Winterwarm EH5 Manuale utente

EH - en - v1.0 - 06 / 2021

INSTALLATION MANUAL

AIR HEATER

TYPE EH

Content

1 Introduction 3

1.1 Symbols used in this manual 3

1.2 Warranty 3

2 Safety instructions 4

2.1 Installation 4

2.2 Use 4

2.3 Maintenance & Cleaning 4

2.4 Children and vulnerable users 4

3 Technical speciﬁcations 5

3.1 Performance 5

3.2 Dimensions 5

4 Installation 6

4.1 Preparation 6

4.2 Positioning the air heater 6

4.3 Electrical connection 8

4.4 Room thermostat 8

5 Operating the air heater 10

5.1 Minimum ﬁring time 10

5.2 Delta-T-regulation 10

5.3 Summer ventilation 10

5.4 Overheating protection 10

6 Commissioning the air heater 11

6.1 Adjusting the settings 11

6.2 Commissioning the air heater 11

7 Troubleshooting 12

7.1 Volatile lock outs 12

7.2 Temporary errors 12

7.3 Warnings 12

7.4 Instructions 13

8 Maintenance 14

8.1 Preparation 14

8.2 Basic maintenance 14

9 Electrical wiring diagram 15

10 Exploded view and spare parts 16

11 Disposal and recycling 17

12 Declaration of conformity 17

3INSTALLATION MANUAL AIR HEATER TYPE EH

1 Introduction

This manual is intended for the gas, electrical and

mechanical installer.

This document gives instructions on how to use and

maintain the air heater. It is most important to follow the

instructions in this document for safe operation of this air

heater.

It is important to read this document before starting the

installation process. Store this document close to the air

heater for quick reference.

1.1 Symbols used in this manual

DANGER! Indicates a dangerous situation that would lead

to death or severe injury.

WARNING! Indicates a potentially dangerous situation

that could lead to death, severe injury or serious product

damage.

CAUTION! Indicates a potentially dangerous situation

that could lead to injury or product damage.

NOTICE Indicates important information that is not

directly related to safety.

1.2 Warranty

NOTICE Using, installing or maintaining this air heater in

any other way than described in this manual may cause

damage that voids the warranty.

NOTICE Failing to follow the safety instructions in this

manual can lead to damage to the air heater or the

installation and void the warranty.

2 Safety instructions

Always follow the safety instructions in this chapter when

installing, using or performing maintenance on this air

heater:

2.1 Installation

CAUTION! This air heater must be installed and

maintained by an authorized, qualiﬁed and competent

installer, using calibrated equipment.

NOTICE This air heater must be installed and maintained

in accordance with this manual, national and local building

regulations and local health and safety regulations.

2.1.1 Protection against dust

CAUTION! Do not use the air heater in a very dusty

environment. Dust may accumulate and cause a defect of

the heater. This is also the case for the room thermostat.

CAUTION! Cover the air heater while spreading sawdust

on the ﬂoor. This prevents large amounts of dust from

accumulating on the heater.

CAUTION! The air heater can be used in a dusty

environment (e.g. a poultry shed) if they are cleaned and

maintained more frequently.

2.1.2 Temperature

CAUTION! Do not install the heater in places where the

temperature can rise above 35°C. Higher temperatures

cause the internal components to degrade much faster.

2.2 Use

CAUTION! Make sure the area around the air heater is

dry when performing maintenance on the air heater.

CAUTION! Always close the doors and inspection hatches

of the air heater, except when adjusting and checking the

appliance.

2.3 Maintenance & Cleaning

Frequent maintenance and cleaning of the air heater is

necessary to ensure safe and proper operation. Failure

to do so could lead to damage to the heater or its

surroundings and void the warranty.

2.3.1 Protection from water (IP class)

WARNING! Never use water when cleaning electrical parts.

This air heater is not waterproof and has an IP00B

classiﬁcation.

WARNING! Do not expose the air heater to rain, spray or

dripping water.

2.4 Children and vulnerable users

WARNING! This air heater can be used by children aged

8 years and above and by persons with reduced physical,

sensory or mental capabilities or lack of experience and

knowledge, if they are supervised or instructed concerning

use of the appliance in a safe way and understand the

hazards involved.

WARNING! Children shall not play with the air heater.

WARNING! Children shall not clean and maintain this air

heater without supervision.

5INSTALLATION MANUAL AIR HEATER TYPE EH

3 Technical speciﬁcations

3.1 Performance

Type EH

Technical speciﬁcation Unit EH5 EH10 EH15 EH20 EH25 EH30 EH40

Heat output (max.) kW 5,0 9.9 15.0 19,8 24.9 29.7 39.6

Heat output (min.) kW 2,5 3.3 7.5 9,9 9.9 9.9 19.8

Nominal power kW 5,2 10.1 15.2 20,0g 25.1 29.9 39.8

Current per phase (max.) A 11,9 15.5 22.9 31,0 37.2 44.2 59.0

Current per phase (max.) A 22,6 44,0

Air output (max.) m3/h 3100 3100 3100 3100 3000 3000 4400

Throw horizontal (max.) m 23 23 23 23 22 22 28

Electrical connection (50 Hz) V 400 V (3F + N) 400 V (3F + N) 400 V (3F + N) 400 V (3F + N) 400 V (3F + N) 400 V (3F + N) 400 V (3F + N)

Electrical connection (50 Hz) V 230 V (1F + N) 230 V (1F + N)

Sound level (at 5 m) dBA 55 - 58 55 - 58 55 - 58 55 - 58 55 - 58 55 - 58 57 - 60

Weight kg 24 25 26 26 28 30 34

3.2 Dimensions

The dimensions of this air heater can be found in ﬁgure 1.

