Toshiba HWS-803XWHM3-E Installation Manual page 21

+00EF99805101_01EN.book Page 21 Monday, June 21, 2010 3:45 PM
Hydro Unit
▼ Control parts specifications
Motorized 3-way valve
(for hot water)
Motorized 2-way valve
(for cooling)
Motorized mixing valve
(for 2-zone)
▼ Output line specifications
Description
External pump No.1
External boost heater
Boiler control
ALARM Output
Compressor operation
output
Defrost Output
▼ Input line specifications
Description
Emergency stop control
Cooling thermostat input
Heating thermostat input
Earthing arrangements
The Hydro Unit and related equipment must be earthed in accordance with your local and national electrical regulations.
It is essential that the equipment is earthed to prevent the electric shock and damage to the equipment.
Power Maximum current
AC 230 V 100 mA
AC 230 V 100 mA
AC 230 V 100 mA
Maximum Max
Output
current voltage
AC230V 1 A –
AC230V 1 A –
0.5 A AC230 V
Non-voltage
contacts
1 A DC24 V
0.5 A AC230 V
Non-voltage
contacts
1 A DC24 V
0.5 A AC230 V
Non-voltage
contacts
1 A DC24 V
0.5 A AC230 V
Non-voltage
contacts
1 A DC24 V
Input
Non-voltage
Non-voltage
Non-voltage
CAUTION
– 21 –
Type
Default: 2-wire spring return valve or 3 wire SPST valve
Note: 3 wire SPDT valve can be used by changing DIP switch
13_1.
spring return type (normally open)
Default: Drive time = 60sec to 90°
Note: 3 wire SPST or SPDT valves, with drive times between
30 and 240 seconds, can be used. Valve drive time can be
changed using function code 0C
Maximum
length
12 m
Output as required when outdoor air
12 m
temperature is -20°C or less
12 m Output as required when outdoor air
temperature is -10°C or less. The
outdoor air temperature, when the
12 m
boiler output is enabled, can be
changed using function code 23.
12 m
12 m
12 m
12 m
12 m
12 m
Maximum length
12 m
12 m
12 m
Installation Manual
EN
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