Lambrecht rain[e]H3, User Manual

Page: 55 / 59

User Manual
Precipitation Sensor rain[e]H3 with Ethernet
Id-No. 00.15184.540 020
rain[e]H3 Precipitation Sensor Manual
15.2.1 Replacing the Heating Board
Tools required: Torque wrench with Torx bit Tx20 length 80mm, Torx wrench Tx10
Adjuvants: Loctite 274, Elastosil E41
In the case of damage to one of the components of the heating board, only the entire unit can be replaced eco-
nomically (Id-No. 37.15184.003000). (See also chapter “Equipment and Spare Parts”)
The set includes:
1x heating board mounted on bracket with spacer
2x Torx cylinder screw M4x16 (for mounting on sensor foot)
1x protective sheet
4x Torx cylinder screws M3x6
Open the housing as described and remove the protective cylinder. Pull the clamping connector toward the upper
heating and place the housing aside. Loosen all the wires from the clamps on the heating board by pressing the
white release buttons. (Press the button, pull out the cable).
Remove the heating plate cover by unscrewing the 4 Torx screws M3x6 using a Torx key size Tx10. Disconnect
the connector of the connection cable to the main board by pressing the removal lug.
Loosen the two Torx fixing screws on the old heating board. The drives of the two screws are filled with silicone.
The silicone can be easily removed.
Place the new heating board with the bracket on the two mounting holes.
Wet the screw threads of the new mounting screws with a drop of Loctite 274 and insert the mounting bolts into
the holes provided. Tighten the mounting bolts with a torque of 1.2 Nm. Then fill the drives of the two screws with a
drop of silicone rubber Elastosil E41. Reconnect the connection cable of the main board to the new heating board.
The plug snaps into place with a click. Screw the protective plate back onto the columns of the heating board.
Reconnect the previously released wires according to the following circuit diagram.
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PPCCBB ((HHeeaattiinngg))
HEATING (FUNNEL/RING)
HEATING (FUNNEL/RING)
HEATING (FUNNEL/RING)
HEATING (FUNNEL/RING)
TEMPERATURE SENSOR TOP - BK
TEMPERATURE SENSOR TOP - BN
TEMPERATURE SENSOR TOP - RD
TEMPERATURE SENSOR TOP - OR
+ IN 24 V DC
- IN 24 V DC
HEATING (DRAIN)
HEATING (DRAIN) I
II
2
1
CONNECTOR
MAINBOARD
a
b
c
d
e
f
g
h
BN
WT
BU
BK
1
2
3
4
+ IN 24 V DC
- IN 24 V DC
CONNECTOR, M12, T-coded
Zust. Änderungen Datum Name Dateiname
Ersatz für:
Blatt
Bl
Bearb.
Gepr.
Datum Name
Artikelnummer
Benennung
80.15184.000E02.idw
1 / 1
03.07.2017 FKrell
80.15184.000E02
Inneschaltung rain[e]H3
1
A4
(Englisch) Norm.
Revision
Carry out a functional test of the weighing unit and the heating, as described in the chapter “Functional Test”.
Be careful not to cant the protective cylinder with the cables between the load cell and the main board.
Close the housing as described.
55