Hitachi YUTAKI Series - 7.2 Electrical Connection

107
Parameter tables
SMGB0066 rev.0 - 12/2009
Controller pack
Service Manual
4
       
EP1
Mixing Valve Integral
Factor
---45
Mixing Valve Control: the integral reset factor of
the P+I control algorithm.
0.0 20.0 0.1 2.5 %/Kmin
EP2
Integral Factor
Required Load
-2345
Electric Heater or Boiler Control: the integral
reset factor of the P+I control algorithm.
0.0 20.0 0.1 2.5 %K/min
EP3
Difference Supply
Water Temperature
----5
Mixing / Bypass Valve Control: offset to decide
when to start the mixing control.
0.0 5.0 0.1 1.5 K
EP5 Show Entire Menu 12345
Setting EP5=1 shows all installer and engineering
parametersindependentofconguration.
0 1 1 0
EP6
Heat Pump supply
setpoint at 4mA
12345
Heat Pump Control: the outlet supply setpoint of
the Heat Pump for a 4mA control signal.
10 30 1 20°C
EP7
Heat Pump supply
setpoint at 20mA
12345
Heat Pump Control: the outlet supply setpoint of
the Heat Pump for a 20mA control signal.
40 70 1 55°C
EP8
Mixing Valve
Proportional Band
---45
Mixing Valve Control: the proportional band of the
P+I control algorithm.
0.2 20.0 0.2 6.0K
EP13
Heat Pump Maximum
Return Temperature
12345
Heat Pump Control: the maximum return
temperature allowed while the heat pump is on.
20 70 1 60°C
EP14
Heat Pump Minimum
Outdoor Temperature
(Cong1,2only)
12---
HeatPumpOperatingLimits:Denesthelowest
possible outside temperature of operation of the
heat pump.
-25
20,
then OFF
1 -20°C
EP16 P band Required Load -2345
Electric Heater or Boiler Control: the proportional
band of the P+I control algorithm.
0.2 20.0 0.2 6.0K
EP20
Inter-Stage Waiting
Time
-2---
Electric Heater Control: The minimum time
between switching stages of the electric heater.
10 250 10 10sec
EP28
Heat Pump Minimum
Supply Temperature.
12345
Heat Pump Operating Limits: minimum supply
temperature below outside temperature of EP32
10 40 1 35°C
EP29
Heat Pump Maximum
Supply Temperature
12345
Heat Pump Operating Limits: maximum supply
above outdoor temperature of EP34.
40 70 1 55°C
EP31 Offset Supply Setpoint -2345
Electric Heater or Boiler Control: reduced supply
setpoint offset for control of electric heater or
boiler.
0 10 1 4K
EP32
Heat Pump Minimum
SupplyInexionPoint
12345
HeatPumpOperatingLimits:parametertodene
shape of minimum supply temperature operating
curve.
-25 20 1 0°C
EP33
Heat Pump Maximum
Supply Temperature
12345
Heat Pump Operating Limits: maximum supply
temperature below outside temperature of EP34
40 70 1 50°C
EP34
Heat Pump Maximum
Supply Changing Point
12345
HeatPumpOperatingLimits:parametertodene
point at which maximum supply temperature
changes.
-25 20 1 -10°C
EP35
Heat Pump Max Time
High Setpoint
12345
DHW Control: time that supply setpoint is held at
maximum when DHW demand occurs.
0 180 1 180sec
EP36 Boiler Delay Time --345
Boiler Control: Inhibits the Supply-Return
Difference Check until this time has expired after
the boiler is switched on.
1 15 1 5min
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