25
The available gas pressure affects directly the power output and can result in discomfort if not correct. If the gas pipe
sizing is insufficient the customer will not get the full performance benefit.
An approved gas isolation valve must be fitted at the gas inlet. A union or release fitting should be installed after the
isolation valve in case of emergency and for maintenance.
Fuel quality: the appliance is designed to operate with a pure gas, otherwise an appropriate filter must be installed on
the gas line to restore the necessary quality
LPG tank: inert gas residues (e.g. nitrogen, etc…) could remain inside new tanks resulting in a poor gas mixture and
could cause malfunction or product failure. The gases in the mixture could become stratified during storage, causing
the variation of the fuel calorific value and altering the appliance efficiency.
2.6.4 ELECTRICAL CONNECTION
Connect the appliance to a 230V ±10% / 50Hz power supply. . Do not use
water or gas lines to ground the system.
The electric safety is guaranteed only when the appliance is properly
grounded and the grounding system has been realized following all the
safety prescriptions provided for by law.
Make sure that the electric system is suitable for the maximum power
consumption (indicated on the data plate on the product side) and is provided
with a circuit breaker with overvoltage category III.
The appliance is equipped with power cord and plug: if the cable has to be
replaced contact qualified professionals and use original Rinnai parts only not to invalidate the warranty.
Do not use adaptors, multiple socket or extension cords.
The water heater complies with the following European directives:
- “Low voltage” directive;
- “Electromagnetic compatibility” directive.
The appliance is IPx5D rated.
2.6.5 CONTROL BOARD DIPSWITCH SETTING
Improper setting of the switches will cause the appliance to operate incorrectly
WARNING
The switches of the control board are set to
OFF
(left position) as default setting.
When a sideways flue diverter is fitted the installer must set switches
SW1
and
SW3
to
ON
(right
position).
When the appliance is installed in high altitude areas (>900m; <1800m) the installer must set
switches
SW2
and
SW4
to
ON
(right position).
Ground
Ground
SW1
(
OFF
)
SW2
(
OFF
)
SW3
(
OFF
)
SW4
(
OFF
)
1
2
3
4
DipSW
Factory default
ON
SW1
(
OFF
)
SW2
(
ON
)
SW3
(
OFF
)
SW4
(
ON
)
ON
1
2
3
4
DipSW
High altitude installation
(>900m & <1800m setting)
SW1
(
ON
)
SW2
(
OFF
)
SW3
(
ON
)
SW4
(
OFF
)
1
2
3
4
DipSW
Sideways flue diverter
ON
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