Lochinvar EcoShield SHW116-410CE, Installation, Commissioning & Maintenance Instructions

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18.4 PASTEURISATION FUNCTION (USING NIGHT SET BACK FACILITY)
THE PROCEDURE FOR A WEEKLY HIGH TEMPERATURE (70
O
C) PASTEURISATION IS AS FOLLOWS:

Access the installer menu (Down & Enter for 5 seconds).

Set parameter p02 to 15°C (this is a deduction from the pasteurisation temperature and can be reduced to 10°C if a 65°C storage
temperature is required instead of 60°C).

Set parameter p03 to 75°C (this is the maximum setpoint).

Exit the installer menu.

Access the user menu (Enter for 5 seconds)

Set parameter u02 to 75°C (this is the pasteurisation temperature)

Check that parameters u03 to u07 give the correct date and time.

Exit the user menu.

Access the setback function menu (Up & Down for 5 seconds).

Set the trigger values as follows:
Trigger Day Time
On 1 1 00:00
Off 1 1 23:59
On 2 2 00:00
Off 2 2 23:59
On 3 3 00:00
Off 3 3 23:59
On 4 4 00:00
Off 4 4 23:59
On 5 5 00:00
Off 5 5 23:59
On 6 6 00:00
Off 6 6 23:59
On 7 7 02:00
Off 7 7 23:59

Exit the setback function menu (Enter for 5 seconds)
This will cause the water heater to operate at the reduced temperature between 00:00 and 23:59 each day with the exception of Sunday morning
when the reduced temperature will not become active until 02:00 i.e. from 23:59 on Saturday night until 02:00 on Sunday the set point will be
75°C