7
These installation instructions cover the installation o f the matched
systems listed in table 2.

Parts List

IndoorUni t

Thefollowing items are includedwith the indoor unit:
Table1 – Installatio n Materials
Part No. Nameof Part Qty.
1SidePanels 2
2HexHead Bolts 4
3MountingBracket 2
4Pistons 1
5InstallationTemplate 1
6Adapter Tubes 2
A09532
Fig.6 -- Hanging Fan Coil Unit

Outdoor Unit

Thefollowing items are includedwith the outdoor unit:
A09536
Fig.7 -- 38HDR018--036
A09537
Fig.8 -- 38QRR018--036
Model Filter Drier Piston
Cap Pistons Flare
Connector
38HDR n--- --- ---
38QRR n n n n
Table2 – Match ed Systems
System
Type
Nominal
Capacity OutdoorUnit IndoorUnit
Cooling
018 38H D R 0 1 8 --- --- --- 3 40 Q AC 0 2 4 --- --- --- 3
*
024 38H D R 0 2 4 --- --- --- 3 40 Q AC 0 2 4 --- --- --- 3
030 38H D R 0 3 0 --- --- --- 3 40 Q AC 0 3 6 --- --- --- 3
036 38HDR036---------3/5/6 40Q A C 0 3 6 --- --- --- 3
048 38HDR048---------3/5/6 40Q A C 0 4 8 --- --- --- 3
060 38HDR060---------3/5/6 40Q A C 0 6 0 --- --- --- 3
HeatPumps
HeatPumps
018 38Q R R 0 1 8 --- --- --- 3 40Q A Q 0 2 4 --- --- --- 3
024 38Q R R 0 2 4 --- --- --- 3 40Q A Q 0 2 4 --- --- --- 3
030 38Q R R 0 3 0 --- --- --- 3 40Q A Q 0 3 6 --- --- --- 3
036 38QRR036 ---------3/5/6 40QAQ 0 3 6 --- --- --- 3
048 38QRR048 ---------3/5/6 40QAQ 0 4 8 --- --- --- 3
060 38QRR060 ---------3/5/6 40QAQ 0 6 0 --- --- --- 3
* Units mustbe configured for 1---1/2ton operation. Refer to instructions
onpage 9.
SYSTEM REQUIREMENTS

Clearances

Allow sufficientspace around the indoor and outdoor unit for
proper airflowcirculation and servicing. Refer to Fig. 1 through
Fig.5 for minimum requiredclearances.
Piping: Pipingand insulation isfield supplied.

Piping Lengths

Theminimum length between theindoor and outdoor units is 10ft
(3m). Referto table 3 for themaximum lengths allowed.
Table3 – Maximum RefrigerantLine Lengths
Unit
Size
MaxLine
Lengthft(m)
MaxElevatio n (ID
overOD) ft(m)
MaxElevatio n (OD
overOD) ft(m)
18K 200 (61) 65(19.8) 200 (61)
24K 200 (61) 65(19.8) 200 (61)
30K 200 (61) 65(19.8) 200 (61)
36K 200 (61) 65(19.8) 200 (61)
48K 200 (61) 65(19.8) 200 (61)
60K 200 (61) 65(19.8) 200 (61)
Note:For lengths greater than 25 ft (7.6 m), refer to the Duct F reeLo ng
LineGuide.

PipeSizes

Referto table 4 for pipe sizes.
Table4–PipeSizes
PIPESIZES (i n)
UnitSize Liquid Phase Vapor
38HDR 38QRR
18 3/8 5/8 5/8
24 3/8 5/8 5/8
30 3/8 3/4 3/4
36 3/8 3/4 3/4
48 3/8 7/8 3/4
60 3/8 7/8 3/4
Note:Onheat pumps, both lines need to be insulatedusing at least 1/2 inch
closedfoam insulation.
40QAC/38HDR -- 40QAQ/38QR
R