Carrier 48TFE008-014 - Manual

Carrier 48TFE008-014

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Table of Contents:

  • Page 2 – Fig. 1 — Horizontal Conversion Panels
  • Page 3 – Fig. 2 — Roof Curb Details
  • Page 4 – MAXIMUM ALLOWABLE; Fig. 3 — Unit Leveling Tolerances; Fig. 5 — Rigging Details
  • Page 7 – Fig. 6 — Base Unit Dimensions
  • Page 8 – Fig. 8 — Gas Piping Guide (With Accessory; SPACING OF SUPPORTS; STEEL PIPE NOMINAL DIAMETER; NFGC —; Fig. 7 — Flue Hood Details
  • Page 9 – Table 2 — Electrical Data; Route thermostat cable or equivalent single leads of colored; Table 3 — American/European Wire Conversions
  • Page 10 – Fig. 9 — Power Wiring Connections; IFC; AHA —; CC; Fig. 11 — Field Control Wiring Raceway
  • Page 11 – Step 8 — Adjust Factory-Installed Options; Fig. 12 — Apollo Control Factory-Installed
  • Page 12 – Fig. 16 — Position Setting
  • Page 13 – Fig. 19 — Vertical Discharge Block-Off Plate
  • Page 14 – Fig. 23 — Durablade Economizer Damper Minimum
  • Page 15 – CFM
  • Page 17 – OAT
  • Page 18 – Fig. 39 — Supply Air Sensor Placement
  • Page 19 – SETTINGS; Fig. 41 — EconoMi$er Barometric Relief Capacity
  • Page 20 – Step 9 — Adjust Evaporator-Fan Speed —; Table 6 — Evaporator-Fan Motor Performance; Fig. 42 — Typical Belt-Drive Motor Mounting
  • Page 22 – Table 12 — Fan Performance, 48TF008 — Vertical Discharge Units (SI); Boldface
  • Page 23 – Table 13 — Fan Performance, 48TF012 — Vertical Discharge Units (SI); BkW —
  • Page 24 – Table 14 — Fan Performance, 48TF014 — Vertical Discharge Units (SI)
  • Page 25 – Table 15 — Fan Performance, 48TF008 — Horizontal Discharge Units (SI)
  • Page 26 – Table 16 — Fan Performance, 48TF012 — Horizontal Discharge Units (SI)
  • Page 27 – Table 17 — Fan Performance, 48TF014 — Horizontal Discharge Units (SI)
  • Page 35 – Table 24 — Altitude Compensation*; Integrated Gas Controller (IGC) Operation
  • Page 37 – Refer to Optional Dura-; Condenser Coil Grille —; Condenser coil grille is; Refrigerant Charge —; Amount of refrigerant charge is; Fig. 45 — Cleaning Condenser Coil; 8TF UNIT VOLTAGE
  • Page 39 – Table 25 — LED Error Code Description*
  • Page 40 – Fig. 52 — Burner Section Details
  • Page 41 – Fig. 54 — Spark Gap Adjustment
  • Page 42 – TROUBLESHOOTING; Table 26 — LED Error Code Service Analysis; PROBLEM
  • Page 43 – Table 27 — Cooling Service Troubleshooting
  • Page 44 – IFM —
  • Page 45 – Table 30 — Durablade Economizer Troubleshooting
  • Page 46 – Fig. 55 — Typical Unit Wiring Schematic
  • Page 48 – I. PRELIMINARY INFORMATION; ELECTRICAL; PRESSURES
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 004-816

Printed in U.S.A.

