Status Of The Water Heater; Operating Modes - A.O. Smith Innovo IR 12-160 Installation, User And Service Manual

Parameter Description
Turn the water heater on or off.
001
Setpoint ON mode
002
Hysteresis
003
Turn setpoint EXT mode (005)
004
on or off.
Setpoint EXT mode
(2)
005
3.2
3.2.1
0312266_INNOVO_UKUK_V5.1, 2022-07-12
The user menu parameters are:
Unit/Value Adjustable
OFF
ON
ºC
ºC
ENA
dIS
ºC
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.

Status of the water heater

During operation, the display shows the status of the water heater.

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
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.
Range
Yes OFF - water heater off (OFF
mode)
ON - water heater on (ON
mode)
Yes 40...max setpoint
Yes
2...15
Yes ENA - Enable
dIS - Disable
Yes 40...max. setpoint
Fig. Frost protection is activated
Default
OFF
(1)
65
10
dIS
(1)
70
21