Toshiba HWS-804XWHM3 series User Manual

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6. Turn rotary switch SW01 to position 1 and press and hold the tactile switch, SW07, for 8 seconds
7. The operation of the heating circuit components can be checked by rotating SW01 to the relevant
position detailed in the table below
8. Set DPSW06_2 to OFF
9. Replace the cover to the hydro unit electrical box and the front cover for the hydro unit
SW01
Pos
Heating Circuit
Component
Component Operation Using Check Mode
Comments
1
None
-
2
2 way valve
Cycle: valve ON for 2 sec ~ valve OFF for 3 sec
3
3 way diverting valve
4
Mixing valve
Cycle: Drive valve OPEN 30 sec ~ Drive valve
CLOSED 30 sec
5
Hydro unit pump (P1)
Pump ON 20 sec
6
External water pump (P2)
Pump ON 20 sec
7
None (reserved)
-
-
8
Hydro unit back up heaters
Cycle: stage 1 ON, stage 2 ON, all OFF every
20 sec
Hydro unit pump will
operate
9
DHW cylinder electrical
heater
Cycle: Heater ON 10 sec ~ heater OFF 10 sec
10
Booster heater output
Cycle: heater output ON 10 sec ~ heater output
OFF 10 sec
Hydro unit pump will
operate
11
Alarm output*
Cycle: output ON 10 sec ~ output OFF 10 sec
12
Boiler output*
Cycle: output ON 10 sec ~ output OFF 10 sec
13
Defrost output*
Cycle: output ON 10 sec ~ output OFF 10 sec
14
Compressor ON output*
Cycle: output ON 10 sec ~ output OFF 10 sec
15
None
-
16
Hydro unit pump (P1)
continuous operation
Continuous operation of hydro unit pump (P1)
Do not operate the hydro
unit pump continuously if
there is no water in the
heating circuit
SW01, SW07 & DPSW06 Location
SW01
Yellow LED
DPSW06
Tactile
switch SW07

Toshiba HWS-804XWHM3 series Specifications

General

Brand	Toshiba
Model	HWS-804XWHM3 series
Category	Heat Pump
Language	English