Carrier 48ES---A Instruction Manual Page 1

Browse online or download Instruction Manual for Split-system air conditioners Carrier 48ES---A. Carrier 48ES---A Instruction manual User Manual

  • Download
  • Add to my manuals
  • Print
  • Page
    / 42
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 0
rn
Installation Instructions
to the expe_
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: Installer: Make sure the Owner's Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS ......................... 1
INTRODUCTION ................................... 2
RECEIVING AND INSTALLATION ................. 2-13
Check Equipment .................................. 2
Identify Unit .................................... 2
Inspect Shipment ................................. 2
Provide Unit Support ............................... 2
Roof Curb ...................................... 2
Slab Mount ..................................... 6
Field Fabricate Ductwork ............................ 6
Provide Clearances ................................. 6
Rig and Place Unit ................................. 6
Inspection ...................................... 6
Rigging/Lifting .................................. 6
Connect Condensate Drain ........................... 9
Install Flue Hood ................................... 9
Install Gas Piping .................................. 9
Install Duct Connections ............................ 10
Configuring Units for Downflow (Vertical)
Discharge ..................................... 10
Install Electrical Connections ........................ 11
High-Voltage Connections ........................ 11
Special Procedures for 208-V Operation .............. 12
Control Voltage Connections ....................... 12
Standard Connection ............................. 12
Heat Anticipator Setting .......................... 12
Transformer Protection ........................... 12
PRE-START-UP ................................... 13
START-UP ..................................... 13-24
Check for Refrigerant Leaks ......................... 13
Start-Up Heating & Make Adjustments ................ 13
Check Heating Control ........................... 14
Check Gas Input ................................ 14
Adjust Gas Input ................................ 14
Check Burner Flame ............................. 15
Normal Operation ............................... 22
Airflow and Temperature Rise ...................... 22
Heating Sequence of Operation ..................... 22
Limit Switches ................................. 22
Rollout Switch ................................. 22
Start-Up Cooling & Make Adjustments ................ 22
Checking Cooling Control Operation ................ 22
Checking & Adjusting Refrigerant Charge ............ 22
Indoor Airflow and Airflow Adjustments ............. 23
Continuous Fan Operation ........................ 24
Cooling Sequence of Operation ..................... 24
MAINTENANCE ................................ 34-38
Air Filter ...................................... 34
Indoor Blower and Motor ......................... 34
A09034
Fig. 1 - Unit 48ES-A
(Low NOx Model Available)
Induced Draft (Combustion Air) Blower .............. 35
Flue Gas Passageways ............................ 35
Limit Switch ................................... 35
Burner Ignition ................................. 35
Main Burners ................................... 35
Removal of Gas Train ............................ 36
Outdoor Coil, Indoor Coil, & Condensate Drain Pan .... 36
Outdoor Fan ................................... 36
Electrical Controls and Wiring ..................... 37
Refrigerant Circuit ............................... 37
Gas Input ...................................... 37
Evaporator Airflow .............................. 37
Puron Items .................................... 37
TROUBLESHOOTING .............................. 38
START-UP CHECKLIST ............................ 38
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal iniury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory-authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. Consult local
building codes, the current editions of the National Fuel Gas Code
(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code
(NEC) NFPA 70.
Page view 0
1 2 3 4 5 6 ... 41 42

Summary of Contents

Page 1 - Installation Instructions

rnInstallation Instructionsto the expe_NOTE: Read the entire instruction manual before starting theinstallation.NOTE: Installer: Make sure the Owner&a

Page 2

Table 2 - Maximum Gas Flow Capacity*NOMINAL INTERNAL LENGTH OF PIPE FT (m)l"IRON PIPE DIAMETER 10 20 30 40 50 60 70 80 90 100 125 150 175 200SIZE

Page 3 - 3"_0

Step 10 -- Install Electrical ConnectionsELECTRICALSHOCK HAZARDFailure to follow this warning could result in personalinjury or death.The unit cabinet

Page 4 - ,o t ] = _?