Form 48TF-C1SI

Pg 1

1-01

Replaces: New

Book 1

4

Tab

1a 6a

Installation, Star t-Up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33

Step 1 — Provide Unit Support

. . . . . . . . . . . . . . . . . . . 1

• ROOF CURB
• SLAB MOUNT

Step 2 — Field Fabricate Ductwork

. . . . . . . . . . . . . . . 2

Step 3 — Install External Trap for

Condensate Drain

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 4 — Rig and Place Unit

. . . . . . . . . . . . . . . . . . . . . 2

• POSITIONING

Step 5 — Install Flue Hood

. . . . . . . . . . . . . . . . . . . . . . . 8

Step 6 — Install Gas Piping

. . . . . . . . . . . . . . . . . . . . . . 8

Step 7 — Make Electrical Connection

. . . . . . . . . . . . 8

• FIELD POWER SUPPLY
• FIELD CONTROL WIRING
• HEAT ANTICIPATOR SETTINGS

Step 8 — Adjust Factory-Installed Options

. . . . . . 11

• APOLLO CONTROL
• MANUAL OUTDOOR-AIR DAMPER
• OPTIONAL DURABLADE ECONOMIZER
• OPTIONAL ECONOMI$ER

Step 9 — Adjust Evaporator-Fan Speed

. . . . . . . . . 20

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-36

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-41

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . 42-46

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can

be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func-

tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations. Have
fire extinguishers available for all brazing operations.

INSTALLATION

Unit is shipped in the vertical discharge configuration. To

convert to horizontal configuration, remove screws from side
duct opening covers and remove covers. Using the same
screws, install covers on vertical duct openings with the insula-
tion side down. Seals around duct openings must be tight. See
Fig. 1.

Step 1 — Provide Unit Support

ROOF CURB — Assemble and install accessory roof curb in
accordance with instructions shipped with curb. See Fig. 2. In-
stall insulation, cant strips, roofing felt, and counter flashing as
shown. Ductwork must be attached to curb. If gas, electric
power or control power is to be routed through the curb, attach
the accessory thru-the-curb service connection plates to the
roof curb in accordance with the accessory installation instruc-
tions. Connection plates must be installed before unit is set in
roof curb.

Curb should be level. Unit leveling tolerances are shown in

Fig. 3. This is necessary for unit drain to function properly. Re-
fer to Accessory Roof Curb Installation Instructions for addi-
tional information as required.

Disconnect gas piping from unit when leak test-
ing at pressure greater than 3.4 kPa (

1

/

2

psig).

Pressures greater than 3.4 kPa (

1

/

2

psig) will

cause gas valve damage resulting in hazardous
condition. If gas valve is ever subjected to pres-
sure greater than 3.4 kPa (

1

/

2

psig), it must be

replaced before use. When pressure testing
field-supplied gas piping at pressures of 3.4 kPa
(

1

/

2

psig) or less, a unit connected to such piping

must be isolated by manually closing the gas
valve(s).

Before performing service or maintenance operations on
unit, turn off main power switch to unit. Electrical shock
could cause personal injury.

IMPORTANT: The gasketing of the unit to the roof curb
is critical for a watertight seal. Install gasket supplied
with the roof curb as shown in Fig. 2. Improperly
applied gasket can also result in air leaks and poor unit
performance.

48TFD008-014

48TFE008-014

48TFF008,012

Single-Package Rooftop Heating/Cooling Units

50 Hz

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Summary

Page 2 - Fig. 1 — Horizontal Conversion Panels

2 SLAB MOUNT (Horizontal Units Only) — Provide a levelconcrete slab that extends a minimum of 152 mm (6 in.)beyond unit cabinet. Install a gravel apron in front of con-denser coil air inlet to prevent grass and foliage from obstruct-ing airflow. NOTE: Horizontal units may be installed on a roof curb...

Page 3 - Fig. 2 — Roof Curb Details

3 CONNECTOR PKG. ACCY. B C D ALT DRAIN HOLE GAS POWER CONTROL CRBTMPWR001A00 2 ′ -8 7 / 16 ″ [827] 1 ′ -10 15 / 16 ″ [583] 1 3 / 4 ″ [44.5] 3 / 4 ″ [19] NPT 3 / 4 ″ [19] NPT 1 / 2 ″ [12.7] CRBTMPWR002A00 1 1 / 4 ″ [31.7] CRBTMPWR003A00 1 / 2 ″ [12.7] NPT 3 / 4 ″ [19] NPT 1 / 2 ″ [12.7] CRBTMPWR004A0...

Page 4 - MAXIMUM ALLOWABLE; Fig. 3 — Unit Leveling Tolerances; Fig. 5 — Rigging Details

4 Although unit is weatherproof, guard against water from higher level runoff and overhangs. Position unit on roof curb so that the following clearances are maintained: 7 mm ( 1 / 4 -in.) clearance between roof curb and base rails on each side and duct end of unit; 84 mm (3 5 / 16 -in.) clearance be...

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