Optional Functions - Hitachi RAS-H(V)RNME-AF Service Manual

7 Optional functions

Index
7.1. Indoor unit ........................................................................................................................................... 174
7.1.1. Floor screed drying function (circuits 1 & 2) ............................................................................................ 174
7.1.2. Automatic summer switch-off .................................................................................................................. 175
7.1.3. Pump and valve seizure protection ......................................................................................................... 176
7.1.4. DHW anti-legionella protection function .................................................................................................. 176
7.1.5. Tariff input (electrical tariff input) .............................................................................................................. 177
7.1.6. Electrical heater or boiler emergency mode ............................................................................................ 178
7.1.7. Step heater for 3-phase imbalance option ............................................................................................... 179
7.1.8. Hydraulic separator combination ............................................................................................................. 179
7.1.9. Secondary outdoor sensor accessory ..................................................................................................... 179
7.1.10. Indoor external output signals ................................................................................................................. 180
7.2. Outdoor units ....................................................................................................................................... 181
7.2.1. Available ports ......................................................................................................................................... 181
7.2.2. Configuration ........................................................................................................................................... 183
7.2.3. Description of optional output signals ...................................................................................................... 185
201
SMGB0070 rev. 1 - 08/2011
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O p t i o n a l f u n c t i o n s
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