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UTS6H + EU2000: UPS Optional or Required?

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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PeteCress_apc
Ensign
Ensign
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2
233

UTS6H + EU2000: UPS Optional or Required?

This was originally posted on APC forums on 12/3/2012


Reading the docs, I get an impression that the UPS is for generator starting and choke control, but not much else.

Or am I just wishing?

The real question: will my UTS6H function without a UPS plugged in to it?

FWIW, intended use is with a single EU2000 - and maybe a pair of them later on.

Correlory Question:

Is there something special about circuit #1? I see references to it in connection with a UPS, but can't dope out what's going on.

Seems like circuits 5 & 6 are critical somehow and must be used. But #1? Going back to the No-UPS scenario, is circuit #1 going to suffer?

Message was edited by: PeteCress


Accepted Solutions
Boatingrtb_apc
Lieutenant JG
Lieutenant JG
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0
232

Re: UTS6H + EU2000: UPS Optional or Required?

This was originally posted on APC forums on 12/10/2012


a UPS is optional on all the UTS models. However it can provide some really slick features.

Without a UPS plugged into the UTS, when the power goes out, the UTS will go dark along with the house. When you plug your running generator into the UTS, power is restored & the UTS lights back up & switches your house circuits from City Mains to Generator.

The UPS is used to power one or more house circuits. It has nothing to do with starting the starter motor on the generator or the choke control on the carb of the generator. If you have an automatic start generator and are going to set the UTS to auto-start your generator, then you do require the UPS in order for the UTS to run it's auto-start logic to send the signal down the wires to the generator telling it to start up.

With the UTS, you basically have 3 different power sources for your house circuits, City Mains, UPS, and Generator. If you have a UPS plugged into the UTS, those house circuits set on the UTS to use the UPS will have power when the City Power goes out. The nice thing about a UPS is you can have lights & garage door, for example, with power so you can get your generator out & start it up & plug it in with out having to use a flashlight.

Circuit 1, is also used to recharge the UPS. Since circuit 1 is where the UPS plugs into the UTS, the UPS can not charge itself when the UTS is running on UPS power. That's all the issue is with circuit 1.

Circuit 1 will run fine on generator or city power with no UPS. Without a UPS, the only thing you will notice is you will have no power to any house circuits between the time the city power goes out & you plug in your running EU2000.

If you're going for a 6 circuit UTS with an EU2000, get the 120v UTS. I think it may be a UTS6H as you've indicated in the subject.

Circuits 5 & 6 have to be on opposite power legs in your circuit breaker box to sense when both 120v legs of city power go out. That's how the UTS decides there is an outage in the city power.

I hope this helps.

-Todd

See Answer In Context

2 Replies 2
BillP
Administrator Administrator
Administrator
0 Likes
0
233

Re: UTS6H + EU2000: UPS Optional or Required?

This reply was originally posted by Angela on APC forums on 12/4/2012


you don't have to use a UPS if you don't want to. it is just there incase you need to have something connected to the UTS on an uninterrupted power source. circuit #1 powers/charges the UPS i believe when on generator and that is what you maybe came across.

Boatingrtb_apc
Lieutenant JG
Lieutenant JG
0 Likes
0
233

Re: UTS6H + EU2000: UPS Optional or Required?

This was originally posted on APC forums on 12/10/2012


a UPS is optional on all the UTS models. However it can provide some really slick features.

Without a UPS plugged into the UTS, when the power goes out, the UTS will go dark along with the house. When you plug your running generator into the UTS, power is restored & the UTS lights back up & switches your house circuits from City Mains to Generator.

The UPS is used to power one or more house circuits. It has nothing to do with starting the starter motor on the generator or the choke control on the carb of the generator. If you have an automatic start generator and are going to set the UTS to auto-start your generator, then you do require the UPS in order for the UTS to run it's auto-start logic to send the signal down the wires to the generator telling it to start up.

With the UTS, you basically have 3 different power sources for your house circuits, City Mains, UPS, and Generator. If you have a UPS plugged into the UTS, those house circuits set on the UTS to use the UPS will have power when the City Power goes out. The nice thing about a UPS is you can have lights & garage door, for example, with power so you can get your generator out & start it up & plug it in with out having to use a flashlight.

Circuit 1, is also used to recharge the UPS. Since circuit 1 is where the UPS plugs into the UTS, the UPS can not charge itself when the UTS is running on UPS power. That's all the issue is with circuit 1.

Circuit 1 will run fine on generator or city power with no UPS. Without a UPS, the only thing you will notice is you will have no power to any house circuits between the time the city power goes out & you plug in your running EU2000.

If you're going for a 6 circuit UTS with an EU2000, get the 120v UTS. I think it may be a UTS6H as you've indicated in the subject.

Circuits 5 & 6 have to be on opposite power legs in your circuit breaker box to sense when both 120v legs of city power go out. That's how the UTS decides there is an outage in the city power.

I hope this helps.

-Todd