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The interlock (safety) system is not closed
when delivered ex-factory!
In air conditioning, it is standard to incorpo
-
rate a max. hygrostat in the interlock (safety)
system. The max. hygrostat is used as a
safety feature in case of a malfunction of the
humidity sensor.
7.4 Full wiring diagrams
The device-specific wiring diagrams are
included in the scope of delivery. Please use
them for the installation and keep them in a
safe place.
7.5 Electrical installation check
list
Check electrical installation with respect to
customer-site requirements and local power
supply regulations.
Safety interlock properly wired across
terminals 1 and 2 of relay K21?
Supply voltage in accordance with
name plate voltage rating?
All ectrical connections made accor
-
ding to the wiring diagram?
R.h. sensor properly connected with
respect to signal type and range (Cli
-
mate applications only making use of a
r.h. sensor)?
Temperature sensor properly connec
-
ted (SPA applications only)?
All screw terminal connections properly
tightened?
Have all electrical cable and plug con
-
nections been properly tightened?
Proper unit gounding made?
Please note
