Coster B 268 User manual

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

B 268

22.11.10 AM

REV. 02

SLAVE OPTIMISING COMPENSATOR

FOR CONTROL TWO ZONES

XSE 602 C1 Eng.

• Slave optimising compensator for two zones

– functions only if connected in C-Ring with a "PRIMARY" controller

• Communication systems :

– C-Ring for exchanging data between local controllers.

– C-Bus : XSE 602 Telemanagement optional;

to enable Telemanagement use the “"C-Bus Plug-in" type ACB 400 C1 or later,

to be ordered separately as accessory

• Power supply 230 V AC (or 240 for UK market) ; DIN rail mounting

1. APPLICATION

XSE 602 controller can function only if connected in C-Ring with a "Primary" controller and is able to exchange data

of common interest with other controllers.

XSE 602 is designed for compensated/optimised control of two heating zones in :

– commercial and public buildings

– schools

– residential complexes

By means of C-Bus interface it can be inserted in a telemanagement system.

2. FUNCTIONS

The principal functions of XSE 602 are :

• Compensated control of two heating zones by three-wire control of valves :

– optimisation of start and stop times of plants

– control of plant pumps (with delay in switching off) according current programme of event times

– minimum and maximum temperature limits of flows

– correction of heating curve origin

– self-adjusting

– Eco Off

• Timed programming: twentyfive 24Hour programs & two 7Day periods

• Programming with dates : twentyfive holiday periods ; winter season ; special period.

• Summer plant exercise of valves and pumps

• Automatic change GMT / BST

• Metering of degree-days

• Remote control for modifying current timed programme of events

• Three On-Off inputs for signalling status or alarm

• Alarms for detector short or open circuits and for irregular operation of plants and components

• C-Ring connection for exchange of data with other local controllers

• C-Bus connection for exchange data with local PCs or remote telemangement PC

• Optional C-Bus transmission of data with local PCs or remote Telemanagement PC.

To enable data transmission and Telemanagement use the “C-Bus Plug-in” type ACB 400 C1 or later

To communicate locally with a PC use the test Plug-in type ACX 232

3. DETECTORS, REMOTE CONTROLS & ACCESSORIES

No. Description Type Sensing Code Data

element sheet

1 Heating flow surface(1) temperature detector SCH 010 NTC 10 kΩ B1-B5 N 130

1 Outside temperature detector SAE 001 NTC 1kΩ B2 N 120

Accessories :

1 Ambient temperature detector SAB 010 NTC 10 kΩ B3-B6 N 111

1 Boiler anticondensing immersion detector SIH 010 NTC 10 kΩ B4 N 140

1 Remote control for modifying current programme CDB 300 – R –

Options :

1 1) Immersion temperature detector SIH 010 NTC 10 kΩ B1-B5 N 140

Accessory for Telemanagement

1 Plug-in for communicating via C-Bus ACB 400C1 – – T 433

CRING

BUS

OPTIONAL

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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COSTER

4. TECHNICAL DATA

• Electrical

Power supply 230 V AC ± 10%

or 240 V AC for UK market

Frequency 50 … 60 Hz

Consumption 5 VA

Protection IP40

Radio disturbances VDE0875/0871

Vibration test with 2g (DIN 40 046)

Voltage-free output contacts:

maximum switching voltage 250 V ~

maximum switching current 5 (1) A

Construction standards Italian Electrotec. Committee (CEI)

Data storage 5 years

• Mechanical

Case DIN 6E module

Mounting DIN 35 rail

Materials:

base NYLON

cover ABS

Ambient temperature:

operation 0 … 45°C

storage – 25 … + 60°C

Ambient humidity Class F DIN 40040

Dimensions 105 x 115 x 71,5

Weight 1.0 kg

• Programmes & periods

24-hour programmes 1 … 25

24-hour events 2 … 6

7-day programmes 0 … 2

Holiday periods 0 … 25

Special period 1

Remote Extension period 0 ... 3 ... 72 h

• Measurement ranges

Flow temperature 0 … 99 °C

Outside temperature – 30 … + 40 °C

Ambient temperature 0 … 30 °C

Anticondensing temperature 0 ... 99 °C

• Heating

Flow temperature:

radiators 40 ... 70 ... 99 °C

fan coil 40 ... 80 ... 99 °C

panels 20 ... 40 ... 50 °C

minimum limit 1 … 99 °C

maximum limit 1 … 99 °C

Design outside temperature – 30 … – 5 … + 20 °C

Correction curve origin 20 … 40 °C

Boiler anticondensing temp. 0 ... 50 ... 99 °C

Delay switching off pump 2 ... 30 ... 60 minutes

Ambient Authority 0 ... 20 °C/°C

Mode temperatures :

ambient 5 Normal 0 … 19-21 … 30 °C

ambient 2 Setback 0 … 14-16 … 30 °C

ambient Frostprot 0 … 6.0 … 30 °C

ambient Remote Extension 0 … 21.0 … 30 °C

water 2 Flows 0 … 20-30 … 99 °C

Valve actuator run time 30...630...3,600 s

Optimisation of operating times:

start inertia 0.00 ... 1.00 ... 7.45 h

limit “Normal” optimisation 0.00 ... 2.00 ... 12.00 h

limit “Holidays” optimisation 0.00 ... 10.00 ... 40.00 h

boosting 0.0 ... 3.0 ... 10.0 °C

reduction ambient temp. optimum stop 0.00 ... 0.5 ... 3.5 °C

time constant 1 ... 48 ... 255 h

• Telemanagement

Speed C-Bus chosen from 1200, 2400, 4800, 9600 bauds

• Telemanagement (setting by PC)

Attempts send alarms 1 … 5 … 255

Interval between attempts 2 … 10 … 255 min.

Alarms (setting by PC):

threshold diff. flow 1 temperature (B1) 0.5…5…99 °C

delay diff. flow 1 temperature 2…30…255 min.

threshold diff. flow 2 temperature (B5) 0.5…5…99 °C

delay diff. flow 2 temperature 2…30…255 min.

threshold diff. ambient 1 temperature 0,5…1…30 °C

delay diff. ambient 1 temperature 2…30…255 min.

threshold diff. ambient 2 temperature (B6) 0.5…1…30 °C

delay diff. ambient 2 temperature 2…30…255 min.

1 - Two-line backlighted alphanumeric display

2 - + and – operating keys

3 - ← and → operating keys

4 - Valve 1 control LEDs

5 - Zone 1 pump control LED

6 - Valve 2 control LEDs

7 - Zone 2 pump control LED

8 - On-Off alarms LED

9 - Measurement alarms LED

10 - Controller fault LED

11 - Plug-in type ACB 400 C1 for C-Bus communication

6. FACIA

4 5 3

7 8 9 106

WARNING : in presence of electrical disturbances the output controls of the controller may change status but this will be

restored automatically.

5. OVERALL DIMENSIONS

1 – Protective cover for electronic components

2 – Base with transformer, relay & terminal blocks

3 – Screws for fixing cover- base

4 – DIN rail securing elements

5 – DIN rail release lever

6 – Plug-in for C-Bus communication

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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7. SCHEMATIC & WIRING DIAGRAMS

8. SITING OF CONTROLLER & DETECTORS

8.1 Controller

The controller must be sited in a dry space which meets the permitted ambiental limits shown under 4.TECHNICAL

DATA. If positioned in a space classified as “Dangerous” it must be enclosed in a cabinet for electrical apparatus

constructed according to the regulations in force for the class of danger involved.

It can be installed on a DIN rail or in a DIN modular enclosure.

