Technibel KH2ZM Manuel utilisateur

KH2ZM

MODULE 2 ZONES MIXTE

2-ZONE MIXED MODULE

MODULO A 2 ZONE PER IMPIANTO MISTO

Juin 2010 BA 10 11 466 - F.GB.I - 02

(Etiquette signalétique)

NOTICE

D’INSTALLATION

INSTALLATION

INSTRUCTION

MANUALE

D’INSTALLAZIONE

CONTENTS

1 - General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 - Presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 - Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 - Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

5 - Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

6 - Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

7 - Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1 - GENERAL

1.1 - GENERAL SUPPLY CONDITIONS

• Generally speaking, the material is transported at the consignee's risk.

• The consignee must immediately provide the carrier with written reserves if any damage caused during transport is found.

1.2 - RECOMMENDATIONS

• Prior to any intervention on the unit, installation, commissioning, operation or maintenance, the personnel performing these

operations must be familiar with all instructions and recommendations provided in this installation manual, as well as the

elements presented in the project's technical data package.

• The personnel in charge of receiving the unit should conduct a visual inspection to detect any damage to the unit caused

during transport.

• The unit must be installed, commissioned, maintained, and serviced by qualified personnel in compliance with the

requirements of all current directives, laws and regulations and according to recognized trade practices.

1.3 - VOLTAGE

• Before all operation, check that the voltage indicated on the appliance rating plate corresponds with that of the mains supply.

1.4 - USE

• This unit is designed for use on water distribution type heating / air-conditioning installations, exclusively within the scope

of systems used in conjunction with the following residential applications:

- 2 zones, mixed floor + terminal units.

- 2 zones, mixed floor + radiators.

This appliance is not designed to be used by people (including children) whose physical, sensory or mental

capacities are impaired, or who lack experience or knowledge, unless they are supervised or have received

instructions on how to use the appliance by a person who is responsible for their safety. Children must be

supervised to ensure that they do not play with the appliance or its accessories.

1.5 - OPERATING CONDITIONS

•This product is designed for use exclusively with a RO.MT type generator.

MARKING

This product marked conforms to the essential requirements of the Directives:

- Low voltage no. 2006/95/EC.

- Electromagnetic Compatibility no. 2004/108/EC.

IMPORTANT

34810 12 7911

1- Housing

2- Mixing cylinder

3- Automatic air vent valve

4- Motorised, 3-way valve, zone 1

5- Circulator, zone 1

6- Circulator, zone 2

7- Circuit breaker, zone 1

8- Circuit breaker, zone 2

9- Circulator terminal strip, zone 1

10 - Circulator terminal strip, zone 2

11 - Control board, zone 1

12 - Control board, zone 2

13 - Outlet water sensor, zone 1

14 - Pressure taps for water output measurement, zone 1

15 - Pressure taps for water output measurement, zone 2

2 - PRESENTATION

2.1 - DESCRIPTION

74.5 43 107600

750 260

665

251.5 170130 120

63515 15

185.5

240 127.5

6 5 4 3

2.2 - DIMENSIONS AND WEIGHT

1Module water inlet connection (generator side) Weight (kg)

2Module water outlet connection (generator side) 39

3Outgoing connection, zone 1

4Outgoing connection, zone 2

5Return connection, zone 1

6Return connection, zone 2

7Holes for electric cables

All connections are 1” male.

4 ø 9 holes

for wall

mounting

Front view Left side view Rear view

View from below

3 - INSTALLATION

• Protection rating of the module: IP 31.

• The module must be installed in a sheltered location.

• Remove the module's front panel (6 screws on the sides).

• Secure the module to the wall. See the position of the 4 mounting holes in paragraph 2.2.

4 - CONNECTIONS

4.1 - HYDRAULIC CONNECTION

• The module is to be connected on the installation's outgoing line, at the heating module outlet. The module is entered from

above. Connect the outgoing and return line of each zone.

4.2 - ELECTRICAL CONNECTIONS

4.2.1 - GENERAL

• Class 1 apparatus, intended for an installation equipped with a neutral point connection (TT as per NFC 15-100) in

domestic applications.

• Breaking capacity of the circuit breakers for the module: 3 kA as per NFC 61-410.

