-
Carrier 48TM016-028 - page 1
Manufa cturer res erves the right to discon tinue, or chang e at any time , specificat ions or designs witho ut notic e and wit hout inc urring obligati ons. Catalog No. 04-5348 0016- 01 Pr inted in U.S.A. Form 48T M-4SI Pg 1 3-06 Replace s: 48T M-3SI Book 1 4 Ta b 1 a 6 a Installation, Star t-Up and Ser vice Instr uct ions CONTENTS Page SAFETY CON ...
-
Carrier 48TM016-028 - page 2
2 INST ALLA TION Inspect unit for transportation dam age. If damage is found, file an y claim with t he tran sporta tio n agenc y . Step 1 — Pro vide Unit Support RO O F CU R B — Assemble and install accessory roof curb or horizontal adapter roof curb in accordance with instructions shipped with this accessory . See Fig. 1-2B. Install insulatio ...
-
Carrier 48TM016-028 - page 3
3 Fig. 2A — Roof Curb Detail s — 48TM016-025 ...
-
Carrier 48TM016-028 - page 4
4 Fig. 2B — Roof Curb Details — 48TM028 ...
-
Carrier 48TM016-028 - page 5
5 NOT ES: 1. Dimensions in ( ) are in millimeters . 2. Refer to Fig. 4-6 f or unit operating weights. 3. Remove boards at ends of unit and r unners pr ior to r igging. 4. Rig by inser ting hooks into unit base rails as shown. Use cor ner post from packaging to prot ect coil from damage. Use bumper boards f or spreader bars on all units. 5. Weights ...
-
Carrier 48TM016-028 - page 6
6 Fig. 4 — Base Unit Dimen sions — 48T M016,020 ...
-
Carrier 48TM016-028 - page 7
7 Fig. 5 — Base Unit Dimensions — 48T M025 ...
-
Carrier 48TM016-028 - page 8
8 Fig. 6 — Base Unit Di mensions — 48TM028 ...
-
Carrier 48TM016-028 - page 9
9 Table 1 — P hysical D ata LEGEND *The ZRU140KC compressor is a tandem compre ssor , consisting of a ZR72K C (25% to tal capacity) and a ZR68KC (24% total capacity). †Circuit 1 uses the lower portion of the condenser coil and lower p or tion of the ev aporator coils; and Circuit 2 uses t he upper por tion of both coils . **Pulley has 6 turns. ...
-
Carrier 48TM016-028 - page 10
10 Table 1 — Physical Data (cont) LEGEND *The ZRU140KC compressor is a tandem compre ssor , consisting of a ZR72K C (25% to tal capacity) and a Z R68KC (24% t otal capacity). †Circuit 1 uses the lower portion of the condenser coil and lower p or tion of the ev aporator coils; and Circuit 2 uses t he upper por tion of both coils . **Pulley has 6 ...
-
Carrier 48TM016-028 - page 11
11 Step 3 — Field F abricate Ductwor k — Secure all ducts to building structure. U se flexible duct c onnectors be- tween unit and ducts as required. Insulate and weatherproof all external ductwork, joints, and roof openings with counter flashing and mastic in acc ordance with applicable code s. Ducts passing through an unconditioned space must ...
-
Carrier 48TM016-028 - page 12
12 Step 7 — Orifice Change — This unit i s factory as- sembled for heating operation using natural gas at an elevation from sea level to 2000 ft. This unit uses orifice type LH32RFnnn, where “nnn” indicates the orifice size based on drill size diameter in thousands of an i nch. HIGH ELEV A TION (Above 2000 ft) — Us e ac ce ss o ry h ig h ...
-
Carrier 48TM016-028 - page 13
13 Step 8 — Install Gas Pi ping — Unit is equipped for use with natural ga s. Installation must conform with l ocal building codes or , in the absence of l ocal codes, with t he National Fuel Gas Code, ANSI Z223.1. Install field-supplied m anual gas shutoff valve with a 1 / 8 -in. NP T pressure tap for test gage connection at unit. Fiel d gas p ...
