Toshiba HWS-G2601ENXR-E - Installer

Domestic Hot Water Heat Pump Service Manual
55
10.1.6 Installer
The installer menu should be accessed only by qualified personnel. Some of the set points that
can be regulated from this menu can have large effects on the unit performance depending on
the type of commissioning and installation. There should be a proper match between installer set
points and type of installation in order to optimize the performance and lifetime of the unit.
In order to access the Installer Menu, a 4-digits password needs to be entered. The password is:
2016. All temperatures are expressed in °C.
Code
Set point
name
Description
Range
Factory
setting
D0
Reset all
All the set points are reset to original factory settings. Also the
Information menu and the installer set points are modified.
OFF/ON
OFF
D1
Errors
The alarms of the unit can be checked here.
-
-
D2
D2.0
Address
Modbus address. The Modbus address can be selected between 1
and 247.
1-247
30
D2.1 Baud
Rate
Modbus baud rate. The ModBus baud rate can be selected between
19200 and 9600.
9600/
19200
19200
D2.2 Parity
Modbus parity. The ModBus parity can be chosen between Even or Odd
or deactivated.
Even/
Odd/
None
Even
D2.3
Write
enable
Modbus modify. If this function is activated, it is possible to modify the set
points kept for development with a data logger.
OFF/ON
ON
D3
Fan max
speed
The maximum fan speed (%) can be regulated. This is the highest limit at
which the fan can run both when the ventilation function is active and when
the heat pump is in standard operation.
0-100
70
D4
Fan medium
speed
The medium fan speed (%) can be adjusted.
0-100
50
D5
Fan min
speed
The minimum fan speed (%) can be adjusted.
0-100
40
D6
AUTO
speed
The automatic speed of the fan (%) when the heat pump is running in
AUTO and ECO mode can be regulated. This is a nominal value while the
fan speed may automatically vary its speed at a higher level, depending
on the operating conditions.
0-100
57
D7
Air Temp min
The minimum air temperature allowed during the operation of the heat
pump can be regulated here. If BT1 is below Air T min the electric heater
starts and it works alone until the set point is reached. (Even if the air
temperature increases in the meanwhile).
(-7) -
(+10)
-7
D8
Air Temp
max
The maximum air temperature allowed during the operation of the heat
pump can be regulated here.
30-40
40
D9
Water Temp
max
The maximum allowed temperature in the tank.
55-65
65
D10
Defrosting
Temp Stop
The temperature of BT2 at which the defrosting function stops. The
defrosting function is automatic and it occurs not more often than once
every hour.
0-10
4
D11
Evaporator
Temp max
The maximum evaporator temperature allowed during the operation of the
heat pump can be regulated here. If BT2 has a higher temperature than
the set point, then use electric heater. This function is active 10 minutes
after the compressor start.
10-40
30