Carrier 50TFQ008 Installation, Start-Up And Service Instructions Manual
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Carrier 50TFQ008 Installation, Start-Up And Service Instructions Manual

Carrier 50TFQ008 Installation, Start-Up And Service Instructions Manual

Single-package rooftop heat pump units, 50 hz, ce units
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See also: Product Data
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Step 1- Provide Unit Support. . . . . . . . . . . . . . . . . . . . 2
Step 2 - Field Fabricate Ductwork . . . . . . . . . . . . . . . 2
and External Trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 4 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . 4
• POSITIONING
Step 5 - Make Electrical Connections . . . . . . . . . . . 8
• HEAT ANTICIPATOR SETTINGS
This literature contains installation, start-up, and service
instructions for 50TFQ rooftop units bearing the Mark of
the European Community (CE). These units are designed in
Check Here
Compressor or Compressor
Section
Compressor Test Pressure
- High
Compressor Test Pressure
- Low
Fuse
Heater
Minimum Clearance to Combus-
tible Materials 25 mm (1 in.) for
First 305 mm (12 in.) of Duct
When Electric Heater is Installed
on Horizontal Discharge Unit.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 005-052
Book 1
4
Tab
5a 5a
Single-Package Rooftop Heat Pump Units
Installation, Start-Up and
Service Instructions
Page
Printed in U.S.A.
CONTENTS
Step 7 - Adjust Indoor-Fan Speed . . . . . . . . . . . . . . 14
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20,21
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-24
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . .25,26
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . CL-1

GENERAL

accordance with European Standard EN60335-2-40 and dis-
play the following symbols:
Minimum Unit
Disconnect
Outdoor (Condenser)
Fan
Phase
Number
Single Point Box
Fire Hazard
Explosion Hazard
No Open Flame
Form 50TFQ-C2SI
50TFQ008-012
50 Hz, CE Units
Ground
Check Compressor
Rotation
Moving Parts
Hazard
Filter Section
Fan Section
Electrical Hazard
Pg 1
11-00
Replaces: New
Page

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Summary of Contents for Carrier 50TFQ008

  • Page 1: Table Of Contents

    50TFQ008-012 Single-Package Rooftop Heat Pump Units 50 Hz, CE Units Installation, Start-Up and Service Instructions CONTENTS Page Page GENERAL ........1 Step 6 —...

  • Page 2: Safety Considerations

    SAFETY CONSIDERATIONS Curb should be level. Unit leveling tolerances are shown in Fig. 1. This is necessary for unit drain to function properly. Re- Installation and servicing of air-conditioning equipment can fer to Accessory Roof Curb Installation Instructions for addi- be hazardous due to system pressure and electrical compo- tional information as required.
  • Page 3 D ALT ROOF CURB UNIT SIZE CONNECTOR “A” DRAIN POWER CONTROL ACCESSORY 50TFQ PKG. ACCY. HOLE CRRFCURB003A00 1′-2″ [356] ″ [19] NPT) ″ ″ CRBTMPWR001A00 008-012 CRRFCURB004A00 2′-0″ [610] ″ [31.7] [19] NPT [12.7] CRBTMPWR002A00 ″ ″ ″ ″ 2′-8 1′-10 ″...