8.2 Plant ﬂow temperature detectors B1 and B5

With plant pump on flow they must be installed downstream of this ; with pump on return they must be installed at

least 1.5 meters downsteam of regulating valve.

8.3 Outside temperature detector B2

This must be installed outside the building, on the north or north-west side, at least three meters from the ground

and protected from direct sunlight, and as far as possible from windows, doors, chimneys or other possible direct

thermal disturbances.

8.4 Ambient temperature detectors B3 and B6

These must be installed at a point which represents the average temperature of a representative space (eg : living

room) at a height of 1.5 ... 1.6 metres from the floor, on an internal wall as far as possible from windows, doors and

sources of heat ; corners, shelving and curtains must be avoided.

8.5 Anticondensing detector B4

Can be used only if the boiler is provided with an anticondensing pump and must be installed on the boiler return

pipe between the anticondensing pump connection and the boiler itself.

9. WIRING

Proceed as follows :

• Separate base and cover

• Mount base on DIN rail and check that securing elements (5.4) hold it firmly in place.

• Carry out wiring according to the diagram and in observance of the relevant regulations in force, and using cables of :

– 1.5 mm2 for power and relay control outputs

– 1 mm2 for sensors and remote control

– 1 mm2 for C-Bus and C-Ring. For wire length limits please see technical data sheets T 021 and T 022

• Reposition the cover on the base / terminal block and fasten with the 4 screws supplied (5.3).

• Check that voltage is correct and supplied by the dedicated auxiliary line, measuring it upstream of the protec-

tion (circuit breaker, fuse....).

• Power up the device.

You are advised not to insert more than two cables in a single terminal of the controller and if necessary to use external junction

boxes.

B1 – Zone1 flow temp. detector

B2 – Outside temp. detector

B3 – Ambient temp. detector 1

B4 – Anticondensing temp. detector

B5 – Zone 2 flow temp. detector

B6 – Ambient temp. detector 2

c1 – Zone 1 Remote Extension SPST switch

c2 – Zone 2 Remote Extension SPST switch

k1...3 – On-Off alarm contacts

L – Line 230 V AC (or 240 V AC for UK market)

N – Neutral

M1 – Heating pump 1

M2 – Heating pump 2

R – Remote control for modifying programmes Zone 1 and / or 2

Y1 – Heating valve 1

Y2 – Heating valve 2

C-Bus – Transmission data via Telemanagement; C-Bus

is enabled using the Plug-in type ACB 400 C1

C-Ring – Transmission data between controllers

TTT

B7 0C C

8 9

Tk1 k2 k3

E2 E3E1 DU

L N N

Co Cl

4 5

1 2 36 7

Co Cl

M1 M2

B2B1 B4B3 B6B5

11 12 13 14

XSE 602

230 V AC

(or 240 V AC

for UK market)

Y1 Y2

C BUS

C RING

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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COSTER

10. COMMUNICATION

10.1 C-Ring : communication between controllers (for detailed information please see technical data sheet T 022)

XSE 602 controller can only be “Slave”.

In C-Ring the following signals are transmitted :

– permission for controllers to operate.

– value of the outside temperature (use of a single detector for several controllers)

– value of ﬂow temperature requested by controllers; used by “PRIMARY” controller for control

of temperature boilers (if foreseen).

– DHW priority and / or anticondensing = closure valves heating zones by modulating control

action.

10.2 C-Ring wiring diagram

10.3 C-Bus communication for telemanagement (for detailed information please see technical data sheet T 021)

XSE 602 provides :

– remote Telemanagement by when enabled by C-Bus Plug-in type ACB 400 C1

– local communication (e.g. setting via PC) when enabled with Test Plug-in ACX 232

Telemanagement is bidirectional, with one or more local PCs and/or the remote central PC via

PSTN.

Local communication is direct to a portable PC to be connected directly to the unit.

From PC or PCs it is possible to display and/or change :

– the data and values entered on display pages of the controller and those of configuration

dedicated exclusively to telemanagment (see 4.TECHNICAL DATA)

– operational status of plant components (pumps, auxiliaries in general)

– acquire alarms coming from boiler plant

– read the measurements of the detectors (temperatures : outside, flow, boiler, etc)

10.4 C-Bus electrical connection for local or remote Telemanagement

Each controller must be equipped

with the C-Bus Plug-in of the required

type for the controller in question

10.5 Connection to PC for local communication via test Plug-in ACX 232

Extract the C-Bus Plug-in and insert the test Plug-in ACX 232; use a standard cable to connect the RS232 plug to

the PC (the cables are included in the “CONVENIENCE KIT”.

If the PC has only USB inputs use a standard RS232 to USB conversion cable.

Observations : – Before communicating, ensure that the address entered in the controller is the address with which you wish

to communicate via PC.

– It is advisable to use a portable PC powered by battery with the connection to 230 Volts unplugged (or 240 V

AC for UK market), since the earth (0 volts) of the controller is connected to that of the RS 232 and so to that

of the PC. By connecting the two earths together you could have dispersed currents, if the earths have not

been well made and if the PC has its 0 volt connected directly to the central pole of the plug (as is usual)

ACCESSORIES:

–Test Plug-in = ACX 232

–Convenience kit = KIT RS 232

The “Convenience kit” contains

the 2 cables & other useful ac-

cessories.

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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COSTER

C = correction curve origin

T°f = desired flow temperature

T°fde = design winter flow temperature

T°ode = design winter outside temperature

T°fmax = maximum limit winter flow

T°fmin = minimum limit winter flow

t°o = outside temperature

The heating control curve , having reference to to a desired ambient temperature of 20 °C, is esta-

blished, for each heating zone, by :

• design outside temperature , used for calculation of winter heat losses from building and

depends on the climatic zone in which building is situated.

Note : appears in the setting of both the heating zones controlled but the value is common

to both.

• design flow temperature , used for determining thermal requirements of heating zones (eg:

radiators = 70 °C ; fan coils = 80 °C ; panels = 40 °C).

• heating curve origin = winter flow temperature with outside temperature of 20 °C

The flow temperature required by controller depends also on value of ambient temperature required

by operating mode Normal , Setback , Frostprot (parallel + / – adjustment of curve).

12.3 Origin of heating curve

The conventional point of origin of the heating curve (+ 20 °C flow at 20 °C with + 20 °C outside)

can be adjusted by an increase in the flow temperature (Max. + 20 °C).

The adjustment may be necessary to avoid possible unbalances in the output of the heat emitters

with high outside temperatures (intermediate seasons).

D e s i g n O u t s i d e

T e m p : – 5 . 0 c

23.2 - 24.2

D e s i g n F l o w

T e m p : 7 0 . 0 c

23.3 - 24.3

C u r v e O r i g i n T O 2 0

F l o w T : 2 0 . 0 c

23.4 - 24.4

11. OPERATION

XSE 602 is a slave digital controller with microprocessor which, order to function, has to be connected

to a primary controller (XCC or XTE). It is designed for :

– compensated control, with or without ambient authority, of two heating zones. Three-wire control

of motorised valves and On-Off control of circulation pumps.

– the acquistion of status and / or alarms regarding plant components

To configure the controller, please see “18. SEQUENCE OF DISPLAY PAGES”

12. HEATING ZONE

12.1 Type of installation

The controller must be configured according to the type of heat emitters used:

• Type heat emitters : RADIATORS

PANELS

FAN COILS

12.2 Heating control curve

For each heating zone controlled, the flow temperature requested by the controller (detector B1 and

B5) is adjusted according to the outside temperture (detector B2 or value transmitted via C-Ring)

and to the heating control curve .

