Condair MD Series Technisches Handbuch

2600800-A EN 2011

Humidication and Evaporative Cooling

PLANNING MANUAL

Condair HumiLife – the efficient ERV solution

Condair MD

MD-EL-H

MD-FB-H

MD-WW-H

MD-HW-H

Proprietary rights

This document and the information disclosed herein are proprietary data of Condair Group AG. These operating

instructions (including extracts hereof) may not be reproduced or passed on, nor may the contents thereof be used

or passed on to any third party without the written permission of the manufacturer. Any infringements are punish-

able and entail a liability for damages.

Liability

Condair Group AG is not liable for any damages incurred as a result of poorly executed installation, improper

operation or the use of components or equipment not approved by Condair Group AG.

Technical modication rights reserved.

3Table of Contents

Table of Contents

1 Introduction 5

1.1 First things rst! 5

1.2 Notes on the planning manual 5

2 For your safety 7

3 Product overview 8

3.1 Model overview 8

3.2 System description 9

3.3 Installation overviews 10

3.3.1 Condair MD MD-EL-H variant installation overview 10

3.3.2 Condair MD MD-HW-H variant installation overview 11

3.3.3 Condair MD MD-FB-H variant installation overview 12

3.3.4 Condair MD MD-WW-H variant installation overview 13

3.4 Scope of delivery 14

3.5 Options 15

3.6 Accessories 16

4 Planning a Condair MD system 17

4.1 Requirements for the installation room 17

4.2 Humidier unit selection and positioning 17

4.2.1 Humidier unit pre-assembly kit 17

4.2.2 Instructions for positioning the humidier unit 18

4.3 Selection and positioning of the hydraulic unit 21

4.3.1 Determining the hydraulic unit variant 21

4.3.2 Instructions for positioning the hydraulic unit 22

4.4 Positioning sensors 23

5 Media requirements 24

5.1 Fresh water connection requirements 24

5.1.1 Fresh water supply quality requirements 24

5.1.2 When is a water treatment device required? 25

5.1.3 Fresh water installation 26

5.2 Water drain requirements 28

5.3 Power supply requirements 29

5.3.1 Hydraulic unit power supply 29

5.3.2 Sensor power supply 29

5.4 Requirements for the ventilation system 29

5.5 Heating circuit requirements (MD-HW-H variant) 30

5.6 Heating circuit requirements (MD-FB-H) 32

5.7 Requirements for the hot water circuit (MD-WW-H) 34

4Table of Contents

6 Productspecications 36

6.1 Technical data of the hydraulic unit 36

6.2 Technical data of humidier unit 37

6.3 CE Declaration of Conformity 38

7 Appendix 39

7.1 Dimensional drawing of humidier unit 39

7.2 Dimensional drawings of adapters 39

7.3 Dimensional drawing of hydraulic unit 40

7.4 Condair MD wiring diagram for external connections 41

5Introduction

1 Introduction

1.1 Firstthingsrst!

Thank you for choosing the Condair MD.

The Condair MD has been built using state-of-the-art technology and in accordance with the latest safety

regulations. However, improper use of the Condair MD may put users and/or third parties at risk and/or

may also cause damage to material assets.

Please observe and comply with all information and safety instructions in this documentation and in the

instructions to the components built into the humidier system to ensure safe, proper and cost-efcient

operation of the Condair MD.

Should you have any questions after reading these instructions, please contact your local Condair rep-

resentative. We will be happy to assist.

1.2 Notes on the planning manual

Delimitations

This planning manual deals with the different variants of the Condair MD. Options and accessories

are only described insofar as is necessary for proper operation. Please see the relevant instructions for

additional information on the options and accessories.

The information in this manual is limited to the planning of the Condair MD and is aimed at correspond-

inglytrainedandadequatelyqualiedgroupsofpersons.

This planning manual is accompanied by various separate documents which are included with delivery.

Where necessary, these instructions may refer to these publications.

6Introduction

Symbols used in this manual

CAUTION!

The signal word “CAUTION” together with the hazard symbol in a circle indicates information provided

in this documentation which, if ignored, could lead to damage and/or the failure of the device or

other equipment.

WARNING!

The signal word "WARNING", together with the general hazard symbol, indicates safety and hazard

information given in this documentation which, if ignored, could lead to injury to people.

DANGER!

The signal word "DANGER", together with the general hazard symbol, indicates safety and hazard

information given in this documentation which, if ignored, could lead to serious injury or even death

to people.

Storage

Keep this documentation in a safe place for further use. If these instructions are lost or if you are unsure

whether this documentation is still up to date, please contact your Condair representative.

Language versions

This documentation is available in various languages. For more information, please contact your Condair

representative.

7For your safety

2 For your safety

Personnelqualications

All work described in this documentation may onlybecarriedoutbytrainedandsuitablyqualied

specialist staff authorised by the operator.

Furthermore, for safety and warranty reasons, interventions may only be undertaken by specialist per-

sonnel authorised by Condair.

It is assumed that all persons entrusted to work on the Condair MD are familiar with and abide by the

regulations on occupational health and safety and accident prevention.

Intended use

The Condair MD is exclusivelyintendedforductairhumidicationtogetherwithEnergyRecovery

Ventilation(ERV)withinthespeciedoperatingconditions (see Section 6.1 and Section 6.2). Any

other use without the written permission of Condair is deemed to be improper use and can render the

Condair MD hazardous.

Intended use also includes compliance with all information contained in this documentation as

well as the installation and commissioning instructions as well as the operating instructions

(particularly all safety and hazard information).

