50
51
(unit: inch)
Dimensional outline drawing
N-063
(1) Open the hot water supply valve, and check that the combustion indicator comes on, and that hot
water is provided. (If necessary, repeat until the air in the gas piping is bled out).
* If error "11" is indicated, turn the Operation switch off and turn it on again, and open the hot water
plug once more.
(2) Adjust the temperature setting on the remote control and confirm that the water temperature changes.
If the water heater does not operate normally, refer to "Troubleshooting" in the Operation Manual.
* After the trial operation, clean the filter on the inlet.
10.
Trial operation
After installation, test the equipment to confirm the
water heater works properly.
Handling after trial operation
Drain the water for freeze prevention, and close the gas valve and water supply valve.
Make sure to drain the water, unless the unit will be used immediately. This is to prevent the
water from freezing and the water heater from being damaged. Follow the instructions in the
Owner’s Manual.
(Freezing is not covered by the warranty.)
Preparation ........... (1) Open the shut off valve on the water supply, check that water passes through
the valve and close the valve.
(2) Open the gas supply valve, turn on the power supply, and turn on the Opera-
tion switch on the remote controller (the Operation lamp turns on).
Caution
Lighting Instructions
This water heater does not have a pilot. It is equipped with an ignition device that automatically lights
the burner.
Do not try to light the burner by hand.
1. Read the safety information in the installation manual or on the front of the water heater.
2. Turn off all electrical power to the unit.
3. Do not attempt to light the burner by hand.
4. Turn the gas control manual valve (external to the unit) clockwise to the on position.
5. Wait five minutes to clear out any gas. If the smell of gas remains, stop, and follow the instructions on
page 2 of this manual.
6. Turn the gas control manual valve counterclockwise to the on position.
7. Turn on electric power to the unit.
8. The unit will now operate whenever hot water is called for. If the unit will not operate, follow the
shutdown instructions and call a service technician.
Shutdown Instructions
1. Stop any water demand.
2. Turn off electric power.
3. Turn the gas control manual valve clockwise to the off position.
2.2
1.6
10
7
4.3
1.5
1.6
3.8
COLD WATER INLET
3/4 in. NPT
HOT WATER OUTLET
3/4 in. NPT
GAS INLET 1/2 in. NPT
20.5
1.7
1.9
PRESSURE RELIEF VALVE
21.3
19.2
7-
φ
0.3HOLE
0.4
0.4
2.4
4.7
3.3
COLD WATER INLET
HOT WATER OUTLET
WATER DRAIN VALVE
AIR INLET
3-
φ
0.3HOLE
HOLE FOR APPLIANCE INSTALLATION
0.4
1.2
4.7
6.7
2.6
AIR INLET
GAS INLET
ELE. WIRE OUTLET
1.9
EXHAUST PIPE
FITTING PART
13.1
13.8
HOLE FOR APPLIANCE INSTALLATION
φ
4
0.4
13.3
3.2
ELE. WIRE OUTLET
(FROM TOP SIDE VIEW)
BOTTOM OF CASE
BOTTOM OF CASE
Содержание N-063
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