Viessmann VITOSOLIC 100 Guida rapida

Installation and service

instructions

for contractors

VIESMANN

Vitosolic 100

Type SD1

Electronic temperature differential control unit

for Vitocell 100-U, type CVUA

For applicability, see the last page

VITOSOLIC 100

5774 010 GB 2/2010 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

5774 010 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.)

5774 010 GB

Installation instructions

Preparing for installation

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

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

Installation sequence

Mounting the solar control unit (when replacing).................................................. 11

Overview of electrical connections....................................................................... 12

Solar circuit pump................................................................................................. 12

Pump/valve at output R2...................................................................................... 14

High limit safety cut-out........................................................................................ 15

Collector temperature sensor............................................................................... 16

Cylinder temperature sensor................................................................................ 17

Temperature sensor............................................................................................. 17

Power supply........................................................................................................ 19

Service instructions

Commissioning

Switching the power ON....................................................................................... 20

Navigation through the menu............................................................................... 20

Selecting the system scheme............................................................................... 22

Setting system parameters................................................................................... 22

Resetting system parameters............................................................................... 22

Carrying out a relay test....................................................................................... 22

Service scans

Calling up temperatures and operating conditions............................................... 24

Troubleshooting

Fault messages.................................................................................................... 25

Checking sensors................................................................................................. 25

Changing the fuse................................................................................................ 26

Function description

Parameter overview............................................................................................. 27

System scheme.................................................................................................... 30

Collector limit temperature................................................................................... 35

Collector cooling function..................................................................................... 36

Minimum collector temperature limit..................................................................... 36

Frost protection function....................................................................................... 37

Reverse cooling function...................................................................................... 37

Interval function.................................................................................................... 37

Index

5774 010 GB

Heat statement..................................................................................................... 38

Speed control....................................................................................................... 38

Parts list.............................................................................................................. 40

Specification....................................................................................................... 41

Appendix............................................................................................................. 42

Certificates

Declaration of conformity...................................................................................... 43

Keyword index.................................................................................................... 44

Index

Index (cont.)

5774 010 GB

Danger

Subject to system configuration,

DHW temperatures above 60 °C

can occur. DHW at temperatures

above 60 ºC causes scalding.

To limit the temperature to 60 ºC,

install mixing equipment, e.g. a

thermostatically controlled mix-

ing valve (accessories). Install a

mixer tap as anti-scalding device

at the draw-off point.

System example

DHW heating with dual mode DHW cylinder

Main components

■ Viessmann solar collectors

■ DHW cylinder Vitocell 100-U, type

CVUA

■ Vitosolic 100, type SD1

■ Solar-Divicon (integrated into Vitocell

100-U, type CVUA)

■ Wall mounted or floorstanding oil/gas

boiler

Function description

DHW heating with solar energy

If the temperature differential between

collector temperature sensor S1 eQ and

cylinder temperature sensor S2 qQ is

greater than the start temperature differ-

ential DT E, solar circuit pump R1 eE

starts and DHW cylinder qP is heated.

Solar circuit pump R1 eE stops in

accordance with the following criteria:

■ The actual temperature falls below the

stop temperature differential DT A

■ The electronic temperature limit (up to

90 °C) set in control unit eZ is excee-

ded

■ The temperature selected at high limit

safety cut-out qW (if installed) is

reached

Additional 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 specifies a third set DHW tempera-

ture (setting range 10 to 95 ºC). This

value must be below the first set DHW

temperature. DHW cylinder qP is only

heated by boiler 1 (solar circuit

pump R1 eE runs) if this set value cannot

be achieved by the solar thermal sys-

tem.

Preparing for installation

Installation information

5774 010 GB

DHW heating without solar energy

The top section of DHW cylinder qP is

heated by boiler 1. The cylinder tem-

perature controller with cylinder temper-

ature sensor 3 of boiler control unit

2 regulates cylinder heating 4.

Required settings on the solar control unit

Pa-

rame-

ter

Delivered

condition

Description Setting

ANL 1 Without auxiliary function for DHW heating 1

With auxiliary function for DHW heating (see

page 33)

DT E 8 °C Start temperature differential for solar circuit pump

at R1

DT A 4 °C Stop temperature differential for solar circuit pump

at R1

S SL 60 °C Set cylinder temperature (see page 31)

For further functions, see chapter "Function description" from page 27.

Note

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

than "DT A" and up to 0.5 K lower than

"DT S" (see page 29).

"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 38).

Preparing for installation

System example (cont.)

5774 010 GB

Installation

Hydraulic installation scheme ID: 4605119_1001_01

S2S1

R1R2

KM BUS

230 V/50 Hz

Preparing for installation

System example (cont.)

5774 010 GB

Equipment required

ID: 4605119_1001_01

Pos. Description

1Floorstanding or wall mounted oil/gas boiler

with

2Boiler and heating circuit control unit

3Cylinder temperature sensor

4Circulation pump for cylinder heating

(integral in wall mounted oil/gas boilers)

qP Vitocell 100-U, type CVUA

qQ Cylinder temperature sensor S2

qW High limit safety cut-out (accessories)

qE DHW circulation pump (on site)

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

oil/gas boiler)

qR Thermostatic mixing valve (accessories)

qT Circulation pump R2 (transfer) (on site)

eP Solar collectors

eQ Collector temperature sensor S1

eW Solar-Divicon (integrated into Vitocell 100-U, type CVUA)

with

eE Solar circuit pump R1

eZ Vitosolic 100, type SD1 (integrated into Vitocell 100-U, type CVUA)

eU Junction box (on site)

eI ON/OFF switch (on site)

Preparing for installation

System example (cont.)

5774 010 GB

Installation

Electrical installation scheme

230 V/50 Hz

1~ R1

145

SOL

KOL

HLSC

230 V/50 HzLow voltage

1~ qT

KM BUS 2

ID: 4605119_1001_01

AIf the control unit is used in conjunc-

tion with a variable speed solar cir-

cuit pump with PWM control

Preparing for installation

System example (cont.)

5774 010 GB

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