-
Carrier 48TM016-028 - page 14
14 OP TIONAL NON-F USED DISCONNEC T — On unit s with the optional non-fused disconnect, incoming power w ill be wired into the disconnect switch. Refer to Fig. 17 for wiring for 100 and 200 amp disconnect swi tches. Units with an MOCP (maximum overcurrent protect ion) under 100 will use the 100 amp disconnect switch. Units with an MOCP over 100 w ...
-
Carrier 48TM016-028 - page 15
15 Table 5 — E lectrical Data LEGEND *Fuse or HACR ci rcuit br eaker . NO TES: 1. In compliance with NEC r equirements for multimotor and combin ation load equ ipment ( refer to NEC Ar ti cles 430 a nd 440) , the overcurrent p ro- tective de vice for the unit shall be fuse or HA CR breaker . Canadian units m a yb ef u s eo rc i r c u i tb r e a k ...
-
Carrier 48TM016-028 - page 16
16 Step 10 — Make Outdoor -Air Inlet Adjust- ments MANUAL OUTDOOR-AIR DAMPER — All un i ts (ex c ep t those equipped with a fac tory-installed economizer) ha ve a manual outdoor-air damper to provide ventilation air . Damper can be preset to admit up to 25% outdoor air into return-air compar tment. T o adjust, loosen securing screw s and move d ...
-
Carrier 48TM016-028 - page 17
17 Step 12 — Install All Accessori es — After all th e factory-installed opt ions have been adj usted, install all f ield- installed acc essories . Refer to the accessory insta llati on instructions included with each ac cessory . MOTORMASTER® I CONTROL INST ALLA TION (48TM016, 020, and 028) Install Field-Fabricated W ind Baffles — Wind baf ...
-
Carrier 48TM016-028 - page 18
18 MOTORMASTER® V CONTROL INST ALLA TION (48TM025 On ly) Install Field-Fabricated W i nd Baffles — Wind baffles must be field-fabricated for a ll units to ensure prope r cooling cycl e operation at low ambi ent temperatures. See Fig. 22 for baffle details. Use 20-gage, galvanized s heet metal, or similar corrosion-resistant metal for baffles. Us ...
-
Carrier 48TM016-028 - page 19
19 Step 13 — Adjust Factory- Installed Opti ons PRE MIE RL INK ™ CO NTRO L — The Prem ier Lin k cont rol- ler is available as a special order from the factory and is com pati ble wit h the Carr ier Co mfor t Netwo rk® (CC N) sys- tem. This control is designed to allow users the access and abil- ity to change factory-defined settings, thus ex ...
-
Carrier 48TM016-028 - page 20
20 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 25 1 SA T OA T RED WHT RED BLU YEL VIO BRN ORN BRN BLK BRN BLUE ECONO NOT USED RELA YS RED RED RED RED RED RED R Y1 Y2 W1 W2 G C X ORN GRN PNK BRN RED RED RED RED BRN BRN RED BLU ORN PNK WHT BLU YEL GRN R Y1 Y2 W1 W2 G FIELD THERMOST A T* C X WHT X CLO1 R W2 W 9 8 G IGC PL1 PL1 IGC ...
-
Carrier 48TM016-028 - page 21
21 T abl e 8 — P rem ierL ink ™ Se nsor Usa g e *PremierLink control requires supply air temperature sensor 33ZCSENSA T and outdoor air temper ature sensor HH79NZ039 — Included with f ac tory -installed PremierLink control; field-supplied and field-installed with f ield-installed PremierLink control. NO TES: 1. CO 2 Sensors (Optional): 33ZCSE ...
