Manual de instrucciones de Carrier 48TFF008-012

Manual de instrucciones del aparato Carrier 48TFF008-012

Aparato: Carrier 48TFF008-012
Categoría: Camper
Fabricante: Carrier
Tamaño: 1.95 MB
Fecha de añadido: 10/30/2013
Número de páginas: 48
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

48TFD008-014
48TFE008-014
48TFF008,012
Single-Package Rooftop Heating/Cooling Units
50 Hz
Installation, Start-Up and
Service Instructions
CONTENTS
Page
Disconnect gas piping from unit when leak test-
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
1
ing at pressure greater than 3.4 kPa ( / psig).
2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
1
Pressures greater than 3.4 kPa ( / psig) will
2
Step 1 — Provide Unit Support . . . . . . . . .

Resumen del contenido incluido en la página 2

SLAB MOUNT (Horizontal Units Only) — Provide a level To use the bottom drain connection for a roof curb installa- concrete slab that extends a minimum of 152 mm (6 in.) tion, relocate the factory-installed plug (Red) from the bottom beyond unit cabinet. Install a gravel apron in front of con- connection to the side connection. See Fig. 4. The piping for denser coil air inlet to prevent grass and foliage from obstruct- the condensate drain and external trap can be completed after ing airflow. the

Resumen del contenido incluido en la página 3

D ALT ROOF CURB UNIT SIZE CONNECTOR “A” BC DRAIN GAS POWER CONTROL ACCESSORY 48TF PKG. ACCY. HOLE CRRFCURB003A00 1′-2″ [356] 3 3 1 CRBTMPWR001A00 /4″ [19] NPT 008-014 /4″ /2″ CRRFCURB004A00 2′-0″ [610] 1 [19] NPT [12.7] CRBTMPWR002A00 1 /4″ [31.7] 7 15 3 1 2′-8 /16″ 1′-10 /16″ 1 /4″ /2″ 3 CRBTMPWR003A00 / ″ [19] NPT 4 NOTES: [827] [583] [44.5] 1 [12.7] NPT /2″ 1. Roof curb accessory is shipped disassembled. 3 [12.7] /4″ 1 2. Insulated panels: 1-in. [25] thick polyurethane CRBTMPWR004A00 1 / ″ [

Resumen del contenido incluido en la página 4

Although unit is weatherproof, guard against water from higher level runoff and overhangs. Position unit on roof curb so that the following clearances 1 are maintained: 7 mm ( / -in.) clearance between roof curb and 4 5 base rails on each side and duct end of unit; 84 mm (3 / -in.) 16 clearance between roof curb and condenser coil end of unit. (See Fig. 2, section C-C.) Locate mechanical draft system flue assembly at least 1219 mm (48 in.) from any opening through which combustion products could

Resumen del contenido incluido en la página 5

Table 1A — Physical Data (SI) UNIT SIZE 48TF 008 012 014 Low Heat (D), Medium Heat (E), High Heat (F) D E F D E F D E NOMINAL CAPACITY (kW) 21.5 29.2 35.9 OPERATING WEIGHT (kg) Unit 395 469 476 Durablade Economizer 20 20 20 EconoMi$er 28 28 28 Roof Curb* 65 65 65 COMPRESSOR TYPE Hermetic Hermetic Scroll Quantity 22 2 Oil (ml) 1479 ea 1479 ea 1597 ea REFRIGERANT TYPE R-22 Operating Charge (kg) Circuit 1 2.10 3.08 3.49 Circuit 2 2.22 3.22 3.49 CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced

Resumen del contenido incluido en la página 6

Table 1B — Physical Data (English) UNIT SIZE 48TF 008 012 014 Low Heat (D), Medium Heat (E), High Heat (F) D E F D E F D E NOMINAL CAPACITY (tons) 6.1 8.3 10.2 OPERATING WEIGHT (lb) Unit 870 1035 1050 Durablade Economizer 44 44 44 EconoMi$er 62 62 62 Roof Curb* 143 143 143 COMPRESSOR TYPE Hermetic Hermetic Scroll Quantity 22 2 Oil (oz) 50 ea 50 ea 54 ea REFRIGERANT TYPE R-22 Operating Charge (lb-oz) Circuit 1 4-10 6-13 7-11 Circuit 2 4-11 7- 2 7- 8 CONDENSER COIL Enhanced Copper Tubes, Aluminum