The controller compares the actual value of the flow temperature with the corresponding one on the

curve, and, in the event of a difference, regulates with PI control action (pre-set proportional band

Pb and integral time It), the motorised valve to eliminate it.

H e a t E m i t t e r s

R A D I A T O R S

23.1 - 24.1

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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COSTER

12.4 Operating temperatures

XSE 602 permits configuring, with different desired temperature values, the various operating modes

available, namely :

– 5 NORMAL = operation with compensated control to provide comfortable ambient

temperatures (daytime or when building occupied)

– 2 SETBACK = operation with compensated control to provide economical ambient

temperatures (at night or when building not occupied)

– FROSTPROT = operation with control providing safety temperature (holidays or when building

not occupied)

– 2 FLOW = operation with control providing flow temperature at a constant value (heating

curve not taken into consideration)

– OFF = valve closed and pump idle

12.5 Minimum and maximum ﬂow temperature limits

When the desired flow temperature reaches one of its limit values it is kept constant at that value.

eg : - minimum limit to avoid circulation of cold air in fan coils

- maximum limit to avoid dangerous overtemperatures in panels

Warning : The maximum limit temperature does not substitute observance of the safety measures

in force.

12.6 Actuator run time

This is the time taken for a complete run (open / close) of the valve actuator necessary for correct

control operation.

12.7 Ambient authority

When ambient sensor B3 is connected, the controller is able to adjust the desired flow temperature

in accordance with the ambient authority set.

When sensor B3 is not connected, the adjustment is made only in the Setback / Frostprot modes

using the value of the ambient temperature calculated in relation to the time constant.

– POSITIVE: increase of flow temperature for each °C difference between measured room tempe-

rature and the desired toom temperature, when the measured room temperature is

below the desired room temperature.

– NEGATIVE : reduction of the flow temperature for each °C difference between the measured room

temperature and the desired room temperature, when the measured room temperature

is higher than the desired room temperature..

12.8 Eco Off

For each heating zone, permits excluding heating when weather conditions do not require it :

– NO = disabled

– YES = enabled

Functions only in Normal /Setback modes for :

Tfc - Taac ≤ 2°C = Eco Off On

Tfc - Taac ≥ 4°C = Eco Off Off

where : Tfc =calculated flow temperature

Taac =actual or calculated ambient temperature

12.9 Operating programmes

Choice of operating programme for each heating zone according to requirements :

– 24 HOUR 1...7; – 7DAY1 - 2, – NORMAL 1...5; – SETBACK 1 - 2; FROSTPROT;

– FLOW 1 - 2; OFF

In place of programme the following may appear :

– SUMMER = controller is in summer period

– HOLIDAY = controller is in holiday period

– SPECIAL = controller is in special period

– REMOTE EXTENSION = “Remote Extension” period has been activated.

To cancel this function, on first page press ← and → keys together

– REMOTENORMAL 1 = remote control “R” is in “Normal” position

– REMOTESETBACK 1 = remote control “R” is in “Setback” position

– REMOTE FROSTPROT = remote control “R” is in “Frostprot” position

– REMOTE OFF = remote control “R” is in “Off” position

– REMOTE+2c = remote control “R” is in “TAd + 2°C” position

19.2

H t g 1 : - - - - - - - - - -

2 4 H O U R 1

E c o O f f

H t g 1 : N O H t g 2 : N O

20.13

19.3

H t g 2 : - - - - - - - - - -

2 4 H O U R 1

D e s i r e d T e m p

N O R M A L 1 2 0 . 0 c

20.1-20.5

D e s i r e d T e m p

S E T B A C K 1 1 6 . 0 c

20.6-20.7

D e s i r e d T e m p

F R O S T P R O T 6 . 0 c

20.8

F l o w T L i m i t s

M i n : 1 c M a x : 9 9 c

23.5- 24.5

C o n t r o l : V A L V E

T i m e : 6 3 0 s e c

23.6 - 24.6

D e s i r e d T e m p

F L O W 1 3 0 . 0 c

20.9-20.10

A m b i e n t A u t h o r i t y

P O S I T I V E : + - - - - c

23.7 - 24.7

A m b i e n t A u t h o r i t y

N E G A T I V E : – – – – – c

23.8 - 24.8

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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12.10 Operating mode and adjustment of temperature

The modes in use depend on the programmes set in and

and can be seen on the two pages of the display :

• NORMAL Td - -.- c

SETBACK Td - -.- c

FLOW Td - -.- c

FROSTPROT Td - -.- c

OFF

ECO OFF

In the NORMAL / SETBACK operating modes it is possible to adjust the value of the desired

temperature :

• Var + = variation of ± 3°C

12.11 Modifying programmes by remote control

The remote control R (CDB300) can be configured to act on a single heating zone or on both heating

zones controlled :

– NO = remote control excluded

– ZONE 1 = modifications by remote control affect only zone 1

– ZONE 2 = modifications by remote control affect only zone 2

– ZONES 1 & 2 = modifications by remote control affect both zones

The remote control permits selecting at a distance the operating programmes :

– OFF =plant excluded

– FROSTPROT = continuous operation at desired Frostprot ambient temp.

– NORMAL = continuous operation at desired Normal 1 ambient temp.

– SETBACK = continuous operation at desired Setback 1 ambient temp.

– TAd +2c = increase of 2 °C in temp. desired by mode in use

– AUTOMATIC =operation with programme chosen for controller

12.12 Control zone pump

The heating zone pumps can be controlled in two ways :

• MAN = Pump in continuous operation (always On)

AUT = Pumps M1 and M2 controlled according to modes in use :

– Off : pump always Off

– Eco Off : pump always Off

– Extension : pump always On

– Normal : pump always On

– Setback, Frostprot & Optimum Stop :

pump Off after Optimum Stop .

Pump On when actual or calculated ambient temperature is below

calculated flow temperature

– Boosting : pump always On

– Flow : pump always On

• Delay Off : 30 min = delay time in switching off to dissipate heat accumulated in plant

12.13 Metering degree-days

For each zone controlled XSE 602 meters degree-days in two ways

• 20 = metering of degree-days with reference to conventional ambient temperature of 20 °C

• Amb = metering of degree-days with reference to the actual ambient temperature (with de-

tector B3 or B6) or to that calculated (without B3 or B6)

19.4

M o d e 1 : N O R M A L

T d 2 0 . 0 c V a r + 0 . 0 c

23.16 - 24.16

H e a t i n g P u m p : A U T

D e l a y O f f : 3 0 m i n

19.5

M o d e 2 : N O R M A L

T d 2 0 . 0 c V a r + 0 . 0 c

H t g 1 : - - - - - - - - - -

2 4 H O U R 1

19.2

H t g 2 : - - - - - - - - - -

2 4 H O U R 1

19.3

25.3

E n a b l e R e m o t e

N O

22.7 - 22.8

D e g r e e - D a y s

2 0 : x x x x A m b : x x x x

13. OPTIMISATION

Start and stop at variable times so as to obtain desired ambient temperatures in coincidence with

times of start and end of occupancy.

Useful for buildings with discontinuous occupancy such as schools and offices.

The method of establishing the time of optimised start depends on the presence or not of the am-

bient detector.

13.1 Optimisation with ambient detector

The start time, for both heating zones controlled, is established by the meeting point of the descending

curve of the actual ambient temperature, with plant OFF or in the SETBACK / FROSTPROT mode,

and the ascending curve of ambient temperature, defined by the parameter “Start inertia .”

With “Start inertia“ on AUTOMATIC : if the desired ambient temperature is obtained too soon or too

late in respect of the time required, the controller adjusts the start time for the following day by ± 15

minutes until the desired time is obtained.

