Buderus FM443 Bedienungsanleitung

For the user

Please read carefully

before use

Operating Instructions Function module

FM443

Solar Module

6 720 618 607 - 11/2008 US/CA

Contents

FM443 Solar Module - Technical specifications are subject to change without prior notice.

1Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Standards, regulations and directives . . . . . . . . . . . . . . . . . 4

1.4 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.5 Please observe these notes. . . . . . . . . . . . . . . . . . . . . . . . 5

1.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 Positions of manual switches . . . . . . . . . . . . . . . . . . . . . . 8

2.1.1 Manual switch (solar circuit 1) . . . . . . . . . . . . . . . . . . . . . 8

2.1.2 Manual switch (solar circuit selection) . . . . . . . . . . . . . . . . . 9

3 The functions of the FM443 . . . . . . . . . . . . . . . . . . . . . . . .10

3.1 Changing the operating mode . . . . . . . . . . . . . . . . . . . . . .10

3.2 Querying operating characteristics . . . . . . . . . . . . . . . . . . . 12

4 Correcting faults and troubleshooting . . . . . . . . . . . . . . . .14

FM443 Function Module - Technical specifications are subject to change without prior notice. 3

Safety 1

1Safety

1.1 About this manual

This section contains general safety instructions that you must

observe when operating the FM443 function module.

The other sections of the operating instructions contain additional

safety instructions that must also be observed. Read the safety

instructions carefully before carrying out the activities described

below.

If the safety instructions are not observed, serious or even fatal

personal injury and damage to property and the environment may

be caused.

1.2 Designated use

The FM443 function module can be installed in the controls of the

Logamatic 4000 control system.

FM443 Function Module - Technical specifications are subject to change without prior notice.

Safety1

1.3 Standards, regulations and directives

1.4 Key to symbols

Two levels of danger are identified and signified by the following

terms:

USER NOTE

Observe all regulations and standards applicable to installation

and operation of the system in your country.

USER NOTE

All electrical components must be approved for the USA and

Canada!

This product has been tested and certified and meets

applicable standards for the US and Canadian markets.

WARNING!

RISK OF LIFE

Identifies possible dangers emanating from a product, which could

cause serious injury or death if appropriate care is not taken.

CAUTION!

RISK OF INJURY/SYSTEM DAMAGE

Indicates a potentially dangerous situation that could cause minor

or moderately serious injuries or damage to property.

USER NOTE

Tip for optimum use of equipment and adjustment as well as

useful information.

FM443 Function Module - Technical specifications are subject to change without prior notice. 5

Safety 1

1.5 Please observe these notes

The FM443 function module has been designed and built in

accordance with currently recognized standards and safety

requirements.

However, damage resulting from improper operation cannot be

prevented completely.

Read these operating instructions carefully before operating the

FM443 function module.

1.6 Disposal

zElectronic components do not belong in household waste.

Dispose of defunct modules correctly through an authorized

disposal site.

WARNING!

RISK OF LIFE

due to electric shock!

zEnsure that all electrical work is carried out by a licensed

contractor.

CAUTION!

RISK OF INJURY/SYSTEM DAMAGE

due to operator error!

Operator errors can cause injury and damage to property.

zEnsure that children never operate the appliance

unsupervised or play with it.

zEnsure that only personnel instructed to operate the appliance

correctly have access to it.

FM443 Function Module - Technical specifications are subject to change without prior notice.

Product description2

2 Product description

The FM443 function module has been designed exclusively for use

with the Logamatic 4000 modular control system.

The FM443 function module can be used to control a solar system

with one or two solar consumers (e.g. storage tanks).

The following functions can be used after installation of the FM443

function module:

– Changing solar control operating mode

– Querying operating characteristics of solar consumer "1" or "2",

the heat meter and the collector field

– Scanning the yield over recent days, weeks and years

FM443 Function Module - Technical specifications are subject to change without prior notice. 7

Product description 2

Fig. 1 Front panel of FM443 function module

1Manual switch (solar circuit 1)

2LED "Three-way valve" in case of buffer bypass circuit (central heating

backup via storage tank)

3LED "Three-way valve" in case of buffer bypass circuit (no central

heating backup via storage tank)

4Solar circuit pump 1*

5Maximum temperature storage tank 1

6"Module Fault" LED (red) – general module fault

7Maximum temperature of collector

8Secondary solar circuit pump 2 or transfer pump enabled*

9Solar circuit pump 2 or 3-way valve 2 in solar circuit 2 position*

10 3-way switching valve in solar circuit 1 position

11 Manual switch (solar circuit selection)

* LED constantly ON: Pump running (100 %)

LED "flickers": Pump modulates

LED OFF: Pump OFF

FM443 Function Module - Technical specifications are subject to change without prior notice.

Product description2

2.1 Positions of manual switches

The various positions of the manual switch have different effects

on the solar circuit or the two solar consumers.

2.1.1 Manual switch (solar circuit 1)

Tab. 1 Manual switch positions

CAUTION!

SYSTEM DAMAGE

Incorrect use of switch positions 0 and 3may cause damage to

the solar system or even destroy individual components of the

system.

zEnsure that the switch is always in the "AUT" position.

USER NOTE

The manual switches 3should normally be in the "AUT" position.

The 0 and 3positions are special settings that should be used by

technicians only.

Position Effect

Solar circuit 1 (solar circuit pump 1) and the bypass

(3-way valve) are switched off.

Solar circuit 1 and the bypass are in automatic mode

– this is the standard setting.

Manual mode is activated.

Solar circuit pump 1 is switched on. The bypass is

not being controlled.

FM443 Function Module - Technical specifications are subject to change without prior notice. 9

Product description 2

2.1.2 Manual switch (solar circuit selection)

Position Effect

The selection of the solar circuit is switched off.

The FM443 (solar) function module is in automatic

mode – this is the standard setting.

If the corresponding solar yield is available, only

solar consumer "2" (solar circuit 2) is loaded.

The automatic switchover is disabled.

If the corresponding solar yield is available, only

solar consumer "1" (solar circuit 1) is loaded.

The automatic switchover is disabled.

Tab. 2 Manual switch positions

USER NOTE

If the manual switch is not in automatic mode, a message to that

effect appears on the MEC2 user interface, and the "Module fault"

LED on the module illuminates.

Notify your heating contractor.

FM443 Function Module - Technical specifications are subject to change without prior notice.

The functions of the FM4433

3 The functions of the FM443

3.1 Changing the operating mode

You can change the operating mode of the solar control. The

operating modes are as follows:

– Manual ON ("day mode" button)

– Manual OFF ("night mode" button)

– Automatic operation ("AUT" button)

Open the flap of the MEC2 user interface.

Press and hold the "heating zone" button.

Turn the dial until "select heat zone – solar" appears on the display.

Release the "heating zone" button.

USER NOTE

With the "Manual ON" operating mode ("day mode" button), the

collector protection function is ensured, that is, the pump will not

start up if the collector temperature is above the threshold value.

USER NOTE

When the flap on the MEC2 user interface is closed, it will

generally indicate to which heating zone the MEC2 user interface

is assigned. If the MEC2 user interface is not assigned to any

heating zone, then the lowest installed heating zone is always

indicated.

For more information see the technical documentation for your

control.

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