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255 posts

Ultimate Geek
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Topic # 138928 21-Jan-2014 23:01 Send private message

The air conditioning unit I describe here (with pics): http://www.geekzone.co.nz/forums.asp?forumid=141&topicid=138853

...has a 240v power cable wired directly into a wall plate with a single switch.

There are also a couple of fuses and relays for the unit in my switch box.

Just wondering if it is nessecary that it is wired into the wall directly (like some ovens) or if I could replace the wall plate with a standard power outlet and add a plug to the cable so that I can put a basic 240v plug in timer in between?





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175 posts

Master Geek
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  Reply # 972018 22-Jan-2014 00:28 Send private message

Short answer - no. Since if you install a power point you need to RCD protect it. Also does that cord feed the whole aircon system or just the indoor fan unit? And that cable might not have enough current capacity to run a power point. Therefore by hard wiring the unit the cable need only be big enough for the connected load.



255 posts

Ultimate Geek
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  Reply # 972041 22-Jan-2014 07:56 Send private message

Aredwood: Short answer - no. Since if you install a power point you need to RCD protect it. Also does that cord feed the whole aircon system or just the indoor fan unit? And that cable might not have enough current capacity to run a power point. Therefore by hard wiring the unit the cable need only be big enough for the connected load.


Can you please explain why an RCD is required, is it just standard with A/C units? (The whole unit is in the ceiling).

You may be right that only the fan unit is connected to this wall plate as there are other flat power cables (the type you find inside your wall) also going directly into the control unit.

The cable I'm talking about is in the bottom left of this pic:





556 posts

Ultimate Geek
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  Reply # 972046 22-Jan-2014 08:23 Send private message

It's impossible to say whether this is possible or not without knowing how the system works, and that's only really possible by having seen it.

Whether it's feasible or not, you definitely can't do it yourself without having it certified by a registered electrician, and until then, you absolutely cannot power it up.

(I'm an electrician)

20 posts

Geek
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  Reply # 972516 22-Jan-2014 23:27 Send private message

From you other thread...
kenkeniff:
BTR: Do you own your apartment or are you renting? If renting call you landlord to sort it out.


Renting in a Hotel. They do service the filters every now and then however they choose to use these types of filters so they don't have to do it too often (as they don't catch much dust).

I don't think I'll have much luck from the landlord so don't mind paying $40 for a healthy set of lungs considering I work from home a lot.


Im not sure how happy the hotel would be with you doing your on electrical "mods"

814 posts

Ultimate Geek
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  Reply # 972556 23-Jan-2014 06:20 Send private message

andrewbnz: From you other thread...
kenkeniff:
BTR: Do you own your apartment or are you renting? If renting call you landlord to sort it out.


Renting in a Hotel. They do service the filters every now and then however they choose to use these types of filters so they don't have to do it too often (as they don't catch much dust).

I don't think I'll have much luck from the landlord so don't mind paying $40 for a healthy set of lungs considering I work from home a lot.


Im not sure how happy the hotel would be with you doing your on electrical "mods"


Quite simply, it seems you are doing electrical work for someonelse, unless you are a registered electrician it is flat out illegal, you should not even have the cover off.



255 posts

Ultimate Geek
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  Reply # 972720 23-Jan-2014 11:52 Send private message

gregmcc: Quite simply, it seems you are doing electrical work for someonelse, unless you are a registered electrician it is flat out illegal, you should not even have the cover off.


Quite simply you would 'seem' wrong; the unit doesn't have a cover on it, I simply poked my head into the ceiling at took a photo of it.

I just wanted to know whether it was feasible, I don't have the inclination or equipment to do it myself.





556 posts

Ultimate Geek
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  Reply # 972835 23-Jan-2014 13:29 Send private message

Then you need to contact the landlord. That unit absolutely must have a cover.

Frankly, I believe you did remove it. It's clear from the photo the cover has been there until very recently.

Greg has good reason to believe you wanted to do the work yourself, and I suspect the same.
or if I could replace the wall plate with a standard power outlet and add a plug to the cable so that I can put a basic 240v plug in timer in between?


There are two things you need to remember here.
1) It is illegal for you to do electrical work on this item (removing covers included). And there are fairly hefty fines associated with not complying.
2) You are renting, so ANY work needs to be approved by the landlord. In this case, because it's a Hotel, you'd be extremely unlikely to get the landlords consent for any modification at all.



255 posts

Ultimate Geek
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Reply # 972897 23-Jan-2014 14:59 Send private message

andrewNZ: Then you need to contact the landlord. That unit absolutely must have a cover.

Frankly, I believe you did remove it. It's clear from the photo the cover has been there until very recently.

Greg has good reason to believe you wanted to do the work yourself, and I suspect the same.
or if I could replace the wall plate with a standard power outlet and add a plug to the cable so that I can put a basic 240v plug in timer in between?


There are two things you need to remember here.
1) It is illegal for you to do electrical work on this item (removing covers included). And there are fairly hefty fines associated with not complying.
2) You are renting, so ANY work needs to be approved by the landlord. In this case, because it's a Hotel, you'd be extremely unlikely to get the landlords consent for any modification at all.


