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Toshiba
Item Operation flow and applicable data, etc. Operation description
8-1.
Basic
Operation
1)Operation control
Remote controller
1. Purpose
The operations of the
hydro unit and the
outdoor unit are
controlled according to
user-defined operation
condition settings.
2. Details
The operation controls
include those shown in
the left.
3. Operations
1)An operation condition
is selected with the
remote controller.
2)Setting the remote
controller button to
“ON” transmits a signal
to the hydro unit.
3)The hydro unit
controller controls the
operations shown in
the left while also
controlling the water 2-
way valve, water 3-way
valve, circulation
pump, mixing valve,
hot water cylinder
heater, and backup
heater.
4)The hydro unit
controller transmits an
operation instruction to
the outdoor unit, and
uses serial signals to
transmit and receive
control statuses.
5)The outdoor unit
control unit performs
the operation controls
shown in the left while
also controlling the
compressor, outdoor
fan motor, pulse motor
valve, and 4-way valve.
Operation
condition selection
Serial signals
transmit and receive
Heating: Run/Stop
Hot water supply: Run/Stop
Cooling: Run/Stop
Serial signals transmit
and receive
Serial signals
transmit and receive
Remote control settings
<Heating> Temperature setting
<Hot water supply > Temperature setting
<Cooling> Temperature setting
Auto Temp
Anti Bacteria
Frost protection
Hot waterboost
Water heat
exchange
Sub board
Outdoor
unit control
Serial signals
transmit and receive
Outdoor unit contro
Inverter frequency control
Waveform synthesis function
Calculation function (Temperature calculation)
AD conversion function
Rapid heating function
Compressor restart
Delay function
G-Tr overcurrent prevention function
Defrosting operation function
Hydro
unit
Outdoor
unit
Compressor
Outdoor fan motor
Td sensor
Ts sensor
Te sensor
To sensor
PMV
4-way valve
Thermostat (Cooling/Heating)
Forcible stop input
Abnormal stop output
Defrosting output
Operation output
Boiler "ON/OFF"
Booster Heater
Water heat
exchange
control board
Inverter
Condensed temperature sensor (TC)
Water inlet temperature sensor (TWI)
Water outlet temperature sensor (TWO)
Water heater outlet temperature sensor (THO)
Hot water cylinder (TTW)
Floor inlet sensor (TFI)
Overheat prevention thermostat
Flow switch
Hot water cylinder heater
Backup heater 1 power-relay
Backup heater 2 power-relay
AC pump 1 (Built-in pump)
2WV_W
3WV_W
Mixing Valve
Pressure switch
Lo pressure sensor
AC 230 V for Hot water cylinder heater
AC 230 V for heat pump
AC 400 V (3N~) for Back up heater
Serial
communication
Hot water supply
heater MG
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 36 Monday, October 5, 2009 2:09 PM