13.2 Optimisation without ambient detector

“Start inertia ” set on MANUAL : the start time is established by the controller on the basis of the

“Cooling time constant ” (23.13 - 24.13)

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

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14. PROGRAMMES & PERIODS WITH DATES

All programmes with timed events and periods with dates are available for both heating zones.

14.1 24-hour programmes

Enter the number of 24-hour programmes you wish to use (from 1 to 25).

In each 24-hour programme (P1 ... P25) you can set a maximum of 6 event start times (Event 1 ...

Event 6) assigning to each one of following modes :

– NORMAL 1...5 = compensated control with NORMAL ambient temperature

– SETBACK 1 - 2 = compensated control with SETBACK ambient temperature

– FLOW 1 - 2 = control with fixed FLOW temperature

– FROSTPROT = compensated control with FROSTPROT ambient temperature

– OFF = plant Off, valve closed and pump idle

The event start times must be entered in increasing order.

Events not used must be excluded by pressing + and – keys at the same time (– – –).

Unused times (– – –) must not be left between programmed events.

21.2

⇓

21.7

P 1 E v e n t 1 0 6 . 0 0

N O R M A L 3 2 1 . 0 c

P 1 E v e n t 6 2 2 . 0 0

S E T B A C K 1 1 6 . 0 c

21.1

H o w m a n y 2 4 h o u r

P r o g r a m m e s ? 1

13.3 Enabling of the function

• Optimum start = automatic change of start time of plant after stop / night setback or after holidays.

– On : NO = optimum start function disabled

YES = optimum start function enabled

• Optimum stop = stop before end of NORMAL (day) mode on condition that temperature at end of

event is not below that set in 23.14 - 24.14.

– Off : NO = optimum stop function disabled;

YES = optimum stop function enabled.

• The functions are not enabled in FLOW 1 and 2 modes and are operative only at first and last event

of programme.

13.4 Start inertia

Time necessary (hours / °C) for plant to increase ambient temperature by 1 °C.

– MANUAL = value can be adjusted only manually

– AUTOMATIC = only with ambient detector; automatic daily adjustment of ± 15 minutes.

13.5 Duration of normal optimisation

Maximum period before start occupancy for first startup of plant when controller uses one of 7-day

and/or 24-hour programmes available ; in practice, startup after being switched off for a night.

13.6 Duration optimisation after holiday

Maximum period before start occupancy for first startup of plant after a holiday period.

13.7 Boosting

Increase in desired ambient temperature, and consequently in flow temperature, during optimum

start period, so as to reduce time for heating zone(s) to reach required temperature.

With ambient detector, if desired ambient temperature is reached before required time the controller

switches to compensated control according to programme.

13.8 Cooling time constant

Time taken by ambient temperature, with heating zone(s) excluded, to fall by 2/3 its initial value. It

is used by controller to calculate ambient temperature (in SETBACK / FROSTPROT modes) when

plant is without ambient detector.

13.9 Reduction of temperature for optimum stop

Maximum reduction in ambient temperature permitted at time of end of occupancy in respect of

desired ambient temperature.

13.10 Maximum optimum stop

Maximum period before end occupancy permitted for stopping plant.

The time is calculated in relation to temperature reduction set in with

ambient detector and to “Cooling time constant” without ambient detector.

With ambient detector: if ambient temperature falls, by the reduction value set, before the time

occupancy ends, the controller returns to operating according to programme.

23.9-24.9

S t a r t I n e r t i a

M A N U A L 1 . 0 0 h / c

23.19-24.10

O p t S t a r t N o r m a l

M a x D u r a t : 2 . 0 0 h

23.11-24.11

O p t S t a r t H o l i d a y

M a x D u r a t : 1 0 . 0 0 h

23.12-24.12

O p t i m u m S t a r t

B o o s t i n g : 3 . 0 c

23.13-24.13

C o o l i n g T i m e

C o n s t a n t : 4 8 h r s

23.14-24.14

O p t i m u m S t o p

D e c r e a s e T A : 0 . 5 c

23.15-24.15

O p t i m u m S t o p

M a x D u r a t : 1 . 0 0 h

O p t i m u m S t o p

D e c r e a s e T A 0 . 5 c

23.14-24.14

20.14

O p t i m i s H t g 1

O n : N O O f f : N O

20.15

O p t i m i s H t g 2

O n : N O O f f : N O

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

14.2 7-day programmes

Enter the number of programmes you wish to use (max. 2)

In each 7-day programme you can assign to each day of the week one of following programmes :

– 24HOUR 1 …25;

– NORMAL 1...5;

– SETBACK 1 - 2;

– FLOW 1 - 2;

– FROSTPROT ;

– OFF.

14.3 Holiday periods

These establish, for each zone, an operating programme, the same for all holiday periods, which

overrides the programme in use. At the end of each holiday period the controller returns to normal

operation.

To reduce the number of display pages dedicated to entering the dates, enter the number of holiday

periods or of bank holidays you wish to use (max. 25).

If left at 0 the programming pages do not appear.

Choose the programme to be used during all the holiday periods.

– 7DAY 1 - 2; – 24HOUR 1 …25; – NORMAL 1 ... 5; – SETBACK 1 - 2;

– FLOW 1 - 2; – FROSTPROT ; – OFF.

Enter the dates for each single holiday period and assign it to each zone concerned

• Hol. 01 = choice of periods made available by

• Htg : – NO = unused holiday period

– 1 = holiday period used only by heating zone1

– 2 = holiday period used only by heating zone 2

– 1+2 = holiday period used by heating zones 1 & 2

• Fr - - . - - to - - . - - = day and month of start and end of holiday period

For a single day of holiday enter the same date for start and end.

To cancel the holiday period keep + and – keys pressed at the same time.

14.4 Special period

Period in which, for each heating zone, an operating programme to meet particular requirements

is set which substitutes temporarily the one in use :

– 7DAY 1 - 2; – 24HOUR 1 …7; – NORMAL 1 ... 5; – SETBACK 1 - 2;

– FLOW 1 - 2; – FROSTPROT; – OFF.

• Fr - - . - - to - - . - - = day and month of start and end of special period.

14.5 Extension period

The Extension period overrides all programmes and modes in use, causing the heating zones to

operate for the time and at the temperature set. To activate the Extension period, close the switch

c1 ( for heating zone 1) or c2 (for heating zone 2), for at least five seconds and then open it. At the

expiry of the period set the controller will resume its automatic operation.

• Extension 21.0c = setting of desired ambient temp. during Extension period

• for hours : 3 = setting of duration of Extension period

To interrupt the Extension period before the duration set expires press ← and → keys together.

14.6 Heating season

Establishes the winter heating season for both heating zones.

Enter the day and month of start and end of heating season.

To cancel the period keep pressed + and – keys at the same time.

14.7 Summer time

The controller can automatically change the current time of day at the beginning and end of the

daylight saving period.

– AUT = The change from BST to GMT and viceversa is automatic.

