2
Cooling register AIR1-KR DX
Installation and Operating Instructions
EN
1�1 Important information
In order to ensure correct operation and for your own safety, please read and observe the following instructions care-
fully before proceeding. Important information and necessary cleaning and maintenance activities is specified in the
maintenance section. The 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 spe-
cialist 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�
Keep the installation and operating instructions with the unit for reference. The document must be handed to the ope-
rator (tenant/owner) after final assembly.
1�2 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�3 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�4 Area of application – Intended use
The cooling register 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�5 Functional description
The cooling registers AIR1-KR DX are designed for external installation on the supply air spigots of the respective AIR1
unit. External cooling registers are used to reduce the supply air temperature.
The cooling register AIR1-KR DX is no replacement for an air conditioning system!
1�6 Technical Data
– The capacity of the cooling register can be calculated using the following parameters:
Possible liquid: R410A, R404A, R407C, R134a, R32
Evaporating temperature: 6 °C
Condensation temperature: 46 °C
Overheating temperature: 5 °C
Subcooling temperature: 3 °C
– The technical data of the cooling register are shown in the table below:
Product name
Weight (w/o
liquid)
Filling
capacity
(l)
max� opera-
ting pressure
(bar)
Protection
category IP
(without
cover)
Protection
category IP
(with
cover)
Voltage (V) Mains
frequency
(Hz)
Electrical
power (W)
AIR1-KR DX XC 500 R
23
0,9
41
31
-
230
50
15
AIR1-KR DX XC 500 L
23
0,9
41
31
-
230
50
15
AIR1-KR DX XC 700 R
36
1,1
41
31
-
230
50
15
AIR1-KR DX XC 700 L
36
1,1
41
31
-
230
50
15
AIR1-KR DX XC 1400 R
43
1,7
41
31
-
230
50
15
AIR1-KR DX XC 1400 L
43
1,7
41
31
-
230
50
15
AIR1-KR DX XC 2200 R
62
2,6
41
31
-
230
50
15
AIR1-KR DX XC 2200 L
62
2,6
41
31
-
230
50
15
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
ATTENTION
ATTENTION
