Panasonic DH-3MS1 Operating Instructions Manual page 19

3. How to fix Electric Home Shower.
① The distance of the Unit should be more
than 250 mm at right and left of the wall.
② Make 4 holes at the wall by means of a drill
(refer Figure 1).
③ Drive a Wall Plug into the hole.
④ Lead the Flexible Cord to the set thru Portion 1 or 2 as shown below for electric wiring process.
Portion 1
④
Portion 2
⑤ • Mount the Unit on the wall with 4 screws.
• Drive each Screw into the two upper Wall Plugs through
the screw holes on the Back Plate.
• After tighten up the two upper Screws, tighten up the
remaining two Screws.
⑤
Wall
Wall Plug
4. Electric wiring
Proper size of Flexible Cord and electric wiring must be installed to avoid smoke emission and
WARNING
fire hazards.
The home shower must be permanently connected to the electric supply through the ON/OFF
DP (double pole) Switch having a contact separation of at least 3 mm in all poles incorporated
WARNING
in the fixed wiring. This switch must be clearly identifiable but out of reach of a person using
a fixed bath or shower.
① Lead the Flexible Cord connected to ELB terminal
inside the Unit: 2.5 mm², 3 core Flexible Cord.
Flexible Cord 2.5 mm², 3 core
Earth
ON/OFF DP
(double pole) Switch
Miniature Circuit
Breaker (MCB)
Bath Room
③ Connect wires in correct polarity (L,N).
• Connect the wires in wrong polarity (L,N) causes an abnormal condition which may lead to
electric leaking, burning, etc.
• Before wiring, please check polarity (L,N) with voltage range of a tester or voltmeter by
connecting one terminal of the meter to earth while the other to one of the Power Supply terminals.
• When the needle of the meter deflects greatly, the polarity of the Power Supply terminal is 'L'.
①
Wall
250 mm
minimum
Portion 1 Portion 2
CAUTION
Back Plate
Screw
② Unscrew the Cord Holder and fix the Flexible Cord. Strip
the lead wire (coating). Fasten the live wire (L) and neutral
wire (N) to the ELB (L,N) and earth wire to the Ground Point
with 1 N•m (10 kgf.cm) torque. Fix back the Cord Holder to
its position to clamp the Flexible Cord.
L N
1 N•m
- 19 -
135 mm
Wall
Screw
Ø6 mm
Screw
15 mm
126 mm
250 mm
171.7 mm minimum
Figure 1
L N
Flexible Cord must enter the Unit thru
designated point only (do not make
additional holes).
⑥ Please ensure the set fixed tightly on wall by shaking
it left and right.
Note: The Back Plate must be mounted with 4 Screws.
Ground
Point
L N
L N
L N
ELB Terminal
25 mm
②
Wall Plug
③
Back Plate
⑥
Wall
Wall Plug
Cord Holder
5 mm
85 mm
L
N
Flexible
110 mm
13 mm
Cord
Main Power Board
Earth
Power-Supply
Terminals
Tester