Viessmann Dekamatik-HK1 Manuale utente

Dekamatik-HK1

Installation Instructions

Dekamatik-HK1

Digital indoor/outdoor heating circuit control unit

for mounting on the mixing valve, Part No. 7450 107

for wall mounting, Part No. 7450 110

Please file in Service Binder

5167 137 1/99

Safety

Safety, Installation and Warranty Requirements

Please ensure that this manual is read and understood before commencing installation. Failure to comply with the issues listed below

and details printed in this manual can cause product/property damage, and/or severe personal injury. Ensure all requirements below are

understood and fulfilled (including detailed information found in manual subsections).

HLicensed professional heating

contractor

The installation, adjustment, service, and

maintenance of this equipment must be

performed by a licensed professional

heating contractor.

"Please see sections

entitled “Safety” and

“Important Installation

Requirements.”

HProduct documentation

Read all applicable documentation before

commencing installation. Store

documentation near boiler in a readily

accessible location for reference in the

future by service personnel.

"For a listing of applicable

literature, please see

section entitled “Important

Installation Requirements.”

HAdvice to owner

Once the installation work is complete, the

heating contractor must familiarize the

system operator/ultimate owner with all

equipment, as well as safety precautions/

requirements, shut-down procedure, and

the need for professional service annually

before the heating season begins.

HWarranty

Information contained in this and related

product documentation must be read and

followed. Failure to do so renders warranty

null and void.

Safety Terminology

The following terms are used throughout this manual to bring attention to the presence of potential hazards or important product information.

Please heed the advice given!

Helpful hints for installation, operation or

maintenance which pertain to the

product.

5167 137

Indicates an imminently hazardous

situation which, if not avoided, will

result in death, serious injury or

substantial product/property

damage.

DANGER

Indicates an imminently hazardous

situation which, if not avoided, could

result in death, serious injury or

substantial product/property

damage.

WARNING

Indicates an imminently hazardous

situation which, if not avoided, may

result in minor injury or

product/property damage.

CAUTION

IMPORTANT

Contents

Page

Important Precautions Safety 4...........................................................................................

Important Installation Requirements

Information Product Information 5................................................................

Heating System Types -Application Example 1 6...........................................................

- One heating circuit with mixing valve

- Dekamatik-HK 1 for mounting on the mixing valve or

-for wall mounting

Application Example 2 7

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

- One underfloor heating circuit with mixing valve

- Dekamatik-HK 1 for mounting on the mixing valve or

-for wall mounting

Installation Dekamatik-HK1 for Mounting on the Mixing Valve 8.......

Dekamatik-HK1 for Wall Mounting 9.....................................

Electrical Connections Overview 10.....................................................................................

Sensors 12.......................................................................................

Supply temperature sensor 12.....................................................

Outdoor temperature sensor 13...................................................

Accessories 14...............................................................................

Room temperature sensor 14.......................................................

Wall mounting fixture 14.................................................................

WS/RS remote control unit 15......................................................

Heating circuit pump 115 V 16.......................................................

Heating circuit pump with high current or 3-phase 17..............

Other Connection Facilities 18..................................................

External heat demand / External heat disable 18....................

Mixing valve motor 18.....................................................................

Compiled fault indication 19...........................................................

Power Supply 20............................................................................

Appendix Post-Installation Testing 21........................................................

Checklist 21......................................................................................

Service binder 21.............................................................................

Dimensions / Technical Data 22................................................

5167 137

Important Precautions

Safety

Take note of all symbols and notations intended to draw attention to potential hazards or important product information.

These include “DANGER,” “WARNING,” “CAUTION,” and “INFORMATION.” See page 2 for details.

Approvals

Viessmann boilers, burners and controls

are approved for sale in North America by

International Approval Services (IAS). All

electrical wiring is to be done in

accordance with the latest edition of the

National Electrical Code ANSI/NFPA 70.

In Canada use latest edition of CSA

C22.1 Part 1 and/or local codes.

Please carefully read this manual prior

to attempting installation. Any

warranty is null and void if these

instructions are not followed.

We offer frequent installation and

service seminars to familiarize our

partners with our products. Please

inquire.

Working on the equipment

The installation, adjustment, service, and

maintenance of this boiler must be done

by a licensed professional heating

contractor who is qualified and

experienced in the installation, service,

and maintenance of hot water heating

equipment. There are no user-serviceable

parts on this equipment.

Power supply

Install power supply in accordance with

the regulations of the authorities having

jurisdiction or, in the absence of such

requirements, in accordance with National

Codes.

Viessmann recommends the installation

of a disconnect switch to the 120 V power

supply outside of the boiler room. The

installer must provide maximum 15 A

overcurrent protection for the 120 V

power supply (fuse or circuit breaker).

Ensure that all contacts have sufficient

insulation clearance to live parts and

are certified for these applications.

Proper consultation with Viessmann

Manufacturing Company Inc. should

occur when installing components not

included in the Viessmann product

line.

