Panasonic DH-4NS3 Operating Instructions Manual page 9

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:
Flexible Cord Entry Point
CAUTION
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.
4. Electric wiring
WARNING
WARNING
① Lead the Flexible Cord connected to ELB terminal
inside the Unit: 2.5 mm², 3 core Flexible Cord.
Earth 2.5 mm², 3 core Flexible Cord
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 and such.
• 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
WARNING
MUST BE
TIGHTENED
L N
Flexible Cord must enter the Unit thru designated point only
(do not make additional holes).
Back
Plate
⑤
Screw
Wall
Wall Plug
Proper size of Flexible Cord and electric wiring must be installed to avoid
smoke emission and 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 in the fixed wiring. This switch
must be clearly identifiable but out of reach of a person using a fixed bath
or shower.
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.
WARNING
MUST BE
TIGHTENED
L N
1 N•m
- 9 -
145 mm
Wall
Screw Ø6 mm
Screw
6.5 mm
72.5 mm
250 mm
200 mm minimum
Figure 1
Portion 2:
WARNING
MUST BE
TIGHTENED
L N
⑥ Please ensure the Unit fixed tightly
on wall by shaking it left and right.
Note: The Back Plate must be
mounted with 4 Screws.
Ground
Cord
Point
Holder
5 mm
WARNING
MUST BE
TIGHTENED
L N
WARNING
MUST BE
TIGHTENED
L N
L N
ELB Terminal
25 mm
②
Wall Plug
③
Back
Plate
⑥
Wall
Wall Plug
DH-4NS3
60 mm
L
N
Flexible
140 mm
13 mm
Cord
DH-4NP1 & DH-4NTP1
60 mm
L
N
Flexible
13 mm 70 mm
Cord
Main Power Board
Earth
Power-Supply
Terminals
Tester