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yes
if outdoor stop valves of gas pipe
and liquid pipe are open totally
Open the valves
no
Is indoor filter or heat
exchanger dirty?
Cleaning
yes
yes
Repair fan motor or fan
capacitor
no
no
Repair pipe
yes
Is piping twisted or deformed?
yes
Does indoor fan work properly during
cooling cycle? Does outdoor fan work
properly during heating cycle?
no
Check if system is overfed according
to equalized pressure in halt.
yes
Evacuate and recharge
no
Is reading of discharging pressure
gage oscillatory?
no
Bad operation codition, such as ultra low
outdoor temperature
yes
There is air in system.
Evacuate and recharge
4
)
High
pressure protection
Confirm the fault according
to the fault code list
yes
Check and reconnect
no
Are connectors of pressure switch in good
condition?
Is high side pressure switch
activated? (If not, DC voltage is 0V.)
yes
Replace PCB
no
Is the high side pressure detected by
the gage higher than threshold
value? The threshold value is
indicated on the switch
yes
Replace high pressure
switch
no
-305-
Содержание AB092ACBHA
Страница 47: ... a__WcU S c a V e a Wc AU88NATBEA 66 33 1 23 4 43 33 61 2 3 160 2 15 3 52 47 ...
Страница 235: ... N2 4 C N344 C J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 235 ...
Страница 236: ... a__WcU S c a V e a Wc N2 4 C N344 C J Taeea_ d VW bc eWV V SYcS_ 236 ...
Страница 238: ... N364 A D N3 4 A E J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 238 ...
Страница 239: ... N364 A D N3 4 A E J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 239 ...
Страница 241: ... N464 C D J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 241 ...
Страница 242: ... N464 C D J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 242 ...
Страница 244: ... N364 A N3 4 A J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 244 ...
Страница 245: ... N364 A N3 4 A J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 245 ...
Страница 247: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB top side printed diagram 247 ...
Страница 248: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB bottom side printed diagram 248 ...
Страница 250: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB top side printed diagram 250 ...
Страница 251: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB bottom side printed diagram 251 ...
Страница 253: ... a__WcU S c a V e a Wc AU52NAIBEA PCB top side printed diagram 253 ...
Страница 254: ... a__WcU S c a V e a Wc AU52NAIBEA PCB bottom side printed diagram 254 ...
Страница 256: ... a__WcU S c a V e a Wc AU88NATBEA PCB top side printed diagram 256 ...
Страница 257: ... a__WcU S c a V e a Wc AU88NATBEA PCB bottom side printed diagram 257 ...
Страница 272: ... a__WcU S c a V e a Wc Indoor units except for AP18 AP88 PCB printed diagram 272 ...
Страница 278: ... a__WcU S c a V e a Wc Cabinet indoor units PCB circuit diagram 278 ...
Страница 279: ... a__WcU S c a V e a Wc Cabinet indoor units PCB printed diagram 279 ...
Страница 343: ... a__WcU S c a V e a Wc 14 Air volume and external static pressure curves 343 ...
Страница 349: ...1 8 0 2 4 25 27 22 5 5 heating air discharge angle 45 Temperature distribution a__WcU S c a V e a Wc 349 ...
Страница 357: ...1 8 0 2 4 25 27 22 5 5 heating air discharge angle 45 Temperature distribution a__WcU S c a V e a Wc 357 ...
Страница 364: ...MEMO Commercial Air Conditioner ...