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Installation and maintenance instructions Logalux ST400/3, 500/3, 750/3 and 1000/3 "US" • Issue 07/2005
We reserve the right to make any changes due to technical modifications.
DHW tank installation
6
z
Push the sensor holder clip (Fig. 8,
Item 1
) from the
side over the sensor well (Fig. 8,
Item 2
).
z
Route the sensor lead to the boiler or control panel
(Logamatic or SP34D control) and ensure the lead is
not strained. This lead must not be in contact with
any hot boiler parts.
6.4
Installing Honeywell Aquastat
z
Remove cover from Aquastat (Fig. 9,
Item 2
).
Slacken the hex bolt on the top.
z
Screw retainer (Fig. 9,
Item 6
) on Aquastat with two
self-tapping screws (remove existing fastener if
necessary).
z
Insert temperature capillary with clamping spring and
possibly blank spacers (Fig. 9,
Item 4
and
5
) fully
into the sensor well (
M
) (Fig. 9,
Item 3
).
z
Screw Aquastat (Fig. 9,
Item 2
) to DHW tank with
two self-tapping screws (Fig. 9,
Item 1
). First drill two
small holes in the cover beside the M1connection.
z
Replace cover in Aquastat.
Fig. 8
Installing the sensor holder clip
Item 1:
Sensor holder clip
Item 2:
Immersion well
1
2
USER NOTE
See the wiring diagram supplied for the
electrical connection of the temperature
sensor.
Fig. 9
Installing Aquastat
Item 1:
Self-tapping screws C-ST 4.2 × 13 mm
Item 2:
Aquastat
Item 3:
Sensor well (
M1
connection)
Item 4:
Temperature capillary
Item 5:
Clamping spring
Item 6:
Holder/retainer
1
2
3
4
5
6
WARNING!
RISK TO LIFE
from electric shock.
z
Before you work on the system:
Isolate the system from the electrical
system.
USER NOTE
Connect the electrical power and set the
temperature as shown in the manual
supplied with the Aquastat.