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[#21] 即熱式電熱水器請教    
熱泵式唔太了解, 應該係開緊冷氣時又熱緊尐水待用. 驚冷氣唔夠凍? 冬天d冷氣?

最後修改時間: 2020-05-03 22:03:47
S.Chan
個人訊息 正式會員
58.xxx.xxx.147
2020-05-03 21:59
[#22] 即熱式電熱水器請教    
日本家庭晚晚風呂
細細地都200L起跳
3-400L那些成台中型發電機組咁大,2個米七雪柜咁闊
有個panel調煲水時間

其實我吾明如果壞咗要整套換
點入佢地啲門口
tpe_ryan
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124.xxx.xxx.70
2020-05-03 23:25
[#23] 即熱式電熱水器請教    
Water is only warm at 50 to 60C only. (assisted heater may be required) Just think, it's a water cooled condenser. The evaporator(cool coil) usually takes the shape of a conventional rectangular condenser, not indoor fan shape.

Taobao got the Haier brand but hard to take the large tank to Lamma island. Installation is not difficult, similar to R22 unit(many brands are using such), with additional water pipe. $4000 min. for a unit. No spare electronic parts. This is a concern. Besides, corrosion at water tank, must have galavanic protection. In China, at least 5 year warranty.

最後修改時間: 2020-05-04 08:46:37
alexanderkoo
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203.xxx.xxx.227
2020-05-04 08:41
[#24] 即熱式電熱水器請教    
樓主,如果無三上電,用氣體爈好尐。
Dlbf
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14.xxx.xxx.121
2020-05-04 08:51
[#25] 即熱式電熱水器請教    
#23 Water is only warm at 50 to 60C only

=======================
就算冰天雪地浸溫泉,水溫上限都只係45度。
Dlbf
個人訊息 正式會員
14.xxx.xxx.121
2020-05-04 09:30
[#26] 即熱式電熱水器請教    
It's inside the tank and there is mixing faucet to add water to near body temp.
alexanderkoo
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203.xxx.xxx.227
2020-05-04 09:56
[#27] 即熱式電熱水器請教    
This Haier has no indoor unit. The cool air is wasted.(in fact, a reversed cycle condenser) 6ft tall tank, even housing the condenser is a problem in HK.



最後修改時間: 2020-05-04 14:45:10
alexanderkoo
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203.xxx.xxx.145
2020-05-04 14:44
[#28] 即熱式電熱水器請教    
香港好快無冬天,不會浪費冷氣。
DeepSea^^
個人訊息 正式會員
182.xxx.xxx.13
2020-05-04 14:47
[#30] 即熱式電熱水器請教    
No need for warming? Yesterday, I needed to switch on 3 ac's(one salvaged from scrap)
inside living room in Lamma island premises, yet not cool. 3 walls were exposed to intense heat and no heat insulation.

最後修改時間: 2020-05-04 15:24:53
alexanderkoo
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203.xxx.xxx.145
2020-05-04 15:23
[#31] 即熱式電熱水器請教    
hi lap
https://www.kukel.com/
我用左KUL59-903 七八年 & KUL59-818 呢個model 三四年喇。
KevinLo
個人訊息 正式會員
223.xxx.xxx.231
2020-05-06 08:34
[#32] 即熱式電熱水器請教    
#32, I am using kukel as well but make sure the c-fu will install the pressure relief valve as my previous one last only 2 years before it developed a leak.

shektau6
個人訊息 正式會員
14.xxx.xxx.199
2020-05-06 11:52
[#33] 即熱式電熱水器請教    
Instant type may not cause rise in water pressure, usually flow operated. High pressure storage type can especially when mains pressure reducing valve is installed. Just think, a volume of water being trapped and then heated.

最後修改時間: 2020-05-06 13:20:29
alexanderkoo
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203.xxx.xxx.208
2020-05-06 13:19
[#34] 即熱式電熱水器請教    
But heating up would increase pressure inside the unit no? But I guess it would depends the inflow and outflow pressure but it might not be significant to make a difference...
shektau6
個人訊息 正式會員
14.xxx.xxx.199
2020-05-06 13:52
[#35] 即熱式電熱水器請教    
Don't think so, pressure would drop when there is flow. In fact lower than normal pressure. Can be 0.5 to 1 bar less depending on pipe loss.

Better install a pressure gauge to check, if in doubt. Or 1 floor is about 3m water. 1 bar is 10 m water.

最後修改時間: 2020-05-06 17:01:57
alexanderkoo
個人訊息 正式會員
203.xxx.xxx.208
2020-05-06 16:59
[#36] 即熱式電熱水器請教    
Taobao got a pressure storage type of a few litres for kitchen application, RMB 500 only. But don't think it's approved by EMSD wrt safety protection.(temperature/vacuum relief etc) Or whether there is exemption for such small volume.

最後修改時間: 2020-05-07 06:36:47
alexanderkoo
個人訊息 正式會員
223.xxx.xxx.142
2020-05-07 06:36
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