● The weight of the device will be applied to the wall. If the strength of the wall is not sufficient, reinforcement
must be done to prevent the transfer of vibration.
●
Do not drop or apply unnecessary force to the device when installing. Internal parts may be damaged and
may become highly dangerous.
●
Install the unit on a vertical wall and ensure that it is level.
Be sure to do
Location of Screw Hole
Locating Screw Holes
Check
4. Drill holes for the remaining four screws.
Use wall anchors if necessary.
5. Hang the unit again by the first screw, and then insert and tighten
the remaining four screws.
6. Take waterproofing measures so that water does not enter the
building from screws mounting the device.
• Make sure the unit is installed securely so that it will not fall or
move due to vibrations or earthquakes.
1. Drill a single screw hole, making sure to hit a stud.
2. Insert and tighten the screw and hang the unit by the upper
wall mounting bracket.
3. Determine and mark the positions for the remaining four
screws (two for the top bracket and two for the bottom), and
remove the unit.
Locating Screw Holes
Mounting
Structure
•
When installing with bare hands, take caution to not inflict injury.
• We recommend using gloves.
• Be careful not to hit electrical wiring, gas, or water piping
while drilling holes.
Item
CAUTION
Illustration
Mounting Bracket
(upper)
Anchoring
Screws
Anchoring
Screws
Wall
Anchors
4. Installing the System Controller
Securing to the wall
This appliance must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National
Electrical Code, ANSI/NFPA 70. In Canada, the latest CSA C22.1 Electrical Code.
Caution:
Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous
operation.
Verify proper operation after servicing.
Field wiring to be performed at time of appliance installation.
Electrical Wiring
Consult a qualified electrician for the electrical work.
- Do not connect electrical power to all water heaters and system controller (do not turn ON
the power supply) before all electric wiring is completed. Otherwise, electric shock or failure
of the water heater and system controller may occur.
- If a remote controller cord is not connected, there is a case that unexpected temperature
flows out. So check it is surely connected.
- Be sure to tighten the screw to the terminal block manually and do not use an electric
screwdriver or impact driver. Otherwise, the terminal block may be damaged.
CAUTION
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