9
GB
2.3.3. Installing the thermistors
Be sure to install the thermistors (gas) supplied with the unit as shown in the illustration.
• If the thermistors are not installed, the unit will not operate. If the thermistors are installed incorrectly, the unit will not operate
properly.
Take precaution so that condensation does contact the thermistor leads or enters the electrical devices.
Before installing thermal insulation to the frame connecting points of the indoor unit, be sure to install the thermistors
according to the procedures given on this page.
*
Refer to section 8.4 "Wiring (mm)" for the location of CN44.
Thermistor installation order
(1) Securely fasten the thermistor (gas) supplied with the unit using the thermistor holders (
2
,
3
) at the fastening points of indoor
unit refrigerant pipes.
• Set thermistor-G (gas) in thermistor holders
2
or
3
, and then fasten the refrigerant pipes.
Caution:
• To prevent condensation from dripping on the thermistor fasteners, wrap them with sufficient thermal insulation.
• Install the thermistor so that the piping is on top (as shown in above illustration).
• Take out the thermistor lead from above the piping.
• Install the thermistor indoors.
Select thremistor holders that match the size
of the refrigerant piping.
Gas
• Route the following lead, line, and cable pairs so that they do not come into contact with each other.
- Thermistor lead and indoor unit-connection kit transmission line
- Thermistor lead and power supply cable
- Transmission line and power supply cable
Connection kit
Gas: CN44
1500
Brazed point
MAX. 15000
MAX. 2000
MAX. 1500 mm
(procure locally)
Indoor unit capacity
pipe size (mm)
15-40
50
Liquid
ø6.35
ø6.35
Gas
ø
9.52
ø
12.7
2
3
02_WT06728X03-body.fm 9 ページ ２０１３年１２月２５日 水曜日 午後１時２９分
