A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

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The user menu parameters are:
Parameter Description Unit/Value Adjustable Range Default
001
Turn the water heater on or off.
OFF
ON
Yes
OFF
- water heater off (OFF
mode)
ON
- water heater on (ON
mode)
OFF
002
Setpoint ON mode ºC Yes
40
…max setpoint
(1)
65
003
Hysteresis ºC Yes
2
…
15 10
004
Turn setpoint EXT mode (
005
)
on or off.
ENA
dIS
Yes
ENA
- Enable
dIS
- Disable
dIS
005
(2)
Setpoint EXT mode ºC Yes
40
…max. setpoint
(1)
70
1 - The maximal setpoint (parameter
207
) is factory set at
70
. A qualified engineer can modify this
value.
2 - Parameter
005
will only be accessible when parameter
004
is set on
ENA
.
3.2 Status of the water heater
During operation, the display shows the status of the water heater.
3.2.1 Operating modes
The Innovo has 3 operating modes:
• OFF mode (see 3.2.1.1)
• ON mode (see 3.2.1.2)
• External ON mode (EXT mode) (see 3.2.1.3)
3.2.1.1 OFF mode
Use parameter
001
to switch the water heater to OFF mode.
In the OFF mode the water heater is de-activated. The display shows the characters
OFF
.
Fig. OFF mode display Fig. Frost protection is activated
To prevent that the water in the system freezes, the frost protection is activated when the
water heater is in OFF mode. The frost protection starts when the temperature of the
water drops below 5°C. The display shows the frost protection symbol.The water heater
will heat the water to 20°C and then turns back to OFF mode.
3.2.1.2 ON mode
Use parameter
001
to switch the water heater to ON mode.
In the ON mode the water heater continuously responds to the heat demand.
When the water heater is heating the water, the display on the operator interface
alternately shows two different screens. The first shows the actual temperature, the
second shows the setpoint temperature.
When the water heater is not heating the water, only the actual temperature is visible. The
symbols Heat demand and In operation will not be shown.
0312266_INNOVO_UKUK_ V5.1, 2022-07-12
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