No static discharge to the internal

componentry must ever occur when

working with opened control

equipment.

Important Installation Requirements

Literature applicable to installation of the

Dekamatik-HK 1:

- Installation Instructions

- Start-up and Service Instructions

- Operating Instructions

- Installation codes mentioned in this

manual

Leave all literature at the installation

site and advise the system

operator/ultimate owner where the

literature can be found. Contact

Viessmann for additional copies.

5167 137

IMPORTANT

Turn off electric

power supply before

servicing. Contact

with live electric

components can

cause shock or loss

of life.

WARNING

IMPORTANT

Information

Product Information

Digital indoor/outdoor heating circuit control unit for one heating circuit with mixing valve,

either

with drive module for mounting on Viessmann mixing valve

for wall mounting and connection of a separate mixing valve motor.

5167 137

Heating System Types

Application Example 1

- One heating circuit with mixing valve

- Dekamatik-HK1

Instead of the Dekamatik-HK 1 for mounting on the mixing valve it is also possible to use a Dekamatik-HK 1 for wall mounting in

conjunction with a separate mixing valve motor.

Dekamatik-HK 1 for mounting on

the mixing valve

Heating circuit

Supply header

Return header

Outdoor temperature sensor*1

Supply temperature sensor

Heating circuit pump

Power supply

Remote control

*2 Viessmann 2-wire BUS

for communication with other

Dekamatik control units

External heat demand /

external heat disable

*1It is possible to connect a separate room temperature sensor (accessory) instead of the outdoor temperature sensor for the purpose of

*1a purely room temperature dependent control.

*1If the outdoor temperature value of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, a room temperature

*1sensor can be connected for room temperature dependent control (only possible with communication module, accessory).

*2Only in conjunction with communication module (accessory).

5167 137

ATS = Outdoor temperature sensor

VTS = Supply temperature sensor

Heating System Types

Application Example 2

- One underfloor heating circuit with mixing valve

- Dekamatik-HK1

Instead of the Dekamatik-HK 1 for mounting on the mixing valve it is also possible to use a Dekamatik-HK 1 for wall mounting in

conjunction with a separate mixing valve motor.

Dekamatik-HK 1 for mounting on

the mixing valve

Underfloor heating circuit

Supply header

Return header

Outdoor temperature sensor*1

Supply temperature sensor

Return temperature sensor

(accessory) (see separate

instructions regarding installation

and electrical connections)

Heating circuit pump

Power supply

Remote control

*2 Viessmann 2-wire BUS for

communication with other

Dekamatik control units

External heat demand /

external heat disable

*1It is possible to connect a separate room temperature sensor (accessory) instead of the outdoor temperature sensor for the purpose of

*1a purely room temperature dependent control.

*1If the outdoor temperature value of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, a room temperature

*1sensor can be connected for room temperature dependent control (only possible with communication module, accessory).

*2Only in conjunction with communication module (accessory).

5167 137

ATS = Outdoor temperature sensor

VTS = Supply temperature sensor

RLS = Return temperature sensor

Installation

Dekamatik-HK1 for Mounting on the Mixing Valve

1. Screw the threaded bolts (M6 or M8

female thread depending on size of

mixing valve) onto the threaded

bolts of the mixing valve.

2. Place the base plate in position and

screw on with the washers and nuts

provided.

3. Snap the control unit with drive

module onto the base plate ;

fasten with the screws provided.

5167 137

Fig. 1

Mounting the Dekamatik-HK 1 on the mixing valve

Installation

Dekamatik-HK1 for Wall Mounting

1. Pull the wall mounting fixture off the

control unit .

2. Fasten the wall mounting fixture to

the wall with three screws.

3. Carry out the electrical connections

(i.e. mixing valve motor and compiled

fault indication) (see page 18 and 19).

4. Pull off the cover .

5. Push the control unit in the

guideways onto the wall mounting

fixture ; fasten with the screws

provided.

6. Re-fit the cover .

5167 137

Fig. 2

Mounting the Dekamatik-HK 1 on the wall

Electrical Connections

Overview

Open up the terminal compartment by

unscrewing the screws in the cover

below the programming unit .

Mother board

for heating circuit pump

Connect via connector AC 120 V~

for power supply.

Cord and plug factory supplied;

AC 120 V~60 Hz;

15 A receptacle required (field

supplied).

Fuse F1

On/off switch

Strain relief clamp

Low voltage connections

X14 for outdoor temperature

sensor or room temperature

sensor (accessory)/

supply temperature sensor

X3 not used

X3 for return temperature

sensor (accessory) in

conjunction with underfloor

heating circuit

X1 for WS/RS remote control

unit (accessory)

X16 for wall mounting fixture

(assembly)

for using Comfortrol program-

ming unit as a remote control

X11 for external heat demand

(open mixing valve) / external

heat disable (close mixing

valve)

for external changeover of

the heating program

X16 not used

5167 137

Fig. 3

Electrical connections

Indice

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