I appreciate the information you provided in your first post and subsequent information regarding the unit needing a cover (as it does not have one fitted) - which I will take up with the landlord if it is the case that it "absolutely must" have one.

However blatantly insinuating that I'm lying about removing the cover and planning on physically re-wiring the unit myself when I've clarified this is not the case is 'frankly' just plain stupid.

I don't know you and vice-versa so I have no reason lie or care if what you think I'm doing is illegal and would happily own up to it if I was.

Your assessment of the photo in this case is frankly completely wrong.





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Uber Geek
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  Reply # 972901 23-Jan-2014 15:06 One person supports this post Send private message

To the OP: As stated, you need a registered electrician to do this work, end of.  Not sure why the discussion has continued beyond this point.



255 posts

Ultimate Geek
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  Reply # 972903 23-Jan-2014 15:09 Send private message

ubergeeknz: To the OP: As stated, you need a registered electrician to do this work, end of.  Not sure why the discussion has continued beyond this point.


I'm sure either, however this was the info I wanted before requesting permission, paying for an electrician to visit etc.





53 posts

Master Geek
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  Reply # 981421 6-Feb-2014 18:18 Send private message

Aside from all the legal/illegal discussion, I am curious what are you trying to achieve?  I can see the wires going to a control unit, I presume this is for temperature and fan speed and you want to have the unit on a timer.  Hotel room fridges and aircons can drive you mad, they rattle and wheeze when you are trying to get to sleep.   I generally turn off the aircon and unplug the fridge when faced with these annoyances, but when there is no other source of fresh air you just have to put up with it. 



255 posts

Ultimate Geek
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  Reply # 981700 7-Feb-2014 10:39 Send private message

Porboynz: Aside from all the legal/illegal discussion, I am curious what are you trying to achieve?  I can see the wires going to a control unit, I presume this is for temperature and fan speed and you want to have the unit on a timer.  Hotel room fridges and aircons can drive you mad, they rattle and wheeze when you are trying to get to sleep.   I generally turn off the aircon and unplug the fridge when faced with these annoyances, but when there is no other source of fresh air you just have to put up with it. 


The hallways in the Hotel are kept ridiculously hot, without A/C on the apartment heats up within about 30min so we keep it on cold pretty much 24/7 which is how I like during the day and night.

The only issue I have is in the morning it can be pretty nippy making it hard to get out of bed!

I thought if I could get a timer to turn off the A/C about 30min before my alarm goes off, I could wake up to pleasantly warm apartment (which would eventually force me out of bed with the heat!).

I enquired with the maintenance guys about getting a digital wall-pad with timer however they reckoned you'd need to replace the whole control unit too so didn't bother with that.

When I was cleaning the filters I noticed the wiring and wondered if a wall-timer at the power source would be a feasible option instead (and also always wondered why some appliances are wired directly into the wall).





2391 posts

Uber Geek
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  Reply # 981718 7-Feb-2014 11:03 Send private message

andrewNZ:
Whether it's feasible or not, you definitely can't do it yourself without having it certified by a registered electrician, and until then, you absolutely cannot power it up.
(I'm an electrician)


andrewNZ:
Frankly, I believe you did remove it. It's clear from the photo the cover has been there until very recently.

Greg has good reason to believe you wanted to do the work yourself, and I suspect the same.


Heck. Lots of jumping to conclusions here ...

The op just asked for a bit of advice. Get off your high horse.




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Uber Geek
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  Reply # 981719 7-Feb-2014 11:07 Send private message

kenkeniff: The air conditioning unit I describe here (with pics): http://www.geekzone.co.nz/forums.asp?forumid=141&topicid=138853

...has a 240v power cable wired directly into a wall plate with a single switch.

There are also a couple of fuses and relays for the unit in my switch box.

Just wondering if it is nessecary that it is wired into the wall directly (like some ovens) or if I could replace the wall plate with a standard power outlet and add a plug to the cable so that I can put a basic 240v plug in timer in between?


Have a look over here:

http://consumerbuild.org.nz/publish/diy/diylegal-electrical.php

This is the work you are allowed to do in NZ ....

obviously any sparky will disagree because at the end of the day they like the title of "Certiified electrician" and therfore will tell everybody what they are NOT allowed to do (often getting it very wrong), just to make a few bucks.

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  Reply # 981746 7-Feb-2014 12:05 One person supports this post Send private message

Klipspringer:
kenkeniff: The air conditioning unit I describe here (with pics): http://www.geekzone.co.nz/forums.asp?forumid=141&topicid=138853

...has a 240v power cable wired directly into a wall plate with a single switch.

There are also a couple of fuses and relays for the unit in my switch box.

Just wondering if it is nessecary that it is wired into the wall directly (like some ovens) or if I could replace the wall plate with a standard power outlet and add a plug to the cable so that I can put a basic 240v plug in timer in between?


Have a look over here:

http://consumerbuild.org.nz/publish/diy/diylegal-electrical.php

This is the work you are allowed to do in NZ ....

obviously any sparky will disagree because at the end of the day they like the title of "Certiified electrician" and therfore will tell everybody what they are NOT allowed to do (often getting it very wrong), just to make a few bucks.


While this is now getting a little OT, the key in this list is that you're only allowed to perform these tasks in your own home.

As this hotel is not your own home, you're not allowed to do anything.



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