Carrier 48TJ016-028 F

I_-INDO(:W_FANI)EI.AY J___(HEATING)

2_S -OFmNING OF LIMffSWRCH

3_S -_ 81_813f1

IN_CATES FLAME WITH

CLOSED C:':':':':':':':':_VALVE

4FI.ASI'E8 - LIW_ SWITCH

CYCLED 4 TIMES ON SINGLE

CALLFOR HEAT

(No _ wth_ 15 _)

6FI.ASHES-iNDUCEDDRAFTMOTORFAULT(NOsigr_frem f_'_ _ !_t8enm:,rforB0mKx_,es)

I 7_ -OPtENING OFROLLCtrr 8_MICH

SOFTWARE FAULT

I 9 FLASHES - SOFTWARELOCKOUT

F

I , I

I_ OU113OOR FAN MOTOR

STeEr I_TELY

I. I , ,FOR iNDOOR FAN I

I COOLING DEMAND

t

OUIDOOR F/M_STOP

IMMEDIATELY

I;GCSAFELY LOGICWILL SHUT

OFF GAS VALVE AND sPARK

4,

Y_

LEGENDIGC -- Integrated Gas Unit ControllerNOTE: Thermostat Fan Switch in the "AUTO"position.

--_ OFF YES IGC BOARD

I,BLOWN 5AMP FUSE

2. DEFECTIVE _V TRANS.

& BROKB_ V_IRE

1L & NOPOWB_ TO U_T

HEATING

I

I

I

'Wl' FROM BASE CONTROL BOARD ENERGIZES 'W'

ON IGC -1 MINUTE LOCK-ON

RELAY ON _C BEN_

I

I

I

t

t,1__ B_N.o ATCO_-CT_ (ATLEA-__0.P_,_L I

EE--CT 8EN8OR SENDS CORRECT 81GNAL TO _ 'Jf ON K3C

F LIMITswrrcH AND ROLLOUT

9A,TI'CH ARE CLOSED, IGC _

LOGIC_ INITIATIE IGNITION

SEQUENCE

_ _I"ES A

10,000 Vt3LT8PN_K FO_ 5

I

Yes

I _FrER_OONI_(O_LESS.:T_ETI_e I

H_S BEEN R_ D_J_TO _ 81/_TCH

TRIPS) tGC _MLL B_ERGIZE BLOWISRRELAY

I _3c SAFEW LO_C OPENS GAS

VALVEFOR 5 SEONOS

I

No

tI_,,s_.._Er_ LO_C_._rsOFF_ VALVE I

I 45SECOND BLOWER SHUTOFF DELAY I

(DELAY _ BY 5880OND8 FOR ESE;H UMfr 8w_roH TRP -

MAXIMUM DELAY: 3 MINLrlEs)

!

SUBTRACT 5 S_CONDS (OR J

5_:CONDS) FROM J

_DOOR F_ ON TIME DE_AY

Fig. 60 -- IGC Control (Heating and Cooling)

