Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 105

ELECTRICAL AND CONTROL SETTINGS
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DSW5: Additional setting 3
In the cases where the outdoor unit is installed into a location where its own outdoor ambient temperature sensor can not give a
suitable temperature measurement to the system, it is available the 2nd outdoor ambient temperature sensor as accessory. By
means of DSW1&2 setting, the preferable sensor for each circuit can be selected.
Factory setting
Outdoor unit sensor for circuits 1 and 2
Outdoor unit sensor for circuit 1; Auxiliary sensor for circuit 2
Auxiliary sensor for circuit 1; Outdoor unit sensor for circuit 2
Auxiliary sensor instead of outdoor unit sensor for both circuits
Use the maximum temperature value between T
water control
4-20 mA setting temperature for RASM-(4-6)(V)NE and RWH-(4.0-6.0)(V)NF(W)E (Only manual operation)
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DSW6: Not used
Factory setting
(Do not change)
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DSW7: Additional setting 4
Factory setting
Compatibility with ATW-RTU-04 (When cooling mode operation is needed) (Except YUTAKI S 80)
Integrated DHW tank version (YUTAKI S80 only)
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DSW8: Not used
Factory setting
(Do not change)
91 PMML0575 rev.2 - 03/2022
(boiler / heater thermistor) and T
wo3
(water outlet thermistor) for
wo