5.7 Electrical Connection
The CONTROL 701 must be connected to an external
mains electricity supply at 230 V ± 10 % (50-60 Hz). The
connection is made at the L/ N/ PE clamps (see connec-
tion circuit board diagram 2).
Outputs 1 – 14 are each 230 Volt outputs. Their users are
connected to clamps A1 to A14.
Outputs 15 and 16 are voltage free outputs. Output 15
should be connected to clamps U1A/ U1M/ U1B. U2A/
U2M / U2B are where the user of output 16 is connected.
When outputs 15 an 16 are not activated, contact M-A is
open and contact M-B is closed.
Should the voltage free output have a 230 V output, the
operating voltage for outputs A15 and A16 can be a-
chieved using a bridge from clamp LS to U1M or U2M.
If a modulated input signal boiler is connected, it should
be connected to clamps U (0 – 10V) and GND.
The temperature sensors are connected to clamps F1 to
F16. The polarity of the temperature sensor connections is
open to choice. To prevent damage to the collector sensor
from being struck by lightening, a high voltage protection
for the installation is recommended (Art.-N
o
. RE500).
Clamps D1 and D6 are where the digital inputs are to be
connected.
ADVICE ON ELECTRICAL INSTALLATION GUIDELINES:
The relevant electrical installation guidelines must be
followed. The temperature sensor cables carry a low
voltage and must not be laid in the same channels as
other cables carrying voltages higher than 50V.
NOTE ON CONNECTION LAYING:
The connections should be made following the Regula-
tor Connection Information given in paragraph 4.
ADVICE ON SENSOR FAULTS:
If there is a faulty sensor and the flashing display pre-
vents setting the regulator, the sensor fault notification
can be overridden for 5 minutes by pressing "+" and "-
".
ADVICE ON POSITIONING THE COLLECTOR SENSOR:
The collector sensor should be fitted to the furthest pos-
sible absorber plate, so that it is also exposed to the in-
solation. Incorrect positioning of the collector sensor
can lead to inexact temperature measuring in the col-
lector and to a malfunction of the regulator.
If an immersion casing is used a good contact between
the sensor and the casing must be ensured. In must
cases using heat conducting paste is recommended. On
no account should the collector sensor be fitted outside
the collector.