-
Carrier 48TM016-028 - page 22
22 Fig. 27 — Enthalpy Switch/Receiver Dime nsions (33CSENTHSW) Fig. 28 — Enthalpy Sensor Dimensions (33 CSENT SEN) Fig. 29 — Typical Wiring Schematic — Ca rrier Rooftop Unit with PremierLink™ Controls *Used with Differential Enthalp y Control only . ...
-
Carrier 48TM016-028 - page 23
23 DIFFERENTIAL ENTHALPY CONTRO L (Fig. 30) — Differential enthalpy control requires both an enthalpy switch/ receiver (33CSENTHSW) and an e nthalpy sensor (33CSENTSEN). The enthalpy switch/ receiver i s mounted in the outdoor air inlet and calculates outdoor air e nthalpy . The enthalpy sensor is mounted in the return airstream and calcu- lates ...
-
Carrier 48TM016-028 - page 24
24 The mode jumper should be set to M3 for 4 to 20 mA output. The factory test jumper should remain on OFF or the enthalpy sensor will not calculate enthalpy . ENTH ALP Y SENS ORS AN D CONT ROL — T he en t ha lpy control (HH57AC077) is suppl ied as a field-installed accessory to be used w ith the EconoMi$er2 damper control option. The outdoor air ...
-
Carrier 48TM016-028 - page 25
25 Outdoor air leakage is shown in T able 9. Return air pressur e drop is shown in T able 10. T able 9 — O utdoor Air Damper Leakag e T able 10 — Return A ir Pressure Drop (in. wg) ECONOMI$ERIV ST ANDAR D SENSORS Outdoor Air T emperature (OA T) Sensor — The outdoor ai r temperature sensor ( HH57AC074) is a 10 to 2 0 mA device used to measure ...
-
Carrier 48TM016-028 - page 26
26 LEGEND DCV — Demand Controlled V entilation IAQ — In door Air Q uality LALS — Low T emperatur e Comp ressor Loc k out Swi tch OA T — O utdoor-Ai r T emperature PO T — Potentiom eter P otentiome ter Default Settin gs: P ower Exhaust Middle Minimum P os. Fully Closed DCV Max . Mi ddl e DCV Set Middle Enthalpy C S etting NO TES: 1. 620 oh ...
-
Carrier 48TM016-028 - page 27
27 ECONOMI$ERIV CONTROL MOD ES Determine the EconoMi$erIV c ontrol mode before set up of the control. Some modes of operation may requi re different sen- sors. Refer to T able 12. The E cono Mi$e rIV is suppl ied from th e factory with a supply air temper ature sensor , a low temperature compres sor lockout switch, and an out door air tempera ture ...
-
Carrier 48TM016-028 - page 28
28 Outdoor Enthal py Changeover — F or enthalpy control, ac - cessory enthalpy sensor (part number H H57AC078) is required. Replace the standard out door dry bulb temperatur e sensor with the accessory enthalpy sensor in the same mount- ing location. See Fig. 33. When the outdoor air enthalpy rises above the outdoor enthalpy changeover set point, ...
-
Carrier 48TM016-028 - page 29
29 T ypically the maximum ventilation rate will be about 5 to 10% more than the typica l cfm required per person, using normal outside air desi gn criteria. A proportional anticipat ory strategy shoul d be taken wit h the following conditions: a zone with a large area, varied occ u- pancy , and equipment t hat cannot exceed the required ventila - t ...
-
Carrier 48TM016-028 - page 30
30 In order to have the CO 2 sensor control the ec onomizer damper in this manner, first determine the damper voltage out- put for minimum or base ventilation. Base ventilation is the ventilation require d to remove cont aminants duri ng unoccu- pied periods. The following equation may be used to determine the percent of outside-air entering the bu ...
-
Carrier 48TM016-028 - page 31
31 Step 14 — Install Humi distat f or Optional Moisture Mi $er™ P acka ge — Moist ureMi $er dehu- midificati on package ope ration can be c ontrolled by fiel d instal lation of a Carri e r-a pproved hu midistat . T o install t he humidistat p erform t he following pr ocedure: 1. Locate humidis tat on a solid interior wall in the condi- tioned ...
