Well. In this case you can consider a 2.5hp wall mounted.

R32 is already in the market now only Daikin is the first who brought them in. The model was Daikin Urusara 7 selling at 5000++ for 1hp but the cooling can adjust to 14000btu which means you're most likely installing a 1.5hp air con.

If the air con is use more than 5 hours per day + everyday go for the inverter.

If the air con is use less than 3 hours per day + x4 times a week then go for the non inverter.

Daikin eco king is still using the York spec. Blower a little noisy for room for dining is okay + the cooling is better.

You don't have to install cassette unit in living hall because it's not necessary need it. Unless your house is on renovation. If you don't have plaster ceiling then you can forget about it. If you have plaster ceiling also please consider the installation works need to cut the ceiling for the unit and need run new piping and drainage pipe through the ceiling. Is gonna be a very messy installation work. Plus the price is more more expensive and maintenancefor overhauling also cost a lot.

The most quiet air con I tested is Panasonic. Any latest model will do. For room use.

If you're using daikin rebrand unit from York then yes. I admit there's sound from the outdoor. But not so noisy. I more aware of the blower as the wind comes out from the vent is a little loud. But I don't blame them cause this spec is meant for strong air flow.

1. Panasonic

From my experience. Air con which frozen at the coils are probably not enough refrigerant. Especially for inverter R410. Frozen coils only happenes to R22 which running non stop. But for inverter. I'm sure it's not the PCB faulty. I also not sure why they ask you to change the PCB but a faulty PCB will not get any cooling to your room. Since it frozen means the PCB got send signal to the compressor.

I bet with you. Now your air con frozen. I give you a week. It will start not frozen and no more cooling. And the indicator at the indoor unit will blink.

You can diy if you won't mistakes the wiring. It's not hard to change if you could use a ladder to climb up and open the entire top cover. You'll see a round capacitor. Size like a vitagen.

2hp is enough

This post has been edited by weng-aircon: Mar 22 2016, 10:38 PM

16 degree it will cut off????? Inverter compressors never never will have cut off in their dictionary. Inverter compressors never will stop. Only runs high load or low depending on the temperature. That's a joke to me if a panasonic tech guy tell me this issues. Please. Ask the previous guy to check the refrigerant. Please be beside him to look at the gauge if there's at least 140psi. Coils frozen only happenes when refrigerant running at 30psi. I think your air con guy take down and wash and install back there's a leakage.

Standard installation for R410

1hp, 1.5hp RM250 + 10ft piping + 10ft drain pipe
2hp, 2.5hp RM350 + 10ft piping + 10ft drain pipe

Wiring + switch with 15ft casing RM150

Refrigerant R410A top up RM150

Yes. You need to change to thicker mm piping to support the R410 refrigerant.

This is the most standard price in market.

Maybe some cheaper.

Brother. Multi split designed for tight area and save a lot space. But for own use if you have a choice I would not recommend you to install multi split.

Pros and cons.

1. Save space
2. 1 compressor down 2 unit FCU will not cold
3. Price skyhigh compare purchase 2 split unit
4. Besure how long is the piping for your FCU if not will have cooling capacity problem. Or else get a bigger hp to support 2 FCU etc 1.0 or 1.5hp. If you have a multi split 2hp you can't support 1.0hp and 1.5hp cause total is 2.5hp already exceed.

Is just like using Internet. If 1 computer download alot stuff and the other computer gaming will lag. If your Internet have 1000mbps of speed then should be no problem. Same apply as the outdoor. Your outdoor need enough cooling capacity to withstand the FCU. Is depends on how many hp you want for the room then get how many hp outdoor.

I'm not sure if daikin rebrand this unit cause this model is previously own by York. It's colder when it's York. Btu also higher than others air con. But if you mention R22. I assume this is a old stock they trying to clear.

No. Faulty capacitor won't cause high amp aka makan current. When you notice your current getting higher because of air con is this few issues.

1. Compressor will goes high amp aka makan current when outdoor heat exchanger is dirty. When is dirty. Refrigerant in the heat exchanger can't fully produce enough liquid to the FCU. Which means when it can't produce enough liquid + vapor to the indoor then suction can't get enough vapor. Then compressor have to try hard to produce liquid (compressor will start makan current when trying hard to produce liquid)

2. Faulty fan motor at the outdoor. Check if the fan running slow. If not the heat exchanger can't fully release the vapor in the coil.


My English very bad. But try google look for refrigerant cycle and you know what I mean.

If the air con is working fine I don't seem to have any idea of changing it. If the current air con gives you enough cooling and you're happy with it then should be fine. If you have budget then change. Haha.

long run wise hor... hahaha, sometimes i didnt want to say it but seems is a discussion i let you know what i see in these both inverter or non inverter


inverter

1. save electricity
2. parts etc pcb very expensive cost few hundred (500++) inverter have 2 pcb 1 is indoor and another one is outdoor
3. ozone friendly
4. high maintenance (charge 1 time R410 RM150 for standard price)

you save electricity bills to pay for maintenance so i guess is equal?



non inverter

1. doesnt save as much as inverter
2. parts etc like pcb cost 300++ (just only have 1 pcb
3. pollute our environment, not ozone friendly
4. low maintenance (charge 1 time R22 RM60 for standard price)

you save the maintenance to pay electric bills.


by the way im not trying to spoil the market. just as my thought. the more high tech the stuff it is the more complicated the stuff is. especially the
pcb, we dont know when it will spoil. theres no answer until today as myself is a technician.

This post has been edited by weng-aircon: Mar 25 2016, 10:49 PM

the wiring to connect the socket is can, but not with those fuse plug. it gets burned out (only when happens compressor start to eat current)
you can use a plug without a fuse.

just my thoughts.