Viessmann VITOSOLIC 100 Guida rapida

Installation and service

instructions

for contractors

VIESMANN

Electronic temperature differential control unit

Vitosolic 100

Type SD1

For applicability, see the last page

VITOSOLIC 100

5369 987 GB 4/2009 Please keep safe.

Please follow these safety instructions closely to prevent accidents and mate-

rial 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 envi-

ronmental pollution.

Note

Details identified by the word "Note" con-

tain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

■ Work on electrical equipment must

only be carried out by a qualified elec-

trician.

■ The system must be commissioned by

the system installer or a qualified per-

son authorised by the installer.

Regulations

Observe the following when working on

this system

■ all legal instructions regarding the pre-

vention of accidents,

■ all legal instructions regarding envi-

ronmental protection,

■ the Code of Practice of relevant trade

associations.

■ all current safety regulations as

defined by DIN, EN, DVGW, VDE and

all locally applicable standards

Working on the system

■ Isolate the system from the power sup-

ply 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 unau-

thorised reconnection.

!Please note

Electronic modules can be dam-

aged by electrostatic dis-

charges.

Touch earthed objects, such as

heating or water pipes, to dis-

charge static loads.

Repair work

!Please note

Repairing components that fulfil a

safety function can compromise

the safe operation of your heating

system.

Replace faulty components only

with original Viessmann spare

parts.

Safety instructions

5369 987 GB

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts that

have not been tested together

with the heating system can com-

promise its function. Installing

non-authorised components and

non-approved modifications or

conversions can compromise

safety and may invalidate our

warranty.

For replacements, use only orig-

inal spare parts supplied or

approved by Viessmann.

Safety instructions

Safety instructions (cont.)

5369 987 GB

Installation instructions

Preparing for installation

Installation information......................................................................................... 6

System example 1................................................................................................ 6

System example 2................................................................................................ 11

System example 3................................................................................................ 18

System example 4................................................................................................ 24

Installation sequence

Fitting the solar control unit.................................................................................. 35

Overview of electrical connections....................................................................... 36

Solar circuit pump................................................................................................. 36

Pump/valve at output R2...................................................................................... 38

High limit safety cut-out........................................................................................ 39

Collector temperature sensor............................................................................... 40

Cylinder temperature sensor................................................................................ 41

Temperature sensor............................................................................................. 41

Power supply........................................................................................................ 42

Service instructions

Commissioning

Switching the power ON....................................................................................... 44

Navigation through the menu............................................................................... 44

Selecting the system scheme............................................................................... 44

Setting system parameters................................................................................... 45

Resetting system parameters............................................................................... 45

Carrying out a relay test....................................................................................... 45

Service scans

Scanning temperatures and operating conditions................................................ 46

Troubleshooting

Fault messages.................................................................................................... 47

Checking sensors................................................................................................. 47

Changing the fuse................................................................................................ 48

Function description

Parameter overview............................................................................................. 49

System scheme.................................................................................................... 51

Collector limit temperature................................................................................... 62

Collector cooling function..................................................................................... 62

Minimum collector temperature limit..................................................................... 62

Index

5369 987 GB

Frost protection function....................................................................................... 63

Reverse cooling function...................................................................................... 63

Interval function.................................................................................................... 63

Heat statement..................................................................................................... 64

Speed control....................................................................................................... 64

Parts list.............................................................................................................. 66

Specification....................................................................................................... 67

Appendix............................................................................................................. 68

Certificates

Declaration of conformity...................................................................................... 69

Keyword index.................................................................................................... 70

Index

Index (cont.)

5369 987 GB

Danger

Subject to system configuration,

DHW temperatures above 60 °C

can occur. DHW with tempera-

tures in excess of 60 °C can result

in scalding.

To limit the temperature to 60 °C,

install mixing equipment, e.g. a

thermostatically controlled mix-

ing valve (accessory). Install a

mixer tap as anti-scalding device

at the draw-off point.

System example 1

DHW heating with dual-mode DHW cylinder

Main components

■ Viessmann solar collectors

■ DHW cylinders Vitocell 100-B or

Vitocell 300-B

■ Vitosolic 100, type SD1

■ Solar-Divicon

■ Wall mounted oil/gas boiler or oil/gas

boiler

Function description

DHW heating with solar energy

Solar circuit pump R1 eE starts and

DHW cylinder qP is heated up if the tem-

perature differential between collector

temperature sensor S1 eQ and cylinder

temperature sensor S2 qQ exceeds the

starting temperature differential DT E.

Solar circuit pump R1 eE is stopped in

accordance with the following criteria:

■ The actual temperature falls below the

shutdown temperature differential

DT A.

■ Exceeding the electronic temperature

limit (max. 90°C) of control unit eZ

■ Reaching the temperature selected at

high limit safety cut-out qW (if installed)

Auxiliary function for DHW heating

The requirements for the auxiliary func-

tion are achieved through circulation

pump R2 qT.

Suppression of DHW cylinder reheat-

ing by the boiler

Coding address "67" in boiler control unit

2 defaults a third set DHW temperature

(setting range 10 to 95 °C). This value

must be below the first set DHW temper-

ature. DHW cylinder qP will only be

heated by boiler 1 (solar circuit

pump R1 eE runs) if this set value cannot

be achieved by the solar thermal sys-

tem.

DHW heating without solar energy

The upper section of DHW cylinder qP is

heated by boiler 1. The cylinder ther-

mostat with cylinder temperature sen-

sor 3 of boiler control unit 2 regulates

cylinder heating.

Preparing for installation

Installation information

5369 987 GB

Required settings on the solar control unit

Param

eters

Delivered

condition

Description Setting

ANL 1 Without auxiliary function for DHW heating 1

With auxiliary function for DHW heating (see

page 56)

DT E 8 K Start temperature differential for solar circuit pump

at R1

DT A 4 K Stop temperature differential for solar circuit pump

at R1

S SL 60 °C Set cylinder temperature (see page 53)

For further functions, see chapter "Functions" from page 49.

Note

"DT E" can be set at least 0.5 K higher

than "DT A".

"DT A" can be set up to 0.5 K below

"DT E".

Information regarding speed control

of the solar circuit pump

Observe chapter "Speed control" (see

page 64).

Preparing for installation

System example 1 (cont.)

5369 987 GB

Installation

Hydraulic installation diagram

Preparing for installation

System example 1 (cont.)

5369 987 GB

Equipment required

Pos. Description

1Oil/gas boiler or wall mounted oil/gas boiler

with

2Boiler and heating circuit control unit

3Cylinder temperature sensor

4Circulation pump for cylinder heating

(integrated for wall mounted oil/gas boiler)

qP Dual-mode DHW cylinder

qQ Cylinder temperature sensor S2

qW High limit safety cut-out (accessory)

qE DHW circulation pump (on site)

(internal/external extension may be required for connecting a wall mounted

oil/gas boiler)

qR Thermostatic mixing valve (accessory)

qT Circulation pump R2 (anti-stratification) (on site)

eP Solar collectors

eQ Collector temperature sensor S1

eW Solar-Divicon (accessory)

with

eE Solar circuit pump R1

eZ Vitosolic 100, type SD1

eU Junction box (on site)

eI ON/OFF switch (on site)

Preparing for installation

System example 1 (cont.)

5369 987 GB

Installation

Electrical installation diagram

230 V / 50 Hz

1~ R1

145

SOL

KOL

High limit safety cut-out

230 V / 50 HzLow voltage

1~ qT

KM BUS 2

Preparing for installation

System example 1 (cont.)

5369 987 GB

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