Toshiba HWS-804XWHM3 series - Hydro Unit System Installation: 1 Zone Heating with Auxiliary Boiler; 1 Zone Heating with Auxiliary Boiler Setup

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 1 Zone Heating with Domestic Hot Water
Equipment Required:
DPSW Settings:
All DPSW’s set in the OFF position.
DPSW 13_1 to be set depending on the type of 3 way diverting valve fitted(2 wire / spring return, 3 wire
SPST or 3 wire SPDT)
Function Code Settings:
Please check the following pages for the set-up of:
 External room thermostat pg.40
 Room temperature controller (HWS-AMS11-E) pg.41
 Auto curve set up pg.43
 Hot water anti bacteria function pg.47
 Hot water boost function pg.48
Note: Care should be taken when setting FC1A if the heating emitter used for Zone 1 is under floor
heating. If FC1A is set to high there is a risk that the floor surface could be damaged.
FC No
FC Description
FC Range
Default Setting
1A
Heating – upper temperature set point limit - Zone 1( °C)
37 ~ 55
55
1B
Heating – lower temperature set point limit - Zone 1( °C)
20 ~ 37
20
1E
Hot water – upper temperature set point limit (°C)
50 ~ 80
75
1F
Hot water – lower temperature set point limit (°C)
40 ~ 60
40
20
Heat pump start temperature – hot water operation (TTW:°C)
20 ~ 45
38
21
Heat pump stop temperature – hot water operation (TTW:°C)
40 ~ 50
45
22
Hot water / heating priority switching temperature (°C)
-20 ~20
0
24
Hot water temperature compensation – OAT start temperature (°C)
-20 ~ 10
0
25
Hot water set point temperature – compensation temperature (°C)
0 ~ 15
3