Installation guide

These installation instructions cover the installation of the matched
systems listed in table 2.
Parts List
Indoor Unit
The following items are included with the indoor unit:
Table I - Installation Materials
Description Qty Usage
Wall Mounting 1 For Indoor Unit Installation
Bracket
For Attaching The Remote Control
Screws, 4XLIO 2 Holder To The Wall
For Attaching The Mounting Bracket To
Screws, 5XL25 5/14" The Wall
Remote Control 1 For Controlling Unit
Remote Control
1 Holder For Remote Control
Holder
5 screws for unit sizes 18 and 24. 14 screws for unit sizes 30 and 36.
Outdoor Unit
The following items are included with the outdoor unit:
BODY
METERED FLOW
COOLING
38HDF018-036
Fig. 5 - 38HDF018-036
A09499
BODY
A09500
Fig. 6 - 38QRF018-036
Piston Flare
Model Filter Drier Pistons*
Cap Connector
38HDF _-_ _-_ _-_ _-_
38QRF _-_ _-_ (qty 2) _-_ _-_(qty 3)
Multiple pistons. Quantity varies with size.
Table 2 - Matched Systems
System Nominal Outdoor Indoor
Type Capacity Unit Unit
018 38HDFO18---3 40QNC018024---3
Cooling 024 38HDF024---3 40QNC018024---3
Only 030 38HDF030---3 40QNC030---3
036 38HDF036---3/5/6 40QNC036---3
018 38QRF018---3 40QNQ018---3
Heat 024 38QRF024---3 40QNQ024---3
Pump 030 38QRF030---3 40QNQ030---3
036 38QRF036- - -3/5/6 40QNQ036- - -3
SYSTEM REQUIREMENTS
Clearances
Allow sufficient space around the indoor and outdoor unit for
proper airflow circulation and servicing. Refer to Fig. 3 and Fig. 4
for minimum required clearances.
Piping: Piping and insulation is field supplied.
PiDinu Lenuths
The minimum length between the indoor and outdoor units is 10 fl
(3 m). Refer to table 3 for the maximum lengths allowed.
Table 3 - Maximum Refrigerant Line Lengths
Unit Max Line Max Elevation (ID Max Elevation (OD
Size Length if(m) over OD) if(m) over OD) ft(m)
18K 200 (61) 65 (19.8) 200 (61)
24K 200 (61) 65 (19.8) 200 (61)
3OK 200 (61) 65 (19.8) 200 (61)
36K 200 (61) 65 (19.8) 200 (61)
Note:For lengths greater than 25 ft (7.6 m), refer to the Duct Free Long
Line Guide.
Pipe Sizes
Refer to table 4 for pipe sizes.
Table 4 - Pipe Sizes
Pipe Sizes (in)
Unit Size Mix Phase - in Vapor - in
18K 3/8 5/8
24K 3/8 5/8
30K 3/8 3/4
36K 3/8 3/4
Note:Both lines need to be insulated using at least 1/2 inch closed foam
insulation.
Condensate Drain Pipe Sizes
Refer to table 5 for the required sizes.
Table 5 - Drain Pipe Sizes
Unit Size Outside Diameter - in Inside Diameter - in
18K 5/8 7/16
24K 5/8 7/16
30K 3/4 5/9
36K 3/4 5/9
Note: Do not trap condensate pipe.