Toshiba HWS-804XWHM3 series - Hydro Unit System Installation: 2 Zone Heating with DHW; 2 Zone Heating with DHW Setup

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 2 Zone Heating With Domestic Hot Water
Equipment Selection:
DPSW Settings:
DPSW 10_3: Set switch to ON if end user requests pump P2 (Zone 2 pump) is synchronised with pump
P1 (hydro unit)
DPSW12_3 = ON: Zone 2 control enabled
DPSW 13_1 to be set depending on type of 3 way diverter valve fitted (2 wire / spring return, 3 wire
SPST or 3 wire SPDT)
All other DPSW’s set in the OFF position
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
 Mixing valve set up pg.46
 Hot water anti bacteria function pg.47
 Hot water boost function pg.48
Note: Care should be taken when setting FC1C if the heating emitter used for Zone 2 is under floor
heating. If FC1C 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
1C
Heating – upper temperature set point limit – Zone 2 (°C)
37 ~ 55
55
1D
Heating – lower temperature set point limit – Zone 2 (°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
0C
Specified drive time for mixing valve – 0° ~ 90° (10sec)
3 ~ 24
6
59
Sets the sample time (drive OFF) period, for the mixing valve control (mins)
1 ~ 30
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