Figure 1 - Dimensions of the EH

Model(s) EH5 - EH30 EH40

A 570 650

B 490 490

C 390 530

D 125 125

E 420 490

F 380 490

G 140 100

H 280 380

I 230 325

J 195 245

K 420 420

4 Installation

4.1 Preparation

Before installation, please use the data badge to check:

• if the heater is in accordance with the order;

• if the heater is suitable for the local present

provisions (electrical supply etc.)

Before leaving the factory, the air heater has been tested

for safety and has been set to the operating settings. It has

been conﬁgured for the voltage that is stated on the data

badge. Should there be any doubt about the settings that

apply to your situation, please contact your supplier.

4.1.1 Standards

NOTICE The installation must comply with all applicable

local and national standards.

NOTICE The air heater must be installed in accordance

with the relevant requirements of the Electrical

installation regulations and or other local regulations that

may apply.

4.2 Positioning the air heater

Keep the following requirements in mind when choosing a

location to install your air heater:

WARNING! Never install an air heater close to ﬂammable

materials.

• Keep sucient distance between the heater and

any obstructions. This is both for safety reasons

and to allow access for service and maintenance

(ﬁgure 2).

• Make sure the air ﬂow to and from the heater is

free from obstacles at least 5 metres in front of the

heater. Also make sure the air intake is free from

obstacles.

• Make sure enough space remains to open the door

of the air heater.

• Make sure the wall can support the air heater.

Figure 2 - Minimum clearances around the air heater

4.2.1 Suspension

Depending on the model of your air heater, two types of

wall support can be used:

Model(s) Wall support Art. Nr.

EH5 - EH40 Wall support GA8610

EH5 - EH40 Design console GA8630

Figure 3 - Wall support

7INSTALLATION MANUAL AIR HEATER TYPE EH

Figure 4 - Design console

Figure 5 - Design console (min. 45o)

Model(s) A B C D

EH5 - EH30 795 380 280 745

EH40 845 490 380 795

The air heater is equipped with threaded sockets to

suspend the unit (see §10).

Figure 6 - Vertical suspension kit

• Use the suspension kit that is compatible with your

air heater. The suspension kit is not delivered with

the air heater. Contact your supplier.

4.3 Electrical connection

The electrical installation must comply with local and

national requirements as well as IEE regulations.

4.3.1 Power supply

The air heater requires an earthed power supply of 400 V/

AC (Three phase).

A supply of 230 V/AC + Neutral (1 Phase) is OPTIONAL

FOR THE EH5 and EH10 ONLY. The control circuit is a two

wire low voltage bus communication.

Figure 7 - The air heater's connection clamps

4.3.2 Fuse

One fuse is present on the air heater’s control board (see

the electrical wiring diagram in §11).

• When replacing this fuse, always use one of the

same type (5AT).

4.4 Room thermostat

The heater can only be controlled with one of the following

room thermostats:

• The MTS: a modulating digital thermostat.

• The MTC: a modulating digital clock thermostat

with optimiser.

• Interface module; a specially designed interface

module for BMS systems. Contact your supplier for

more information.

• ON/OFF thermostat: a simple on/o thermostat.

4.4.1 Installation requirements

Following these requirements when placing the thermostat

to ensure the heater functions correctly:

• Make sure that air can circulate around the

thermostat.

• Make sure the sun does not shine directly upon the

thermostat.

• Do not place the thermostat on a cold wall.

• Place the thermostat on an inner wall free from

draught.

• Never place the thermostat within the throw of the

heater.

• Never mount the thermostat near the aerials of

internal communication networks. These emit

radiation that can disturb the thermostat. Keep

several meters distance.

In all cases, the communication between the heater

and the thermostat is based on a two wire, low-voltage

connection. (see the electrical wiring diagram in §11).

Follow these instructions to prevent malfunction of the

installation and damage to the thermostat or air heater:

• Use a cable with the following speciﬁcations:

–Signal cable.

–Shielded and twisted.

–Minimum dimensions: 1 x 2 x Ø0,8 mm2.

–Maximum length: 200 m.

CAUTION! Keep the thermostat cable separated from the

mains cables.

CAUTION! Connect the cable’s earth shield only to the

earth terminal inside the air heater. Do not connect the

other end of the cable’s earth shield.

NOTICE A cable with a thickness of less than 0.8 mm will

result in a poor signal.

NOTICE A cable that is not shielded and twisted may

result in a disturbed communication in an EMC-unfriendly

environment.