51

Contents

Main 48TJ016-028 Single-Package Rooftop Units Electric Cooling/Gas Heating Installation, Start-Up and Service Instructions INSTALLATION Step 1 -- Provide Unit Support Fig. 1 -- Horizontal Supply/Return Adapter Installation Step 2 -- Rig and Place Unit -- Do not diop unit; A,R CURB ATTACH DUCT TO ROOF CURB --OUTLINEGPUN,T iBOHPRi5UPPL ENSi Fig. 2 -- Roof Curb Details UNIT LEVELING TOLERANCES _Fro_ edge OFuniL to horizonLaL, (tt 05) Fig. 3 -- Rigging Details Fig. 4- Base Unit Dimensions; 48TJ016,020 Fig. 5 -- Base Unit Dimensions; 48TJ024,028 Table 1-- Physical Data c,rcu,t,* 10-13 I 15-2I 16-3 I 21-0 Table 1 -- Physical Data (cont) Step 3 -- Field Fabricate Ductwork -- Secure all Step 4-- Make Unit Duct Connections -- Unit Fig. 9 -- Flue Hood Location Step 5 -- Install Flue Hood and Wind Baffle -- ,.ii Fig. 10- Combustion FanHousing Location Fig. 11 -- Condensate Drain Details (48TJ016 Shown) Fig. 12- Condensate Drain Piping Details Step 7-- Orifice Change -- This unit is factory as- sembled Table 3 -- Orifice Quantity o& Fig. 13 -- Field Gas Piping Step 9 -- Make Electrical Connections Be certain unused wires ale capped. Failure to do somay &_magethe transformers. I Fig. 15 -- Field Control Thermostat Wiring I ;_ ;__T2Ej AMP 4--+--t--- ' Table 5 -- Electrical Data cCt os Step 10 -- Make Outdoor-Air Inlet Adjust- ments I / /I \/ / ol .j \ 10 o---1 ooo o Table 6 -- Motormaster VControl Package Usage Step 13 --Adjust Factory-Installed Options TH:I 0 Fig. 24 -- PremierLink Controller : L Fig. 25 --PremierLink TM Controls Wiring I ' L: L Page I / \ [ll Fig. 29 -- Differential Enthalpy Control Wiring A( CSOD+rn-- /OUTDOOR[ SRI-h+ID- LED Fig. 30 -- Outdoor and Return Air Sensor Wiring Connections for Differential Enthalpy Control e, Fig. 32--EconoMiSerlVComponent Locations-- End View Fig. 34- EconoMi$er2 Component Locations IT _--- _so. N _ SET Fig. 35 --EconoMi$erlV Wiring Table 11 -- Supply Air Sensor Temperature/ Resistance Values Table 12 -- EconoMi$erlV Sensor Usage "t,4 Fig. 38 -- Outside Air Temperature Changeover Set Points Fig. 39 -- Return Air Temperature or Enthalpy Sensor Mounting Location XI IX _ ..... ..... .... Fig. 40 -- Enthalpy Changeover Set Points Fig. 41 -- EconoMi$erlV Controller AOlI'_ocv_ so+N ' Page Table 13 -- 002 Sensor Standard Settings Step 14 -- Install Humidistat for Optional MoistureMi$er TM Package-- MoistureMi$er dehu- 29 midification Fig. 44 -- Typical MoistureMi$er Dehumidification Package Control Box START-UP Unit Preparation Table 14 -- Fan Performance -- 48TJD016 (Low Heat Units) Table 15 -- Fan Performance -- 48TJD020 and 024 (Low Heat Units) Table 16 -- Fan Performance -- 48TJD028 (Low Heat Units) Table 17 -- Fan Performance -- 48TJF016 (High Heat Units) .3.3 Table 18 -- Fan Performance- 48TJF020 and 024 (High Heat Units) Table 19 -- Fan Performance -- 48TJF028 (High Heat Units) Table 20 -- Air Quantity Limits Table 21 -- Accessory/FlOP Static Pressure* (in. wg) -- 48TJ016 Table 22 -- Accessory/FlOP Static Pressure* (in. wg) -- 48TJ020-028 Table 23 -- MoistureMi$er TM Dehumidification Package Static Pressure Drop (in. wg) Table 24 -- Fan Rpm at Motor Pulley Settings* Table 25 -- Evaporator-Fan Motor Data Table 26 -- Evaporator-Fan Motor Efficiency Operating Sequence Page J Fig. 46 -- DX Cooling Temperature Control Example \ / Fig. 49 -- Removing Heat Exchanger Ceramic Baffles and Clips Lubrication Evaporator Fan Performance Adjustment (Fig. 50-52) -- Fan motor pulleys are factory set for speed j, Fig. 51 -- 48TJ016 Evaporator-Fan Motor Adjustment \ Fig. 52 -- 48TJ020-028 Evaporator-Fan Motor Section Fig. 50 -- Evaporator-Fan Pulley and Adjustment Belt Tension Adjustment _f =....N _121I I 'Abd_HAR'G'E'I_AB'Ot/&CORV'E soolillilillilili ililli I IIIIIIIIIIIIIIIIII1 t" 011111111IIIIIIIIJ,Z'II lili ilili iliiJZliliiI III I I III I IJZI"I4Eb6&&&.'ARGE,FBELowCURVE III1 11 III Main Burners Filter Drier- Protective Devices Relief Devices Control Circuit, 24-7--This Optional Hinged Access Doors @ @ 48TJD016 @ @ @ @ o(_o @@ Page 0 II..Iii ii__ i o_, --I I II.=, []_" 0 I LEGEND AND NOTES FOR FIG. 58 AND 59 TROUBLESHOOTING Unit Troubleshooting- Refer to Tables 27-29 and EconoMi$erlV Troubleshooting-- See Table 30 Table 27 -- Cooling Service Analysis Table 28 -- Heating Service Analysis Table 29 -- MoistureMi$er TM Dehumidification Subcooler Service Analysis 5O I_-INDO(:W_FANI)EI.AY J___(HEATING) 6FI.ASHES-iNDUCEDDRAFT MOTORFAULT (NOsigr_frem f_'_ _ !_t 8enm:,rforB0mKx_,es) F I , I I _FrER_OONI_(O_LESS.:T_ETI_e I I. I t Table 30 -- EconoMi$erlV Input/Output Logic Fig. 61 -- EconoMiSerlV Functional View INDEX SERVICE TRAINING Page START-UP CHECKLIST PRE-START-UP GENERAL [] ECONOMIZERMINIMUM VENTAND CHANGEOVERSETFINGS TOJOB REQUIREMENTS o,