Hydro Unit And Outdoor Unit Settings - Toshiba HWT-601XWHM3W-ETR Service Manual

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Hydro unit and outdoor unit settings

Hydro unit
1. Hydro unit Setting
DN code
Used to activate external boiler output.
6B0 0 = external boiler output de-activated;
1 = external boiler output activated
Boiler install location
6B1 0 = Heating side after 3 way valve
1 = Before 3 way valve
Used to when an external cylinder thermostat is connected
6B2 0 = No external cylinder thermostat;
1 = External tank thermostat connected
Used to when an external room thermostat is connected
6B3 0 = No external room thermostat;
1 = External room thermostat connected
Used to determine type of 3 way diverting valve used on
system.
6B4
0 = 2 wire/spring return or SPST type valve;
1 = SPDT type valve
Synchronisation of Pump P2.
0 = P2 continuous operation
6B5 (pump off when remote controller switched off)
1 = Pump P2 off during heating and cooling mode is off or hot
water HP operation.
Used when a hot water cylinder is connected to system.
6B8 0 = hot water cylinder connected;
1 = hot water cylinder not connected
Used to activate Zone 1 Operation.
6B9 0 = Zone 1 activated;
1 = Zone 1 de-activated
Used to activate Zone 2 Operation.
6BA 0 = Zone 2 de-activated;
1 = Zone 2 activated
P1 Pump operation for heating
6D0 0 = Normally run
1 = Stopped at the outside temperature over 20°C
Pump P1 power of regular, When long-term thermo off.
6D1 0 = None operation
1 = regular power
Used to activate Hydro Unit back up heaters.
6D2 0 = Back up heaters activated;
1 = back up heaters de-activated
Used to activate hot water cylinder electrical heater.
6D3 0 = hot water cylinder heater activated;
1 = hot water cylinder heater de-activated
Used to activate external booster heater output.
6D4 0 = external booster heater output activated;
1 = external booster heater output de-activated
Used to activate system auto restart after power failure.
28 0 = auto restart activated;
1 = auto restart de-activated
P1 Pump operation for hot water
5A 0 = synchronised with heat pump
1 = Normally run
Setting the objects to control of I/P 7, 8
0 = I/P 7 Emergency shutdown input, I/P 8 None
1 = I/P 7 TEMPO 1 input, I/P 8 None
B6
2 = I/P 7 TEMPO 2 input, I/P 8 None
3 = I/P 7 Forcibly turn off the backup heater,
I/P 8 Forcibly turn off the hot water tank heater
4 = I/P 7 SG network input 1, I/P 8 SG network input 2
DN Description
After
Default
Commissioning
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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