Mitsubishi Electric PAC-TH011HT-E Installation Manual

4
HIGH TEMP. THERMISTOR
PARTS NAME : HIGH TEMP. THERMISTOR
PARTS No.
SALES MODEL CODE : 7H1THR2G
● 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 and IN5 wirings. (*2)
*1 When the temperature sensed by flow temp. thermistor or return temp. thermistor exceeds 80°C, FTC4 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
<Connecting boiler thermistor>
CNP1(WHT)
1 3
TBO.1
1
CNV1
5 (WHT)
FT C 4
TBO.2
1
CNPWM
1
CNBH
CNIH
(WHT)
(WHT)
(ORN) 3
7
3 1
1 CN22
CNBC CNBHT
(BLU)
2
(GLY) (BLK)
3 1 3 1
CN21
CN2F CNW12 CNW5
CN20
(YLW)
(YLW) (RED) (WHT)
(RED)
1
1 1 1
1
2
3 2 3
4
TBI.1 TBI.2
: PAC-TH011HT-E
INSTALLATION MANUAL
WARNING
2 3
CN01 5
(BLK)
1
CN3C 1
(BLU)
3
LED3
1
CN105
(RED)
5
1
CNRF
(WHT)
5
LED4
LED2
CN108
SW4
LED1
1 6
SW2 SW1
8 8
1 1
SW3
8
1
<G>
Item
Boiler flow temp. thermistor (THWB1) 5 m,
1
color: gray
Boiler return temp. thermistor (THWB2) 5 m,
2
color: black
3 Installation manual
TBI.2
1 2 3 4 5 6 7 8
THWB1 THWB2
Optional parts
Piece
1
1
1
9 10 11 12 13 14
D-25