Viessmann VITOSOLIC 200 Guida rapida

VITOSOLIC 200

Installation and

Service instructions

for heating engineers

Vitosolic 200

Electronic temperature differential control unit for solar heating systems

See "Applicability" on the last page.

5862Ă491Ă Băăă9/2003 Please keep safe

eneral information

Safety instructions

Please follow these safety instructions closely to prevent accidents and

material losses.

Safety regulations

Installation, commissioning,

inspection, maintenance and

repairs must only be carried

out by a competent person

(heating engineer/refrigeration

specialist/installation contractor).

Observe all current safety

regulations as defined by DIN,

DINĂEN, DV W and VDE (or local

regulations).

See also the safety instructions sheet

in the Vitotec Technical uide folder.

Before working on the equipment/

heating system/solar heating system,

isolate its mains electrical supply

(e.g. by removing a separate mains

fuse or by means of a mains

electrical isolator) and safeguard

against unauthorised reconnection.

Earthing/lightning protection of the

solar heating system

Install an electrical conductor on the

pipework system of the solar circuit

in the lower part of the building, to

comply with VDE or local regulations.

Connection of the collector system to

a new or existing lightning protection

facility or the provision of local

earthing should only be carried out

by authorised personnel, who must

take into account the conditions

applicable on site.

Repair work

It is not permitted to carry out repairs

on parts that fulfil a safety function.

Use only original Viessmann spare

parts, or equivalent parts that have

been approved by Viessmann.

Commissioning

The initial start-up must be carried

out by the system installer or a

designated commissioning engineer.

All actual values should be recorded

in a commissioning/service report.

Instructing the system user

The system installer must hand the

operating instructions to the system

user and instruct him/her in the

operation of the system.

¨ĂSafety instruction

In this instruction manual, this

heading denotes information which

must be observed to prevent

accidents and material losses.

¨This symbol denotes information

which must be observed to

prevent material losses.

5862Ă491Ă B

Index

In ex

System esigns

eneral notesĂ 5

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

System designs 1 to 7Ă 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation an connections

Control unit installationĂ 51

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

Summary of electrical connectionsĂ 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Actuators (pumps and valves)Ă 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High limit safety cut-outĂ 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Solar cellĂ 55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SensorsĂ 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heat meter extension kitĂ 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

KM BUS connectionĂ 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mains electrical connectionĂ 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Commissioning

Menu structure summaryĂ 61

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

StepsĂ 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Further details regarding individual steps 66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service scans

Scanning temperatures and operating conditionsĂ 69

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

Scanning heat volumeĂ 70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

Fault messagesĂ 71

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

Checking sensorsĂ 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing the fuseĂ 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5862Ă491Ă B

Index

In ex (cont.)

Function escriptions

Summary of additional functionsĂ 73

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

Summary of system parametersĂ 75. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BypassĂ 77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

External heat exchangerĂ 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cooling functionĂ 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special functions of tube collectorsĂ 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Collector cooling functionsĂ 81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Return cooling functionĂ 81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Frost protectionĂ 82. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parallel relayĂ 82. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Suppression of reheating by boilerĂ 82. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder 2 ONĂ 84. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder loadingĂ 85. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Additional DHW heating functionĂ 85. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermostat function, DT control unit and time switchesĂ 87. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts listĂ89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appen ix

SpecificationĂ 89

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

Declaration of conformityĂ 90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Keywor in exĂ91. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ApplicabilityĂ92. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5862Ă491Ă B

System designs

General notes

Over the following pages, the

methods of operation have been

described, and the installation has

been depicted as different schemes.

A summary is provided which lists

essential control equipment.

The temperatures stated are guide

values; other values may be set to

meet particular requirements.

The circulation pumps referred to in

the examples (contained in

Solar-Divicon) are AC pumps.

A itional DHW heating function

According to DV WĂWĂ551/WĂ552,

systems with larger cylinder capacity

than 400Ălitres (incl. the solar

preheating stage) should be

pasteurised daily, i.e. the entire

water content must be heated to

60ĂºC once each day.

To meet this requirement, we

recommend that the system is

heated up, preferably late afternoon,

to ensure that the lower part of the

cylinder or the preheating stage is

cold again following the expected

hot water consumption (in the

evening and the following morning)

and can, therefore, be heated up

again by solar energy.

ĂSafety instructions

With temperatures higher than 60 º,

DHW temperature must be limited to

60 º by installing a mixing device,

e.g. a thermostatic mixing valve

(DHW cylinder accessory). The

mixing equipment does not prevent

the risk of scalding at the tap. The

installation of a mixer tap at the

draw-off point is required.

