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beida
29-10-2015, 10:18 PM
Hi brothers 😎
I have one chiller York ec 500 (R407c)
I need to determine gleycol %
The setpoint is -1
Not : I have refractometr to test the % of propylene glycol
I'm waiting for your help ....✌
Thanks again for your time

Magoo
30-10-2015, 01:16 AM
select a mix ratio for -10'C and use a hydrometer to test specific density of mix. Ethylene glycol or mono propylene glycol. Mix is by weight.

beida
30-10-2015, 02:12 AM
Thanks for helping
Mr Magoo ��