Thermistor For Liquid Pipe; Thermistor For Suction/Discharge Air - Mitsubishi Electric CITY MULTI PAC-AH001-1 Manuel D'installation

• Tighten the top and bottom of the insulation material using a tie band (field supply).
• Fold the lead wire of the thermistor at the bottom, and fix it with the insulation material using a tie band.
[Fig. 6.3.1]
A
B

6.3.2 Thermistor for liquid pipe

• Place the thermistor on the coldest position to prevent the evaporator from freezing.
• Turn the lead wire of the thermistor downward.
• Wrap aluminum tape (field supply) around the pipe to fix the thermistor.
• Wrap insulation material (field supply) over the aluminum tape.Tighten the top and bottom of the
insulation material using a tie band (field supply).
• Fold the lead wire of the thermistor, and fix it with the insulation material using a tie band.
A
B
G
C

6.3.3 Thermistor for suction/discharge air

Install the suction/return air thermistor (TH21) in the duct on the suction/return side of the AHU using the
supplied thermistor bracket.
Install the discharge air thermistor (TH24) in the duct on the discharge side of the AHU using the supplied
thermistor bracket.
NOTE
If operating the unit in Return Air Control, only installation of the Return Air Thermistor is
required. Installation of the discharge air thermistor (TH24) is not required, but can be
installed for field monitoring.
If operating the unit in Discharge Air Control, installation of both the Discharge Air
Thermistor and the Return Air Thermistor is required.
See Section 8 for more details on Return Air Control and Discharge Air Control.
PAC-AH001-1
D
E
C
Fig 6.3.1
D
E
Fig 6.3.2
27
Ⓐ AHU Heat exchanger
Ⓑ Gas pipe
Ⓒ Thermistor (gas pipe)
Ⓓ Aluminum tape (field supply)
F
Ⓔ Insulation (field supply)
Ⓕ Tie band (field supply)
Ⓐ AHU Heat exchanger
Ⓑ Gas pipe
Ⓒ Thermistor (liquid pipe)
Ⓓ Aluminum tape (field supply)
F
Ⓔ Insulation (field supply)
Ⓕ Tie band (field supply)
Ⓖ Capillary tube
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