– MAN = you can set date different from that of European Community

To cancel the period, press + and – keys simultaneously

21.9

⇓

21.15

7 d a y 1 M O N D AY

2 4H O U R 1

7 d a y 1 S U N D A Y

2 4H O U R 1

21.8

H o w m a n y 7 d a y

P r o g r a m m e s ? 0

21.16

H o w m a n y H o l i d a y

P e r i o d s ? 0

21.17

H o l i d a y P r o g H t g 1

F R O S T P R O T 6 . 0 c

21.19

H o l 0 1 H t g : N O

F r - - . - - t o - - . - -

19.7

H t g 1 : S p e c i a l P

2 4H O U R 1

19.8

H t g 1 : S p e c i a l P

F r - - . - - t o - - . - -

21.20

H e a t i n g S e a s o n

F r - - . - - t o - - . - -

20.11

R e m o t e E x t 2 1 . 0 c

f o r h o u r s 3

21.18

H o l i d a y P r o g H t g 2

F R O S T P R O T 6 . 0 c

H o w m a n y H o l i d a y

P e r i o d s ? 0

21.16

19.9

H t g 2 : S p e c i a l P

2 4H O U R 1

19.10

H t g 2 : S p e c i a l P

F r - - . - - t o - - . - -

21.21

S u m m e r T i m e A U T

F r 2 9 . 0 3 t o 2 6 . 1 0

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

15. COMPLEMENTARY FUNCTIONS

15.1 Anticondensing function

Choice of enabling or not anticondensing function

– NO = function disabled

– YES = When the return to boiler temperature (measured by detector B4) falls below the desi-

red anticondensing temp. the controller closes the heating plant valve with modulating

control action.

• Desired T. : - -. - c = value of anticondensing temperature.

15.2 Summer plant exercise

This function, which is applicable to both heating zones, prevents lockouts of valves and pumps

when plant is not used for prolonged periods.

– NO = function excluded

– YES = every Sunday at 11.00 the valves are opened for 15 minutes and at 12.00 the pumps

are run for 5 minutes.

15.3 Access keynumber

Choice and enabling of access keynumber which prevents any modification of data by means of +

and – keys. Enter the number (1900 ... 1999) using + and – keys.

To cancel keynumber, press + and – at the same time until the dashes reappear.

When the keynumber is enabled, if + or – keys are pressed on the display appears the request to

enter the keynumber. Only after having entered the correct keynumber can + and - keys be used.

If for 15 minutes no key is pressed the keynumber is automatically re-enabled.

15.4 Denomination of heating zones

Composition of name of heating zones.

Each dash can be replaced, using + and – keys, by a letter of the alphabet (A ...Z) or by a number

(0 ... 9). The ← and → keys serve to position the cursor .

15.5 Display of measurements

The controller displays, for each heating zone, all the values measured by the detectors and the

data necessary to monitor the operational status of the plant :

• ambient temperature desired by modes in use and actual measured by detectors B3 and B6.

If the detectors are not connected, in place of Act Amb T appears Cal Amb T .

• ﬂow temperatures desired by modes in use and actual measured by detectors B1 and B5.

• outside temperatures actual. If detector B2 is not connected to controller, in place of “actual”

appears “C-Ring” and the value is that coming via C-Ring.

• anticondensing temperature desired by mode in use and actual measured by detector B4.

If detector B4 is not connected there appears Act AntictT: - - .-.

16.5 Data recording

For each heating zone controlled the controller, at each change of mode and every two hours, records

a series of data indicating the operational status of the heating zones controlled :

– Current time, day and type of recording (change of mode or expiry of two-hour period); current

mode , actual outside temp., compensated flow temp., desired and actual flow temp., desired

and actual ambient temp., anticondensing temp.

– Relay outputs status

The controller can memorise 28 complete recordings and the last recording brings about the can-

cellation of the oldest one.

If the display does not show the first page, the controller makes the recording at the expiry of the

two-hour period, but not that of change of mode because it presumes changes to the setting data

are in progress.

The recordings can be displayed only by the telemanagement PC.

22.1 - 22.2

D e s A m b T : 2 1 . 0 c

A c t A m b T : 2 1 . 0 c

22.5

O u t s i d e T e m p

A c t u a l : – 2 . 0 c

22.6

D e s A n t i c T : 5 0 . 0 c

A c t A n t i c T : 5 8 . 0 c

22.3 - 22.4

D e s F l o w T : 6 5 . 0 c

A c t F l o w T : 6 4 . 0 c

23.16

N a m e H t g P l a n t 1

- - - - - - - - - -

24.16

N a m e H t g P l a n t 2

- - - - - - - - - -

20.12

A n t i c o n d e n s : N O

D e s i r e d T : 5 0 . 0 c

25.7

C h o i c e K e y n u m b e r

- - - -

A c c e s s K e y n u m b e r

- - - -

20.16

S u m m e r P l a n t

E x e r c i s e : N O

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

16. ALARMS

The alarms processed by the controller are of three types :

– alarms for the irregular operation of the controller and of the heating zones controlled

– alarms for short or open circuits detectors connected

– alarms by external contacts

The alarm status is indicated by the LEDs on the controller facia and by the word ALARM appearing

on the display when alarm is sent to PC, and is identified, on the configuration page, by the letter

“A” alternating with the number of the alarm concerned.

With C-Bus setup the alarms can be sent to a local PC and / or to the telemanagement central PC.

16.1 Functional alarms

The functional alarms are triggered in the presence of prolonged differences between actual and

desired values.

These alarms, with the exception of the real time clock alarm (8), do not affect the normal operation

of the controller.

Factory setting : all disabled except for real time clock alarm (8)

Using + key enable alarms of interest replacing dashes with numbers.

When the number blinks = alarm triggered

The limit values and the delay times for sending the alarms can only be modified by PC.

Type of alarm and causes :

1 = temperature difference heating zone 1 flow (B1)

– enabled with pump M1 in operation

– triggered when actual temperature less than that desired.

3 = temperature difference ambient (B3)

– enabled with NORMAL modes and with outside temperature below desired ambient tempe-

rature.

– triggered when actual temperature below or above that desired.

5 = temperature difference heating zone 2 flow 2 (B5)

– enabled when pump M2 in operation

6 = temperature difference ambient (B6)

– enabled with NORMAL modes and with outside temperature below desired ambient tempe-

rature.

– triggered when actual temperature below or above that desired.

8 = internal real time clock : cannot be disabled

– triggered when clock assumes meaningless values.

16.2 Detector alarms

The detector alarms are triggered in the event of open or short detector circuits.

Factory setting : all enabled.

With + and – keys disable the alarms which are not of interest by substituting dashes for the numbers.

Type of alarm and effect :

1 = flow 1 detector (B1) : valve Y1 stops where it is and pump M1 maintains its status at moment

of alarm.

2 = outside detector (B2) : valves stop where they are and pumps maintain their status at moment

of alarm. In C-Ring last value continues to be transmitted.

3 = ambient 1 detector (B3) : with pump M1 On, ambient temp. = desired ambient temp.; with

pump M1 Off, value of ambient temp. calculated by controller.

4 = anticondensing detector (B4) : anticondensing function disabled.

5 = flow 2 detector (B5) : valve Y2 stops where it is and pump M2 maintains its status at moment

of alarm.

6 = ambient 2 detector (B6) : with pump M2 On, ambient temp. = desired ambient temp.; with pump

M2 Off, value of ambient temp. calculated by controller.

8 = C-Ring : open electric circuit or fault in one of controllers in ring.

The triggering of the alarm is delayed by one minute .

16.3 Alarms or status from external contacts (k)

Alarms triggered by closure of voltage-free contacts k1 ... k3 regarding plant components (pumps,

burners, etc).

The triggering of the alarm is delayed by one minute.

Factory setting : all disabled.

With + key enable alarms which are of interest by substituting numbers for dashes.

When number blinks = alarm triggered.

If not used as alarms they can be used as status indicators .

25.4

F u n c t i o n a l A l a r m s

– – – – 8

25.5

D e t e c t or A l a r m s

1 2 3 4 5 6 8

25.6

K A l a r m s

– – – – –

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

18. SEQUENCE OF DISPLAY PAGES (the data and the functions are those in memory at time of delivery)

Keys for scrolling the pages on the display and positioning the cursor on the data which can be changed.

