Hitachi YUTAKI Series - Installer Parameter List

125
Installationcongurationsettings
SMGB0066 rev.0 - 12/2009
Controller pack
Service Manual
4
 
        
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 instructions)
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
P14
Minimum outdoor
temperature for Heat
Pump Operation.
--345
Heat Pump will be disabled below this temperature (Boiler
works on its own). OFF means the Heat Pump is always
enabled.
-25
20,
then
OFF
1 -20°C
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
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
P27
"Maximum allowed
DHW loading time
(not available if p1=0)"
123-5
Sets the maximum time allowed for DHW loading. After this
time,iftheDHWsetpointisnotachieved,thecontrollerwill
nevertheless return to heating
1 12 1 1.5 hr
P30
No-load function
enable
12345
Disables the heating in Zone 1 if the OTC calculated supply
setpointfallsbelowtheroomtemperature(orroomsetpoint,if
no room temp)
0 1 1 1
P31
Heat pump sensor
offset
12345
Compensates for differences in temperature measurement
between the heat pump and the supply sensor.
0 5 1 3°C
P32
Supply-return
difference control limit
-2345
Control parameter to help maximise running time of the heat
pump and minimise use of the electric heater or boiler.
1,
then
OFF
10 1 3°C