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5
HIGH TEMP. THERMISTOR
PARTS NAME : HIGH TEMP. THERMISTOR
PARTS No.
SALES MODEL CODE : 7H1THR7
● Before starting installation, read the following description together with the installation manual included with the unit.
● Please read carefully and observe fully the following safety precautions.
WARNING
Precautions that must be observed to prevent injuries or death.
●
After installation carry out a test run to ensure correct operation, then explain operation method and safety precautions to the end user.
Tell your customers to keep this installation manual together with the operation manual, and when they give or sell this
machine to any other person include this installation manual and operation manual with it.
●
Before installing any accessories on the unit ensure the unit is isolated from the power supply.
●
Connections must be made securely and without tension on the terminals.
●
All electrical work should be performed by a qualified technician according to local regulations and the instructions given
in this manual.
●
The flow temperature from boiler MUST NOT exceed 70 °C (*1).
●
Before running Floor Dry-up function, disconnect IN4, IN5, IN11 and IN12 wirings. (*2)
*1 When the temperature sensed by flow temp. thermistor or return temp. thermistor exceeds 80°C, FTC will detect it as overheat error.
*2 High-temperature water produced by boiler operation could flow in and this could cause a big damage to the floor.
●
Make sure to install the boiler that has overheat protection and output flow temperature control.
<Included items>
1
■ Local system
The high temp. thermistor is used as the boiler flow temp. thermistor (THWB1) or the mixing tank temp. thermistor (THW10).
Outdoor unit
Cylinder unit/
Hydrobox
: PAC-TH012HT-E
INSTALLATION MANUAL
WARNING
2
Boiler
1
3
2
5
4
Mixing tank or
buffer tank
High temp. thermistor 5 m,
1
color: black
2 Installation manual
Number
1
Boiler flow temp. thermistor (THWB1)
2
Mixing tank temp. thermistor (THW10)
3
Flow temp. thermistor (THW6) (option)
4
Return temp. thermistor (THW7) (option)
5
Circulation pump (local supply)
Heating/
Cooling
Optional parts
Item
Piece
Component
1
1
D-37
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