English
2.1. Wall mounting
Attach the top wall bracket to the wall using dow-
els.
Fit the device on the top wall bracket and mark
2 holes for the locking mechanism.
Remove the device, make the holes and insert the
dowels.
Fit the device on the top wall bracket again and
screw on at the bottom.
4
3
1
Top wall bracket
2
Installation slot for smart module
3
Bottom wall bracket
4
Fixing hole for locking mechanism
3.
Electrical connection
The voltage specified on the type plate must match
the line voltage.
The cable must not be in contact with the casing.
It is recommended that a separate electric circuit be
provided for the power supply.
The device must only be repaired by a qualified elec-
trician in accordance with the applicable safety regu-
lations. Heating device must be earthed!
Connection may only take place on securely routed
cables!
A disconnecting device with a contact opening of at
least 3 mm at each pole (e.g. circuit breaker) must be
provided in the permanently installed wiring.
EN-4
3.1. Connection options
If central temperature reduction is to take place using
the pilot wire, device connection A should be used, if
not, device connection B.
1
2
If the black wire is not used, it must be connected to
an electrically insulated terminal and not to the power
supply.
Under no circumstances may the black wire be con-
nected to a ground connection or to the green/yellow
wire.
3.2. Commands via the pilot wire
Command
Comfort
Eco
Frost protection
Heating off
NOTE
For manual operation, the "Frost protection" and
"Heating off" commands have priority. This is indi-
cated by the word AUTO flashing.
NOTE
The "Frost protection" and "Heating off" commands
switch off the blower.
2302/A
Signal
Measurement against neutral
0 Volt
230 V
115 V (negative)
115 V (positive)
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TRP 150 X