Hitachi ADVANCED COLOR PC-ARFH2E Manuel D'installation Et D'utilisation page 109

◆ Emergency Operation
Space Heating:
Enable or disable emergency operation for space heating.
Only available in case "Heating source" on
contains "Electrical heater or boiler" option.
Mode:
Selection of the emergency operation mode:
• Manual: Emergency operation is active when is manually enabled (by DSW4 pin 4 ON). The
emergency mode uses the heater (space heating or DHW) to provide the required heating.
• Automatic: Emergency mode operates when there is an event of outdoor unit failure and
Demand ON of space heating (enabled) or DHW (enabled).
PMEN0597 rev.1 - 06/2023
"1.18.7 Complementary Heating configuration"
Hot water tank:
Enable or disable emergency operation
for DHW. Only available when electrical
heater for DHW is enabled (by DSW).
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