Carrier 48TJD008-014 user manual

User manual for the device Carrier 48TJD008-014

Device: Carrier 48TJD008-014
Category: Air Conditioner
Manufacturer: Carrier
Size: 1.54 MB
Added : 12/5/2013
Number of pages: 40
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Abstracts of contents
Summary of the content on the page No. 1

48TJD008-014
48TJE008-014
48TJF008-012
Single-Package Rooftop Heating/Cooling Units
Installation, Start-Up and
Service Instructions
CONTENTS
Page
Disconnectgaspipingfromunitwhenleak
1
SAFETY CONSIDERATIONS...................1
testingatpressuregreaterthan ⁄2psig.Pres-
1
sures greater than ⁄2 psig will cause gas
INSTALLATION .............................1-22
valve damage resulting in hazardous con-
Step 1 — Provide Unit Support ...............1
dition. If gas valve is subjected to pres-
• ROOF CUR

Summary of the content on the page No. 2

SLABMOUNT(HorizontalUnitsOnly)—Providealevel bottom connection to the side connection. See Fig. 4. The concrete slab that extends a minimum of 6 in. beyond unit pipingforthecondensatedrainandexternaltrapcanbecom- cabinet. Install a gravel apron in front of condenser coil air pleted after the unit is in place. inlet to prevent grass and foliage from obstructing airflow. Allunitsmusthaveanexternaltrapforcondensatedrain- NOTE: Horizontal units may be installed on a roof curb if age.Installatrapatlea

Summary of the content on the page No. 3

CONNECTOR UNIT SIZE ‘‘E’’ POWER CONTROL ‘‘B’’ ‘‘C’’ ‘‘D’’ALT DRAIN HOLE ACCESSORY 48TJ GAS CONNECTION CONNECTION PACKAGE CRBTMPWR00A100 3 3 1 ⁄49 NPT ⁄49 NPT ⁄2 9 NPT (THRU-THE-BOTTOM) 7 15 3 008-014 28-8 ⁄169 [827] 18-10 ⁄169 [583] 1 ⁄49 [45] CRBTMPWR00A200 3 1 1 ⁄49 NPT 1 ⁄49 NPT ⁄29 NPT (THRU-THE-BOTTOM) UNIT SIZE ROOF CURB ‘‘A’’ 48TJ ACCESSORY 18-29 [356] CRRFCURB003A00 008-014 28-09 [610] CRRFCURB004A00 NOTES: 1. Roof curb accessory is shipped unassembled. 2. Insulated panels. 3. Dimensions

Summary of the content on the page No. 4

MAXIMUMALLOWABLE DIFFERENCE (in.) A-B B-C A-C 0.5 1.0 1.0 Fig. 3 — Unit Leveling Tolerances NOTE: Trap should be deep enough to offset maximum unit static difference.A4-in. trap is recommended. Fig. 5 — External Trap Condensate Drain Locate mechanical draft system flue assembly at least 48 in. from any opening through which combustion prod- uctscouldenterthebuilding,andatleast48in.fromanad- jacentbuildingorcombustiblematerial.Whenunitislocated adjacenttopublicwalkways,flueassemblymustbeatleast 7 f

Summary of the content on the page No. 5

Table 1 — Physical Data UNIT SIZE 48TJ 008D/E/F 009D/E/F 012D/E/F 014D/E 1 1 1 NOMINAL CAPACITY (tons) 7 ⁄2 8 ⁄2 10 12 ⁄2 OPERATING WEIGHT (lb) Unit Al/Al* 870 880 1035 1050 Al/Cu* 881 896 1057 1077 Cu/Cu* 893 907 1080 1100 Durablade Economizer 44 44 44 44 PARBLADE Economizer 62 62 62 62 Roof Curb 143 143 143 143 COMPRESSOR Reciprocating Scroll Quantity 2222 Oil (oz) 50 ea 50 ea 50 ea 54 ea REFRIGERANT TYPE R-22 Operating Charge (lb-oz) Circuit 1 4-13 6-14 5-13 8-10 Circuit 2 4-14 6-3 5-14 8- 6

Summary of the content on the page No. 6

Table 1 — Physical Data (cont) UNIT SIZE 48TJ 008D/E/F 009D/E/F 012D/E/F 014D/E FURNACE SECTION Rollout Switch Cutout Temp (F) 195 195 195 195 Burner Orifice Diameter (in. ...drill size) Natural Gas Std .120...31 .120...31 .120...31/.120...31/.129...30 .120...31/.129...30 Liquid Propane Alt .096...41 .096...41 .096...41/.096...41/.102...38 .096...41/.102...38 Pilot Orifice Diameter (Quantity) in. ...drill size Natural Gas Std —— — — Liquid Propane Alt —— — — Thermostat Heat Anticipator Setting (am