The data which can be changed, in the following descriptive list of display pages, are highlighted thus

By pressing these keys at the same time, or in any event after 15 minutes, the first page appears on the display.

Keys for : - changing the values highlighted by the cursor

– viewing the configuration options of a function, for example : or

– passing directly from one menu (series of pages) to another

H e a t E m i t t e r s

F A N C O I L S

H e a t E m i t t e r s

P A N E L S

H t g : - - - - - - - - - - - -

1 2 . 1 8 M O N D A Y

–+

17. COMMISSIONING

Testing to be carried out when installation concluded, wiring and configuration completed and

checked.

17.1 Testing C-Ring

Ensure that all the other controllers connected in C-Ring are :

– correctly powered by 230 V AC (or 240 V AC for UK market)

– Slave controllers or configured as SECONDARIES in

– selected on testing page

The “PRIMARY” controller sends a signal every 5 seconds via C-Ring. On all the displays appears

“??”. If the connection is positive, “OK” replaces “??” on all the displays.

If on one or more displays “OK” does not appear, this means that there is a break between the last

controller with “OK” and the first with “??”.

Examples of testing a C-Ring setup with four controllers :

– Cont.1 "OK" – Cont. 2 "OK" – Cont.3 "OK" – Cont.4 "OK" : Wiring positive

– Cont.1 "??" – Cont. 2 "OK" – Cont.3 "OK" – Cont.4 "OK" : Break between 4 and 1

– Cont.1 "??" – Cont. 2 "OK" – Cont.3 "??" – Cont.4 "??" : Break between 2 and 3

– Cont.1 "??" – Cont. 2 "??" – Cont.3 "??" – Cont.4 "??" : Break between 1 and 2

17.2 Testing outputs

With + and – keys choose :

• output to be tested :

– VALVE 1 ; VALVE 2;

– PUMP 1 ; PUMPA 2;

•status :

– with VALVE : IDLE ; CLOSES ; OPENS

– with PUMP: ON or OFF

Check the result

26.1

C R i n g : ? ?

26.2

O u t p u t : V A L V E 1

S t a t u s : I D L E

C R i n g C o n n e c t i o n

S E C O N D A R Y

C R i n g : ? ?

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

WARNING: to indicate to which heating zone the data displayed refer, “Htg 1” or “Htg 2” appear on the display. Where

these indications do not appear the heating zone is indicated by the blinking of the corresponding “Valve”

and “Pump” LEDs. If no indication appears the data displayed are common to both heating zones.

H t g 1 : - - - - - - - - - -

2 4 H O U R 1

H t g 2 : - - - - - - - - - -

2 4 H O U R 1

M o d e 2 : N O R M A L

T d 2 1 . 0 c V a r + 0 . 0 c

1 2 . 1 8 M O N D A Y

1 0 . 0 2 . 9 6 G M T

H o w m a n y 2 4 h o u r

P r o g r a m m e s ? 1

P 1 E v e n t 1 0 6 . 0 0

N O R M AL 3 2 1 . 0 c

P 1 E v e n t 6 2 2 . 0 0

S E T B A C K 1 1 6 . 0 c

H o w m a n y 7 d a y

P r o g r a m m e s ? 1

7 d a y 1 M O N D A Y

2 4 H O U R 1

7 d a y 1 S U N D A Y

2 4 H O U R 1

H o w m a n y H o l i d a y

P r o g r a m m e s ? 0

–

T E C H N I C A L P A G E S

P R E S S + K E Y +

–

C R i n g ? ? O u t p u t : V A L V E 1

S t a t u s : I D L E

M o d e 1 : N O R M A L

T d 2 1 . 0 c V a r + 0 . 0 c

D e s i r e d T e m p

N O R M A L 1 2 0 . 0 c

D e s i r e d T e m p

N O R M A L 2 2 0 . 5 c

D e s i r e d T e m p

N O R M A L 3 2 1 . 0 c

D e s i r e d T e m p

N O R M A L 4 1 9 . 5 c

D e s i r e d T e m p

N O R M A L 5 1 9 . 0 c

C h o i c e M e n u + / –

E V E N T S & P E R I O D S

21.

C h o i c e M e n u + / –

T E M P & C O N T R O L S

20.

H t g . 1 : - - - - - - - - - -

1 2 . 1 8 M O N D A Y

19.

T E C H N I C A L P A G E S

P R E S S + K E Y

H e a t E m i t t e r s

R A D I A T O R S

D e s ig n F l o w

T e m p : 7 0 . 0 c

C u r v e O r i g i n T 0 2 0

F l o w T : 2 0 . 0 c

F l o w T L i m i t s

M i n : 1 c M a x : 9 9 c

C o n t r o l : V A L V E

T i m e : 6 3 0 s e c

S t a r t I n e r t i a

M A N U A L 1 . 0 0 h / c

O p t S t a r t N o r m a l

M a x D u r a t : 2 . 0 0 h

–

C h o i c e M e n u + / –

S E T H E A T I N G 1

23.

C h o i c e M e n u + / –

C O N F I G D S E 6 0 2

25.

C h o i c e M e n u + / –

T E S T I N G

26.

A d d r e s s : – – –

G r o u p : –

S e n d A l a r m s : N O

P a s s W T e l e m a n : N O

H t g 1 S p e c i a l P

2 4 H O U R 1

H t g 2 S p e c i a l P

2 4 H O U R 1

H t g 2 S p e c i a l P

F r – – . – – to – – . – –

X S E 6 0 2 E n g .

V e r s . x x

H t g 1 S p e c i a l P

F r – – . – – to – – . – –

–

+ D e s i g n O u t s i d e

T e m p : – 5 . 0 c

C h o i c e M e n u + / –

S E T H E A T I N G 2

24.

–

T E C H N I C A L P A G E S

P R E S S + K E Y

E n a b l e R e m o t e

N O

D e s i r e d T e m p

S E T B A C K 1 1 6 . 0 c

D e s i r e d T e m p

S E T B A C K 2 1 4 . 0 c

D e s i r e d T e m p

F R O S T P R O T 6 . 0 c

D e s i r e d T e m p

F L O W 1 2 0 . 0 c

D e s i r e d T e m p

F L O W 2 3 0 . 0 c

R e m o t e E x t 2 1 . 0 c

f o r h o u r s 3

A n t i c o n d e n s : N O

D e s i r e d T : 5 0 . 0 c

E c o O f f

H t g 1 : N O H t g 2 : N O

O p t i m i s H t g 1

O n : N O O f f : N O

O p t i m i s H t g 2

O n : N O O f f : N O

S u m m e r P l a n t

E x e r c i s e : N O

H o l i d a y P r o g H t g 2

F R O S T P R O T 6 . 0 c

H o l 0 1 H t g : N O

F r – – . – – to – – . – –

H e a t i n g S e a s o n

F r 1 5 . 1 0 to 1 5 . 0 4

S u m me r T i m e A U T

F r 2 9 . 0 3 to 1 5 . 0 4

H o l i d a y P r o g H t g 1

F R O S T P R O T 6 . 0 c

D e s A m b T : 2 0 . 0 c

A c t A m b T : 2 0 . 0 c

D e s F l o w T : 8 0 . 0 c

A c t F l o w T : 8 0 . 0 c

D e s F l o w T : 8 0 . 0 c

A c t F l o w T : 8 0 . 0 c

O u t s i d e T e m p

A c t u a l : – 2 . 0 c

D e s A m b T : 2 0 . 0 c

A c t A m b T : 2 0 . 0 c

D e s A n t i c T : 5 0 . 0 c

A c t A n t i c T : 5 8 . 0 c

C h o i c e M e n u + / –

M E A S & C O U N T & C ALC

22.

