Use and Care Manual
Page 12mrcool.com
Unit Installation - OPTION 2: No-Vac
®
 Quick Connect
®
 Line Set 
INSTRUCTIONS FOR USE WITH
 NO-VAC™ QUICK CONNECT® LINE SET 
SOLD SEPARATELY
KINK RESISTANT, PRECHARGED, SIMPLE SECURE QUICK CONNECT, 100% CONNECTION GUARANTEE
www.mrcool.com
v01-07-2020
 :
1.
Take out matching male connectors M1 and M2.
2.
DC INVERTER and ensure the threads are clean and complete.
3.
the M1 connector to the 
the M2 connector to the 
4.
Repeat AIR HANDLER LINE SET.
Unroll and route the LINE SET between the AIR HANDLER and the DC INVERTER.
6.
LINE SET.
7.
the LINE SET F1 valve to the M1 Connector 45N. the LINE SET F2 valve to the 
M2 Connector 65N.
8. Repeat AIR HANDLER LINE SET.
9.
At the the at the and open the with a hex wrench to
If close the valve and that steps 
3 and 7 Otherwise
close the valve and that steps 3 and 7 
10. the 
valve’s and 
to help .
Failure to follow the instrucons provided could result in severe harm to you, this product, or other property. 
The manufacturer, distributor, and seller are not responsible for any harm resulng from the failure to follow 
instrucons and the failure to follow these instrucons will void any and all warranes express or implied.
50 N
50 N
70 N
70 N
M1
F1
M1
F1
M2
F2
M2 F2
*1
*1
*2
*2
3/8”
3/8”
3/4”
3/4”
Complete Unit Replacement 
Using The No Vac® Quick Connect® Lines 
Air Handler
Open the stop valve 
only after connecting 
the refrigerate lines
A-coil Precharged 
with 410 Refrigerate 
Connect using precharged 
line set with quick connect 
ttings in length 15, 25, 35, 50 feet
MRCOOL Universal® Series 
DC Inverter










