18
Installation Instructions - Relay Box for Infrared Cabins
Installation
EN
NOTICE
Equipment damage due to improper installation
Additional modules with a safety temperature limiter can be
mounted in a cabin.
Connect the safety temperature limiter only to the relevant
module.
Never connect more than one safety temperature limiter to a
module.
Always connect the safety temperature limiter as an isolated
contact.
4.2.1 Installing an infrared emitter
WARNING
Fire hazard from overheating
Infrared emitters and heating foils without overheat protection
can lead to overheating of the cabin and fire. Flammable parts
must not exceed a temperature of 140°C when the unit is operated
as intended or in the event of a malfunction.
Install only infrared emitters or heating foils that are designed
and installed in such a way that they do not pose a fire hazard
when the unit is operated as intended. Alternately, infrared
emitters or heating foils with overheat protection as per EN
60335-2-53 may be used.
Install a safety temperature limiter if needed.
Observe the manufacturer's safety and installation instructions
for infrared emitters and heating foils.
Observe the cabin manufacturer’s safety and installation in-
structions.
You can connect multiple IR emitters to terminals IR-1, IR-2 and IR-3. Ensure
that the cross-section of the lines is sufficient.
The total output may not exceed 3.5 kW.
If terminals IR-1 and IR-2 together have a load of less than 2.3 kW, IR-3 can
accept a maximum switching load of up to 1.2 kW. In this case, the fuse at
Connection
Control
Max. load
Total output
IR-1
Dimmable
1.5 kW
Max. 3.5 kW
IR-2
Dimmable
1.5 kW
IR-3
Switchable
0.5 kW