Resumen del contenido incluido en la página 7

DURABLADE STANDARD ECONOMI$ER CORNER CORNER CORNER CORNER ECONOMIZER “H” “J” “K” “L” UNIT UNIT WEIGHT WEIGHT WEIGHT (A) WEIGHT (B) WEIGHT (C) WEIGHT (D) WEIGHT 48TF Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg ft-in. [mm] ft-in. [mm] ft-in. [mm] ft-in. [mm] 7 5 11 7 870 395 44 20 62 28 189 86 161 73 239 109 280 127 1-2 / [378] 3-5 / [1050] 2-9 / [856] 2- 2 / [672] D/E/F008 8 16 16 16 7 5 3 7 1035 469 44 20 62 28 225 102 192 87 285 129 333 151 2-5 / [759] 4-1 / [1253] 3-0 / [924] 2-10 / [875] D/E/F0

Resumen del contenido incluido en la página 8

Step 5 — Install Flue Hood — Flue hood is shipped 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. 7. Step 6 — Install Gas Piping — Unit is equipped for use with type of gas shown on nameplate. Refer to local building codes. For natural gas applications, gas pressure at unit gas connec- tion must not be less than 13.5 kPa (4.0 in. wg) (17.0 kPa [5.0 in. wg] in high heat units) or great

Resumen del contenido incluido en la página 9

Table 2 — Electrical Data VOLTAGE COMPR OFM MINIMUM UNIT NOMINAL IFM POWER SUPPLY UNIT RANGE (ea) (ea) DISCONNECT VOLTAGE 48TF (50 Hz) Min Max RLA LRA FLA FLA MCA MOCP* FLA LRA 400 008 360 440 6.4 42.0 0.3 2.6 17.6 20 18 108 (3 phase) 400 012 360 440 8.9 52.0 0.3 2.6 23.2 30 24 128 (3 phase) 400 014 360 440 10.4 73.0 0.7 5.4 29.4 35 31 192 (3 phase) LEGEND Example: Supply voltage is 400-3-50. FLA — Full Load Amps AB = 393 v HACR — Heating, Air Conditioning and Refrige

Resumen del contenido incluido en la página 10

LEGEND C— Contactor IFC — Indoor (Evaporator) Fan Contactor NEC — National Electrical Code (U.S.A. Standard) Splice Connection (Factory Supplied) Equipment Ground Field Wiring Factory Wiring Fig. 9 — Power Wiring Connections INTEGRATED UNIT LOW VOLTAGE GAS UNIT CONNECTION CONTROLLER BOARD (IGC) LEGEND AHA — Adjustable Heat Anticipator CC — Cooling Compensator Field Wiring Factory Wiring Fig. 10 — Low-Voltage Connections COMPRESSOR COMPRESSOR RACEWAY NO. 2 NO.1 Fi

Resumen del contenido incluido en la página 11

9. Remove and save screws currently on sides of hood. Step 8 — Adjust Factory-Installed Options Insert screens. Secure screens to hood using the screws. APOLLO CONTROL — The optional Apollo control is used See Fig. 15. to actively monitor all modes of operation as well as indoor (evaporator) fan status, filter status, and indoor-air quality. The Apollo control is designed to work with Carrier TEMP and ® VVT systems. The thermostat must be wired to the Apollo control before starting the unit. Ref

Resumen del contenido incluido en la página 12

1.0 c. Install horizontal discharge block-off plate over 250 the opening on the access panel. (Block-off plate MUST be installed before installing hood assem- 0.8 bly.) See Fig. 22. 200 7. Insert economizer plug into economizer harness. Remove tape from barometric relief damper. See Fig. 20. 0.6 150 8. If ventilation air is not required, proceed to Step 9. If ven- tilation air is required, determine the minimum position setting for required airflow. See Fig. 23. Adjust minimum 0.4 100 position s

Resumen del contenido incluido en la página 13

ECONOMIZER ECONOMIZER ECONOMIZER TOP CONTROL BOARD PLUG MOTOR SCREW SHIPPING SCREW Fig. 20 — Durablade Economizer Installed in Unit ECONOMIZER CONTROL BOARD ECONOMIZER MOTOR Fig. 18 — Outdoor-Air Hood Details POSITION SETTING BRACKET Fig. 21 — Horizontal Durablade Economizer Installation (90 Degree Rotation) Fig. 19 — Vertical Discharge Block-Off Plate (48TF012, 014 Units Only) BLOCK-OFF PLATE Fig. 22 — Horizontal Discharge Block-Off Plate 13

Resumen del contenido incluido en la página 14

3 75 80 198818A TR1 1 ENTHALPY CONTROL 2 60 65 70 85 50 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 24V TR AC 55 REV.B TR B C S O D S 5 1 2 3 MINIMUM 4 POSITION T T1 OPEN P P1 30 D C % B A 90 H U 70 M I D 60 I T Y 10 OAT Example: (TERMINALS ARE UP) TOP Given — Negative Pressure . . . . . . . . . . . . . . . . . . . . . . . . . 25 Pa (0.1 in. wg) Outdoor Airflo

