MRCOOL DIY-09-HP-WMAH-230C25 / DIY-12-HP-C-115C / DIY-12-HP-WM-115C25 / DIY-12-HP-WMAH-115C25 / DIY-12-HP-WMAH-230C25 / DIY-18-HP-C-230C / DIY-18-HP-WM-230C25 / DIY-18-HP-WMAH-230C25 / DIY-MULTI2-18HP230C Instructions

MRCOOL® DIY® COUPLER

FOR THE DIY® QUICK-CONNECT® LINESET

When one standard size DIY® QUICK

CONNECT
two standard QUICK CONNECT
SETS can be combined using our DIY
COUPLER to increase the desired length of
the QUICK CONNECT

®

LINE SET is not long enough,

®

LINE

®

®

LINE SETS.

DIYCOUPLER-12 DIYCOUPLER-14

1

PLEASE READ CAREFULLY AND FOLLOW
THE INSTRUCTIONS BELOW:

Select the DIY® QUICK CONNECT® LINE SET size to be lengthened (¼ or ½).

Then select the second standard line set with corresponding specifications for

combined connection using the coupler (as shown below).

F1 1/4”

F1 1/4”

F2 1/2”

1/4”

F2 1/2”

1/2”

Use a wrench to assemble the coupler with both F1 and F2 on the
corresponding lineset. Make sure the thread is screwed to the bottom

2

3

until it stops (as shown below).

F1 ¼”

F2 ½”

After the connection is complete, cover the F1, F2, and coupler connections with
the grey insulating sleeve to help prevent condensation (as shown below).

¼”

½”

F1 ¼”

F2 ½”

4

Slide the insulation sleeves together ensuring no copper wiring is
exposed and secure in place using tape.