Summary of the content on the page No. 7

STANDARD CORNER CORNER CORNER CORNER CONNECTION SIZES UNIT WEIGHT WEIGHT WEIGHT WEIGHT ‘‘H’’ ‘‘J’’ ‘‘K’’ ‘‘L’’ 3 UNIT A 1 ⁄89 Dia [35] Field Power Supply Hole WEIGHT (A) (B) (C) (D) 48TJ 1 B 2- ⁄29 Dia [64] Power Supply Knock-Out Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg ft-in. mm ft-in. mm ft-in. mm ft-in. mm 3 C 1 ⁄49 Dia [44] Charging Port Hole 7 5 11 7 D/E/F008 870 395 189 86 161 73 239 109 280 127 1-2 ⁄8 378 3-5 ⁄16 1050 2-9 ⁄16 856 2- 2 ⁄16 672 7 D ⁄89 Dia [22] Field Control Wiring Hole 7 5 11 7 D/E/F

Summary of the content on the page No. 8

Step5—InstallFlueHood— Fluehoodisshipped screwed to the burner compartment access panel. Remove from shipping location and, using screws provided, install flue hood and screen in location shown in Fig. 8. Step6—InstallGasPiping— Unitisequippedfor usewithtypeofgasshownonnameplate.Refertolocalbuild- ingcodes,orintheabsenceoflocalcodes,toANSIZ223.1- latest year and addendum Z223.1A-latest year entitled National Fuel Gas Code. In Canada, installation must be in accordance with the CAN1.B149.1 and CAN

Summary of the content on the page No. 9

Route thermostat cable or equivalent single leads of col- box.SeeFig.12.TheracewayprovidestheUL-required ored wire from subbase terminals to low-voltage connec- (Underwriters’Laboratories)clearancebetweenhigh-and tions on unit (shown in Fig. 11) as described in Steps1-4 low-voltage wiring. below. 4. Connect thermostat wires to screw terminals on low- 1. If unit is mounted on roof curb and accessory thru-the- voltage connection board. curbserviceplateconnectionisused,routewirethrough HEATANTICIPA

Summary of the content on the page No. 10

LEGEND C— Contactor COMPS — Compressors IFC — Indoor (Evaporator) Fan Contactor NEC — National Electrical Code TB — Terminal Block Terminal Block Connection Splice Connection (Factory Supplied) Field Wiring Factory Wiring Fig. 10 — Power Wiring Connections INTEGRATED UNIT GAS UNIT CONNECTION CONTROLLER BOARD (IGC) LEGEND AHA — Adjustable HeatAnticipator CC — Cooling Compensator TC — Thermostat-Cooling TH — Thermostat-Heating Field Wiring Factory Wiring Fig. 11 — Low-Voltage Connections RACEWAY F

Summary of the content on the page No. 11

Step 8 — Adjust Factory-Installed Options APOLLOCONTROL—TheoptionalApollocontrolisused OUTDOOR toactivelymonitorallmodesofoperationaswellasindoor AIR OPENING (evaporator) fan status, filter status, and indoor-air quality. PANEL TheApollo control is designed to work with CarrierTEMP and VVTt systems. ThethermostatmustbewiredtotheApollocontrolbefore starting the unit. Refer to theApollo control installation in- structions for information on installing the thermostat. See Fig. 13 forApollo location.

Summary of the content on the page No. 12

b. Rotate the barometric relief damper hinge 90degrees.Barometricreliefdampershouldopenver- tically to operate properly. c. Install horizontal discharge block-off plate over the openingontheaccesspanel.(Block-offplateMUST be installed before installing hood assembly.) See Fig. 23. 7. Insert economizer plug into economizer harness. Re- move tape from barometric relief damper. See Fig. 21. 8. If ventilation air is not required, proceed to Step 9. If ventilation air is required, determine the minim

Summary of the content on the page No. 13

ECONOMIZER ECONOMIZER ECONOMIZER TOP CONTROL BOARD PLUG MOTOR SCREW Fig. 21 — Durablade Economizer Installed in Unit ECONOMIZER CONTROL BOARD ECONOMIZER MOTOR Fig. 19 — Outdoor-Air Hood Details POSITION SETTING BRACKET Fig. 22 — Horizontal Durablade Economizer Installation (90 Degree Rotation) Fig. 20 — Vertical Discharge Block-Off Plate (Sizes 120,150 only) BLOCK-OFF PLATE Fig. 23 — Horizontal Discharge Block-Off Plate 13

