Viessmann VITOSOL-F Operating instructions

VIESMANN

Service instructions

for contractors

Vitosol-F

For applicability, see the last page

VITOSOL-F

5692 741 GB 6/2008 Please keep safe.

Please follow these safety instructions closely to prevent accidents and

material losses.

Safety instructions explained

Danger

This symbol warns against the

risk of injury.

!Please note

This symbol warns against the

risk of material losses and

environmental pollution.

Note

Details identified by the word "Note"

contain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

&Work on gas equipment must only

be carried out by a qualified gas fit-

ter.

&Work on electrical equipment must

only be carried out by a qualified

electrician.

&The system must be commissioned

by the system installer or a qualified

person authorised by the installer.

Regulations

Observe the following when working

on this system

&all legal instructions regarding the

prevention of accidents,

&all legal instructions regarding

environmental protection,

&theCodeofPracticeofrelevant

trade associations,

&all current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards.

If you smell gas

Danger

Escaping gas can lead to

explosions which may result in

serious injury.

&Never smoke. Prevent naked

flames and sparks. Never

switch lights or electrical

appliances ON or OFF.

&Close the gas shut-off valve.

&Open windows and doors.

&Remove all people from the

danger zone.

&Notify your gas or electricity

supplier from outside the

building.

&Shut off the electricity supply

to the building from a safe

place (outside the building).

If you smell flue gas

Danger

Flue gas can lead to life-threa-

tening poisoning.

&Shut down the heating sys-

tem.

&Ventilate the boiler room.

&Closealldoorsleadingtothe

living space.

Safety instructions

5692 741 GB

Workingonthesystem

&When using gas as fuel, also close

the main gas shut-off valve and

safeguard against unauthorised

reopening.

&Isolate the system from the power

supply and check that it is no longer

'live', e.g. by removing a separate

fuse or by means of a main isolator.

&Safeguard the system against

unauthorised reconnection.

!Please note

Electronic modules can be

damaged by electro-static dis-

charges.

Touch earthed objects, such as

heating or water pipes, to dis-

charge static loads.

Repair work

!Please note

Repairing components which

fulfil a safety function can com-

promise the safe operation of

your heating system.

Replace faulty components

only with original Viessmann

spare parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts which

have not been tested together

with the heating system can

compromise its function. Instal-

ling non-authorised compo-

nents and non-approved

modifications/conversion can

compromise safety and may

invalidate our warranty.

For replacements, use only ori-

ginal spare parts from

Viessmann or those which are

approved by Viessmann.

Safety instructions (cont.)

Safety instructions

5692 741 GB

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance................................... 5

Further details regarding the individual steps .............................................. 6

Parts lists

Parts list Vitosol 200-F, 300-F ..................................................................... 12

Specification

Vitosol 200-F, 300-F.................................................................................... 14

Solar-Divicon (accessory)........................................................................... 14

Heat transfer medium (accessory)............................................................... 14

Certificates

Declaration of conformity ............................................................................ 15

Index

5692 741 GB

For further information regarding the individual steps, see the page indicated

Commissioning steps

Inspection steps

Maintenance steps Page

!!!



•1. Cleaning, testing for leaks and filling the solar

heating system....................................................................... 6

•2. Shutting down the system ................................................. 7

•3. Cleaning collectors

•• 4. Checking gaskets and seals

•• 5. Checking the thermal insulation of the pipes ............ 7

••• 6. Checking the function of the safety equipment

••• 7. Checking the expansion vessel and the system

pressure ................................................................................... 8

••8. Ventilating the solar heating system ............................. 9

••• 9. Checking the electrical connections............................. 10

•• 10. Checking the frost protection temperature and the

pH value of the heat transfer medium ........................... 10

••11. Starting the heating system .............................................. 10

••• 12. Checking the switching function of the solar

control unit .............................................................................. 11

•• 13. Check circulation pumps

••• 14. Checking the flow rate

Steps - commissioning, inspection and maintenance

Commissioning, inspection, maintenance

5692 741 GB

Cleaning, testing for leaks and filling the solar heating sys-

tem

&Never drain the system with a

vacuum pump.

&Check the system for leaks:

The collector in its cold state must

be subject to a positive pressure of

at least 1.0 bar. At a static head of

10 m, this would result in a system

pressure of 2.0 bar.

1. Do not remove the cover foil from

the solar glass for filling the sys-

tem.

Open any installed shut-off gates

or valves by hand. Open the non-

return valves when using a Solar-

Divicon:

Flow/return: 45° - thermometer

turned clockwise.

2. Close the shut-off valve of the fill

valve and open the drain valve.

3. Flush the system via the return

connections. Fill and flush the sys-

tem with heat transfer medium via

the fill valve.

Flushusingahigh-speedpump

over an open container and con-

tinue until no air remains in the col-

lector system. Correct

commissioning can only be guaran-

teed with a system that is comple-

tely free of air. Now close the drain

valves on the fill valve, open the

shut-off valve and check the sys-

tem for leaks. Observe the permis-

sible operating pressure.