–

D e g r e e - D a y s

2 0 : 0 0 0 0 A m b : 0 0 0 0

D e g r e e - D a y s

2 0 : 0 0 0 0 A m b : 0 0 0 0

O p t S t a r t H o l i d a y

M a x D u r a t : 1 0 . 0 0 h

O p t i m u m S t a r t

B o o s t i n g : 3 . 0 c

O p t i m u m S t o p

D e c r e a s e T A : 0 . 5 c

C o o l i n g T i m e

C o n s t a n t : 4 8 h r s

O p t i m u m S t o p

M a x D u r a t : 1 . 0 0 h

H e a t i n g P u m p : A U T

D e l a y O f f : 3 0 m i n

T E C H N I C A L P A G E S

P R E S S + K E Y

H e a t E m i t t e r s

R A D I A T O R S

D e s ig n F l o w

T e m p : 7 0 . 0 c

C u r v e O r i g i n T 0 2 0

F l o w T : 2 0 . 0 c

F l o w T L i m i t s

M i n : 1 c M a x : 9 9 c

C o n t r o l : V A L V E

T i m e : 6 3 0 s e c

S t a r t I n e r t i a

M A N U A L 1 . 0 0 h / c

O p t S t a r t N o r m a l

M a x D u r a t : 2 . 0 0 h

+ D e s i g n O u t s i d e

T e m p : – 5 . 0 c

O p t S t a r t H o l i d a y

M a x D u r a t : 1 0 . 0 0 h

O p t i m u m S t a r t

B o o s t i n g : 3 . 0 c

O p t i m u m S t o p

D e c r e a s e T A : 0 . 5 c

C o o l i n g T i m e

C o n s t a n t : 4 8 o r e

O p t i m u m S t o p

M a x D u r a t : 1 . 0 0 h

H e a t i n g P u m p : A U T

D e l a y O f f : 3 0 m i n

F u n c t i o n a l A l a r m s

– – – – – – – 8

K A l a r m s

– – –

D e t e ct o r A l a r m s

1 2 3 4 5 6 – 8

18. SEQUENCE OF DISPLAY PAGES (the data and the functions are those in memory at time of delivery)

N a m e H t g P l a n t 2

– – – – – – – – – –

N a m e H t g P l a n t 2

– – – – – – – – – –

A m b i e n t A u t h o r i t y

P O S I T I V E : + - - - - c

A m b i e n t A u t h o r i t y

N E G A T I V E : – - - - - c

C B U S s p e e d

1 2 0 0 b p s

A m b i e n t A u t h o r i t y

P O S I T I V E : + - - - - c

A m b i e n t A u t h o r i t y

N E G A T I V E : – - - - - c

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

O p t i m i s H t g 1

O n : N O O f f : N O

20.14 Functions of Optimum Start and Optimum Stop

heating zone 1 : NO ; YES.

13.3

O p t i m i s H t g 2

O n : N O O f f : N O

20.15 Functions of Optimum Start and Optimum Stop

heating zone 2 : NO ; YES.

13.3

R e m o t e E x t 2 1 . 0 c

f o r h o u r s 3 Desired temp. during EXTENSION period.

Duration of EXTENSION period.

14.5

To activate EXTENSION period close switch c1

or c2 for at least 5 seconds and then open it (see

wiring diagram).

To disactivate EXTENSION period keep pressed at

the same time for several seconds ← and →keys.

20.11

D e s i r e d T e m p

FLOW 1 2 0 . 0 c

20.9

20.10

Value of desired ambient temp. FLOW 1 - 2

to be used in 24-hour programmes in 21.2.

12.4

19. NORMAL USE

Ref. Display Description Notes Sect.

19.1Name heating zone 1.

Current time and day

Set in 23.16

Set in 19.6

H t g 1 : - - - - - - - - - -

1 2 . 1 8 MO N D A Y

H t g 1 : - - - - - - - - - -

2 4 H O U R 1

19.2Choice programme for heating zone 1:

7DAY 1-2 ; 24HOUR 1 ...25 ;

NORMAL 1... 5 ; SETBACK 1...2 ; FROSTPROT ;

FLOW 1-2 ; OFF.

Instead of programme may appear :

REMOTE NORMAL 1; REMOTE SETBACK; REMOTE

+ 2c; REMOTE FROSTPROT; REMOTE OFF; SUM-

MER; HOLIDAY; SPECIAL; REMOTE EXTENSION

12.9

X SE 6 0 2 E n g.

V e r s . x x

19.11 Identifying data of controller

1 2 . 1 8 M O N D A Y

1 0 . 0 2 . 9 6 G M T

19.6Setting : Time, Day of week and Date.

Current time period : BST or GMT Dates summer time set in 21.21.

M o d e 1 : N O R M A L

T d 2 1 . 0 c V a r + 0 . 0 c

19.4Mode in use heating zone 1

Td : Mode desired temperature

Var : Variation of desired temp. (max ± 3 °C)

Modes in use : NORMAL ; SETBACK; BOOSTING ;

OPTIMSTOP ; FROSTPROT ; FLOW ; OFF ; EXTEN-

SION ; ECO OFF.

12.10

20. TEMPERATURES & CONTROLS

Ref. Display Description Notes Sect.

D e s i r e d T e m p

N O R M AL 1 2 0 . 0 c

20.1

20.5

Value of desired ambient temp. NORMAL 1 ... 5

to be used in 24-hour programmes in 21.2.

12.4

H t g 2 : - - - - - - - - - -

2 4 H O U R 1

19.3Choice programme for heating zone 2 :

7DAY 1-2 ; 24HOUR 1 ...25 ;

NORMAL 1... 5 ; SETBACK 1...2 ; FROSTPROT ;

FLOW 1-2 ; OFF.

Instead of programme may appear : REMOTE NOR-

MAL 2; REMOTE SETBACK; REMOTE + 2c; REMO-

TE FROSTPROT; REMOTE OFF; SUMMER;HOLIDAY;

SPECIAL; REMOTE EXTENSION

12.9

M o d e 2 : N O R M A L

T d 2 1 . 0 c V a r + 0 . 0 c

19.5Mode in use heating zone 2.

Td: Mode desired temperature.

Var : Variation of desired temp. (max ± 3 °C)

Modes in use : NORMAL ; SETBACK; BOOSTING ;

OPTIMSTOP ; FROSTPROT ; FLOW ; OFF ; EXTEN-

SION ; ECO OFF.

12.10

D e s i r e d T e m p

S E T B A C K 1 1 6 . 0 c

20.6

20.7

Value of desired ambient temp. SETBACK 1-2

to be used in 24-hour programmes in 21.2.

12.4

D e s i r e d T e m p

F R O S T P R O T 6 . 0 c

20.8Value of desired ambient temp. FROSTPROT

to be used in 24-hour programmes in 21.2.

12.4

A n t i c o n d e n s : N O

D e s i r e d T : 5 0 . 0 c

20.12 Enabling of anticondensing function : NO ; YES.

Setting value anticondensing temperature.

15.1

NO: function excluded

YES: When return to boiler temp. (B4) < desired an-

ticondensing temp. controller closes heating

valve with modulating control action.

E c o O f f

H t g 1 : N O H t g 2 : N O

20.13 Eco Off: NO; YES. In Normal or Setback modes with

• Desired flow temp. - measured or calculated temp.