  • Page 4: Step 3 - Install Condensate Drain Line

    Step 3 — Install Condensate Drain Line and POSITIONING — Maintain clearance around and above unit to provide proper airflow and service access. See Fig. 5. External Trap — Condensate drain connections are locat- Position unit on roof curb so that the following clearances ed at the bottom and end of the unit.
  • Page 5 DURABLADE CORNER CORNER CORNER CORNER STD UNIT ECONOMI$ER ECONOMIZER WEIGHT WEIGHT WEIGHT WEIGHT “H” “J” “K” UNIT WEIGHT WEGHT WEIGHT 50TFQ Ft-in. Ft-in. Ft-in. 1050 2-10 1050 1015 2-10 1253 BOTTOM POWER CHART, THESE HOLES REQ’D CONNECTION SIZES FOR USE WITH ACCESSORY PACKAGES — ″...
  • Page 6 Table 1A — Physical Data (SI) UNIT SIZE 50TFQ NOMINAL CAPACITY (kW) 26.4 29.9 35.2 OPERATING WEIGHT (kg) Unit Al/Al* Durablade Economizer Roof Curb† COMPRESSOR Hermetic Quantity Oil (ml) 1331 ea 1597 ea 1597 ea REFRIGERANT TYPE R-22 Operating Charge (kg) Circuit 1 2.67 3.60...
  • Page 7 Table 1B — Physical Data (English) UNIT SIZE 50TFQ NOMINAL CAPACITY (tons) OPERATING WEIGHT (lb) Unit Al/Al* 1015 Durablade Economizer Roof Curb† COMPRESSOR Hermetic Quantity Oil (oz) 45 ea 54 ea 54 ea REFRIGERANT TYPE R-22 Operating Charge (lb-oz) Circuit 1 5-14 7-10 Circuit 2...

  • Page 8: Step 5 - Make Electrical Connections

    Operation on improper line voltage or exces- Disconnect Per Local Codes sive phase imbalance constitutes abuse and may cause damage to electrical components. Such operation would Single Point Box invalidate any applicable Carrier warranty. Accessory DISCONNECT EMT (ELECTRIC BRACKET AND...
  • Page 9 Table 2 — Electrical Data VOLTAGE COMPRESSOR DISCONNECT ELECTRIC HEAT* POWER SUPPLY RANGE (each) SIZE UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal (each) MOCP kW† — — 18.9 20** 13.9 36.3 40** 11.5 16.6 39.6 40** 400-3-50 42.0 19.3 27.9 53.8 60** 22.9 33.1...

  • Page 10: Field Control Wiring

    UNIT VOLTAGE instructions. NOTE: If using Carrier electronic thermostat, set thermostat UNIT Configuration Heater configuration for “non-heat pump operation.” The use of the O...

  • Page 11: Defrost Board

    NOTE: Be sure rear economizer flange is engaged under tabs (evaporator) fan status, filter status, and indoor-air quality. The in vertical return-air opening. Apollo control is designed to work with Carrier TEMP and 6. To convert to horizontal discharge application: VVT® (Variable Volume and Temperature) systems.
  • Page 12 d. Install horizontal discharge block-off plate over the opening on the access panel. (Block-off plate MUST be installed before installing hood assem- bly.) See Fig. 18. 7. Remove 12-pin blue and yellow jumper wire plug from the factory harness located in the top left return-air sec- tion and save.
  • Page 13 BLOCK-OFF PLATE Fig. 18 — Horizontal Discharge Block-Off Plate (TERMINALS ARE UP) UNIT OUTSIDE AIR SCREEN *Includes pressure drop for filters and hoods. Fig. 19 — Durablade Economizer Minimum Position Setting ENTHALPY CONTROL HOOD Fig. 21 — Durablade Economizer Outdoor-Air Thermostat/Enthalpy Control Installation Fig.

