Hitachi RWM-(H)FSN3E, Руководство по обслуживанию

Страница: 214 / 424

7 Optional functions
SMGB0070 rev. 1 - 08/2011
204
7.1.3 Pump and valve seizure protection
The pump/valve seizure protection function helps to prevent these components sticking during long periods of inactivity.
Every week the components will run for a short period.
Mixing valves are fully opened and then fully closed (time depends on runtime parameter)
• Diverting valves are switched on for 1 minute.
• Pumps are switched on for 1 minute
CODE Description Default Value Range Steps Units
8-002 Seizure protection (00:OFF, 01: ON) OFF - - -
8-010 Operation Day Mon Mon~Sun - Day
8-011 Start Time (00~24) 01:00 (00~24) - Time
7.1.4 DHW anti-legionella protection function
In order to help protect against Legionella in the domestic hot water system, the DHW set-point can be raised to a higher
than normal temperature. The Legionella protection only makes sense if there is a DHW electric heater to raise the DHW
temperature to this high temperature.
N O T E
According to national regulation, the installer must configure this disinfection function field setting
Configuration parameters:
• Operation interval: day(s) of the week at which the domestic water should be heated
• Status: defines whether the disinfection function is turned ON (1) or OFF (0).
•
Start time: time of the day at which the domestic water should be heated
• Set-point: high water temperature to be reached.
• Interval: time period defining how long the set-point temperature should be maintained.
Anti-Legionella
temperature
set-point
DHW setting
temperature
Time
CODE Description Default Value Range Steps Units
8-004 Disinfection function status Disabled Disabled / Enabled - -
8-003 Operation Interval (Mon~Sun) Sunday Daily / Mon ~Sun - day
8-005 Start Time (00~24) 01:00 (00~24) - Time
8-006 DHW set-point 70 50~70 - ºC
8-007 Keeping period 10 10~60 - min
N O T E
• Tariff or DHW timer has no effect.
• When antillegionella function, it is shown in LCD (by ANTL sentence)