Hazards that may arise from the Condair MD:

DANGER!

Risk of electrocution

The hydraulic unit of the Condair MD operates using mains voltage. If the hydraulic unit is open,

users may come into contact with live parts. Touching live parts may cause severe injury or death.

For this reason: Before starting work on the hydraulic unit, disconnect it from the mains power

supply (remove plug from socket).

CAUTION!

Leaking or defective water pipes/connections may lead to water damage.

For this reason: If possible, the hydraulic unit and the humidier unit must be installed in a utility room

with a oor drain connected to the on-site wastewater pipe. If this is not possible, we recommend using

the optional leakage monitoring.

Unauthorisedmodicationstothedevice

No additions or modications must be made to the Condair MD without the written permission of

Condair.

When replacing any defective components on the unit, use only genuine accessories and spare parts

provided by your Condair representative.

8Product overview

3 Product overview

3.1 Model overview

The Condair MD is available in four different variants with a humidication output of 2 kg/h for installation

in horizontal ventilation ducts (H).

– EL: heating up the humidication water with integrated, electrical heating.

– HW: heating up the humidication water using the integrated heat exchanger connected to a hot

water system of a heating system.

– FB: heating up the humidication water using the integrated heat exchanger connected to a oor/

wall-based heating or a convection circuit.

– WW: heating up the humidication water using the integrated heat exchanger connected to the hot

water system (heated drinking water or heated waste water).

Variants Humidicationoutput1) Heating type

MD-EL-H

2 kg/h 1)

Electrical heating element integrated into the water

tank of the hydraulic unit

MD-HW-H Heating water circuit (35°C to 60°C) without recir-

culation pump

MD-FB-H Floor/wall-based heating circuit or convection circuit

(29°C to 60°C) with recirculation pump

MD-WW-H Hot water circuit (45°C to 60°C) without recircula-

tion pump

1) The stated humidication output is the maximum value, measured at an air throughput rate of 180

m3/h. The effective humidication output depends on the heating source output, the condition of the

supply air and the adjusted humidity setpoint. The output has been veried by Fraunhofer Institute

for Solar Energy Systems (ISE), Freiburg, Germany.

The functionality of all basic models can be enhanced using various options. Different accessories and

consumables are also available.

9Product overview

3.2 System description

System design

A Condair MD consists of the hydraulic unit and the humidier unit.

– Humidierunit(humidicationoutput2kg/h)

The humidier unit is installed at minimum 300 mm above the hydraulic unit with the adapters in the

central supply air line upstream of the distributor and downstream of any silencer.

The humidier unit can be mounted to the ceiling or wall with 4 M8 threaded rods (standard) or two

pipe clamps.

– Hydraulic unit

The hydraulic unit is mounted to the wall at minimum 300 mm below the humidier unit with the

supplied mounting rails.

The hydraulic unit is available in four different variants:

– EL: heating up the humidication water with integrated, electrical heating.

– FB: Heating up humidier water using a heat exchanger connected to an underoor/wall heating

circuit or a convector circuit with circulation pump.

– HW: Heating up humidier water using a heat exchanger connected to the heating water system

of a heating system without a circulation pump.

– WW: Heating up humidier water using a heat exchanger connected to the hot water system

(heated drinking water) without circulation pump.

Power supply

The hydraulic unit requires a 3-pin 230V/1~/50Hz mains socket. The mains socket must be installed in

accordance with local regulations and protected by a separate, on-site RCD switch (max. 30 mA) and

a separate automatic circuit breaker (min. 10 A, slow-blow).

The control and monitoring devices (humidity and temperature sensor, max. humidistat and air ow

monitor) are supplied with 24 VDC by the hydraulic unit.

Supply water

– Water quality: drinking water with max. 100 cfu/ml

– Water inlet pressure: 150 to 500 kPa (1.5 to 5 bar)

– Water hardness: 1 to 30 °dH

– pH value: 6.5 to 9.0

Water drain

The water drain of the hydraulic unit is connected to the wastewater pipe on site using an open drain

funnel with siphon.

Heating water supply and return or hot water supply and return

The hot water supply and return (for MD-HW-H and MD-FB-H variants) as well as the hot water supply

and return (for MD-WW-H variant) are connected to the corresponding connections on the underside

of the hydraulic unit.

10 Product overview

3.3 Installation overviews

3.3.1 Condair MD MD-EL-H variant installation overview

Fig. 1: Condair MD MD-EL-H variant installation overview

Max. humidistat

Humidity and temperature sensor

Air ow monitor

Service uid connection JG ø10 mm

Humidier unit return connection JG ø10 mm

Humidier unit supply connection JG ø10 mm

Drain connection ø40 mm

Drain funnel with

siphon

Supply connection G 3/4"(AG)

Drain pipe ø40 mm (min. slope 15%)

by others

Mains socket

(230V/50Hz,

10 A slow-blow, FI 30 mA)

Minimum distance for service

liquid lling

min. 300 mm

300 mm

288 mm

610 mm

425 mm

min. 200 mm min. 300 mm

Free access: at min. 800 mm

min. 200 mm

min. 350 mm

Extract air

Supply air

Shut-off valve

1.5 to 5.0 bar

8 to 30 °C

Max. hose length 3 m

(hoses with a continuous slope of at

min. 15% routed to the hydraulic unit)

Max. cable length 5 m

Water treatment (optional)

Condair RO-HS

reverse osmosis system

Decarboniser

50% scaled

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