Viessmann GC1 Mode d’emploi

VITOTRONIC 100, GC1

VITOTRONIC 300-K, MW1S

Operating Instructions

and User’s Information Manual

for use by heating contractor

Vitotronic 100, Model GC1

Digital boiler control unit

Vitotronic 300-K, Model MW1S

Outdoor-reset logic digital cascade control, for installation in Custom Control Panel

Certified as a component part

of Viessmann boilers only

Please file in Service Binder

558 75 v . 0/20 0

Introductory information

For your safety

Please follow these safety instructions closely to avoid the risk of injury to persons and damage to property.

f you smell gas

Don’t smoke! Don’t use naked

flames or cause sparks (e.g. by

switching lights or electrical

appliances on and off)

Open windows and doors

Close the gas shut-off valve

Inform your heating engineers/service

contractors from outside the building

Observe the safety regulations of

your gas supply company (see gas

meter) and those of your heating

engineers (see start-up or instruction

report).

n emergencies

Immediately switch off the power

supply, e.g. at the separate fuse or

power supply disconnect switch

(unless there is a smell of gas).

Close the shut-off valves in the oil

pipes or close the gas shut-off valve,

whichever applicable.

Use suitable extinguishers in the

event of fire.

Work on the equipment

Installation, initial start-up, maintenance

and repairs must be carried out by a

competent person (heating engineer/

service contractor).

Before work is undertaken on the

equipment/heating system, switch off

the power supply voltage (e.g. at the

separate fuse or power supply electrical

isolator switch) and take steps to prevent

it from being switched on again.

Gas-fired systems: Also close the gas

shut-off valve and make secure to

prevent unauthorized use.

nstallation of additional components

The installation of additional

components which have not been

tested together with the boiler can

adversely affect the function and

performance of the boiler.

Our warranty does not cover and we

accept no liability for damage

attributable to the installation of

such components.

Boiler room conditions

Do not use a room in which the

airis polluted by halogenated

hydro-carbons (e.g. as contained

in aerosols, paints, solvents and

cleaning agents)

Do not use a room subject to high

levels of dust

Do not use a room subject to

permanently high humidity

The room should be frost-protected

Max. ambient temperature 35 °C.

Provide good ventilation and do not

close or obstruct vents (if installed).

This symbol indicates a

reference to other

instructions which must

be observed.

This header denotes special

instructions which apply to

the use of the Vitotronic 100,

G 1 in a multi-boiler system.

The main controls

The settings required for operating your heating system are made on the

Vitotronic 00, GC of each boiler and on the Vitotronic 300-K, MW S.

If you system is equipped with remote controls, you can also use the remote

controls for some of the settings

See operating instructions for the remote control

The control unit is behind the hinged cover. The hinged cover is opened by

pulling the top gently downwards towards you.

You must close the hinged cover again after use.

558 75 v .

Multi-

boiler

system

Index

Page

Useful tips ntroductory information

For your safety 2

.....................................................................................................

nstructions in brief Ready for operation

The main controls 2

...............................................................................................

Overview of controls and indicators 4

...........................................................

Vitotronic 00, GC

Vitotronic 300-K, MW S

Selecting the heating circuit - before every setting and scanning

operation (Vitotronic 300-K, MW S) 6

..........................................................

Your heating system is preset... 7

...................................................................

Selecting the heating program (winter, summer) 8

...................................

Changing the room temperature (Vitotronic 300-K, MW S) 0

...........

Reference guide Switching on and off

Starting up the heating system 2

.....................................................................

Shutting down the heating system 2

.............................................................

Settings

Changing the boiler water temperature (Vitotronic 00, GC ) 3

.......

Selecting the time programs (Vitotronic 300-K, MW S)

Setting the energy saving mode for the holiday period

(Vitotronic 300-K, MW S)

Resetting the date and time (Vitotronic 300-K, MW S)

Selecting the language (Vitotronic 300-K, MW S)

Boiler sequence selection control (Vitotronic 300-K, MW S)

Changing the heating pattern (Vitotronic 300-K, MW S)

Scanning

Scanning temperatures and operating status information 26

.................

Vitotronic 00, GC

Vitotronic 300-K, MW S

nformation Troubleshooting guide

Diagnosis and correction 29

.................................................................................

Vitotronic 00, GC 29

......................................................................................

Vitotronic 300-K, MW S 3

.............................................................................

558 75 v .

