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ETO2
temperature alone. The sensor should be mounted
on the wall under the eaves on the north side of the
building.
Sensor cables:
ETOG and ETOR are supplied with 10 m cable,
which can be extended up to approx. 200 m using
standard installation cable: 6x1.5 mm² for ETOG and
4x1.5 mm² for ETOR (total resistance must not exceed
10 ohm). The ETF cable can be up to approx. 50 m in
length. Sensor cables must be installed in accordance
with current regulations. They must never be installed
parallel to power cables as electrical interference
may distort the sensor signal.
Thermostat installation, fig. 6
The unit should be DIN-rail mounted in an approved
panel.
Wall mounting:
For USA and Canada: The thermostat can be wall-
mounted in a specially designed and UL-approved
metal box (accessory).
Other: The included plastic cover can be used when
wall mounting in indoor area.
Connect supply voltage to terminals N and L. All
electrical and mechanical installation must be
performed in accordance with applicable local
regulations.
Setup:
Two sensors can be connected to the thermostat,
e.g. two ETOG in the same zone, one ETOG in each
of two zones (2-zone control), or two ETOR/ETF in
gutter or downpipe.
• 1-zone electric heating control with ETOG,
output relays 1, 2 and 3 (fig. 3):
Connect 2 (1) ETOG sensors to terminals 11-20.
Connect heating cable to output relays 1, 2 and 3
using terminals 3-8.
© 2010 OJ Electronics A/S
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