• Voltage variation tolerance: +/- 10% in operation.

• The electrical connection conduits must be secured.

• Use the cable glands mounted on the unit - see § 4.2.4.

• Ensure that all installation grounds are interconnected.

• Cables are not supplied.

• Consult the module electrical diagram.

• Also consult the installation manuals of the generator and the heater module,and the control’s technical manual.

4.2.2 - DESCRIPTION OF CONNECTIONS

4.2.2.1 - MAINS SUPPLY

• 230 V, single-phase, 50 Hz, input amperage = 1.6 A.

• The electrical power supply must come from protection and disconnecting means (not

supplied) in compliance with the standards and regulations in force. The circuit must be

protected by a two-pole circuit breaker.

• Cable 3G 1.5 mm2.

• Power supply to be connected directly on the zone 1 circuit breaker (“Q1”) located in the

module.

4.2.2.2 - CONTROL CONNECTIONS

- Refer to the diagrams in § 4.2.3.

Outgoing line, zone 1

Outgoing line, zone 2

Return, zone 1

Return, zone 2

Generator

Heating module 2-zone mixed module

Plate exchanger

NPh

230 Vac

Caution :

To avoid problems related to electromagnetic disturbances, do not route these cables near power cables.

A BUS BUS

BUS

Control box

With built-in ambient temperature sensor.

To be installed in zone 1.

Heating

board

Zone 1: Floor

Zone 2: Terminal units or radiators

Water

temperature,

zone 1

Ambient

temperature,

zone 1

Board, zone 2

Board, zone 1

Possible accessory

70250065

(If control box is installed

outside zone 1)

A BUS

- 2-conductor cable, min. size 1 mm2.

-Total length of the BUS connection: 40 meters (heating board / control box connection + heating board / zone board if

any connection).

- To be connected on the terminal strip of the boards, zones A1 and A2, located in the module.

A2 A1

Heating

board

Caution:

Be sure to respect

the polarities + and -

P Zone ambient temperature sensor

- For zone 1, Floor: required only if the control unit is not placed in a

location that is representative of the temperature in zone 1.

Caution:

In this case, the remote zone 1 sensor must be activated through

parameterisation on the control unit (refer to control’s technical manual).

This sensor is proposed as accessory 70250065.

- Wall mounting: The sensor is designed to be mounted in a "Mosaïc" type

(45 x 45), flush-mounted electrical box (not supplied).

It is to be installed in a location that is representative of the temperature

in the zone.

- The sensor must not be installed in corners, on shelves or behind

curtains, near sources or heat or directly exposed to sunlight. The unit

should be installed approximately 1.5 m above the floor.

- Use a 2-conductor cable for installation, minimum size: 0.5 mm2and max. length: 25 meters.

- To be connected directly on the corresponding zone board (terminals Cand S5).

Q Water temperature probe (Floor zone outgoing line)

- Indicated for informational purposes as it is already connected in the module.

1.50 m

20 cm min.

Ambient sensor

2-ZONE MIXED MODULE

HEATING MODULE

2-ZONE MIXED MODULE

4.2.3 - ZONE BOARD CONNECTION DETAIL

4.2.4 - CABLE ROUTING

230 Vac BUS

Zone ambient

temperature sensor

Valve control

Pump

control

Valve contact input

Zone addressing

micro-switch

230 V power supply

BUS A

Zone ambient

sensor P

5 - START-UP

5.1 - VERIFICATIONS

• Ensure that the hydraulic connections are properly tight and that the hydraulic system operates correctly:

- purge of circuits,

- valve position,

- hydraulic pressure (1.5 to 3 bar).

• No leaks.

• Proper machine stability.

• Electrical cables and wires are well secured to their connection terminals. Loose terminals can cause heat build-up on the

terminal board and malfunctions.

• Ensure that the electric cables are properly protected from all sheet metal edges or metal parts that could damage them.

• Ensure that control cables and power cables are properly separated.

• Check that the unit is properly grounded.

• Make sure that no tools or any other objects have been left in the machine.

5.2 - CONFIGURATION / SETTING

• Set the button on the installation's control box to OFF.

• Turn installation and module power on.