Ready for operation

Overview of controls and indicators Vitotronic 100, GC1

Manual override

Changing the boiler water temperature(without

function in multi-boiler system)

Changing the domestic hot water

temperature

(without function in multi-boiler system)

Value selector buttons

Information

Confirmation button

Factory settings (see below)

Display window

Heating program selector buttons

wwithout function in multi-boiler system

Adjustable high limit

Manual reset fixed high limit

Power on/off switch

Fuse F , F2

TÜV (for service purposes only)

Operating status indicator (green)

Fault indicator (red)

Factory settings

Press this button to reset all altered

values to their factory settings. Please

note that all altered values are reset

to the factory settings.

Flashing data

Data flashing in the display window

means that new settings can be

entered.

Other display symbols

(These are not displayed continuously,

but appear according to system type

and operating status)

8Digital display of the

corresponding value

°C Unit of measurement for

temperature values

hUnit of measurement for

display of burner hours run

UFault message

rCentral heating ON

rp Displayed when output sÖ is

activated

ABurner ON

wDomestic hot water heating

released

wp DHW pump (circulation pump

for heating the DHW tank) ON

Scan hours run

st stage burner

Scan hours run

2nd stage burner

|||

Scan number of burner starts

558 75 v .

TÜV

Ready for operation

Overview of controls and indicators Vitotronic 300-K

Heating circuit selector buttons

(page 6)

Display window

Normal room temperature (page 9)

Heating programs (page 8)

Energy saving mode (page )

Party mode (page 0)

Hinged cover of programming unit

Time program for central heating

(page 3)

Time program for domestic hot water

heating (page 3)

Other symbols (page 6)

Time program for DHW re-circulation

pump (page 3)

Holiday program (page 9)

Information (page 2 )

Confirmation

Factory settings (page 7)

Setting buttons

Domestic hot water temperature

(page 8)

Reduced room temperature (page 9)

Time/date

Heating curve shift (page 23)

Heating curve slope (page 23)

Hinged cover of propgramming unit

558 75 v .

Boiler sequence

1-23-4

Boiler sequence

1-23-4

Ready for operationReady for operation

Overview of controls and indicators (continued) Vitotronic 300-K, MW1S

Adjustment of the display window

contrast

Open the hinged cover on the

prgramming unit, and press and, at

the same time, adjust the contrast with

the or button.

Factory settings

Press this button to reset all altered

values to their factory settings. Please

note that all altered values are reset to

the factory settings.

Flashing data

Data flashing in the display window

means that new settings can be

entered.

Basic display

The basic display of the Vitotronic

300-K, MW S shows the boiler

sequence. The display reverts to

showing the boiler sequence after

each setting is made on the control

unit.

Other display symbols

(These are not displayed

continuously, but appear according

to system type and operating status)

eRisk of freezing

sCentral heating with normal

room temperature

mCentral heating with reduced

room temperature

wDomestic hot water heating,

DHW pump ON

pHeating circuit pump ON

UFault message

VMixing valve open

vMixing valve closed

Select the heating ciruit - before every setting and scanning operation Vitotronic 300-K, MW1S

On heating systems with only one heating circuit, you can start making all

settings immediately.

On heating systems with two or three heating circuits, the corresponding heating

circuit must be selected before carrying out each setting and scanning operation.

Heating circuit selector button :Heating circuit 1 (system circuit)

Heating circuit selector button :Heating circuit 2 with mixing valve

Heating circuit selector button 3:Heating circuit 3 with mixing valve

The heating circuits are individually labelled by your heating contractor.

Press or or 3; the following

buttons are illuminated:

the heating ciruit selector button

the current heating program

(see page 8)

the party or energy saving mode,

if selected (see page 0)

You can now start making the settings

and adjustments for the selected

heating circuit.

If you have not selected the

required heating circuit before

starting to carry out the settings,

the following instruction appears

in the display window:

“First select button , 2 or 3.”

Please note:

If no further settings are made, the

illumination of the the buttons is

extinguished after a short time.

558 75 v .

Boiler sequence

1-23-4

Boiler temperature

Ready for operation

Your heating system is preset ...

The control units are preset in the factory to a standard operating mode.

The heating system, is therefore ready for operation.

You can change the factory settings to suit your individual preferences.

Vitotronic 100, GC1

Heating Program

The heating program is set for

“Central heating and domestic hot

water”, i.e. heating takes place,

controlled via the Vitotronic 300-K, MW S.

Vitotronic 300-K, MW1S





Date and time (CET)

The date and time are preset in the

factory. Resetting for winter/summer

time takes place automatically.





Heating program

The heating program is set for

“Central heating and domestic hot

water”, i.e. central heating and

domestic hot water heating

(if a DHW tank is installed)

take place, in accordance with

the time programs.





Time program

Between 6.00 and 22.00 hrs, central

heating takes place with the normal

room temperature and, between 5:30

and 22.00 hrs, domestic hot water

heating (if a DHW tank is installed).

