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Installation and Operating Instructions
CHAPTER 1
GENERAL INFORMATION
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DANGER
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DANGER
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WARNING
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CAUTION
ATTENTION
Product name
Power max .
(kW)
AIR1 XC electrical auxiliary heater
1.6
AIR1-ENH XC 500
AIR1-ENH XC 700
2.3
AIR1-ENH XC 1400
4.5
AIR1-ENH XC 2200
7.05
AIR1-ENH XC 3200
10.5
AIR1 XH electrical auxiliary heater
AIR1-ENH XH 1000
2.6
AIR1-ENH XH 1500
3.9
AIR1-ENH XH 2500
6.6
AIR1-ENH XH 3500
9.6
AIR1-ENH XH 4500
12.9
AIR1-ENH XH 5500
17.7
21.0
AIR1-ENH XH 7000
AIR1-ENH XH 8500
22.0
Electrical auxiliary heater AIR1-ENH
1 .0
Important information
In order to ensure safety and correct operation and for your own safety, please read and observe the following inst-
ructions carefully before proceeding. Important information on filter changes and necessary cleaning and maintenance
activities is specified in the maintenance section. Filter changes are usually carried out by the user. Further cleaning and
maintenance work may only be carried out by qualified electricians. The chapter "Installation and commissioning" with
important installation information and basic unit settings is intended for the specialist installer.
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The electrical connection must be fully isolated from the mains power supply until final assembly!
This unit is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction con-
cerning use of the unit by a person responsible for their safety . Children should be supervised to ensure that
they do not play with the unit .
The planning office provides the planning documents necessary for system calculations. Additional information can be
requested ex works. Keep the installation and operating instructions with the unit for reference. The document must be
handed to the operator (tenant/owner) after final assembly.
1 .1
Warning and safety instructions
The adjacent symbol is a safety-relevant prominent warning label . All safety regulations and/or symbols must be
absolutely adhered to, so that any dangerous situation is avoided .
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DANGER
Indicates dangers which will directly result in death or serious injury if the safety instruction is not followed.
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WARNING
Indicates dangers which will result in death or serious injury if the safety instruction is not followed.
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CAUTION
Indicates dangers which can result in injuries if the safety instruction is not followed.
ATTENTION
Indicates dangers which can result in material damage if the safety instruction is not followed.
1 .2
Warranty claims – Exclusion of liability
If the preceding instructions are not observed, all warranty claims shall be excluded. This also applies for liability claims
against the manufacturer.
The use of accessories, which are not recommended or offered by Helios, is not permitted. Any possible damages are
not covered by the warranty.
1 .3
Area of application – Intended use
The electrical auxiliary heater is exclusively intended as an accessory for ventilation units in AIR1 series XC, XH or RH.
The intended use also includes observance of the operating manual as well as the inspection and maintenance intervals
stipulated by HELIOS.
Any use other than the intended use is prohibited!
1 .4
Functional description
The electrical auxiliary heater is used to increase the supply air temperature depending on the determined room tem-
perature.
The power outputs and weights of the electrical auxiliary heating are shown in the following tables.
Power
Phases
consumption
max . (A)
7
1
3.3
3
6.5
3
10.2
3
15.2
3
3.8
3
5.6
3
9.5
3
13.9
3
18.6
3
25.5
3
30.3
3
31.8
3
Operating
Frequency
voltage (V)
(Hz)
230
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
400
50
2
Weight (kg)
Protection
class (w/o
rain repellent
roof)
1.1
-
1.9
-
3
-
3.6
-
6.7
-
5.5
-
7
-
10
-
12.5
-
15
-
17
-
19
-
20
-
EN
protection
class (with
rain repellent
roof)
-
-
-
-
-
-
-
-
-
-
-
-
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