Installation Guide

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
Please read and follow the instrucons and diagram below
ⱡ
:
1.
Take out matching male connectors M1 and M2.
2.
Remove protecve cap with the copper gasket at each stop valve on the DC INVERTER and ensure the threads are clean and complete.
3.
Tighten the M1 connector to the cutoff valve *1 with a ghtening force of 50N.
Tighten the M2 connector to the cutoff valve *2 with a ghtening force of 70N.
4.
Repeat step 3 for AIR HANDLER at the other end of the LINE SET.
5.
Unroll and route the LINE SET between the AIR HANDLER and the DC INVERTER.
6.
Remove the protecve caps of the valves at both ends of the LINE SET. Verify that all threads are clean and complete.
7.
Tighten the LINE SET F1 valve to the M1 Connector (aached in step 3) with a force of 45N. Tighten the LINE SET F2 valve to the
M2 Connector (aached in step 3) with a ghtening force of 65N.
8. Repeat this process for the AIR HANDLER at the other end of the LINE SET.
Connecons must be made exactly as specified to avoid system leaks and /or damage
9.
At the OUTDOOR UNIT remove the protecve cap at the cutoff valve switch and open the cutoff valve with a hex wrench to
run the refrigeraon circuit. If there is any fizz, grease or other leakage, close the valve immediately and check that steps
3 and 7 were done properly. Otherwise, immediately apply soapy water for micro-leakage detecon. Soak the joints using
a sponge or spray bole. If any bubbles form, close the valve immediately and check that steps 3 and 7 were done properly.
10. Aer the correct connecon, re-ghten the cutoff valve’s protecon cap and cover the M1, M2 and F1, F2 connecons
with the grey insulang sleeve to help prevent condensaon.
Failure to follow the instrucons provided could result in severe harm to you, this product, or other property.
The manufacturer, distributor, and seller are not responsible for any harm resulng from the failure to follow
instrucons and the failure to follow these instrucons will void any and all warranes 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