Rinnai RU180iN, Installation And Operation Manual

Page: 13 / 36

V53De Manual 13
Connect Electricity
Do not rely on the gas or water piping to ground the
water heater. A screw is provided in the junction box
for the grounding connection.
The water heater requires 120 VAC, 60 Hz power from
a properly grounded circuit.
A disconnect switch must be provided and installed
for the incoming 120 VAC power. It should be a type
that is suitable for outdoor use. Check the National
Electrical Code, ANSI/NFPA 70, or the Canadian
Electrical Code, CSA C22.1, and your local codes for a
proper switch type to use in your area.
The wiring diagram is located on the Technical Sheet
attached to the inside of the front cover.
WARNING / AVERTISSEMENT
Do not use an extension cord or an adapter plug with
this appliance.
The water heater must be electrically grounded in
accordance with local codes and ordinances or, in the
absence of local codes, in accordance with the
National Electrical Code, ANSI/NFPA No. 70.
Checklist for Gas and Electricity
□
A manual gas control valve is placed in the gas
line to the water heater.
□
Check the gas lines and connections for leaks.
□
Confirm that the gas inlet pressure is within
limits.
□
Confirm that the water heater is rated for the gas
type supplied.
□
Confirm that the electricity is supplied from 120
VAC, 60 Hz power source and is in a properly
grounded circuit.
□
An extension cord or an adapter plug has not
been used with the water heater.
Adjust for High Altitude
On the Dip switch es , set switches No. 2 and No. 3 to
the values shown in table below for your altitude.
The default setting for the appliance is 0
- 2000 ft
(0 - 610 m) with switches No. 2 and No. 3 in the OFF
position.
When the Dip switch is adjusted, it is not necessary to
adjust the gas pressure setting for high altitude.
Altitude
Switch
No. 2
Switch
No. 3
0 - 2000 ft (0 - 610 m) OFF OFF
2001 - 5200 ft (610 - 1585 m) OFF ON
5201 - 7700 ft (1585 - 2347 m) ON OFF
7701 - 10200 ft (2347 - 3109 m) ON ON
Dip Switch
Location
Switch Functions
SW1 No Function
SW2 High Alt.
SW3 High Alt.
SW4 Gas ON/OFF
From Disconnect
Inside the appliance
To PCB
Field
Application
Factory
Connected