Carrier 18K-24K User manual

Installation Manual
Accessories .................................................................................02
Installation Summary..................................................................03
Unit Parts......................................................................................04
Indoor Unit Installation ...............................................................05
1. Select installation location.........................................................................................................................05
2. Hang indoor unit........................................................................................................................................07
3. Drill wall hole for connective piping ...........................................................................................................09
4. Connect drain hose ...................................................................................................................................09
Outdoor Unit Installation ............................................................10
1. Select installation location.........................................................................................................................10
2. Install drain joint.........................................................................................................................................11
3. Anchor outdoor unit ...................................................................................................................................11
Refrigerant Piping Connection...................................................13
A. Note on Pipe Length .................................................................................................................................13
B. Connection Instructions – Refrigerant Piping............................................................................................14
1. Cut pipe................................................................................................................................................14
2. Remove burrs.......................................................................................................................................14
3. Flare pipe ends.....................................................................................................................................14
4. Connect pipes ......................................................................................................................................15
Wiring ...........................................................................................16
1. Outdoor Uint Wiring...................................................................................................................................17
2. Indoor Uint Wiring......................................................................................................................................18
Air Evacuation .............................................................................21
1. Evacuation Instructions .............................................................................................................................21
2. Note on Adding Refrigerant.......................................................................................................................22
Test Run ......................................................................................23

Safety
Precautions
Accessories
The air conditioning system comes with the following accessories. Use all of the installation parts and accessories
to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or cause
the equipment to fail. The items are not included with the air conditioner must be purchased separately.
Name of Accessories Q‘ty(pc) Shape Name of Accessories Q‘ty(pc) Shape
Manual 2~4 Remote controller
(some models) 1
Soundproof/insulation sheath
(some models) 1Battery(some models) 2
Outlet pipe sheath (some
models) 1Remote controller holder(some models) 1
Outlet pipe clasp
(some models) 1Fixing screw for remote
controller holder(some
models) 2
Drain joint
(some models) 1
Magnetic ring (wrap the
electric wires S1 & S2 ( P &
Q & E ) around the magnetic
ring twice) (some models)
1
S1&S2(P&Q&E)
Seal ring
(some models) 1
Magnetic ring (Hitch it
on the connective cable
between indoor unit
and outdoor unit after
installation.)
(some models)
Varies by
model
Copper nut 2 Conduit installation plate
(some models) 1
Name Shape Quantity (PC)
Connecting pipe assembly
Liquid side
ø6.35 (1/4 in)
Parts you must purchase
separately. Consult the dealer
about the proper pipe size of
the unit you purchased.
ø9.52 (3/8in)
ø12.7 (1/2in)
Gas side
ø9.52 (3/8in)
ø12.7 (1/2in)
ø16 (5/8in)
ø19 (3/4in)
ø22 (7/8in)
Page 02-GB
Accessories

Safety
Precautions
Page 03-GB
Installation
Summary
Installation Summary
Perform a test run
Install the indoor unit
Evacuate the refrigeration
system
Install the drainpipe
Connect the wires
Install the outdoor unit
Connect the refrigerant pipes