How To Install Electric Home Shower; Before Installation; How To Install - Panasonic DH-4NS3 Operating Instructions Manual

HOW TO INSTALL ELECTRIC HOME SHOWER

• Proper size of Flexible Cord and electric wiring must be installed to avoid smoke emission and fire hazards.
• During installation process make sure electric and water supply is turn "OFF".
• 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.
The Unit must be earthed.
Improper grounding could cause electric shock.
• Never install Filter Body Assembly at the outlet, inlet water cannot be filtered and allows
foreign particles to enter the Unit. It will cause Heater Unit and Shower Head to clog up.
• Do not install, remove and reinstall the Unit by yourself.
Improper installation will cause leakage, electric shock or fire. Installation and wiring must be
done by competent personnel.
• Do not share the inlet and outlet pipe of the Home Shower Unit with other outlets.
The pressure may drop due to water being drawn off at other point. The shower temperature
may become very hot.
• Flexible Cord must enter the Unit thru designated point only (do not make additional holes).

1. BEFORE INSTALLATION

Make sure water flow pressure.
Min. water pressure 9.8 kPa / 0.1 kgf/cm² / 1.42 psi (DH-4NS3)
4.9 kPa / 0.05 kgf/cm² / 0.71 psi (DH-4NP1 & DH-4NTP1)
Max. water pressure 380 kPa / 3.87 kgf/cm² / 55 psi
• How to measure the water pressure as illustrated. Water should come out of the Hose 2.0 m
above the Main Water Valve.
Note: When removing the Unit from package, some water may be found inside.
This is normal as the Unit is tested during the manufacturing process.

2. HOW TO INSTALL

WARNING
During installation process make sure electric
and water supply is turn "OFF".
1. Where to install the Unit.
• Be sure to install the Unit on the wall as illustrated in
Figure 1 (vertical position with the water fittings
pointing downward).
• Do not install the Unit away from wall surface as
shown in Figure 2.
• The Unit must be installed at 1.5 m - 1.7 m above
the floor.
2. How to remove the Front Plate
① Make sure the Power / Temperature Control Knob
is at "Off" condition.
② Remove the Screw at the bottom of the Unit.
③ Lift up the Power / Temperature Control Knob to
make it free (Power / Temperature Control Knob
is attached to "VR Shaft" inside the Unit). Make
sure the Power / Temperature Control Knob is not
detached from the Front Plate.
④ Remove the Front Plate by lifting up the bottom
side and then unhook the top side.
WARNING
CAUTION
Cold Water
Tank
Service Valve
Off High
ELB
ELB Test
Push On-Off
ELB Reset Push Up
DH-4NS3
1.5 m -
1.7 m
For DH-4NP1 & DH-4NTP1
①
Off High
ELB
Off High
ELB Test
ELB
Push On-Off
ELB Reset
Power / Temperature
Push Up DH-4NS3
Control Knob
- 8 -
Water Outlet
Main Pipe Rising Level
33 ft (10 meter) maximum
recommended height between
bottom of cold water tank and
top of Home Shower Unit.
* Maximum total length
of feeding pipe should
be below 10 meter.
1.5 m -
* The feeding pipe
1.7 m
should be 1/2 inch.
For DH-4NS3
Note
③ Power / Temperature Control Knob attached to
Front Plate.
Power / Temperature
Control Knob
④
Lift up
Screw
②
Off High
ELB
ELB Test
Push On-Off
Push Up ELB Reset Water
DH-4NS3
Volume
Knob
Water Inlet
2.0 m
Figure 1
Off High
ELB
ELB Test
Push On-Off
Push Up ELB Reset
DH-4NS3
Figure 2
Front Plate