[
VIII
Troubleshooting ]
- 195 -
HWE1410A
GB
18. Pressure sensor (PS3)
19. Strainer in front of 4-way valve
Operation procedures
Illustrations
Operation
location
(1) Perform the work as described in (1) to
(8) of 5.
(2) Cut the cable ties securing the heat in-
sulation material indicated in the figure
and then remove the heat insulation ma-
terial.
(3) Debraze the brazed portion of the pres-
sure sensor indicated in the figure and
then replace the pressure sensor with a
service part. ( in the figure)
Protect the heat insulation material
around the pressure sensor so as not to
burn it with the flame of the torch.
Below
ceiling
Heat insulation material
Operation procedures
Illustrations
Operation
location
(1) Collect the refrigerant and water and
then carry out the unit from the ceiling
space.
(2) Remove the four fixing screws from the
service panel (right) and then remove
the service panel (right).
(3) Remove the two fixing screws from the
service panel (top right) and then re-
move the service panel (top right).
(4) Disconnect the 4-way valve coil connec-
tor from the control board.
Below
ceiling
(5) Remove the one 4-way valve coil fixing
screw from the front (indicated by direc-
tion of the arrow in the figure) and then
remove the 4-way valve coil so as not to
burn the wires with the brazing flame.
(6) Debraze the positions indicated in the
figure, remove the strainer inside the
pipe, and then replace it with a service
part.
Service panel (top right)
Service panel (right)
4-way valve coil
(21S4Ma)
4-way valve coil
(21S4Mb)
Strain
0000002394.book 195 ページ 2016年1月12日 火曜日 午後4時49分
Содержание CITY MULTI CMB-WP1016V-GA1
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Страница 50: ... III HBC Controller Components 41 HWE1410A GB 4 Top side 1 CMB WP1016V GA1 2 CMB WP108V GA1 VB3f VB3e ...
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Страница 55: ... III HBC Controller Components 46 HWE1410A GB 2 Power supply circuit board ...
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Страница 67: ... IV Electrical Wiring Diagram 58 HWE1410A GB ...
Страница 68: ... 59 HWE1410A GB V Refrigerant Circuit 1 Refrigerant Circuit Diagram 61 2 Principal Parts and Functions 64 ...
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Страница 117: ... VII Test Run Mode 108 HWE1410A GB ...
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Страница 207: ... VIII Troubleshooting 198 HWE1410A GB ...
Страница 208: ... 199 HWE1410A GB IX LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 201 ...
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