Installation Guide

Contents
Indoor Unit Installation ........... 20
1. Selecting an installation location ......... 20
4.
Prepare refrigerant piping .................... 23
5. Mount indoor unit .................................. 23
Outdoor Unit Installation ......
24
1. Selecting an installation location ..... 24
2. Install drain joint ................................ 25
6
Refrigerant Piping Connections .................... 28
Electrical Connections .................................... 38
Test Run ............................................................ 45
8
9
10
11
5
Page 2mrcool.com
Electrical and Gas Leak Checks ..................... 44
Troubleshooting .............................................. 47
26
1. Prepare Exterior Wall Hole .................................................. 28
2. Unwind Quick Connect® Line Set* to necessary length .. 28
3. Connect Line Set to Indoor Unit .......................................... 29
4. Connect Line Set to Outdoor Unit ..................................... 31
5. Opening Refrigerant Valves of Outdoor Unit ..................... 33
6. Wrap Piping Connections ..................................................... 35
7. Connect drain pipe ................................................................ 36
21
21
*Pat. https://mrcool.com/mrcool-patents/
Install Line Set Adapter Kit (only if using 24K air handler) ........ 32
Opening Main Valves (King Valves) of Outdoor Unit .................. 33
7
Indoor Unit Error Code Display ....................................................
44
Outdoor Unit Error Code Display .................................................
50
Troubleshooting by Error Code ....................................................
51
Automatic Wiring/ Piping Correction Function ...........................
53
12
EU Disposal Guidelines .................................... 54
Connect MC Cable(s) to Outdoor Condenser .................... 42