Hitachi RPC-1.5FSR Technical Catalogue page 23

z Cooling/Heating Auto Changeover Dual Setpoint Control
This function is utilized to change cooling and heating operation automatically (the same operation mode
for indoor units in the same refrigerant cycle) depending on both cooling setpoint and heating setpoint (dual
setpoint).
This is applicable only to the Heat Recovery System.
Dual Setpoint Control Setting:
This setting is available through the optional function in the Function Selection Menu, which is located in
the Test Run Menu of the wired controller.
< Control Operation Time Chart >
Setpoint for Cooling +T1
Setpoint for Cooling
Room Air TEMP.
Setpoint for Heating
Setpoint for Heating -T1
Heating Operation
Cooling Operation
NOTE:
The function is absolutely possible to combine the units with PC-ARF1 that the update will be released in
October 2018.
TCI-20007-rev.1
T1: Differential temperature for cooling/heating changeover
FEATURES
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