Carrier 50TFQ008 Manual do Utilizador

Copyright 2001 Carrier Corporation Form 50TFQ-C3PDSingle-package standard efficiencyrooftop heat pumps with:• State-of-the-art defrost system• Dependa

10Accessory dimensionsCONNECTORPKG.ACCY.BCD ALTDRAINHOLEGAS POWER CONTROLCRBTMPWR001A002′-87/16″[827]1′-1015/16″[583]13/4″[44.5]3/4″[19] NPT3/4″ [19]

11I Determine cooling and heating requirementsat design conditions.Given:Required Cooling Capacity (TC) . . . . . . . . . 23 kWSensible Heat Capacity

12I Determine cooling and heating requirementsat design conditions.Given:Required Cooling Capacity (TC) . . . . .78,000 BtuhSensible Heat Capacity (SH

13COOLING CAPACITIESLEGENDNOTES:1. Ratings are gross, and do not account for the effects of the indoor-fan motor power and heat.2. Direct interpolatio

14COOLING CAPACITIES (SI) (cont)LEGENDNOTES:1. Ratings are gross, and do not account for the effects of the indoor-fan motor power and heat.2. Direct

15COOLING CAPACITIES (SI) (cont)LEGENDNOTES:1. Ratings are gross, and do not account for the effects of the indoor-fan motor power and heat.2. Direct

16COOLING CAPACITIES (ENGLISH)LEGENDNOTES:1. Ratings are gross, and do not account for the effects of the indoor-fan motor power and heat.2. Direct in

17COOLING CAPACITIES (ENGLISH) (cont)LEGENDNOTES:1. Ratings are gross, and do not account for the effects of the indoor-fan motor power and heat.2. Di

18INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instantaneous) capac

19INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instantaneous

2Easy conversion from vertical to horizontal discharge to make retro-fit and add-on jobs easier. To convert from vertical to horizontal discharge, sim

20INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instantaneous

21INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instantaneous)

22INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instanta

23INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)LEGENDNOTES:1. indicates integrated ratings.2. Integrated capacity is maximum (instanta

24FAN PERFORMANCE (SI) — VERTICAL DISCHARGE UNITSLEGENDNOTES:1. Boldface indicates field-supplied drive required.2. indicates field-supplied motor and

25FAN PERFORMANCE (SI) — HORIZONTAL DISCHARGE UNITSLEGENDNOTES:1. Boldface indicates field-supplied drive required.2. indicates field-supplied motor a

26FAN PERFORMANCE (ENGLISH) — VERTICAL DISCHARGE UNITSLEGENDNOTES:1. Boldface indicates field-supplied drive required.2. indicates field-supplied moto

27FAN PERFORMANCE (ENGLISH) — HORIZONTAL DISCHARGE UNITSLEGENDNOTES:1. Boldface indicates field-supplied drive required.2. indicates field-supplied mo

28ACCESSORY STATIC PRESSURE DROP (Pa)50TFQ008-012ACCESSORY STATIC PRESSURE DROP (in. wg)50TFQ008-012FAN R/S AT MOTOR PULLEY SETTINGS (SI)FAN RPM AT MO

29INDOOR-FAN MOTOR PERFORMANCELEGEND*Extensive motor and electrical testing on these units ensures that the full BkW (or brake horse-power) range of t

3Ratings summaryLEGENDNOTE: Ratings are net values adjusted for the effects of indoor-fan motor heat. Ratings are based on:Cooling Standard: 27 C (80

30LEGEND*Heaters are field installed only.†Used to determine minimum disconnect per NEC (U.S.A. Standard).**Heater capacity (kW) is based on heater vo

31Typical piping and wiringHORIZONTAL DISCHARGE DUCTINGVERTICAL DISCHARGE DUCTINGLEGENDNEC — National Electrical Code (U.S.A.)

32Operating sequenceCooling, units without economizer — When the ther-mostat calls for cooling, terminals G and Y1 are energized.The indoor-fan contac

33If Y1 is energized, and the compressor no. 1 is alreadyenergized (see Step 2) and the room thermostat calls forY2, compressor no. 1 continues to ope

34Typical wiring schematic

35LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATICAHA — Adjustable Heat AnticipatorAWG — American Wire GageC—Contactor, CompressorCAP — CapacitorCB — Cir

36Outdoor installation — Units approved for outdoorinstallation only.Ductwork — Secure vertical discharge ductwork to roofcurb. For horizontal dischar

37Packaged Rooftop Air-to-Air Heat Pumpwith Electric Heat Option — ConstantVolume ApplicationHVAC Guide SpecificationsSize Range: 26.4 to 35.2 kW (71/

384. Filters shall be accessible through an accesspanel with ‘‘no-tool’’ removal.H. Controls and Safeties:1. Unit Controls:a. Unit shall be complete w

39preset to admit up to 50% outdoor air for year-round ventilation.* 6. 100% Two-Position Damper:a. Two-position damper package shall includesingle bl

4LEGENDAl — Aluminum*Indoor coil fin material/outdoor coil fin material.†Weight of 356 mm roof curb.NOTE: The 50TFQ units have a loss-of-charge/low-pr

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.New

5LEGEND*Indoor coil fin material/outdoor coil fin material.†Weight of 14-in. roof curb.NOTE: The 50TFQ units have a loss-of-charge/low-pressure switch

6*Factory installed.†Field installed.**Accessory single-point kit is required for size 008-012 units using electric heat.ITEM OPTION* ACCESSORY†Apollo

7HCELECTRIC HEATERElectric heaters are available in a wide rangeof capacities for field installation.THERMOSTATZone thermostat (24 v) provides one- or

8Options and accessories (cont)MINIMUMPOSITIONOPEN31TPP1T1425SSODCTRBREV.B198818A%HUMIDITY9070603010DCBA6065707555508580DAMPERDAMPERCLOSEDOPENOUTDOOR

9Base unit dimensionsUNIT50TFQSTANDARDUNITWEIGHTECONOMIZERWEIGHT(DURABLADE)CORNERWEIGHT(A)CORNERWEIGHT(B)CORNERWEIGHT(C)CORNERWEIGHT(D)“H” “J”“K”Lb Kg