot water and heating have equal priority 1: VT valve closes when DHW is demanding heat	-	0	0 to 1
C10	MIN	Boiler minimum run time	Mins	5	1 to 20
C11	BRON	Pump run-on period for the boiler primary pump	Mins	5	0 to 30
C12	PERD	VT valve stroke time. This parameter determines the stroke time of the valve actuator fitted to the VT valve. It is recommended that the valve stroking process is carried out manually to ensure the stroke time is calculated accurately	Secs/10	18	2 to 60
C13	TRNG	Maximum trim effect on heating setpoint	Deg C	10	0 to 20
C14	CRNG	Maximum adaptive effect on heating setpoint	Deg C	10	0 to 20
C15	MODE	Mode select: 0: VT Valve held shut while Primary Pump only runs on Actuator demands match zone heat demand 1: VT Valve opened while Primary and VT Pumps run on Actuator demands match zone heat demand 2: VT Valve opened while Primary and VT Pumps run on All actuators opened proportional to highest zone demand Note- in non-Housekeeping Boiler Controllers this parameter is fixed MODE=0.	-	0	0 to 2
C16	BLOK	Number of boiler stages available to run (i.e. not locked out)	-	read only	0 to 8
C17	AREM	All boilers remote 0: Boiler outputs on controller included in sequence 1: All boiler stages via cascade modules. Boiler Controller relay outputs are disabled. Mode 1 is generally used on applications where cascade sub modules are used (i.e. analogue type CAS/DIN/AOP/001) for controlling modulating condensing boilers	-	0	0 to 1
C18	SMRT	Summer heating inhibit if outside temperature is greater than the SMRT parameter. This feature is used to automatically disable the VT circuit when the outside temperature reaches or exceeds the SMRT setting.	Deg C	20	10 to 30
C19	MIND	Minimum Demand for Boiler Controller to operate 0: When demand drops to zero, boilers and pumps continue to run MIND > 1: When demand drops to zero, boilers and pumps stop The MIND parameter is factory set to 2 to ensure the heating plant and associated pumps are switched off (i.e. demand based when the total heating demand (i.e. VT and CT demand) received by the boiler controller falls below 2%	%	2	0 to 10
C20	COMP	Compensator offset	Deg C	0	-50 to 50
C21	ALRM	Alarm Mode 0: Ignore alarms 1: Disable Boiler outputs, no alarm (maintenance switches) 2: Report all alarms, continue running (lockout alarms) 3: Report all alarms, continue running (general alarms) 4: Report all alarms, shut down on STOP alarm only 5: Report all alarms, shut down on STOP alarm or “Master Off”	-	0	0 to 5
C22	ALST	Alarm report sense 0: Alarm if input = 0 (contact open) 1: Alarm if input = 1 (contact closed)	-	1	0 to 1
C23	DOMN	Own Domain (for SH types only)	-	0	0 to 8
C24	TYPE	This setting determines the type of boiler used. 1 = Automatic sequencing control and duty rotation on single stage boilers (used on BLR/DIN/STD/SH/001) 2 = Automatic Sequencing control of HI/Lo boilers (used on BLR/DIN/HIL boiler controllers) 3 = Fixed sequencing control of single stage boilers (used on BLR/DIN/STD/SH/003) Note- The above settings are factory set during production depending on the type of boiler controller ordered.	-	1	0 to 3
C25	MNVF	Minimum VT Flow: used to ensure a minimum opening on the VT valve while the boilers are running. This only needs to be used when the Boiler does not have a pumped primary circuit or shunt circuit.	%	0	0 to 100
C26	DMOR	Demand Override: when this parameter is set to 1 and the alarm mode ALRM is 0 or 3, an alarm generated on input "a" will disable all VT & CT demands received by the Boiler controller. This feature can be used as Summer/Winter switch by wiring a selector switch to input "a". Please note setting the controller in this mode will disable all CT and VT demands.	-	0	0 or 1

