ECR International MHWAL Serie Manuel D'installation page 3

Installation Manual
Accessories
...........................................................................................17
Installation Summary - Indoor Unit
Unit Parts .............................................................................................19
Indoor Unit Installation
1. Select installation location..............................................................................................................20
2. Attach mounting plate to wall........................................................................................................20
3. Drill wall hole for connective piping................................................................................................21
4. Prepare refrigerant piping...............................................................................................................22
5. Connect drain hose........................................................................................................................24
6. Connect signal and power cables...................................................................................................25
7. Wrap piping and cables..................................................................................................................26
8. Mount indoor unit.........................................................................................................................27
Outdoor Unit Installation.........................................................................27
1. Select installation location..............................................................................................................27
2. Install drain joint............................................................................................................................28
3. Anchor outdoor unit......................................................................................................................28
4. Connect signal and power cables...................................................................................................30
Refrigerant Piping Connection.........................................................31
A. Note on Pipe Length....................................................................................................................31
B. Connection Instructions -Refrigerant Piping.................................................................................31
1. Cut pipe.................................................................................................................................31
2. Remove burrs.........................................................................................................................32
3. Flare pipe ends.......................................................................................................................32
4. Connect pipes........................................................................................................................32
Air Evacuation...................................................................................34
1. Evacuation Instructions................................................................................................................34
2. Note on Adding Refrigerant.........................................................................................................35
Electrical and Gas Leak Checks........................................................36
Test Run.............................................................................................37
Packing and unpacking the unit .....................................................38
..................................................18
.......................................................................20