Particular Features Of Hcw 82; Operation; Limiting The Adjustment Range; Operation With An External Power Source - Honeywell HCW 82 Installation And Operation Manual

3. Particular features of
HCW 82
3.1.

Operation

The room setpoint temperature can be set easily at the
setpoint adjuster HCW 82 by means of an adjustment dial.
The adjustment range amounts to ± 12 °C, starting from the
basic value of 20 °C (in position 0).
Fig. 5: HCW 82
Select the desired change of the preset temperature at the
►
adjustment dial (1) (see Fig. 5)
3.2.

Limiting the adjustment range

You can limit the setting range that can be used at the
adjustment dial.
Remove the housing cover (see Fig. 1, Page 7).
►
Fig. 6: Limiting the adjustment range
Place the two small pins into the holes of the adjustment
►
dials in order to limit the adjustment range (see Fig. 6).
Orientate yourself on the basis of the inner scale:
In Fig. 6, the pins are inserted so that the adjustment dial
can only be adjusted by ±3 °C around the zero point.
Turn the adjustment dial clockwise until it stops.
►
Check whether the adjustment dial is in the position shown
►
in Fig. 5.
If appropriate, put the adjustment back in, rotated by 180°
►
until it has the position shown.
Turn the adjustment dial to Position 0.
►
Place the housing cover in position above and snap it
►
down (see Fig. 4).
.
(settings on the scale in °C)
3.3. Operation with an external power
source
In addition to battery operation, the setpoint adjuster
HCW 82 is also prepared for operation with an external
power source.
WARNING
Damage to the device!
Use of an unsuitable power supply unit.
Use a power supply unit with 3 V DC
►
± 10%, min. 25 mA.
Keep the power supply unit de-
►
energised while connecting it.
Observe the connection diagram next
►
to the cable terminals.
Have a power supply unit with 3 V DC ± 10 %, min. 25 mA
►
at hand.
De-energise the power supply unit.
►
Remove the housing cover of the HCW 82 (see Fig. 1,
►
Page 7).
Remove the batteries.
►
Dispose of the batteries according to the
local statutory requirements and not with
the used domestic refuse.
Unscrew the setpoint adjuster HCW 82.
►
2
1
Fig. 7: Connection of the external power source (only HCW 82)
The maximum permissible cable length from the
power supply unit to the device amounts to
100 m. If possible, use a cable of the type JE-Y
(ST)Y 2x2x0.8 mm or JE-LIYCY 2x2x0.5 mm
Lead the outlet cable of the power supply unit through the
►
housing opening (1) (see Fig. 7) to the inside.
Connect the outlet cable to the terminal (2)
►
(see Fig. 7).
Connection 2: Earth
–
Connection 3: Voltage
–
Screw the setpoint adjuster HCW 82 back on.
►
Place the housing cover in position above and snap it
►
down (see Fig. 4).

Particular features of HCW 82

1 2 3
+ 3V
2
.
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