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Carrier 38HDL018-060 manual

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Table of contents for the manual

  • Page 1

    Installation, Start-Up and Service Instructions CONTENTS Page SAFETY CONSIDERA TIONS ...................1 INST ALLA TION ..............................1 - 7 Step 1 — Complete Pre-Installation Checks ....................................1 • UNP ACK UNIT • INSPECT SHIPMENT • CONSIDER SYSTEM REQUIREMENTS Step 2 — Rig and Mount Unit ..........[...]

  • Page 2

    UNIT SIZE 38HDL ABC D E F G H J K L M OPERA TING WEIGHT ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm lb kg 018 2-1 1 ⁄ 8 638.2 3-0 15 ⁄ 16 938.2 1-2 9 ⁄ 16 369.9 1-4 406.4 1-1 1 7 ⁄ 16 595.3 1-5 3 ⁄ 16 436.6 1-5 1 ⁄ 2 444.5 1-8 1 ⁄ 8 51 1.2 1-1 330.2 0-6 5 ⁄ [...]

  • Page 3

    Step 2 — Rig and Mount Unit MOUNTING ON GROUND — Mount unit on a solid, level concrete pad. Position unit so water or ice from roof does not fall directly into unit. Field-fabricated stacking kits can be used when units are to be stacked. If conditions or local codes require unit to be fastened to a pad, 6 field-supplied tiedown bolts should b[...]

  • Page 4

    with a wet cloth, the tubing set can be brazed to the service valve using either silver bearing or non-silver bearing braz- ing material. Consult local code requirements. Refrigerant tubing and indoor coil are ready for leak testing. NOTE: Unit is shipped with R-22 full factory charge indi- cated on nameplate. Pass nitrogen or other inert gas throu[...]

  • Page 5

    T able 1A — Physical Data (English) UNIT 38HDL 018 024 030 036 048 060 NOMINAL CAP ACITY (Btuh) 18,000 24,000 30,000 36,000 48,000 60,000 UNIT OPERA TING WEIGHT (lb) 130 136 161 185 222 249 COMPRESSOR Hermetic T ype Copeland Copeland Copeland T ecumseh Copeland Copeland Scroll Scroll Scroll Reciprocating Scroll Scroll Model ZR18KC-PFV ZR24KC-PFV [...]

  • Page 6

    LEGEND C— Contactor (12-va) HC — Heating Control IFM — Indoor-Fan Motor IFR — Indoor-Fan Relay TRANS — T ransformer Field Wiring Factory Wiring *The IFR and IFM are located in indoor unit on heating-cooling applications. If accessory IFR is required for cooling-only applic- tions, locate (IFR) in fan coil. NOTE: Refer to unit wiring label[...]

  • Page 7

    T able 2 — American/European W ire Conversions AMERICAN EUROPEAN Industry Standard Size American Conversion (mm) Industry Standard Size (mm 2 ) 18 A WG 0.82 1.0 16 A WG 1.30 1.5 14 A WG 2.08 2.5 12 A WG 3.30 4.0 10 A WG 5.25 6.0 8A W G 6.36 10.0 6A W G 13.29 16.0 4A W G 21.14 25.0 3A W G 26.65 — 2A W G 33.61 35.0 1A W G 42.39 50.0 1/0 A WG 53.4[...]

  • Page 8

    T able 3 — Electrical Data UNIT SIZE 38HDL V -PH-Hz OPERA TIONAL VOL T AGE* COMPRESSOR POWER SUPPL Y Min Max RLA LRA Fan FLA MCA Max Fuse† or HACR-T ype Ckt Bkr Amps 018 208/230-1-60 187 254 10.7 47.0 .70 14.1 25 024 13.2 59.0 .70 17.2 30 030 15.7 73.0 .70 20.3 35 036 14.2 86.7 .70 18.5 30 048 24.3 131.0 1.45 31.8 50 060 28.6 170.0 1.45 37.2 65[...]

  • Page 9

    SUBCOOLING METHOD (COOLING, TXV) — T o check and adjust charge during cooling season, use T ables 6A and 6B and the following procedure: 1. Operate unit a minimum of 15 minutes before checking charge. 2. Measure liquid line temperature near liquid line service valve, and measure liquid pressure at liquid line service valve. Use a digital thermome[...]

  • Page 10

    MAINTENANCE Before performing recommended maintenance, be sure unit main power is of f. Failure to do so may result in electrical shock or injury from rotating fan blades. Lubrication F AN-MOTOR BEARINGS — Oiling holes are provided at each end of the condenser-fan motor . Remove fan motor and lubricate motor with 32 drops (16 drops per hole) of S[...]

  • Page 11

    TROUBLESHOOTING TROUBLESHOOTING CHART — COOLING CYCLE 11[...]

  • Page 12

    Copyright 1998 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Ta b 3 a 2 a PC 1 1 1 Catalog No. 563-899 Printed in U.S.A. Form 38HDL-1SI Pg 12 9-98 Replaces: New[...]