≤ 2 °C = ECO OFF On, valve closed & heating

pump Off.

• Tfd – Ta meas. or calc. ≥ 4 °C = ECO OFF Off

12.8

H t g 1 S p e c i a l P

2 4 H O U R 1

19.7Choice programme special period heating zone 1 :

7DAY 1-2 ; 24HOUR 1 ...25 ;

NORMAL 1 ... 5 ; SETBACK 1-2 ; FROSTPROT;

FLOW 1-2 ; OFF.

14.4

H t g 2 : S p e c i a l P

2 4 H O U R 1

19.9Choice programme special period heating zone 2 :

7DAY 1-2 ; 24HOUR 1 ... 25 ;

NORMAL 1 ... 5 ; SETBACK 1-2 ; FROSTPROT;

FLOW 1-2 ; OFF.

14.4

H t g 1 : S p e c i a l P

F r - - . - - t o - - . - -

19.8Dates of start and end special period heating

zone 1

14.4

H t g 2 : S p e c i a l P

F r - - . - - t o - - . - -

19.10 Dates of start and end special period heating

zone 2

14.4

S u m m e r P l a n t

E x e r c i s e : N O

20.16 Function of summer plant exercise: NO; YES. During summer period, to prevent lockouts, control-

ler switches on periodically valves & pumps.

15.2

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

7 d a y 1 M O N D A Y

2 4 H O U R 1

7 d a y 1 S U N D A Y

2 4 H O U R 1

21.9

⇓

21.15

Choice of programme for each day of week :

24 HOUR 1…25 ; NORMAL 1...5;

SETBACK 1 - 2; FROSTPROT ; FLOW 1 - 2; OFF.

14.2

H e a t i n g S e a s o n

F r 1 5 . 1 0 t o 1 5 . 0 4

21.20 Dates of start and end of heating season. 14.6

H o w m a n y 2 4 h o u r

P r o g r a m m e s ? 1

21.1Choice of number of 24-hour programmes

to be used (1…25).

Avoids scrolling unnecessary pages 14.1

21.8Choice of number of 7-day programmes to

be used (1- 2 ).

Avoids scrolling unnecessary pages 14.2

H o w m a n y 7 d a y

P r o g r a m m e s ? 0

21. EVENTS & PERIODS

Rif. Display Description Notes Sect.

21.16 Choice of number of holiday periods to be used

(0...25)

Avoids scrolling unnecessary pages 14.2

H o w m a n y H o li d a y

P e r i o d s ? 0

H o l i d a y P r o g H t g 1

F R O S T P R O T 6 . 0 c

21.17 Choice of programme for all the holiday periods

heating zone1:

7DAY1-2; 24HOUR1…25;

NORMAL 1 ... 5; SETBACK 1-2; FROSTPROT;

FLOW 1 - 2; OFF.

Appears only if in 21.16 number is greater than 0 14.3

H o l i d a y P r o g H t g 2

F R O S T P R O T 6 . 0 c

21.18 Choice of programme for all the holiday periods

heating zone 2:

7DAY1-2; 24HOUR1…25;

NORMAL 1...5; SETBACK 1-2; FROSTPROT; FLOW1

- 2; OFF.

Appears only if in 21.16 number is greater than 0 14.3

H o l 0 1 H t g : N O

F r - - . - - t o - - . - -

21.19 NO = period not used

1 = period used by heating zone 1

2 = period used by heating zone 2

1+2 = period used by heating zones 1 & 2

Dates of start and end of holiday period.

Further pages according choice in 21.16.

14.3

Appears only if in 21.16 number is greater than 0

D e s A n t i c T : 6 0 . 0 c

A c t A n t i c T : 5 8 . 0 c

22.6Desired anticondensing temp.

Temp. measured by anticondensing detector B4.

15.5

O u t s i d e T e m p

A c t u a l : – 2 . 0 c

22.5Actual outside temp. measured by B2 or coming

via C- Ring .

15.5

If outside detector B2 not connected & value comes

via C- Ring , Actual is replaced by C-Ring

D e s A m b T : 2 0 . 0 c

A c t A m b T : 2 0 . 5 c

22.1Ambient T desired by mode in use - heating zone 1

Temp. measured by ambient detector B3.

15.5

Valve and pump LEDs of heating zone 1 blink

D e s A m b T : 2 0 . 0 c

A c t A m b T : 2 0 . 5 c

22.2Ambient T desired by mode in use - heating zone 2

Temp. measured by ambient detector B6.

15.5

Valve and pump LEDs of heating zone 2 blink

D e s F l o w T : 8 0 . 0 c

A c t F l o w T : 8 0 . 0 c

22.3Flow temp. desired by mode in use - heating zone 1

Temp. measured by flow detector B1

15.5

Valve and pump LEDs of heating zone 1 blink

D e s F l o w T : 8 0 . 0 c

A c t F l o w T : 8 0 . 0 c

22.4Flow temp. desired by mode in use - heating zone 2

Temp. measured by flow detector B5

15.5

Valve and pump LEDs of heating zone 2 blink

S u m me r T i m e A U T

F r 2 9 . 0 3 t o 2 6 . 1 0

21.21 Dates of start and end of summer time period. 14.6

22. MEAS&COUNT&CALC

Ref. Display Description Notes Sect.

D e g r e e - D a y s

2 0 : 0 0 0 0 A m b : 0 0 0 0

22.720: referred to fixed ambient temp. of 20 °C

Amb: referred to actual ambient temp. heat. zone 1

12.13

Valve and pump LEDs of heating zone 1 blink

D e g r e e - D a y s

2 0 : 0 0 0 0 A m b : 0 0 0 0

22.820: referred to fixed ambient temp. of 20 °C

Amb: referred to actual ambient temp. heat. zone 2

12.13

Valve and pump LEDs of heating zone 2 blink

P 1 E v e n t 1 0 6 . 0 0

N O R M A L 3 2 1 . 0 c

P 1 E v e n t 6 2 2 . 0 0

S E T B A C K 1 1 6 . 0 c

21.2

⇓

21.7

Number of programme, number of event & start

time of period in programme.

Choice of type of mode to assign to period :

NORMAL 1...5 ; SETBACK 1 - 2 ; FROSTPROT;

FLOW 1 - 2; OFF. Further groups of 6 pages ac-

cording choice in 21.1

Max. 6 periods. To eliminate unused period

press + and – together: - - . - - appears.

The events must be in increasing order. Do

not leave - - . - - between programmed events.

14.1

B 268 - XSE 602 C1 Eng. 22.11.10 AM REV. 02

We reserve the right to make changes witout notice

COSTER

23. SETTING HEATING ZONE 1

Ref. Display Description Notes Sect.

C o n t r o l : V A L V E

T i m e : 6 3 0 s e c

23.6Actuator run time 12.6

Valve and pump LEDs of heating zone 1 blink

N a m e H t g P l a n t 1

- - - - - - - - - -

23.16 Entering name heating zone 1 15.4

Use + and – to enter letters or numbers

Use ← or → to position cursor

H e a t i n g P u m p : A U T

D e l a y O f f : 3 0 m i n

23.15 Control plant pump : MAN ; AUT

Delay switching off pump

12.12

Valve and pump LEDs of heating zone 1 blink

MAN: always On;

AUT: On with times of current programme.

H e a t E m i t t e r s

R A D I A T O R S

23.1Choice type heat emittters : RADIATORS ; PANELS;

FAN COILS.

12.1

Valve and pump LEDs of heating zone 1 blink

D e s i g n O u t s i d e

T e m p : – 5 . 0 c

23.2Design outside temp. for compensated control.

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