Hitachi YUTAKI Series - Parameter Tables; Installer Parameters

105
Parameter tables
SMGB0066 rev.0 - 12/2009
Controller pack
Service Manual
4

 

Please refer to the System Controller Installation & Operation Manual for instructions on how to set the installer
parameters.
       
CONF SystemConguration 12345
Set according to the type of hydraulic
congurationinstalled.
1 5 1 3
P1 DHWConguration 123-5 Setto0=NoDHW,1=DHWvalve,2=DHWpump 0 2 1 0
P2 Secondary Pump 12---
Set to 1 if a buffer/hydraulic separator and a
secondary pump is used (CONF 1 or CONF 2
only)
0 1 1 0
P3 Pump Overrun Time 12345
Sets how long the pumps run after the heating is
switched off.
1 10 1 2 min.
P4
OTC Heating Curve
Gradient
12345 Sets the heating curve for OTC control function 0.2 2.2 0.1 1.1
P5
Minimum Supply
Temperature
12345
Sets the minimum supply water temperature for
the heating.
5 40 1 15°C
P6
Zone 1: Maximum
Supply Temperature
12345
Sets the maximum supply water temperature for
the heating (zone 1)
20
55/65/
90*
1 55°C
P7
Room Compensation
Factor
12345
SetstheroomtemperatureinuencefortheOTC
control function
0 5 0.5 2
P9
Actuator Run Time /
Mixing valve Control
---45
Set to the running time of the actuator (see
actuator manufacturer’s technical data)
30 600 10 120 s
P10
DHW setpoint
(not available if P1=0)
123-5 Setpoint for the DHW control function. 45 65 1 45°C
P11
DHW differential
(not available if P1=0)
123-5 DHW control differential 1 10 1 5 K
P12
DHW supply offset
(not available if P1=0)
123-5
Inuenceshowquicklythehotwatertankis
heated
1 30 1 10 K
P15
Maximum Outdoor
Temperature for Boiler /
Electric Operation.
-2345
Boiler / Electric heater will be disabled above
this temperature (Heat Pump works on its own).
OFF means the boiler/electric heater is always
enabled.
-20
20,then
OFF
1 0°C
P14
Heat Pump Minimum
Outdoor Temperature
(Cong3,4,5only)
--345
HeatPumpOperatingLimits:Denesthelowest
possible outside temperature of operation of the
heat pump.
-25
20,
then
OFF
1 -20°C
P17
Boiler Minimum ON
Time
--345
Sets the minimum ON time of the boiler to reduce
inefcientshort-cycling
1 30 1 2 min
P18
Boiler minimum OFF
time
--345
Sets the minimum OFF time of the boiler to
reduceinefcientshort-cycling
1 30 1 5 min.
P19
Waiting Time for Boiler/
Electric Heater
-2345
Sets the minimum time the controller will wait
(after the heat pump is switched on) before using
the boiler or electric heater
1 90 1 30 min.
P21
Minimum Supply
Setpoint during Frost
Protection
12345
Sets the minimum supply water temperature when
the frost protection function is active.
10 35 1 20 °C
P22
Frost Protection
Activation Temperature
12345
Sets the outdoor temperature below which the
frost protection function will activate.
-20,
then
OFF
5 1 2°C
P23
Zone2: Maximum
Supply Temperature
12345
Sets the maximum supply water temperature for
the heating (zone 2 extension)
20
55/65/
90*
1 50°C
P24
CongurationofTariff/
Timer Input
12345
The sets the meaning of the digital input “Tariff/
Timer”
0 4 1 4
P25
Start Screed-Drying
Function
12345
Setto1tostartimmediatelytheunderoor
screed-drying function
0 1 1 0
P26
Summer switch-off
temperature
12345
Sets the daily average outdoor temperature above
which the heating will be switched off.
10
25,then
OFF
1 20°C