Carrier 48HDT- Installation Manual

Page 2 - TRANE; Contents

TRANE ® Contents Performance Data Model Nomenclature General Specification Unit Installation Unit Configuration Dimension Data Wiring Diagram Operation / Start Up Maintenance Trouble Analysis 1 2 3 4-6 7 8-11 1 2 1 3 14-16 17-19 i

Page 3 - Performance Data; Foreword; Handling

TRANE ® 1 Performance Data Foreword These instructions do not attempt tocover all variations in systems, nor toprovide for every possible contingencyt o b e m e t i n c o n n e c t i o n w i t hinstallation. Should further informationb e d e s i r e d o r s h o u l d p a r t i c u l a rp r o b l e m...

Page 4 - Model Nomenclature

TRANE ® Digit 1,2 Digit 3 Digit 4 Digit 5,6,7 Digit 8 Digit 9 Digit 10 Digit 11 Digit 12 Digit 13 Digit 14 Digit 15 B D H B 0 4 8 G 0 1 0 A 0 A A BLOWER COIL UNIT, BELT-DRIVEN, Cooling Only Airflow ConfigurationH = Horizontal Discharge V = Vertical Discharge Development Sequence,B = Second Nominal C...

Page 5 - General Specifications

TRANE ® BDH(V)B 065 6500 11045 15.0 (1.39) 3 /12 231 (67.68) 46.03 (2.90) 22.36 (66.81) 4 / 12 279.0 (81.75) 55.59 (3.51) 43.61 (130.31) KAT 18-18 1 3.0 / 823 3.0 / 5.5 6.78 / 11.7 48.14 / 81.9 2-20” x 20”1-20” x 25” 320 1 546 x 1 755 x 772 Model Nom. Airflow Coil Face Area Fins MaterialHeader Mater...

Page 6 - Unit Installation; Unit Suspension - Typical; Figure

TRANE ® 4 Unit Installation The general location of the air handleris normally selected by the architect,contractor, and/or buyer. for properinstallation, the following items mustbe considered. 1. Available power supply must agree with electrical data on componentnameplate. 2. If external accessorie...

Page 7 - Water Pipe Connections

TRANE ® 5 Unit Installation Suspend the unit using the factoryprovided mounting base or holes. Thisis usually accomplished through theu s e o f s p r i n g o r r u b b e r i s o l a t o r s ,w h i c h a r e t o b e f u r n i s h e d b y t h einstaller. For servicing and routine maintenance,p r o v i...

Page 8 - Auxiliary Drain Pan

TRANE ® 6 WARNING: WHEN INSTALL-ING OR SERVICING THISEQUIPMENT, ALWAYS EXER-CISE BASIC POSSIBILITY OFE L E C T R I C S H O C K T H ATCOULD RESULT IN SEVEREP E R S O N A L I N J U R Y O RDEATH. ! Warning: Care must be taken when c o n n e c t i n g p i p e w o r k t o t h e c o i lh e a d e r s . T h...

Page 9 - Unit Configuration

Page 10 - Dimension Data

Page 14 - BD - Series Wiring Diagram

Page 15 - Inspection Checklist

TRANE ® 13 Operation / Start-Up Pre-Start-Up Inspection P e r f o r m t h e f o l l o w i n g c h e c k s a n dinspections before operating the unit. Inspection Checklist a)Unit is mounted securely to the ceiling support rods (mountingunits). b ) D u c t w o r k c o n n e c t i o n s a r e complete,...

Page 16 - Maintenance; Monthly Inspection

TRANE ® 14 Maintenance Monthly Inspection 1 C h e c k c o n d i t i o n o f a i r f i l t e r s a n d replace them if necessary. 2.Check the drain pan to be sure that it is clean and free to carry the flow ofcondensate through the drain line. 3 . C h e c k t h e c o i l s u r f a c e f o r cleanline...

Page 17 - Belt Maintenance

TRANE ® 15 Maintenance It is important that belts are maintaineda t t h e c o r r e c t t e n s i o n t o a v o i dp r e m a t u r e b e a r i n g f a i l u r e a n dunnecessary belt wear. There are twomethods of checking belt tension. a)The increase in belt length when it is stretched can be measur...

Page 19 - Trouble Analysis

TRANE ® Trouble Analysis 17 Use the tables in this section to assistin identifying the cause of causes of amalfunction in BD Series operation.The column header RECOMMENDEDA C T I O N w i l l s u g g e s t r e p a i rprocedures. Note: These Tables are intended as adiagnostic aid only. For detailed re...

Page 20 - BD Series

TRANE ® BD Series Trouble Analysis 18 Symptom Bearing is excessively hot Motor falls to start Motor stalls Excessive vibration Motor runs and then dies down Motor does not come up to speed. Motor overheats Probable cause First Start After relubrication. (grease distribution) Over-lubrication, Over t...

Carrier 48HDT- Installation Manual

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