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Carrier 38APS025-050 manual

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  • Page 1

    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 . . . . . . . . . . . . . . . . . . . . . . 1 IN[...]

  • Page 2

    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. When dragging, pull the pad or skid. Do not apply for ce to the unit . When [...]

  • Page 3

    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. Refrigera nt charge f or dual circuit uni ts is the total for b ot h circuits . †Maximum v ert[...]

  • Page 4

    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 . Refrigerant cha rge f or dual circuit units is the total for b oth circuits . †Maximu m v er t[...]

  • Page 5

    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 . †Maximum v ertical s[...]

  • Page 6

    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 . †Maximu m v er tical s[...]

  • Page 7

    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 WEIGHT ABCD 025 1089 356 253 200 281 027 1255 396 291 240 327 030 1261 399 293 241 328 040 1998 619 616 380 382 050 2007 623 620 381 383 38APD UNIT SIZE [...]

  • Page 8

    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. A S TM “C” CHANNEL a38-7130[...]

  • Page 9

    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) 17.8 (452) 37.0 (940) 1 3 / 8 (35) 5 / 8 (16) 38APS027 1240 ([...]

  • Page 10

    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) 33.7 (856) 44.1 (1120) 1 5 / 8 (41) 5 / 8 (16) 38APS050 1977 (897) 34.9 (886) 44.0 (1118) 2 1 / 8 ([...]

  • Page 11

    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) 50.9 (1293) 40.6 (1031) 78.5 (1994) 2 1 / 8 (54) 1 [...]

  • Page 12

    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) 72.4 (1839) 43.3 (1099) 2 1 / 8 (54) 7 / 8 (22) 38APD100 2844 [...]

  • Page 13

    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 IZE S 090-100 COMPRE SS OR LAYOUT S INGLE CIRCUIT TOP VIEW S IZE S 025-0 3 0 S IZE S 040-050 CONTROL BOX CONTROL BOX CONTROL BOX CONTROL BOX CONTROL BOX[...]

  • Page 14

    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. 12. **Field supplied. See T a b le 6 for refrigerant spe- cialties par t num b ers . LLSV — Li q uid Line Solenoid V alve NEC — National Electrical Code TXV — Thermostatic Expansion V alv[...]

  • Page 15

    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. 3. Wiring and piping shown are general poi nts-of-connection guides only an d are not intended for , or to include all detai ls for[...]

  • Page 16

    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. E q uivalent sizes in mill imeters fo llow: 38APS UN IT SIZE CIRCUIT A T ons LL Size ([...]

  • Page 17

    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. If the evapo[...]

  • Page 18

    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 . 2. Pipe sizes are b ased on an e q uiv alent length e q ual to the max- imum length[...]

  • Page 19

    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 . 2. Pipe sizes are b ased on an e q uiv alent length e q ual to the max- imu[...]

  • Page 20

    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 . 2. Pipe sizes are b a sed on an e q uivalent length e q ual to the maximum length[...]

  • Page 21

    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 . 2. Pipe sizes are b a sed on an e q uiv alent length e q ual t o the maximum lengt[...]

  • Page 22

    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 . See Fig. 13 (for 38APD025-100 dual-circuit u[...]

  • Page 23

    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. †Field-supplied when re q uired. See T[...]

  • Page 24

    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. Fig. 16 — Typical Piping Connections for Face Split Coils for 38APS025-050 Singl e-Circuit Units TXV — Thermostatic Expansion V alv e TYP — Ty p i c a l LEGEND NO TE: For [...]

  • Page 25

    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. T ube 3-Row , 3 / 8 in. T ube 4-Row , 3 / 8 in. T ube 025 Circuit A 18.9 12.7 9.5 36.1 28.1 C[...]

  • Page 26

    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. PO WE R W IR IN G — All power wiring must comply with applicable local a[...]

  • Page 27

    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. Main power must b e supplied fro m a field or factor y-suppli ed disconnec t. 3. W[...]

  • Page 28

    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. 21 — Constant Volume Application Wiring Diag ram 2-Stage Ther mostat Control — with Dig[...]

  • Page 29

    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. LV T TERMINAL S TRIP † * * Fig. 22 — Constant Vo lume App[...]

  • Page 30

    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. Main power must b e supplied from a field or factor y- supplied disconnect. 3. W[...]

  • Page 31

    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. Maximum a llowa b le pha se im b alance is: v [...]

  • Page 32

    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%. 2. All units or modules hav e single point[...]

  • Page 33

    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%. 2. All units or modules hav e si ngle po[...]

  • Page 34

    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. 3. Time dela y fuse type re q uired. Step 5 — Install Accesso ries LO W [...]

  • Page 35

    35[...]

  • Page 36

    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 . 04-53 380002-01 Printed in U .S .A. Form 38AP-1SI Pg 36 8-09 Replaces: Ne w Copy right 2009 Carrier Cor poration[...]