Resumen del contenido incluido en la página 15

ECONOMI$ER CONTROLLER GEAR-DRIVEN PLUG DAMPER ACTUATOR Fig. 26 — Wiring Connections for Outdoor-Air Thermostat 175 0.70 150 0.60 OUTDOOR AIR TEMPERATURE SENSOR 125 0.50 BAROMETRIC 100 0.40 RELIEF DAMPERS Fig. 28 — EconoMi$er Component Locations 75 0.30 0.20 50 25 0.10 0 0.00 200 400 600 800 1000 1200 CFM 0 100 200 300 400 500 570 L/s Fig. 27 — Durablade Economizer Barometric Relief Damper Characteristics OPTIONAL ECONOMI$ER — See

Resumen del contenido incluido en la página 16

OUTDOOR AIR SEAL STRIP OPENING OUTDOOR AIR PANEL HOOD TOP BLOWER SCREEN RETAINER OUTDOOR AIR INSTALL SEAL STRIP INLET RETURN AIR FILTER SCREENS BLOCK-OFF PLATE ASSEMBLED EXHAUST HOOD OUTDOOR AIR HOOD SIDES Fig. 31 — Outdoor Air Hood Assembly REMOVE FACTORY INSTALLED BLOCK-OFF PLATE (008 AND 012 UNITS ONLY) Fig. 33 — Return Air Block-Off Plate Installation (48TF014 Units Only) ECONOMIZER CLIP UNIT FILTER HVAC UNIT RACK ECONOMIZER UNIT BASE Fig. 32 — Completed Hood Assembly ECONOMIZER REAR FLANGE

Resumen del contenido incluido en la página 17

LEGEND Outdoor-Air Thermostat OAT — Fig. 36 — EconoMi$er Wiring ECONOMI$ER BROWN TEMP CONTROLLER VIOLET TEMP OUTDOOR AIR OAT COM SENSOR WHITE COM OUT RED PWR OAH +15 V BROWN RAT TEMP VIOLET RETURN TEMP COM AIR WHITE COM SENSOR RAH OUT RED +15 V PWR CO SENSOR 2 (+) V+ 24 CO2 CO COM 2 COM VAC DAT COM SUPPLY AIR TEMPERATURE SENSOR REM POT PINK COM TEMP LED VIOLET TEMP COM Fig. 37 — EconoMi$er Sensor Wiring 17

Resumen del contenido incluido en la página 18

TO FUSED DISCONNECT RED YEL BLU GRAY H1 H3 H2 H4 X4 X2 X3 X1 FIELD SUPPLIED WIRING SECONDARY 230VAC BLACK BLACK LT. BLUE 3 B 6 9 BLACK BROWN FAN 1 R1 3-PIN 2 5 8 24 VAC C1 CONNECTOR GREEN/ PLUG YELLOW 1 4 7 A 4-PIN CONNECTOR 2 x 4 IN. BLUE ORANGE 1 PLUG HANDY BOX YELLOW L1 2 BLACK L1 1 1 L2 BLUE L2 BROWN 22 3 GREEN GND GND 33 BLACK BLACK 44 BLUE 230 VAC LT. BLUE GREEN 1 PHASE 3 6 9 B BLACK R2 BROWN FAN 2 24 VAC 2 5 8 C1 GREEN/ YELLOW 1 4 7 A BLUE Fig. 38 — Wiring Diagram for Power Exhaus

Resumen del contenido incluido en la página 19

CO Control Set Up — If a CO sensor is not being used, pro- 4. Calculate the minimum airflow across the EconoMi$er. 2 2 ceed to the next section. If a CO sensor is being used, perform 2 a. Calculate % of outside air using the following the following: formula. 1. Determine the value at which you want the minimum % Outdoor air through EconoMi$er position of the dampers to begin opening to allow a great- Mixture Temp – Return Air Temp er amount of outdoor air to enter. The range is 800 to % Outdoor

Resumen del contenido incluido en la página 20

Step 9 — Adjust Evaporator-Fan Speed — Ad- just evaporator-fan speed to meet jobsite requirement. Table 6 shows motor performance. Tables 7 and 8 show fan rpm at motor pulley settings, Table 9 shows motor efficiencies and Tables 10 and 11 give accessory static pressure drops. Re- fer to Tables 12-23 to determine fan speed settings. Fan motor pulleys are factory set for speed shown in Table 1A or 1B. To change fan speed: 1. Shut off unit power supply and install lockout tag. 2. Loosen belt by loo


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