Metro Therm SHK 200S, Installation And Operating Manual

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26 SHK 200S
SHK 200S-6
Temperature limiter (FD1) is accessible behind the
front cover. Temperature limiter is reset by strong
pressing of the button (FD1-SF2) using a small screw-
driver. Press the button, max. 15 N (approx. 1.5 kg).
Resetting
Cable blockade
Use an appropriate tool to release/block cables in the
internal module clamps.
The power supply is to be connected to clamp (X0) via
the input at the back of the unit. The cable must be di-
mensioned according to the applicable standards.SHK
200S / SHK 200S-6 must be connected to the power
supply 400 V as specifi ed on the clamp (X0).
Connection
Connections
IMPORTANT
In order to prevent interferences, do not lay unshield-
ed communication and/or signal cables to external
contacts at the distances lower than 20 cm from high
voltage cables.
Power supply connection
Temperature limiter
Temperature limiter (FD1) cuts off the power supply
of the electrical heating module if the temperature
increases to the range of approximately 98°C or de-
creases below -8°C, and can be reset manually.
FD1
FD1-SF2
Circuit breaker
The automatic heating control system, circulation
pump and their wiring in the SHK 200S / SHK 200S-6
are internally protected by an overcurrent switch (FA1).
The METROAIR L outdoor module and accessories
are internally protected in the SHK 200S / SHK 200S-6
by an overcurrent breaker (FA2).
IMPORTANT
In the case of the thermal fuse, please report it to an au-
thorized service facility to eliminate the possible cause.
Remove the
bridge for double
tariff control
X0
X1
FD1
FA2
FA1
K1A-K3A
X2
L3
L2
L1
L
N
N
A
MS10
400V 3N 50H
z N
PE
PE
N
L
3
2
X0
Chapter 6 | Electrical connections