558 75 v .

Ready for operation

Selecting the heating program (winter, summer) Vitotronic 300-K, MW1S

Vitotronic 100, GC1

Select the required heating program

with the , or button.

When pressed, the corresponding

button is illumintaed

Central heating and domestic hot water

The boiler is available to the heating

system and is switched on according

to demand and in accordance with

the boiler sequence

Frost protection of the boiler

Domestic hot water only

Without function

The domestic hot water supply

is always controlled via the

Vitotronic 300-K, MW1S

(see below)

Standby operation

The boiler is switched off and is

no longer availble to the Vitotronic

300-K, MW S (i.e. drops out of

the boiler sequence)

Frost protection of the boiler

Vitotronic 300-K, MW1S

.Press the heating circuit slelctor

button; the button is illuminated

2.Select the heating program with

the , or button.

Central heating and domestic hot water

Central heating with alternating

normal and reduced room

temperature (frost protection)

according to the selected time

program.

Domestic hot water supply (if a

DHW cylinder is installed) and DHW

circulation pump (if installed) ON

according to selected time program

Frost protection of the DHW cylinder

Domestic hot water only

No central heating

Domestic hot water supply (if a

DHW cylinder is installed) and DHW

circulation pump (if installed) ON

according to selected time program

Frost protection of the DHW cylinder

Standby operation

No central heating

No DHW supply

Please note:

The circulation pump is switched

on for a short time every 24 hours

to prevent them from seizing up.

The selected heating program

appears in the display window

for a short time.

Example

For the winter transitionary periods.

Please note:

When the button is lit, the “ ”

symbol appears in the display

window during central heating with

the normal room temperature; the

“ ” symbol is illuminated during

central heating with a reduced room

temperature higher than 3 ° / 37 °F

Example

For the summer.

Please note:

DHW cylinder is connected

“without function” is displayed.

Please note:

The circulation pumps are switched

on for a short time every 24 hours

to prevent them from seizing up.

558 75 v .

Ready for operation

Selecting the heating program (winter, summer) Vitotronic 300-K, MW1S

In the ” entral heating and domestic hot water” heating program, central heating

takes place with alternating ”normal room temperature” and ”reduced room

temperature” according to the selected time program.

You can set the required room temperature as follows:

To change the ”normal room temperature” (day temperature)

Normal room temp.

ºC

Factory setting:

20 ºC / 68 ºF from 06:00 to 22:00 hrs.

The ”normal room temperature” can be

set between 3 and 37 ºC /

37 and 99 ºF.

1.Press the heating circuit selector

button; the button is illuminated.

2.Set the required temperature value

with the “ts” selector knob.

The display changes after a short

time and shows the boiler sequence.

To change the ”reduced room temperature” (night temperature)

Reduced room temp.

ºC

Factory setting:

frost protection 3 ºC / 37 ºF from

22.00 to 6.00 hrs.

The “reduced room temperature” can

be set between 4 and 37 ºC / 39 and

99 ºF.

1.Open the hinged cover on the

programming unit.

2.Press the heating circuit selector

button; the button is illuminated.

3. Press ; the previous

temperature setting flashes

in the display window.

4. / Press the / button

until the required

temperature value appears.

5. Confirm by pressing ;

the temperature value

stops flashing and is stored.

The display changes and

shows boiler sequence.

6. Close the hinged cover on the

programming unit.

Please note:

If the temperature value 3 ºC /

37 ºF is selected ,

“frost protection” appears in the

display window.

558 75 v .

Ready for operation

Setting the party mode Vitotronic 300-K, MW1S

Switch on the party mode when you require central heating and domestic hot

water (if a DHW tank is installed) for a short time independently of the preset

heating and time program.

To activate the party mode

Party mode

ºC

1. Open the hinged cover on the

programming unit.

2. Press the heating circuit selector

button; the button is illuminated.

3. Press ; the button is

illuminated, the party mode

display appears in the display

window and the party

temperature value flashes.

4. To change the party temperature:

/ Press the / button until

the required temperature

value appears.

5. Confirm by pressing ;

the temperature value stops

flashing and is stored.

The display changes and

shows the boiler

temperature.

6. Close the hinged cover on the

programming unit.

To cancel the party mode

The party mode is cancelled the

next time the preset heating program

switches automatically to central

heating with the ”normal room

temperature”.

If you want to cancel the party mode

immediately, press the heating circuit

selector button and the button

again; the button is no longer

illuminated.

The light on the button turns off

after approx. 1 minute. The party

mode is still active.

558 75 v .

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