Instruction/ maintenance manual of the product 38APD025-100 Carrier
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Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53 380002-01 Printed in U .S .A. Form 38AP-1SI Pg 1 8-09 Replaces: Ne w Installation Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 DO ME ST IC UN IT S — S tandard 38AP unit packaging con- sists of coil protection only . Skids ar e not pr ovided. If overhead rigging is not available at the jobsite, place the unit on a skid or pad before dragging or rolling. When rolling, use a minimum of 3 rollers.
3 Table 1 — 38AP025-050 U nit Physical Data — English LEGEND *T ypical o perating charge with 25 ft o f interconnecting pipi ng. Operati ng charge is appro ximate f or maximum system capacity . Unit is factory supplied with nitrogen holding ch arge.
4 Table 2 — 38AP060-100 U nit Physical Data — English LEGEND *T ypical o perating charge with 25 ft o f interconnecting pi ping. Operati ng charge is appro ximate f or maximum system capacity . Unit is factory supplied with nitrogen holding charge .
5 Table 3 — 38AP025 -050 Unit Physical Data — SI LEGEND *T ypical oper ating charge with 7.62 m of interconnecting pipi ng. Operating charge is appro ximate f or maximum system capacity . Unit is factory supplied with nitrogen holding ch arge. Refrigera nt charge f or dual circuit uni ts is the total for b ot h circuits .
6 Table 4 — 38AP060 -100 Unit Physical Data — SI LEGEND *T ypical operating charge with 7.62 m of intercon necting piping. Oper ating charge is appro ximate f or maximum system capacity . Unit is factory supplied with nitrogen holding charge . Refrigerant cha rge f or dual circuit units is the total for b oth circuits .
7 Table 5 — Oper ational Corner Weights wit h Refrigerant Charge (Appro ximate) 38APS Unit (lb) 38APD Unit (lb) 38APS Unit (kg) 38APD Unit (kg) 38APS UNIT SIZE TOT A L WEIGHT OPERA TIONAL CORNER WEI.
8 Fig. 3 — Rigging Labels Fig. 4 — Perimeter Support Channe l SIZES 025 TO 060 SIZES 070 T O 100 a38-71 15 a38-71 16 LEGEND ASTM — American Society for T esting a nd Materials 4 x 24 in.
9 UNIT ST AND ARD WEIGHT , lb (kg) CENTER OF GRA VITY , in. (mm) HEIGHT , in. (mm) PO WER ENTR Y , in. (mm) SER VICE V AL VE CONNECTIONS, in. (mm) X Y H P Suction Liquid Standard 38APS025 1077 (489) 17.8 (452) 36.9 (937 ) 61.0 (1549) 24.9 (632) 1 5 / 8 (41) 5 / 8 (16) 38APD025 1095 (497) 17.
10 UNIT ST ANDARD WEIGHT , lb (kg) CENTER OF GRA VITY , in. (mm) HEIGHT , in. (mm) SER VICE V AL VE CONNECTIONS, in. (mm) X Y H Suction Liquid Standard 38APS040 1968 (893) 35.0 (869) 44.0 (1118) 73.0 (1854) 2 1 / 8 (54) 7 / 8 (22) 38APD040 2094 (950) 33.
11 UNIT ST ANDARD WEIGHT , lb (kg) CENTER OF GRA VITY , in. (mm) HEIGHT , in. (mm) SER VICE V AL VE CONNECTIONS, in. (mm) Suction Li quid X Y H Circuit A Circuit B Standard 38APD070 2450 (1111) 50.9 (1293) 40.6 (1031) 73.0 (1854) 2 1 / 8 (54 ) 1 5 / 8 (41) 7 / 8 (22) Low Sound 38APD070 2522 (1144) 50.
12 UNIT ST ANDARD WEIGHT , lb (kg) CENTER OF GRA VITY , in. (mm) HEIGHT , in. (mm) SER VICE V AL VE CONNECTIONS, in. (mm) Suction Li quid X Y H Circuit A Circuit B Standard 38APD080 2610 (1184) 67.6 (1716) 40.2 (1020) 73.0 (1854) 2 1 / 8 (54) 1 5 / 8 (41) 7 / 8 (22) 38APD090 2835 (1286) 72.
13 OUTDOOR FAN LAYOUT ( S in g le and Dual Circuit) S IZE S 025-0 3 0 S IZE S 040-050 S IZE S 060-070 COMPRE SS OR LAYOUT DUAL CIRCUIT S IZE S 025-0 3 0 S IZE S 040-060 S IZE S 070-0 8 0 TOP VIEW S IZ.
14 40RU a38-7098_gs LEGEND *Field supplied. †If dou b le suction riser is re q uired f or piping system, size short riser (3 ft maximum) according to Fig.
15 a38-7099_gs NO TES: 1. All piping must follo w standard refrigerant piping techni q ues. Ref er to Carrier System Design Manual f or details. 2. All wiring must comply with the applica b le local and national codes.
16 Table 6 — Refriger ant Specialt ies Part Numbers LEGEND *Bushing re q uired to fit 5 / 8 in. line. NO TE: 1. Fil ter drie rs hav e b een sized b ased upon 1 to 2 p sig pressure drop clean in accordance with ARI Standard 710. 2. All pip e sizes are OD inches.
17 Step 3 — Make Refrigerant Piping Connections The units have large suction lines to minimize friction loss- es. The units also have the ability to operate at low capacity . Because of these capabilities, use special care with suction pip- ing and suction risers to ensure proper compressor oi l return under all operating conditions.