4.4.2 Modulating room thermostat installation

To connect the air heater to an MTS or MTC thermostat, do

the following:

1. Connect the two control wires to terminals 4 and

5 (see ﬁgure 8 or the electrical wiring diagram in

§11).

2. Set the S1 and J14 switches on the control unit as

follows (ﬁgure 9 and 10):

a. Set S1 to 1.

b. Set J14 to 1.

9INSTALLATION MANUAL AIR HEATER TYPE EH

NOTICE The air heater must be switched o when setting

the switches. Otherwise the settings will have no eect.

Figure 8 - Modulating thermostat connection

1 2 3 4 5 6 7 8

1 0

S1 J14

Figure 9 - Positions of the S1 and J14 switches

Figure 10 - Location of the S1 and J14 switches

4.4.3 Installation of multiple heaters on one control unit

An MTC or MTS room thermostat, or interface module can

control up to 8 air heaters. To connect the air heaters, do

the following (ﬁgure 11):

NOTICE This functionality does not apply to an ON/OFF

thermostat.

1. Connect the two wires of the thermostat to termi-

nals 4 and 5 of the ﬁrst air heater.

2. Connect the ﬁrst air heater to the second air heater.

3. Repeat for each subsequent air heater.

PE L5

N 5

22°C

PE L

123...8

22° C

Neutal

4 5

Neutal

4 5

Neutal

4 5

1 2 3 4 5 6 7 8

1 0

1 2 3 4 5 6 7 8

1 0

S1 J14

1 2 3 4 5 6 7 8

1 0

Figure 11 - Connection of multiple air heaters to a

modulating room thermostat

Each air heater needs an unique number to be recognised

by the room thermostat. This number can be set with the

J14 switch on the control unit of each air heater:

1. Set the S1 and J14 switches on the control unit as

follows (ﬁgure 12):

a. Set the S1 switch of the ﬁrst air heater to 1.

b. Set the S1 switch of the other air heaters to 0.

c. Set the J14 switch of the ﬁrst air heater to 1.

d. Set the J14 switch of the second air heater to

2, etc.

1 2 3 4 5 6 7 8

1 0

S1 J14

1 2 3 4 5 6 7 8

Figure 12 - Positions of the S1 and J14 switches for the

ﬁrst three air heaters in a system

NOTICE If the J14 switch of more than one air heater is

set to the same number, the system will not work.

NOTICE The air heater must be switched o when setting

the switches. Otherwise the settings will have no eect.

4.4.4 ON/OFF thermostat installation

To connect the air heater to an ON/OFF room thermostat,

do the following:

• Connect the two thermostat wires to terminal 6 and

7 (see ﬁgure 14 or the electrical wiring diagram in

§11). This is a 24 V connection for the thermostat

signal.

Figure 13 - ON/OFF thermostat connection

NOTICE Never combine these connections with the

terminals 6 and 7 of other air heaters.

NOTICE Always use separate relays for each air heater.

NOTICE Do not connect an external power source to

these terminals. These terminals need a dry contact.

5 Operating the air heater

5.1 Minimum operating time

The heater will always run for a minimum of 30 seconds,

even if the heat demand stops. This is to avoid large

amount of starts and stops.

After this, the fan will run for 2 - 3 minutes to cool down,

depending on the temperature.

When the cooling time has passed, a new heat request will

be granted.

5.2 Delta-T-regulation

The air heater can function as a de-stratiﬁcation fan. This

is called delta-T regulation and it is done via the room

thermostat, with a temperate measurement sensor that is

located on the air heater.

The system fan is activated when the temperature-

dierence between the sensor on the heater (the delta-T

NTC sensor) and the sensor in the thermostat is bigger than

8oC (standard factory setting). This procedure ensures an

even distribution of temperature throughout the building,

thus acting as a fully automatic de-stratiﬁcation fan.

5.2.1 Switch o delta-T-regulation

Delta-T regulation can be switched o when it is not desired

(e.g. when it causes discomfort). This can be done in the

Settings menu on the room thermostat. See the user manual

of the special Room thermostat for more information.

NOTICE Delta-T regulation is automatically switched

o when the delta-T sensor (sensor terminal J6) is

disconnected.

5.3 Summer ventilation

The fan can be set to run in the summer. Follow the instructions

in the user manual of the special Room thermostat.

5.4 Overheating protection

The air heater's heat exchanger and ﬂue system are both

protected from excessive temperatures.

5.4.1 Heat exchanger

An NTC sensor is located near (or on) the heat exchanger.

This sensor monitors the heat exchanger temperature.

If the heat exchanger becomes too hot, this sensor will

cause the heating process to stop. Depending on the

temperature, the air heater performs the following actions:

• Step 1: Power reduction (when possible).

• Step 2: Burner stop, followed by an automatic

restart when cooled down (thermostat display).

• Step 3: Burner stop, followed by a Lock Out. A

manual reset is required. (thermostat display).

NOTICE A manual reset can be done on the electronic

circuit board or remotely with the special room thermostat.

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