Hitachi YUTAKI Series - Expanding the System; Additional Mixing Zone

Controller pack
Service Manual
128
Expanding the system
SMGB0066 rev.0 - 12/2009
  
& > 1 sec.
SET
SET
SEL
ID Output Min Max CONF
HPS Heat Pump setting (mA) 2 20 12345
HP Heat Pump remote on/off 0 1 12345
PO2 Secondary pump (not displayed if P2=0) 0 1 12345
DHWV DHW valve/pump (not shown if P1=0) 0 1 123-5
EHS1 Electric heater output 1 0 1 -2---
EHS2 Electric heater output 2 0 1 -2---
DHWE DHW electric heater enable (not shown if P1=0) 0 1 12---
PO1 Boiler pump 0 1 --34
BLR Boiler on/off 0 1 --345
V Mixing valve position (%) 0 99 ---45
Operational data shown depends on the system conguration (CONF) setting.

 
The system controller is designed so that it can be expanded when necessary to control heating systems with an additional
mixedheatingzone.Theextensioncontrollerwillcontrolamixingcircuit,consistingofamixingvalveandpumpasshown
below.Itispossibletouseoneroomunitfortheentiresystem,orhaveoneroomunitineachheatingzonewithseparate
time programmes.
Installation instructions are included with the extension controller.