-
Carrier 48TM016-028 - page 32
32 Fig. 46 — Mois tureMi$er™ Dehumidification Operation Diagram TXV — Thermost atic Expansion V alve ...
-
Carrier 48TM016-028 - page 33
33 ST ART - UP Use the following information a nd Start-Up Checklist on page CL-1 to check out unit PRIOR to sta rt-up. Unit Preparation — Check that unit has been installed in accordance with these installation instructions and all applica- ble codes. COMPRESSOR MOUNTING — Com p re sso rs are in ter nal - ly spring mounted. Do not loosen or re ...
-
Carrier 48TM016-028 - page 34
34 Table 14 — Fan Perform ance — 48TMD016 (Low Heat Units) * LEGEND *Standard low-medium static drive range is 873 to 1021 rpm. Alter- nate high-static drive range is 1025 to 1200. Other rpm s require a field-supplied drive. Refer to page 39 for general F an P erformance Data notes. NO TE: Maximum continuous bhp f or the standard motor is 6.13. ...
-
Carrier 48TM016-028 - page 35
35 Table 15 — Fan Pe rformance — 4 8TMF016 ( High Heat Un its)* LEGEND *Standard low-medium static drive range is 873 to 1021 rpm. Alter- nate high-static drive range is 1025 to 1200. Other rpm s require a field-supplied drive. Refer to page 39 for general F an P erformance Data notes. NO TE: Maximum continuous bhp f or the standard motor is 6. ...
-
Carrier 48TM016-028 - page 36
36 Table 16 — Fan Perform ance — 48TMD020 (Low Heat Units) * LEGEN D *Stand ard low-med ium static d rive range i s 910 to 1 095 r pm. Al tern ate high- static dr ive range is 106 9 to 12 87. Oth er r pms re quire a fie ld-supp lied dr ive. Refer to pag e 39 for gen eral Fan P er forman ce Dat a notes. NOTE: Maximum con tinuous b hp is 5.9 0. T ...
-
Carrier 48TM016-028 - page 37
37 Table 18 — Fan Perform ance — 48TMD025 (Low Heat Units) * LEGEND *Standard low-medium static dr iv e range is 1002 to 1151 r pm. Alter- nate high-static drive range is 1193 to 1369. Other rpm s require a field-supplied drive. Refer to page 39 for general F an P erformance Data notes. NO TE: Maximum continuous bhp for the standard motor is 8. ...
-
Carrier 48TM016-028 - page 38
38 Table 19 — Fan Pe rformance — 4 8TMF025 ( High Heat Un its)* LEGEND *Standard low-medium static dr iv e range is 1002 to 1151 r pm. Alter- nate high-static drive range is 1193 to 1369. Other rpm s require a field-supplied drive. Refer to page 39 for general F an P erformance Data notes. NO TE: Maximum continuous bhp for the standard m otor i ...
-
Carrier 48TM016-028 - page 39
39 Table 20 — Fan Perform ance — 48TMD028 (Low Heat Units) * LEGEND *Stand ard low-med ium stat ic dri ve range is 1066 to 1283 r pm. Alter na te high- static dr ive range is 133 2 to 15 50. Oth er r pms re quire a fie ld-supp lied dr ive. Refer to this p age for gen eral Fan P er forman ce Data n otes. NOTE: Maximum co ntinuous b hp is 10. 20 ...
-
Carrier 48TM016-028 - page 40
40 Table 22 — Air Q uantity Limits Table 23 — Accessory /FIOP St atic Pre ssure (in . wg)* — 48TM016-02 8 LEGEND *The static press ure must be added to exter nal static pr essure. The sum and the evaporator enter ing-air cfm sho uld then be used in con j uncti on with the F an Pe rf ormance tab les to determi ne b low er r pm and wa tts . Tab ...
