AC blow air, not cold <— fixed

first time replaced this thing called capacitor. AC is back!blowing cold.
took the time checking if drain line is clogged; checked again the air filter making sure I wasn’t stupid in placing it in wrong direction; cleaning the outside condenser fan unit.
I was researching into this thing called capacitor, claiming 90% not blowing cold due to condenser unit wasn’t on.
tried to test to confirm unit is indeed bad. multimeter Ohem testing showed some resistance btw fan and ground, but nothing btw herm(?) and ground, suggesting the capacitor is bad. I am not able to locate a tool that test capacitance, inexpensive and I can get it today.

online has the capacitor replacement for under $10, but figure ACE nearby has it though $26.

tested again the new capacitor, both fan and herm showed some resistance data change suggesting good.

replaced and put correct wires, which I took a pic and also wrote down: blue to herm, orange to fan, two yellow to ground.

power on.

thermostat set to lowest which is 65 f.

felt the cold air from bedroom vent; felt warm air from the condenser top, cold on the 1/2” copper line.

whew, I made it.

所有跟帖： 

• 鼓励一下。下一步是换motor。自己不学的话又是上千出去了。。。 -也想炒股- ♂ (0 bytes) () 07/22/2023 postreply 23:26:05

• 冬天热风不出（或鼓风机不转），这个电容器也有嫌疑 -老金工- ♂ (0 bytes) () 07/23/2023 postreply 04:48:27

• not sure if furnace has capacitor, won’t be surprised if it does -leslieking- ♂ (0 bytes) () 07/23/2023 postreply 08:12:00

• 吹风既管冷也管热，it doesn’t make difference -老金工- ♂ (0 bytes) () 07/23/2023 postreply 08:27:46

• 鼓风机的run电容在furnace里面，有的在control board后面铁板的背面。容量一般只有几个mfd. -hellotom- ♂ (63 bytes) () 07/23/2023 postreply 11:11:20

• 这个是空调启动电容。空调与制冷有关，与暖气无关。管道的风是靠fan, fan基本不会有问题 -qtsx- ♂ (0 bytes) () 07/23/2023 postreply 08:39:24

• 空调压缩机启动电容，另一端子用于外机风扇；内机blower的电容在机内 -chinomango- ♂ (0 bytes) () 07/23/2023 postreply 17:05:37

• 电容上不要省钱。不要买杂牌。第一美国造的，第二墨西哥造，第三买品牌的。远离中国造杂牌。这个牌子希望能使用超过2年。 -PrimeryColor- ♀ (0 bytes) () 07/23/2023 postreply 15:13:26

• 中国引进过数十条日本生产线，且60年前的高压电容就过关了 -chinomango- ♂ (145 bytes) () 07/23/2023 postreply 17:01:17

• 希望如此。不过我买电容时，也认为中国已经是厉害国了，电容还不是小菜一碟。 -PrimeryColor- ♀ (219 bytes) () 07/24/2023 postreply 06:23:49

• 你们都是在哪买电容，local的店都有哪些 -chinomango- ♂ (37 bytes) () 07/26/2023 postreply 13:26:03

• only ACE hardware has the replacement in store on that day -leslieking- ♂ (0 bytes) () 07/26/2023 postreply 13:35:00