Summary of the content on the page No. 14

3 80 75 198818A TR1 1 ENTHALPY CONTROL 2 65 70 85 50 60 CONTACTS SHOWN IN HIGH ENTHALPY OR UNPOWERED STATE CONTACT RATINGS: 1.5A RUN, 3.5A IN RUSH AT 24VAC 3 mA MIN. AT 11 VDC CW–SETPOINTS–CCW DAMPER CLOSED DAMPER OPEN OUTDOOR TEMP. °F TR 55 24VAC REV. B TR B C S O D S 5 1 2 MINIMUM 3 4 POSITION T T1 OPEN P P1 D C B A % H 90 U 70 M I 60 D I 30 T Y 10 0 1 2 3 4 5 6 7 8 9 Example: Given — Negative Pressure.......................0.1in.wg OutdoorAirflow ........................1100cfm Determine — S

Summary of the content on the page No. 15

dampersshouldbefullyclosed.Turnthepotentiom- etergraduallycounterclockwiseuntilthedesiredpo- sition is reached. c. Connect T and T1 to the 24 v power supply. d. After installation is complete, calculate the mini- mumairflowacrosstheeconomizer.Tocalculatethe minimumairflow,thefollowingdataisneeded:total cfm (cfm ), temperature of the total cfm (T ), tem- 3 3 peratureofthereturnair(T ),andtemperatureofthe 1 entering outside air (T ). Cfm is the return air cfm, 2 1 which will be the minimum airflow. I

Summary of the content on the page No. 16

CONTROL POINT CONTROL F (C) (APPROX) CURVE AT 50% RH A 73 [23] B 70 [21] C 67 [19] D 63 [17] Fig. 33 — Filter Installed on Outdoor-Air Hood Step 9 —Adjust Evaporator-Fan Speed — Ad- just evaporator-fan speed to meet jobsite conditions. Table 3 shows fan rpm at motor pulley settings, Table 4 shows motor efficiencies andTable 5 gives accessory static pressure drops.Table 6 shows motor performance. Refer to Tables7-14todeterminefanspeedsettings.Fanmotorpul- leys are factory set for speed shown in T

Summary of the content on the page No. 17

MOTOR MOUNTING PLATE NUTS Fig. 34 — Typical Belt-Drive Motor Mounting for Sizes 008,009 Fig. 36 — Evaporator-Fan Pulley Adjustment Fig. 35 — Typical Belt-Drive Motor Mounting for Sizes 012,014 Table 3 — Fan Rpm at Motor Pulley Settings* MOTOR PULLEY TURNS OPEN UNIT 1 1 1 1 1 1 48TJ 0 ⁄2 11⁄2 22⁄2 33⁄2 44⁄2 55⁄2 6 008† 840 815 790 765 740 715 690 665 640 615 590 — — 008** 935 910 885 860 835 810 785 760 735 710 685 — — 009† 935 910 885 860 835 810 785 760 735 710 685 — — 012† 935 910 885 860 835

Summary of the content on the page No. 18

Table 4 — Evaporator-Fan Motor Efficiency MOTOR EFFICIENCY (%) 48TJD/TJE/TJF008,009 80 48TJD/TJE/TJF012 (Std) 80 48TJD/TJE/TJF012 (Alt) 83 48TJD/TJE014 (Std) 85 48TJD/TJE014 (Alt) 87 NOTE: Convert watts to bhp using the following formula: watts input x motor efficiency bhp = 746 Table 5 — Economizer Static Pressure Drop (in. wg) CFM UNIT 48TJ 2200 2500 3000 3500 4000 4500 5000 5500 6000 Durablade Economizer .02 .02 .03 .04 .05 .06 .07 .08 .09 PARABLADE Economizer .21 .25 .35 .49 .61 ———— Table 6

Summary of the content on the page No. 19

Table 7 — Fan Performance, 48TJ008 — Vertical Discharge Units EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 2200 506 0.52 586 0.72 656 0.95 718 1.18 776 1.43 838 1.78 898 2.21 935 2.58 2250 514 0.55 593 0.76 662 0.99 724 1.22 781 1.78 841 1.81 902 2.25 939 2.60 2300 521 0.57 600 0.79 668 1.02 730 1.26 786 1.50 843 1.83 905 2.28 943 2.62 2400 536 0.63 613 0.85 680 1.09 741 1.34 796 1.59 849 1.88 910

Summary of the content on the page No. 20

Table 9 — Fan Performance, 48TJ012 — Vertical Discharge Units EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 3000 592 0.76 661 0.93 722 1.09 779 1.26 829 1.42 880 1.58 924 1.73 970 1.89 1019 2.00 1066 2.30 3100 607 0.83 676 1.01 734 1.17 791 1.34 840 1.51 890 1.68 935 1.84 977 2.00 1026 2.17 1070 2.44 3200 622 0.90 690 1.09 746 1.25 803 1.43 852 1.60 900 1.77 946 1.95 987 2.11


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