-
Carrier 48TM016-028 - page 41
41 Operating Sequ ence COOLING , UNITS WITHOUT ECONOMIZER — W h e n thermostat calls for c ooling, terminals G an d Y1 are ener gized. The indo or (evap orator) f an contacto r (IFC), compressor c on- tact or no. 1 (C 1) and out door -fan contact or (OFC ) are ener - gized, an d evaporat or -fan moto r , compressor no. 1, a nd both conden ser fan ...
-
Carrier 48TM016-028 - page 42
42 Routin e 3 (OA T > 68) • Econom izer is opened 1 00%. • Compressor s 1 and 2 are cycled based on Y1 and Y2 using minimum on and off times and watching the sup- ply ai r temp er ature as c omp ared t o SA TLO 1 and SA TLO2 set points. If optional power exhaust is installed, as the out door- air damper opens and closes, the power e xhaust f ...
-
Carrier 48TM016-028 - page 43
43 HEA TING , UN IT WITH ECONOMI$ER2, PREM IERLINK CON TRO L AN D A ROO M SE NSO R — Every 40 seconds the contro ller will calc ulate the re quired heat stages (maxi mum of 3) to maintain supply air t emperature (SA T) if the following qualifying conditions are met: • Indoor fan h as been on fo r at least 30 seconds. • COOL mode is not active ...
-
Carrier 48TM016-028 - page 44
44 F A N SH A F T B E A R IN G S — Lubricat e bearings at least every 6 months with suitable bearing grease. Extended grease line is provided for far side fan bearing (opposite drive side). T ypical lubricants are give n below: *Preferred lubricant because it contains r ust and oxidat ion inhibitors. CONDENSER AND EV AP ORA TOR -F AN MOT OR BE A ...
-
Carrier 48TM016-028 - page 45
45 Belt T ension Adjustment — T o adjust belt tension: 1. L oose n fa n mot or bo lts. 2. T urn m otor jacking bolt to move motor mount ing plate up or down for proper belt tension ( 3 / 8 in. deflect ion at midspan with one finger [9 lb force]). 3. Tighten nuts. 4. Adjust bolts and nut on mounting plate to secure motor in fixed position. Condens ...
-
Carrier 48TM016-028 - page 46
46 Gas V alve Adjustment NA TU RA L GA S — The gas valve opens and closes in response to the therm ostat or limi t control. When power is supplied t o valve terminals D1 and C2, the main valve opens to its preset position. The regular factory setting is st amped on the valve body (3.3 in. wg). T o adjust regulator: 1. Set thermost at at setting f ...
-
Carrier 48TM016-028 - page 47
47 Diagnosti c IGC Control LEDs — The IGC board has LEDs for diagnostic purposes. Re fer to T roubleshooting s e c t i o no np a g e5 1 . Optional Hinged Access Doo rs — When the optional service p ackage is o rdered or the if the hing ed access doo rs option is ordered, the unit will be provided with external an d internal hinged access doors ...
-
Carrier 48TM016-028 - page 48
48 Fig. 57 — T ypical Wi ring S chematic (48TM 016,020 — 2 08/230 V S hown) ...
-
Carrier 48TM016-028 - page 49
49 Fig. 58 — T ypical Component Arrangement ...
-
Carrier 48TM016-028 - page 50
50 AHA — Ad j usta ble Heat Anticipator C— Contacto r , C ompressor CAP — Capa citor CB — Circuit Breaker CC — Cooli ng Co mpensator CH — Crankc ase Heater CLO — Compre ssor Lockout COMP — Com pressor Motor CR — Cont rol Relay DM — Damper Mo tor DU — Dumm y T erminal EQUIP — Equipmen t FPT — F reeze Protection Ther m ostat ...
-
Carrier 48TM016-028 - page 51
51 TROUBLESHOO TING Unit T rou bleshootin g — Refer to T ables 27-29 and Fig. 59. EconoMi$erIV T roub leshooting — See T able 30 for EconoMi$er IV logic. A functional view of the EconoMi$erIV is shown in Fig. 60. T ypic al settings, sensor ranges, and jumper positions are also shown. An EconoMi$erIV simulator program is available from Carrier t ...