Single phase units:1. Run the high-voltage (L1, L2) and ground lead into thecontrol box.2. Connect ground lead to chassis ground connection.3. Locate

Page 5 - "-a

PRE-START-UPENVIRONMENTAL, FIRE,ELECTRICAL SHOCK HAZARDEXPLOSION,Failure to follow this warning could result in personaliniury or death.1. Follow reco

Page 6 - Inspection

A07679Fig. 11 - Burner AssemblyBURNER FLAMER NIFOLDC99021Fig. 12 - Monoport BurnerCheck Heating ControlStart and check the unit for proper heating con

Page 7 - CAUTION - NOTICE TO RIGGERS

REGULATORPLASTIC(PROPANE WHITE)_ (NATURAL - StLVER)MAN_FOLDPRESSURE TAPA07751Fig. 13 - Single-Stage Gas ValveIf larger actjustments are required, chan

Page 8

CONNECTION WIRING DIAGRAMDANGER ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICINGNOTES:I IF ANY OF THE ORIGINAL WIRES FURNISHED ARE CCN IF USED

Page 9 - Step 8 -- Install Gas Piping

LADDER WIRING DIAGRAMDANGER" ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICINGLI I USE COPPER CONDUCTORS ONLY G)Y IL2=, FIELDSUPPLY .20812

Page 10 - PROPERTY DAMAGE HAZARD

CONNECTIONWIRING DIAGRAMDANGER ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICINGNOTES:• IF ANY or THE ORIGINAL WIRES FURNISHED ARE CCN USEDREPL

Page 11 -

LADDER WIRING DIAGRAMDANGER' ELECTRICAL SHOCK HAZARD DISCONNECT POWERBEFORE SERVICINGUNIT COMPONENTARRhNGEMENTOul_e FAWI _ I L2¢ONpRESSO_SECTIOH[

Page 12 - #7g °fAT

InCanadareferto the current editions of the National Standards ofCanada CAN/CSA-BI49.1 and .2 Natural Gas and PropaneInstallation codes, and Canadian

Page 13 - START-UP

... ["" TI'" I ...I ..."...\// ' " '\/ _\J " VY ' '\ ;) _', _\ ';;50YES:1 I

Page 14 - Check Gas Input

"' ... "K H,&Z,A,i_""l_t... L q H,,,.,,. '.v A"...,E ELE',,T I_,.,"- , _., ',..,!:

Page 15

Normal OperationAn LED (light-emitting diode) indicator is provided on theintegrated gas unit controller (IGC) to monitor operation. The IGCis located

Page 16 - PR_,,AR#,,<_ I

Proceedasfollows:1.Removecapsfromlow-andhigh-pressureservicefittings.2.Usinghoseswithvalvecoredepressors,attachlow-andhigh-pressuregaugehosesto low- a

Page 17 - ,o,

Continuous Fan OperationWhen the DEHUM feature is not used, the continuous fan speedwill be the same as cooling fan speed. When the DEHUM featureis us

Page 19 - LADDER WIRING DIAGRAM

UNIT48ES(-,N)A2404048ES(-,N)A24060HEATINGRISERANGEOF (oc)30 - 60(17 - 33)25 - 55(14 - 31)Table 8 - Dry Coil Air Delivery* - Horizontal Discharge - Uni

Page 20 - _EF():,!E qEP I..I_

'4UNIT48ES(-,N)A3004048ES(-,N)A30060HEATING RISERANGE OF(oc)30 - 60(17 - 33)25 - 55(14 - 31)MOTORSPEEDLowMed-Low 1MediumMed-High 2HighLowMed-LowM

Page 21 - >'_i £

UNIT48ES(-,N)A3606048ES(-,N)A36090HEATING RISERANGE OF(oc)25 - 55(14 - 31)35 - 65(19 - 36)MOTORSPEEDLow 1Med-LowMedium 2Med-HighHighLowMed-LowMedium 2

Page 22

UNIT48ES(-,N)A4206048ES(-,N)A42090HEATING RISERANGE OF(oc)25 - 55(14 - 31)35 - 65(19 - 36)MOTORSPEEDLow 1Med-LowMediumMed-High 2HighLowMed-LowMedium 1

Page 23 - Heating Fan Speed Set-up

It_.=.::=_o2-8/4-[U9.9]l15-15/16r4o4.GIl_OUTDOOR|y|[]--81-7/18--[Y98.SR_;DRAIN OUTLET-_8/4" [19.01N.P.T. _ 2-1S/1DX 7/8' [2R.O] DEEP R325.4]