Abbreviations

KW Cold water

WW Hot water

RL Return

VL Flow

5862Ă491Ă B

System designs

System esign 1

Dual-mo e DHW heating with Vitocell-B 100 or Vitocell-B 300

DHW cylin ers

DHW heating without solar energy

The upper indirect coil of the DHW

cylinder is heated by a boiler. The

cylinder thermostat with cylinder

temperature sensor 6 of the boiler

control unit switches cylinder loading

pump 7.

DHW heating with solar energy

Solar circuit pump 4 is switched

ON and the DHW cylinder is heated,

if a temperature differential higher

than temperature differential DTon is

measured between collector

temperature sensor 2 and cylinder

temperature sensor 3.

Pump 4 is switched OFF if

Hthe actual temperature falls below

shutdown temperature differential

DToff

Hthe electronic temperature limit

(safety shutdown at 90 ºC) set at

the control unit or that set at the

high limit safety cut-out (if

required) is exceeded.

The additional function requirements

(see page 5) are met by circulation

pump 8.

For optional system extensions, see

pages 73 and 74.

5862Ă491Ă B

System designs

System esign 1 (cont.)

Settings

Main menu

Operator code

Set to 200

Main menu

Solar

Options

System

Set to 1 (as delivered condition)

Main menu

Solar

Setting values

Setting values As el.

con ition

Mo ifie

Tcylmax

Maximum cylinder temperature

60 ºC

DTon

Start-up temp. differential, circulation pump 4

5.0 K

DToff

Shutdown temp. differential, circulation pump 4

3.0 K

Tcolemoff 130 ºC*1

*1Set this value to 200 º if you do not want collector emergency OFF set up.

5862Ă491Ă B

System designs

System esign 1 (cont.)

ASolar panel

BSolar-Divicon

CDraw-off points

DDHW circulation

EDHW circulation output of boiler

control unit or on-site time switch

FHeating circuit

GOil/gas fired boiler

HDHW cylinder

KJunction box (on-site)

5862Ă491Ă B

VL RL

S10

S11

S12

CS10

----

Imp1

Imp2

145

R6-A

R6-R

R5-R

R5-A

R7-A

R7-M

R7-R

System designs

System esign 1 (cont.)

Item Description Part no.

Control of DHW cylin er heating by solar energy

1Vitosolic 200 7170Ă926

2Collector temperature sensor Standard

delivery

3Cylinder temperature sensor*1 Standard

delivery

4Solar circuit pump

(part of Solar-Divicon)

7170Ă931

7170Ă932

5High limit safety cut-out*2 (see pageĂ53) Z001Ą889

8Circulation pump (relayering) Vitoset price

list

DHW cylin er heating by boiler

6Cylinder temperature sensor Boiler control

unit standard

delivery*3

7Cylinder loading pump*4 DHW cylinder

accessories

*1Use a threaded elbow (standard delivery for VitocellĆB 100, accessory for Vitocell-B 300).

*2Vitocell-B 100: observe max. connectable absorber surface;

Vitocell-B 300: Use a cylinder cap (DHW cylinder accessory).

*3Accessory for Vitodens, Vitopend, Eurola and Pendola.

*4Standard for Vitodens, Vitopend, Eurola with DHW heating and Pendola.

5862Ă491Ă B

System designs

System esign 2

Dual-mo e DHW heating with Vitocell-B 100 or Vitocell-B 300

DHW cylin ers Ĉ 2 collector arrays with ifferent orientation

DHW heating without solar energy

The upper indirect coil of the DHW

cylinder is heated by a boiler. The

cylinder thermostat with connected

cylinder temperature sensorĂ6 of

the boiler control unit switches

cylinder loading pumpĂ7.

DHW heating with solar energy

Solar circuit pumpĂ4 or qP is

switched ON and the DHW cylinder

is heated, if a temperature

differential higher than temperature

differential DTon is measured

between collector temperature

sensorĂ2 or 9 and cylinder

temperature sensor 3.

PumpsĂ4 or qP are switched OFF if

Hthe actual temperature falls below

shutdown temperature differential

DToff

Hthe electronic temperature limit

(safety shutdown at 90 ºC) set at

the control unit or that set at the

high limit safety cut-out (if

required) is exceeded.

The additional function requirements

(see page 5) are met by circulation

pump 8.

For optional system extensions, see

pages 73 and 74.

5862Ă491Ă B

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