-
Carrier 48TM016-028 - page 52
52 7. Remove jumper from TR to N. 8. Remove jumper from TR to 1. 9. Remove 5.6 kilo-ohm resistor from T and T1. Rec onnect wires at T a nd T1. 10. Remove jumper from P to P1. R econnect device at P and P1. 1 1. Apply powe r (24 vac) to terminals TR and TR1. Table 27 — Cooling Se rvice Analysi s LEGEND TXV — Ther mostatic Expansion V alve PROBLE ...
-
Carrier 48TM016-028 - page 53
53 Table 28 — Heating Servic e Analysis LEGEND GR — Ground Table 29 — MoistureM i$er™ Deh umidificat ion Subcool er Service Analysis PROBLEM CAUSE REME D Y Burners Will Not Ignit e. Misaligned spark electrodes. Check flame ignition and sensor electrode positioning. Ad j ust as needed. No gas at main burners. Check gas line f or air ; purge ...
-
Carrier 48TM016-028 - page 54
54 Table 30 — EconoMi$erIV Input/Output Logic *For single enthalpy control, the module compares outdoor enthalpy to the ABCD set point. †P ower at N term inal determ ines Occupied/Unoccupied setting: 24 vac (Occupied), no power (Unoccupied). **Modulation is based on the supply air sensor signal. ††Modulation is based on the DCV signal. ***M ...
-
Carrier 48TM016-028 - page 55
55 Fig. 59 — IGC Control (Heating and Cooling) LEGEND IGC — Integrated Gas Unit Controller NO TE: Thermostat F an Switch in the “A UT O” position. ...
-
Carrier 48TM016-028 - page 56
56 Fig. 60 — EconoMi$erIV Functional View ...
-
Carrier 48TM016-028 - page 57
57 INDEX Air quali ty lim its 40 Altitude com pensati on 12 Burn er sect ion 12 Burn er sp ark g ap 47 Carrier Comfort Network® 19 Char ging chart, re frigera nt 45 Clea ranc e 6-8 CO 2 sensor Configuration 30 Settings 29, 30 Combustion blower wheel 43 Compre ssor Lockout 25, 46 Lubrication 43 Mounting 33 Rotation 33 Concentric duct 11 Condensate ...
-
Carrier 48TM016-028 - page 58
Manufa cturer reser ves the right to discon tinue, or change at any time, specificat ions or designs w ithout not ice and without incurrin g obligations. Catalog No. 04-5348 0016- 01 P rin ted in U.S.A. For m 48TM- 4SI Pg 58 3-06 Replaces: 4 8TM-3 SI Book 1 4 Ta b 1 a 6 a Copyright 2 006 Car rier Cor poration SER VICE TRAINING Packaged Service T ra ...
-
Carrier 48TM016-028 - page 59
...
-
Carrier 48TM016-028 - page 60
Manufa cturer reser ves the right to discon tinue, or change at any time, specificat ions or designs w ithout not ice and without incurrin g obligations. Catalog No. 04-5348001 6-01 Pr inted i n U .S.A. Form 48TM-4SI Pg CL-1 3-06 Replace s: 48TM-3 SI Book 1 4 Ta b 1 a 6 a Copyright 2 006 Car rier Cor poration - ------------- ----------- ----------- ...
¿Tienes una pregunta acerca de Carrier 48TM016-028?
Utiliza el formulario que se encuentra abajo
Si con la ayuda del manual de instrucciones encontrado no has podido solucionar tu problema con Carrier 48TM016-028, haz una pregunta utilizando el formulario que se encuentra abajo. Si alguno de los usuarios ha tenido un problema parecido con Carrier 48TM016-028 probablemente compartirá una forma de solucionarlo.