Page 24 - .,oO00 l,0

UNIT48ES(-,N)A4809048ES(-,N)A48115HEATING RISERANGE OF(oc)35 - 65(19 - 36)30 - 60(17 - 33)MOTORSPEEDLow 1Med-LowMedium 2Med-HighHighLowMed-LowMedium 2

Page 25

UNIT48ES(-,N)A4813048ES(-,N)A60090HEATING RISERANGE OF(oc)35 - 65(19 - 36)35 - 65(19 - 36)MOTORSPEEDLowMed-LowMedium 2Med-High 1HighLow 1Med-LowMedium

Page 26

UNIT48ES(-,N)A6011548ES(-,N)A60130HEATING RISERANGE OF(oc)30 - 60(17 - 33)35 - 65(19 - 36)MOTORSPEEDLowMed-LowMedium 2Med-High 1HighLowMed-LowMedium 2

Page 27

UNIT48ES-A2448ES-A3048ES-A3648ES-A4248ES-A4848ES-A60MOTOR SPEEDHighHighHighHighHighHighWIRE COLORBlackBlackBlackBlackBlackBlackTable 9 - Dry Coil Air

Page 28

MAINTENANCETo ensure continuing high performance and to minimize thepossibility of premature equipment failure, periodic maintenancemust be performed

Page 29

g.Reinstallbloweraccesspanel(seeFig.19).3. Restore electrical power to unit. Start unit and check forproper blower rotation and motor speeds during he

Page 30 - 1402 1351 1311

Removal of Gas TrainTo remove the gas train for servicing:1. Shut off main gas valve.2. Shut off power to unit and install lockout tag.3. Remove contr

Page 31

TAMOTORX_FAN GRILLE/MOTOR SHAFTMAX DISTANCE BETWEEN TOP OF FAN GRILLE AND BOTTOM OF FAN BLADESIZE "A"243O3642486OIN.7.37.37.37.67.67.6Fig. 2

Page 32 - 57 59 60 62

NOTE: Because these switches are attached to refrigerationsystem under pressure, it is not advisable to remove this device fortroubleshooting unless y

Page 33

PURON® (R-410A) QUICK REFERENCE GUIDE• Puron refrigerant operates at 50-70 percent higher pressures than R-22. Be sure that servicing equipment and re

Page 34 - MAINTENANCE

I&_°[]t5/6[48]42 _A/ICE_039 6] FIXIT ,o t ] = _?R 15,'68AI% ITLET3/4 ' [ 9 ] PT [328 6]X /8" [88 Z] }EE?4 '8[ 224]LEFT SIDE VI

Page 35 - Burner Ignition

SYMPTOMCompressor and condenser fan will not start.Compressor will not start but condenser fanrunsThree-phase scroll compressormakes excessive noise,

Page 36 - (HIDDEN)

Table 14 - Troubleshooting Guide-HeatingSYMPTOM CAUSEWater in gas lineNo power to furnaceNo 24-v power supply to control circuitBurners will not ignit

Page 37 - FAN GRILLE

(Remove and Store in Job Files)I. PRELIMINARY INFORMATIONMODEL NO.:SERIAL NO.:DATE:TECHNICIAN:START-UP CHECKLISTII. PRESTART-UP (Insert check mark in

Page 38 - START-UP CHECKLIST

¢F AHVAC unit [_ HVAC unitbase ra_... JJ basepanAnchor screw -/ ,_ Wood nailer*Flashing fieldsupplied -_ i !1____-- _ Roofcurb* /' [ Insulation\

Page 39

III2"(50.8mm) I±,,Illll IIIIEVAR COIL COND. COILFig. 5 - Slab Mounting DetailsA07926Slab MountHead 4Place the unit on a solid, level concrete pad

Page 40 - Excessive head pressure

CAUTION - NOTICE TO RIGGERSPRUDENCE - AViS AUX MANIPULATEURACCESS PANELS MUST BE iN PLACE WHEN RIGGING.PANNEAUX D'ACCES DOlT ETRE EN PLACE POUR M

Page 41

UNIT SIZENOMINAL CAPACITY (ton)SHIPPING WEIGHT** lb.SHIPPING WEIGHT** (kg)COMPRESSORSQuantityREFRIGERANT (R-410A)Quantity lb.Quantity (kg)REFRIGERANT

Page 42

Step 6 -- Connect Condensate DrainNOTE: When installing condensate drain connection be sure tocomply with local codes and restrictions.Model 48ES-A di

Comments to this Manuals

No comments