• On the control unit, configure the system for the “2 Mixed Zones” application (parameter 70 = 4); then check and adapt the

parameterization to the installation conditions (consult the control’s technical manual).

• Check that the setpoint settings of the RO.MT generator regulator are compatible with the "2 Mixed Zones" application.

• Check the position of the zone addressing micro-switches (Z1/Z2), see the diagram in § 7.

Before carrying out any work on the machine, make sure that it is switched off and that access to it is prevented.

Any work must be carried out by personnel qualified and authorised to work on this type of machine.

IMPORTANT NOTE

Water temperature sensor

(floor outgoing line)

6 - MAINTENANCE INSTRUCTIONS

• Before doing any work on the installation, make sure it is switched off and all power supplies locked out.

• Any work must be carried out by personnel qualified and authorised to work on this type of machine.

IMPORTANT NOTE

5.3 - OPERATION

• Check circulator operation in the generator and the operation of the 2 circulators of the module. Adapt the speed of the

circulators in order to respect the flow rates. For the generator, refer to the corresponding installation manual.

Note:

When the system is off, operation can be forced by changing the parameterization:

- of zone 1 (accelerator on and control valve open) with parameter 65,

- of zone 2 (accelerator) with parameter 66,

- of the generator with parameter 67.

• Check that water is properly circulating in the installation (valve position).

Note:

The outgoing mixing valve of the Floor zone of the module is delivered in full-open position (position “1”).

It is equipped with a “3-point” motor for 230 VAC controlled by the zone board:

- Y1 = open control signal,

- N= neutral (common),

- Y2 = close control signal.

When off, it is possible to open this valve by actuating the motor using a 3 mm Allen wrench.

• Purge the installation. Check the bleeders located in the 2-zone module and heating module.

CAUTION:

An incorrect purge could result in malfunctions and damage to the heater of the heating module.

00.511.522.53

Speed 1

Manometric delivery head (kPa) of the circulator

Vitesse 1

Speed 2

CIRCULATOR SXM 32 - 55

Speed 3

• Water flowrate: The module's outgoing water lines

are equipped with 1/4 SAE pressure taps at the

inlet and outlet of each circulator, to enable the

pressure loss to be measured using a hydraulic

pressure gauge. Use the following circulator

curves below (circulator SXM 32 - 55) to find the

water flowrate.

• Start the system in the desired operating mode using the control box button (consult the the control’s technical manual and

the control box user's guide).

Caution:

At the end of testing and before starting the installation, the forced configuration must be deactivated

and parameters 65, 66 and 67 returned to zero.

P2P1 A4 C S4 C S5

NU Y1 N Y2 +-

EV1

BUS

P2P1 A4 C S4 C S5

NU Y1 N Y2 +-

PE N Ph

7 - ELECTRICAL DIAGRAM

A1 Control board, zone 1

A2 Control board, zone 2

EV1 Control valve, zone 1

M1 Circulator, zone 1

M2 Circulator, zone 2

Q1 Circuit breaker, zone 1

Q2 Circuit breaker, zone 2

S4 Water temperature sensor (outgoing line, zone 1)

S5 Temperature ambiance sensor (zone 1)

Accessory

Component symbols

ELECTRICAL DIAGRAM - KH2ZM 10 05 808 - 02

Power supply

230V / 1 / 50

Pump

Water probe

Ambiance

sensor

(accessory)

Pump

GENERAL MAINTENANCE

All equipment must be properly maintained in order to provide optimum performance over time. Faulty maintenance can result in

the cancellation of the product guaranty. Depending on the products, maintenance operations consist in the cleaning of filters (air,

water), internal and external exchangers, casings, and the cleaning and protection of condensate tanks. Treating odours and the

disinfection of room surfaces and volumes also contributes to the cleanliness of the air breathed by users.

•Perform the following operations at least once per year (the frequency of operations depends on the installation and

operating conditions):

- Check the composition and condition of the coolant.

- Check operating points and setpoints.

- Check the safety devices.

- Dusting of electrical boxes.

- Ensure that all electrical connections are properly tight.

- Check the ground connections.

- Check the hydraulic system (cleaning of the filter, water quality, purge, flowrate, pressure etc.).

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