Gebruiksaanwijzing /service van het product 48TM016-028 van de fabrikant Carrier
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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.
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 .
3 Fig. 2A — Roof Curb Detail s — 48TM016-025.
4 Fig. 2B — Roof Curb Details — 48TM028.
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.
6 Fig. 4 — Base Unit Dimen sions — 48T M016,020.
7 Fig. 5 — Base Unit Dimensions — 48T M025.
8 Fig. 6 — Base Unit Di mensions — 48TM028.
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 .
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 .
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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 OR.
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.
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 .
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 .
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$er2 damper control option.
25 Outdoor air leakage is shown in T able 9. Return air pressur e drop is shown in T able 10. T able 9 — O utdoor Air Damper Leakag e T able 10 — Return A ir Pressure Drop (in.
26 LEGEND DCV — Demand Controlled V entilation IAQ — In door Air Q uality LALS — Low T emperatur e Comp ressor Loc k out Swi tch OA T — O utdoor-Ai r T emperature PO T — Potentiom eter P otentiome ter Default Settin gs: P ower Exhaust Middle Minimum P os.
27 ECONOMI$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.
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.
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.
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.
31 Step 14 — Install Humi distat f or Optional Moisture Mi $er™ P acka ge — Moist ureMi $er dehu- midificati on package ope ration can be c ontrolled by fiel d instal lation of a Carri e r-a pproved hu midistat . T o install t he humidistat p erform t he following pr ocedure: 1.
32 Fig. 46 — Mois tureMi$er™ Dehumidification Operation Diagram TXV — Thermost atic Expansion V alve.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
43 HEA TING , UN IT WITH ECONOMI$ER2, PREM IERLINK CON TRO L AN D A ROO M SE NSO R — Every 40 seconds the contro ller will calc ulate the re quired heat stages (maxi mum of 3) to maintain supply air t emperature (SA T) if the following qualifying conditions are met: • Indoor fan h as been on fo r at least 30 seconds.
44 F A N SH A F T B E A R IN G S — Lubricat e bearings at least every 6 months with suitable bearing grease. Extended grease line is provided for far side fan bearing (opposite drive side). T ypical lubricants are give n below: *Preferred lubricant because it contains r ust and oxidat ion inhibitors.
45 Belt T ension Adjustment — T o adjust belt tension: 1. L oose n fa n mot or bo lts. 2. T urn m otor jacking bolt to move motor mount ing plate up or down for proper belt tension ( 3 / 8 in. deflect ion at midspan with one finger [9 lb force]). 3.
46 Gas V alve Adjustment NA TU RA L GA S — The gas valve opens and closes in response to the therm ostat or limi t control. When power is supplied t o valve terminals D1 and C2, the main valve opens to its preset position. The regular factory setting is st amped on the valve body (3.
47 Diagnosti c IGC Control LEDs — The IGC board has LEDs for diagnostic purposes. Re fer to T roubleshooting s e c t i o no np a g e5 1 . Optional Hinged Access Doo rs — When the optional service .
48 Fig. 57 — T ypical Wi ring S chematic (48TM 016,020 — 2 08/230 V S hown).
49 Fig. 58 — T ypical Component Arrangement.
50 AHA — Ad j usta ble Heat Anticipator C— Contacto r , C ompressor CAP — Capa citor CB — Circuit Breaker CC — Cooli ng Co mpensator CH — Crankc ase Heater CLO — Compre ssor Lockout COMP.
51 TROUBLESHOO TING Unit T rou bleshootin g — Refer to T ables 27-29 and Fig. 59. EconoMi$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.
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.
53 Table 28 — Heating Servic e Analysis LEGEND GR — Ground Table 29 — MoistureM i$er™ Deh umidificat ion Subcool er Service Analysis PROBLEM CAUSE REME D Y Burners Will Not Ignit e. Misaligned spark electrodes. Check flame ignition and sensor electrode positioning.
54 Table 30 — EconoMi$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.
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.
56 Fig. 60 — EconoMi$erIV Functional View.
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 Config.
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.
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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.
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