Pressure must not drop for at least

half an hour.

Further details regarding the individual steps

Commissioning, inspection, maintenance

5692 741 GB

Information

&Heat transfer media containing gly-

col can be damaged, if they are sub-

jected for long periods to

temperatures above 170 °C (stag-

nation).

Temperatures in excess of 200 °C

result in a slow thermal breakdown

of the 1.2 propylene glycol that can

be recognised by the darkening of

the heat transfer medium.

Furthermore, it can result in the

solar circuit suffering from sludge

and hard deposits, particularly in

conjunction with other contaminants

(cinder, swarf) and air.

&Ensure that the system is properly

cleaned, filled and ventilated after

installation.

&After filling the system with the heat

transfer medium, ensure that the

system is properly vented and that

heat is transferred inside the sys-

tem, i.e. that longer periods of stag-

nation are prevented.

&Blow-off and drain lines must termi-

nate in an open container, that is

capable of collecting the total capa-

city of the collector.

Shutting down the system

!Please note

To prevent equipment damage, cover the collectors before any work on

the components of the solar heating system begins.

Mixing the heat transfer medium with water reduces the frost and corro-

sion protection. Only flush the system with the specified heat transfer

medium. Never mix Tyfocor LS with other heat transfer media.

Electrically isolate the system (e.g. at

a separate MCB/fuse or the main iso-

lator) and safeguard against

unauthorised reconnection.

Checking the thermal insulation of the pipes

Check the thermal insulation of the

pipework for damage and tight fit.

Replace all faulty parts.

Further details regarding the individual steps (cont.)

Commissioning, inspection, maintenance

5692 741 GB

Note

The thermal insulation of external

pipes must be resistant to tempera-

ture and UV rays. The insulation must

be protected against attack from small

animals and birds (e.g. metal sheath),

Checking the expansion vessel and the system pressure

1. Drain the system. For this, close

the cap valve on the expansion

vessel (if installed) and reduce the

pressure.

2. If the pre-charge pressure of the

expansion vessel is lower than the

set value, top up with nitrogen until

the pre-charge pressure equals the

set value.

Static head (top edge of collector to

expansion vessel): ........... m

Set pre-charge pressure of the

expansion vessel:

0.7 bar + 0.1 x static head in m

0.7 bar + 0.1 x ......... m = ........ bar

3. Top-up heat transfer medium until

the system pressure is 0.3 to

0.5 bar higher than the set pre-

charge pressure of the expansion

vessel (create a safety water seal

in the expansion vessel).

The safety water seal should be

0.005 x liquid content of the com-

plete system, but no less than

3 litres.

Liquid content of the system = con-

tent of pipes + content of collectors

+ content of the indirect coil of the

DHW cylinder and safety water

seal for the expansion vessel.

Further details regarding the individual steps (cont.)

Commissioning, inspection, maintenance

5692 741 GB

Ventilating the solar heating system

1. Open the air vent valve.

Vent the circulation pumps. For

this, adjust the circulation pumps to

their maximum speed switching the

pump ON and OFF several times (a

ventilated pump runs almost

silently) through a relay test

(manual operation).

Repeat the ventilation process

until the float in the flow meter of

the Solar-Divicon holds a constant

position when the pump is running

(highest pump rate).

Note

Air can be recognised in the flow

rate indicator (float moves).

2. Set required flow rate above output

rate of the circulation pump (see

following tables for approximate set

values).

Read the value on the underside of

the float.

3. Repeat the ventilation process

after the system has been opera-

tional for several days.

Note

If the system pressure drops, top-

up the heat transfer medium in the

cold state and ventilate again.

4. Always shut-off the air vent valve

after ventilation.

Adjustable flow rates

Vitosol 200-F, type 5DI

Throughput 3 to 4 l/min

Vitosol 200-F, 300-F

Thedetailsinthefollowingtabledonottakethepipepressuredropinto

account.

Further details regarding the individual steps (cont.)

Commissioning, inspection, maintenance

5692 741 GB

High-flow operation, 40 l/(h·m

)

Number of col-

lectors

Flow rate in l/min

34.5

57.5

69.5

710.5

812.5

914

10 15.5

11 17

12 18.5

13 20

14 21.5

15 23.5

Low-flow operation, 15 l/(h·m

)

Number of col-

lectors

Flow rate in l/min

63.5

84.5

10 5.5

11 6.5

12 7

13 7.5

14 8

15 8.5

16 9

18 10.5

20 11.5

Checking the electrical connections

Check the tightness of the electrical

plug-in connectors and cable grom-

mets; check cables for damage.

Checking the frost protection temperature and the pH value

of the heat transfer medium

Check the frost protection tempera-

ture of the "Tyfocor LS " heat transfer

medium with a Viessmann antifreeze

tester or the manual refractometer in

the solar service case (accessory).

Check the pH value with a pH strip in

the solar service case (accessory)

(see page 14).

Solar service case operating

instructions

Starting the heating system

Observe operating instructions of

installed components.

Further details regarding the individual steps (cont.)

Commissioning, inspection, maintenance

5692 741 GB

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