  • Page 14: Step 7 - Adjust Indoor-Fan Speed

    Adjust indoor- PLATE NUTS fan speed to meet jobsite conditions. For units with electric heat, required minimum L/s is 1062 (cfm is 2250) for 50TFQ008; 1203 (2550) for 50TFQ009; and 1416 (3000) for 50TFQ012 with the following exceptions: REQUIRED UNIT...
  • Page 15 Fig. 26 — Indoor-Fan Pulley Adjustment Table 5 — Indoor-Fan Motor Performance MAXIMUM MAXIMUM MAXIMUM UNIT INDOOR-FAN UNIT MAXIMUM ACCEPTABLE ACCEPTABLE ACCEPTABLE 50TFQ MOTOR VOLTAGE AMP DRAW CONTINUOUS BkW* CONTINUOUS BHP* OPERATING WATTS Standard 1.79 2.40 2120 Standard 1.79 2.40 2120 Standard 2.16...
  • Page 16 Table 8 — Fan Performance (SI), 50TFQ008,009 — Vertical Discharge Units EXTERNAL STATIC PRESSURE (Pa) AIRFLOW (L/s) 1100 8.7 0.42 10.1 0.59 11.1 0.75 12.2 0.93 13.1 1.12 14.0 1.30 14.8 1.51 15.7 1.77 16.4 2.02 17.2 2.35 1200 9.3 0.52 10.5 0.69 11.6 0.87 12.6 1.05 13.5 1.26 14.3 1.46 15.1 1.66 15.9 1.88 16.7 2.14 17.4 2.44 9.8 0.54 11.0 0.81 12.1 1.01 13.0 1.20 13.9 1.41 14.7 1.63 15.5 1.84 16.2 1.98 16.9 2.29 17.6 2.56...
  • Page 17 Table 10 — Fan Performance (SI), 50TFQ008,009 — Horizontal Discharge Units EXTERNAL STATIC PRESSURE (Pa) AIRFLOW (L/s) 1100 7.9 0.35 9.4 0.50 10.6 0.68 11.7 0.85 12.7 1.03 13.6 1.25 14.4 1.46 14.9 1.69 15.1 1.92 15.0 2.15 1200 8.3 0.42 9.8 0.59 11.0 0.78 12.0 0.95 13.0 1.15 13.9 1.36 14.8 1.58 15.5 1.82 16.0 2.06 16.4 2.31...
  • Page 18 Table 12 — Fan Performance (English), 50TFQ008,009 — Vertical Discharge Units EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 2200 0.50 0.71...
  • Page 19 Table 14 — Fan Performance (English), 50TFQ008,009 — Horizontal Discharge Units EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 2200 0.42 0.62...

  • Page 20: Pre-Start-Up

    PRE-START-UP e. Make sure indoor fan pulley alignment and belt tension are correct. START-UP Failure to observe the following warnings could result in Unit Preparation — Make sure that unit has been in- serious personal injury: stalled in accordance with installation instructions and applica- 1.
  • Page 21 Heating — between the T2 and 24 vac terminals and between the T1 and To start unit, turn on main power supply. 24 vac terminals. This causes the economizer damper to remain Set thermostat at HEAT position at a setting above room in an intermediate open position.

  • Page 22: Service

    SERVICE When servicing unit, shut off all electrical power to unit, install lockout tag to avoid shock hazard or injury from rotating parts. Cleaning — Inspect unit interior at the beginning of each heating and cooling season or as operating conditions require. INDOOR COIL 1.
  • Page 23 Refer to appropriate chart to determine what the suction temperature should be. If suction temperature is high, add refrigerant. If suction temperature is low, carefully recover Fig. 31 — Cooling Charging Chart, 50TFQ008 some of the charge. Recheck the suction pressure as charge is adjusted.
  • Page 24 Fig. 32 — Cooling Charging Chart, 50TFQ009 Fig. 33 — Cooling Charging Chart, 50TFQ012...

  • Page 25: Start-Up

    TROUBLESHOOTING Table 16 — Heating and Cooling Troubleshooting PROBLEM CAUSE REMEDY Compressor and outdoor fan Power failure. Call power company. will not start. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or control Replace component.
  • Page 26 — Outdoor-Air Thermostat — Plug — Supply-Air Thermostat — Economizer Position Switch Copyright 2000 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 Catalog No. 005-052 Printed in U.S.A.

  • Page 28: Start-Up Checklist

    VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN CORRECT DIRECTION (SIZE 012 ONLY) VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGES 23 AND 24. Copyright 2000 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

This manual is also suitable for:

50tfq00950tfq012

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