Hello again TJ,
Regarding HASKRIS model number: I wrote down the wrong number in the
earlier message.
Model: INDOOR WW2-230V-ABHK(R4)-CSA
Cheers,
Bob.
On 2024-07-15 12:13 p.m., Bob Berno wrote:
> Hello TJ,
>
> I hope you can sort out the problem.
> On a related note, if point 3(b) - that your UPS can't handle the
> power spike when pumps/compressors power on - is the root cause of
> your problem, then when the UPS fails, it may automatically switch to
> "bypass" mode - which I mentioned in point 3 (c).
>
> Regarding the automatic switch to city water: that was a feature in
> the particular model of HASKRIS chiller we ordered. I had asked about
> backup city water. They said that if we could but the necessary
> plumbing in pace, they could sell us a chiller that could
> automatically switch between chilled water and city water.
> NOTE: once the system switches to city water, one has to manually
> switch back to chilled water. I think that is a safety feature, which
> makes sense.
>
> For your reference, our HASKRIS chiller model is: INDOOR WW2-230V-10-60Hz
>
> Good luck,
> Bob.
>
> On 2024-07-15 11:33 a.m., Thusitha Jayasundera via groups.io wrote:
>>
>>
>> Thanks Bob--I know that we definitely do not have a city water
>> backup. I wasn't even aware that this was a possibility, and should
>> check on this immediately. Thus far, the issue has always occurred
>> during a power switch, and I think the point you make in 3 (b) is
>> likely where we went wrong--so I should look into that as well.
>>
>> Much appreciation to both of you for your suggestions!
>>
>> Best,
>>
>> TJ.
>>
>>
>
> --
> Dr. Bob Berno
> Manager, NMR Facility
> McMaster University, ABB-156
> 1280 Main St. West
> Hamilton, ON L8S 4M1
> T: 905-525-9140 x24158 or x24686
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--
Dr. Bob Berno
Manager, NMR Facility
McMaster University, ABB-156
1280 Main St. West
Hamilton, ON L8S 4M1
T: 905-525-9140 x24158 or x24686
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