Monitoring Parameters
Doorway / InSite Code	Label	Description	Units	Default Value	Range
I1 (C30)	INPA	External input ‘a’ status	-	-	0 to 1
I2 (C31)	INPB	External input ‘b’ status	-	-	0 to 1
I3 (C32)	BLRA	Boiler 1 output status	-	-	0 to 1
I4 (C33)	BLRB	Boiler 2 output status	-	-	0 to 1
I5 (C34)	PPMP	Primary pump output status	-	-	0 to 1
I6 (C35)	VTOP	VT valve open output status	-	-	0 to 1
I7 (C36)	VTCL	VT valve close output status	-	-	0 to 1
I8 (C37)	VPMP	Secondary pump output status	-	-	0 to 1
W1 (C38)	AUTO	Automatic/Manual Status	-	-	0 to 1
W2 (C39)	OVRD	Override	-	-	0 to 1
W3 (C40)	SHOF	Summer heating (inhibited if SHOF = 1)	-	read only	0 to 1
W4 (C41)	ZBST	Zone boost (disabled if ZBST = 0)	-	1	0 to 1
W5 (C42)	HAND	Manual HAND mode	-	0	0 to 1
W6 (C43)	RPLN	Replace missing nodes in Database (for SH types only)	-	1	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)	FLOW	Flow Temperature	Deg C	-	-
S2* (C51)	RTRN	Return Temperature	Deg C	-	-
S3* (C52)	VTMP	VT circuit Temperature	Deg C	-	-
S4* (C53)	OUTS	Outside Temperature (logged in SH types only)	Deg C	-	-
S5 (C54)	FLSP	Primary Temperature Setpoint	Deg C	-	-
S6 (C55)	BLOP	Boiler Output	%	-	-
S7 (C56)	VTPN	VT Valve Position	%	-	-
S8 (C57)	ZDMD	Maximum Zone Demand	%	-	-
S9 (C58)	VTSP	VT Setpoint	Deg C	-	-
K1 (C60)	MAXF	Maximum Primary Setpoint	Deg C	80	0 to 100
K2 (C61)	MINR	Minimum Return Setpoint	Deg C	40	0 to 100
		Engineering Parameters; only accessible via Doorway and InSite
C83	MANL	Used with W5 HAND to position VT Valve manually	%	0	0 to 100
C90	NOAL	No Alarms; all alarms cleared when set to 1	-	-	0 or 1
C91	GENA	General Alarm input ‘a’ (when set to 1)	-	-	0 or 1
C92	GENB	General Alarm input ‘b’ (when set to 1)	-	-	0 or 1
C93	LOKA	Lockout Alarm Boiler 1 (when set to 1)	-	-	0 or 1
C94	LOKB	Lockout Alarm Boiler 2 (when set to 1)	-	-	0 or 1
C95	FREZ	Danger of freezing (when set to 1)	-		0 or 1
C96	STOP	STOP alarm (when set to 1)	-	-	0 or 1
C97	OUTF	Outside temperature failed (when set to 1)	-	-	0 or 1
C98	FROS	Frost protection stage 3 in progress (when set to 1)	-	-	0 or 1
C99	PMPF	Pump Failure (PCO Submodule)	-	-	0 or 1
C150	MNVO	Minimum Variable Output :sets lowest level to run modulating Boilers	%	20	0 to 100
C151	MXPL	Run Maximum number of Condensing Boilers in Parallel	-	0	0 to 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 0161 7457450
fax 0161 7457457

www.energ.co.uk
www.seachange.co.uk
www.smartkontrols.co.uk

Feature Notes

Configuration Tables

Wiring

Boiler Controller

Configuration Tables

Doorway / InSite Code

Label

Description

Units

Default Value

Range

C1

FRST

Frost Protection / Non Occupied Setpoint

Deg C

3

2 to 15

C2

MAXF

Maximum Primary Setpoint

Deg C

80

30 to 110

C3

MINR

Minimum Return Setpoint

Deg C

40

10 to 50

C4

FLAV

This parameter is associated with the weather compensated VT circuit and determines the flow temperature when the outside temperature is 10C.

Deg C

50

20 to 100

C5

SACT

Sensor Action for controlling the boiler temperature. 0: Use flow or return, or average if both sensors are valid 1: Use flow sensor value (default) 2: Use return sensor value 3: Use average of flow and return sensor values

-

1

0 to 3

C6

BLRS

Number of boilers in sequence

-

2

1 to 8

C7

MXVT

Maximum VT circuit water temperature

Deg C

80

20 to 100

C8

VLIM

Limits the opening of VT valve if return temp is below MINR 0%: Valve will close fully if Return > 10 Deg C below MINR 50%: Valve will close 50% if Return > 10 Deg C below MINR 100%: Valve will control normally, no limitation

%

100

0 to 100

C9

DHWP

Hot Water Priority: 0: Hot water and heating have equal priority 1: VT valve closes when DHW is demanding heat

-

0

0 to 1

C10

MIN

Boiler minimum run time

Mins

5

1 to 20

C11

BRON

Pump run-on period for the boiler primary pump

Mins

5

0 to 30

C12

PERD

VT valve stroke time. This parameter determines the stroke time of the valve actuator fitted to the VT valve. It is recommended that the valve stroking process is carried out manually to ensure the stroke time is calculated accurately

Feature
Notes

Sensor Action for controlling the boiler temperature.
0: Use flow or return, or average if both sensors are valid
1: Use flow sensor value (default)
2: Use return sensor value
3: Use average of flow and return sensor values

Limits the opening of VT valve if return temp is below MINR
0%: Valve will close fully if Return > 10 Deg C below MINR
50%: Valve will close 50% if Return > 10 Deg C below MINR
100%: Valve will control normally, no limitation

Hot Water Priority:
0: Hot water and heating have equal priority
1: VT valve closes when DHW is demanding heat

Minimum Demand for Boiler Controller to operate
0: When demand drops to zero, boilers and pumps continue to run
MIND > 1: When demand drops to zero, boilers and pumps stop

Alarm report sense
0: Alarm if input = 0 (contact open)
1: Alarm if input = 1 (contact closed)