18 Table 7 — Refrigerant Piping Re quirements 38APS025-050 Single-Circuit Units (60 Hz) 38APD025-100 Dual-Circuit Units (60 Hz) LEGEND NO TES: 1. Shading indicates dou b le suction riser re q uired on units if con- densing unit is located higher than ev aporator .
19 Table 7 — Refrigerant Piping Requirement s (cont) 38APS025-050 Single-Circuit Units (50 Hz) 38APD025-100 Dual-Cir cuit Units (50 Hz) LEGEND NO TES: 1. Shading indicates dou b le suction riser re q uired on units if con- densing unit is located higher than ev aporator .
20 Table 7 — Refrigerant Piping Requirement s (cont) 38APS025-50 Single-Circuit Unit s Double Suction Riser (60 Hz) 38APD025-100 Dual-Circ uit Units Double Suction Riser (60 Hz) LEGEND 1. Refer to the figure locat ed to the right f or suction line piping locations .
21 Table 7 — Refrigerant Piping Requirement s (cont) 38APS025-50 Single-Circuit Unit s Double Suction Riser (50 Hz) 38APD025-100 Dual-Circuit Units Double Suction Riser (50 Hz) LEGEND 1. Refer to the figure locat ed to the right f or suction line piping locations .
22 LIQUID LINE SOLENOID V AL VE — Fi el d - su p p l ie d liquid line solenoid valve(s) must be in stalled at the evaporator if coil surface area is exceeded per T able 8. Install liquid line solenoid valve just ahead of the TXVs (thermostatic expansion valves) which will be mounted at the evaporator .
23 LEGEND *Field-supplied. †Field-supplied when re q uired. See T a b le 8. Fig. 13 — Re quired Location of Solenoid Valves a nd Recommended Filter Drier and Sight Glass Locat ions for 38APD025-1 00 Dual-Circui t Units LLS — Li q uid Line Solenoid TXV — Ther mostatic Expansion V alve *Field-supplied.
24 SECTION SECTION SECTION SECTION a38-7120 SECTION SECTION SECTION SECTION LEGEND NO TE: F or units with single condensat e pan, lo wer coil section is first on, last off.
25 Table 8 — Requirements for Installation of Liquid Line Solenoid Valve 38AP UNIT SIZE CIRCUIT MAXIMUM ALLO W ABLE EV APORA T OR SURF ACE AREA WITHOUT LIQUID LINE SOLENOID V AL VE (sq ft) 4-Row , 1 / 2 in. T ube 6-Row , 1 / 2 in. T ube 8-Row , 1 / 2 in.
26 Step 4 — Make Electrical Connection s PO WE R S UP PL Y — The electrical characteristic s of the available power supply must agree with the unit nameplate rating. Supply voltage must be within the limits shown in T ables 9-12. See T able 13 for incoming power options.
27 Fig. 18 — Field Po wer Wiring LEGEN D NO TES : 1. Factory wiring is in accordance with UL 1995 standards. Field modifi cations or additions must b e in compliance wit h all applica b le codes. 2. All unit s or modules hav e single point primary power connection.
28 a38-7125 * * LV T TERMINAL S TRIP † 6 * LV T TERMINAL S TRIP Fig. 20 — Constant Volume Applic ation Wiring Diagra m 2-Stage Thermos tat Control, Sizes 025 -030 — without Digital Scroll O ption *Not re q uired f or single circuit units. a38-7126 Fig.
29 Fig. 23 — Variable Air Volume Appl icatio n Wiring Diagram, Sizes 025-100 *See Fig. 19 for EA T and SA T location. †Not re q uired for single circuit units. LV T TERMINAL S TRIP * * † a38-7127 *See Fig. 19 fo r EA T and SA T location. †Not re q uired f or single circuit units.
30 Legend and Notes f or Fig. 20-24 LEGEND NO TES: 1. F actory wir ing is in accordance with UL 1995 standards. Field modifications or additions must b e in compliance with all appli- ca b le codes. 2. All units or modules hav e single point primary power connec- tion.
31 Table 9 — 38APS Standa rd Condenser Fan Electrical Da ta Table 10 — 38APS Low Sound Condenser Fa n Electrical Data LEGEND NO TES: 1. Units are suita b le for use on electrical systems where v oltage supplied to the unit terminals is not b elow or a b ov e the liste d minimum and maximum limit s.
32 Table 11 — 38APD Standard Condenser Fan Electrica l Data LEGEND NO TES: 1. Units are suita b le for use on electrical systems where voltage supplied to the unit ter minals is not b elow or a b ov e the listed minimum and maximum limits . Maximum allo wa b le phase im b alance is: voltage 2%; amps 10%.
33 Table 12 — 38APD Low Sound C onde nser Fan Electrical Data LEGEND NO TES: 1. Units are suita b le for use on electrical systems where voltage supplied to the unit ter minals is not b elow or a b ov e the listed minimum and maximum limits . Maximum allo wa b le phase im b alance is: voltage 2%; amps 10%.
34 Table 13 — Unit Incomin g Power Options LEGEND NO TES: 1. T er minal b loc k high SCCR option units must use approv ed fuses to meet high SCCR rating. 2. High SCCR disconnect option un its can use either approv ed fuse or circuit b reaker f or incoming power protection.
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Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
An important point after buying a device Carrier 38APD025-100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 38APD025-100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 38APD025-100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 38APD025-100 you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 38APD025-100 will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 38APD025-100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 38APD025-100.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 38APD025-100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 38APD025-100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
