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

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 2 Zone Heating with Auxiliary Boiler
Equipment Selection:
DPSW Settings
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)
DPSW13_2 = ON: Boiler output control enabled (use in conjunction with FC23)
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
 Auxiliary boiler output pg.44
 Mixing valve set up pg.46
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
23
Trigger temperature to turn boiler output (on TCB-PCIN3E) ON (°C)
-20 ~ 20
-10
24
Hot water temperature compensation – OAT start temperature (°C)
-20 ~ 10
0
25
Hot water set point temperature – compensation temperature (°C)
0 ~ 15
3
3E
Boiler / heat pump synchronisation: 0 = synchronised; 1 = not
synchronised
0 ~ 1
0
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
4