Carrier 38AE User Manual

Browse online or download User Manual for Conditioners Carrier 38AE. Carrier 38AE User Manual

  • Download
  • Add to my manuals
  • Print
  • Page
    / 12
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 0
HEATING & COOLING
38AE
012,014,016
Air-Cooled Condensing Units
Installation, Start-Up and Service Instructions
50 and 60 Hz
INSTALLATION
Step 1 — Complete Pre-Installation Checks
UNCRATE UNIT — Remove unit packaging except for
the top skid assembly, which should be left in place until
after the unit is rigged into place.
INSPECT SHIPMENT — File claim with shipping com
pany if shipment is damaged or incomplete.
CONSIDER SYSTEM REQUIREMENTS
• Consult local building codes and National Electrical Code
(NEC, U.S.A.) for special installation requirements.
Allow sufficient space for airflow clearance, wiring, re
frigerant piping, and servicing unit. See Fig. 1. See
Fig. 2 for unit component locations.
Locate unit so that outdoor coil (condenser) airflow is
unrestricted on all sides and above.
Unit may be mounted on a level pad directly on the base
channels or mounted on raised pads at support points.
See Table 2 for weight distribution based on recom
mended support points.
NOTE: If vibration isolators are required for a particular
installation, use the data in Table 2 to make the proper
selection.
LEGEND
A — 1V4 in. (32) diam. knockout for %-in. (16) ODM liquid line connection
B — 1%in (44 5)diam knockout for 1’/a in (28 6) (38AE012); 1%in (35) suction line connection (38AE014,016)
C — %-in (22.2) diam knockout for control power
D — 2-in (50 8) diam knockout for unit power
Certified dimension drawings are available on request.
Fig. 1 - Physical Data and Dimensions (ft-in.)
NOTES:
1
SERVICE AREAS - Allow 3 ft (914) on both
sides and 2 ft (610) on both ends of unif for
servicing
Dimensions in parentheses are in (mm)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book|1 |1 PC 111 Catalog No 533-816 Printed in U S.A. Form 38AE-17SI Pg 1 4-92 Replaces: 38AE-10SI
Tab 3a 2a
Page view 0
1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - Air-Cooled Condensing Units

HEATING & COOLING38AE 012,014,016 Air-Cooled Condensing UnitsInstallation, Start-Up and Service Instructions50 and 60 HzINSTALLATIONStep 1 — Compl

Page 2 - Fig. 2 — Component Locations

TROUBLESHOOTING (cont)PROBLEM SOLUTIONCOMPRESSOR RUNNING BUT COOLING INSUFFICIENT Suction Pressure Low1. Refrigerant charge low2. Head pressure low3

Page 4 - 38AE CONTROL BOX

fCopyright 1992 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and

Page 5 - START-UP

ENGLISHTable 1 — Physical Datrf^UNIT 38AE 012 014016OPERATING WEIGHT (lb)732 779789REFRIGERANT (lb)‘ 22COMPRESSORModel No.Oil (pt)Crankcase Heater Wat

Page 6

Table 2 — Weight DistributionrUNIT38AEWEIGHT - lb (kg)OperWtSupport PointA B CD012732 (333) 142 (65)138 (63) 225 (102)227(103)014779 (354)143 (65)140

Page 7 - WIA DENOTES CLC6ED CONTACTS

PROVIDE SAFETY RELIEF — A fusible plug is located on the compressor crankcase (Fig. 4). Do not cap this plug. If local code requires additi

Page 8

(3 Ph/60 Hz)Table 4 - Electrical DataUNIT38AEUNITCOMPR FAN MOTORS (Single Phase)ModelVoltsMCAICFMOCP(Fuse)RLALRATotalFansFLA (ea) Fan No.kWNameplateSu

Page 9 - TROUBLESHOOTING

Preliminary Charge — Refer to Carrier Standard Service Techniques Manual, Chapter 1, Section 1-8. By the liquid charging method and charging by w

Page 10 - TROUBLESHOOTING (cont)

Head Pressure Control by means of/an cycling is a standard feature of 38AE012-016 units. The no. 2 fan cycles in response to changes in liquid press

Page 11

Cleaning Coils — The coils can be cleaned with a vacuum cleaner, washed out with water, blown out with compressed air, or brushed (do not use wire b

Page 12 - Tab 3a 2a

TROUBLESHOOTINGPROBLEM SOLUTIONCOMPRESSOR DOES NOT RUN Contactor Open1. Power off1. Restore power2. Fuses blown in field power circuit 2 After finding

Comments to this Manuals

No comments