Carrier 38AD024 User Manual

Carrier
and Service Instructions
38AB.AD
024thro 084
Air-Cooled Condensing Units
Table 1 — Dimensions
UNIT
38AD 38AD
024 028
38AD
034
38AD
044
38AB
054
38AB
064
38AB
084
DIMENSIONS (Ft—in
i.)
Length
A
o
1
CO
12-10%
24- -4
24-4
Width
B
3-11%
4-10%
6- 0‘/ 4
3-11%
4-10%
6- 0%
Height w/o Legs
C
2- 4%
3- r/ 8
3- 2
2- 4%
3- r/ 8
3- 1%
Leg Height
D
1-0 or 2-0
1 —6 or 2—2
1- 8
1 -4 or 2-0
1-6 or 2-2
1 _8 or 2—
Mtg Holes
< J
O
1
sC
o
1
0- 1% 2—%
0- 1%«
0- 1%6
0- 1%
Corner Legs
Ik
3- 8% 3- 8%
4- 7%
5- 7%
00
1
CO
4- 7%
5- 9%
o
i
o
o
1
o
o
1
o
2-%
o
1
o
o
I
o
o
I
o
Middle Legs
Ik
3-10 1 3-10
00
1
xr
5- 7%
CO
1
o
CO
1
XT
5~ioy 2
L
3-3%
3- 7% 6
9-4%
M
9-4%
00
o
5-3%
N
|
1 -
-
9-5%
CONNECTIONS (in
.)
Suction (ODM)
l-%
2-%
2-V
Liquid (ODM)
%
7 /s
1 —%
OPENINGS (in.)
Suction
E
2-%
4
5
(2)5
Liquid
F
1- % I 1- %
1 i- %
2
2-%
3
7/
Control (4 holes)
G
%
1 — 5 4
1
k
Power
H
3-%
5
s-%
(2)3%
*Unit 38AB084 has two suction connections
AIR FLOW
GUSSET -pf
REMOVABLE , n o . HINGED CONTROL
TOP COVER BOX DOOR
\oNLY) 2 NI t Y) REQUIRED OVERHEAD
FL0W*\Ef/ F / E Al 5 ff ACE
38AD024
028, 034
A ^tt
w
i Ckii
mm
'4-0 (BOTH SIDES)
4-0 *.,
(BOTH SIDES)"
-REMOVABLE
END PANELS
HINGED ACCESS DOOR- REQUIRED OVERHEAD
CONTROL BOXi ~ AIR SPACE
AIR FLOW
GUSSET P"
A>
;_HINGED POWER
: BOX DOOR
‘ 4-0"(BOTH SIDES)
38AD044
4 1 - o"——
(BOTH SIDES)
REMOVABLE
END PANELS
AIR FLOW
BOTTOM PANELREMOVABLE REAR
OPENINGPANEL
f Px^Removable top requi
Ilf( COVER OVER!
FLOW AIR SI
HINGED AIR
control V
box covers
/^REMOVABLE TOP REQUIRED
/ COVER OVERHEAD
^^ • AIR FLOW AIR SPACE
38AB054,
064, 084
O' I? \i
4-0 X;
(BOTH SIDES)
'X 4 - 0 "
(BOTH SIDES)
AIR FLOW THRU
CONDENSER
11 SPACE FOR SERVICE
AND AIR FLOW
Certified dimension drawings are available on request
Fig. 1 — Dimensions
©Carrier Corporation 1972
Form 38AD-6SI

Carrier 38AD024 Specifications

General

Refrigerant	R-410A
Compressor Type	Scroll
Phase	1
Cooling Capacity	24000 BTU/h
Heating Capacity	24000 BTU/h
Voltage	208/230V

Summary

Rigging

Skid Removal

Procedures for removing the unit's base skid.

Compressor (with coil) Section Rigging

Steps for lifting and handling the compressor section.

Coil (only) Section Rigging

Steps for lifting and handling the coil section.

Erecting and Integrating One Unit

Guidance on unit placement and assembly.

Refrigerant Piping

Piping Procedure Guidelines

Best practices for piping connections and brazing.

Wiring and Electrical Data

Control Circuit Wiring Diagrams

Wiring schematics for control circuits.

Start-Up Procedures

Preliminary Checks

Preliminary Charge and System Evacuation

Steps for initial refrigerant charge and evacuation.

Service and Operation

Capacity Control Adjustment

Control Circuit Reset

Compressor Motor Protection