Remote Sensor Kit (Sc-Thb-E3) - Mitsubishi Heavy Industries SRR25ZM-S Technical Manual

(5) Remote sensor kit (SC-THB-E3)

Sensor for return air temperature detection is located in the air inlet of the indoor unit.
Use the remote sensor kit SC-THB-E3, and install it on the suitable wall so the temperature of the room can be
accurately detected.
This remote sensor kit is to be used as an alternative to the pre-installed sensor of the indoor unit.
1. Accessory parts
No. Part name
① Sensor box
② Cable (8m)
③ Tape (Double -stick)
※Installation manual in the SC-THB-E3 is not it for SRR_ZM-S.
2. Selection of installation position
・The thermistor for detecting room temperature is located inside the remote sensor box.
・DO NOT install the remote sensor in places where.
- Average room temperature can not be detected.
- A heat source is located nearby.
- The wall temperature is different from average room temperature.
- Affected by the outdoor air when opening / closing the door, etc.
- The discharge air from indoor unit blows directly.
- Covered by curtains or other obstacles.
- Exposed to the sun.
- Exposed to water, humidity or dew.
・Mount the remote sensor vertially on the wall surface, etc.
・Run the sensor cable in a place where the power cable or electrical noise will not cause any abnormal operation.
3. Installation procedure
(a) Insert the tip of slotted screwdriver to the gap between the cover and base of the sensor box (①), and twist
it to disassemble.
(b) Fix the base to the wall with screws (⑤).
(c) Connect the cable (②) to the terminal block in the base. (No polarity)
(d) Attach the cover to the base.
Remote sensor box
Cover
(e) Remove the control lid of the indoor unit. Take off CNG connector from PCB of the indoor unit .
Control lid
Q'ty No. Part name
1 ④ Band
1 ⑤ Screw (4X16)
1
Cable
Terminal
block
Fix it with screws
Thermistor
Bottom
CNG connector

-
Q'ty
1
2
Top
Base
-
'15 • SR-T-185
Wiring of the remote
control signal receiver