Carrier 50TC Instruction Manual

50TC---DSingle Package Rooftop, 50HzCooling Onlywith Puronr (R---410A) RefrigerantSizes: 17, 20, 24, 28, 30Installation InstructionsNOTE: Read the ent

50TC--D10C09139AFig. 5 -- Roof Curb Details – 17 and 20 Size Units

50TC--D11C09140AFig. 6 -- Roof Curb Details – 24 and 28 Size Units

50TC--D12C11251Fig. 7 -- Roof Curb Details – 30 Size Unit

50TC--D13Step 2 — Plan for Sequence of Unit InstallationThe support method used for this unit will dictate differentsequences for the steps of unit in

50TC--D14Step 5 — Field Fabricate DuctworkCabinet return-air static pressure (a negative condition)shall not exceed 87 Pa (0.5 in. wg) with economizer

50TC--D15"B""C""A"DETAIL ASEE DETAIL APLACE ALL SEAL STRIP IN PLACE BEFORE PLACING UNIT ON ROOF CURB.DUCT END1371 mm(54&

50TC--D16Step 8 — Install Outside Air Hood — FactoryOptionThe outside air hood for factory--option economizer andtwo--position damper is shipped in kn

50TC--D17Step 9 — Check Pulley Alignment and Belt TensionPulley Alignment —The motor pulley is an adjustable--pitch type that allowsimplementation of

50TC--D18Step 10 — Install External Condensate Trap andLineThe unit has one 19 mm(3/4-in.) condensate drainconnection on the end of the condensate pan

50TC--D19FIRE HAZARDFailure to follow this warning could result inintermittent operation or performance satisfaction.Do not connect aluminum wire betw

50TC--D2Communication Wiring -- Protocols 35...General 35...Local Access 36...RTU Ope

50TC--D20Factory--Option Thru--Base Connections —All units are equipped with the ability to bring utilitiesthrough the base.The electrical entrance is

50TC--D21Heat Anticipator Settings —Set heat anticipator settings at 0.14 amp for the first stageand 0.14 amp for second--stage heating.RubberGrommetC

50TC--D22PremierLinkt (Factory--Option)C08199Fig. 29 -- PremierLink ControllerThe PremierLink controller (see Fig. 29) is compatiblewith Carrier Comfo

50TC--D23C101075Fig. 31 -- PremierLink Wiring Schematic

50TC--D24Supply Air Temperature (SAT) Sensor —On FIOP--equipped 50TC--D unit, the unit is supplied witha supply--air temperature (SAT) sensor (33ZCSEN

50TC--D25Table 4 – Space Sensor ModeTB3 TERMINAL FIELD CONNECTION INPUT SIGNAL1 T 5 5 --- S E N / T 5 6 --- S E N Analog (10k thermistor)2 RMTOCC Disc

50TC--D26Space Sensors —The PremierLink controller is factory--shipped configuredfor Space Sensor Mode. A Carrier T--55 or T--56 spacesensor must be u

50TC--D27Economizer ControlsIndoor Air Quality (CO2)Sensor—The indoor air quality sensor accessory monitors spacecarbon dioxide (CO2) levels. This inf

50TC--D28J5-2J5-31311TB3TB3OAQ SensorPL24 VAC4-20mASIG COMC11157Fig. 41 -- Outdoor CO2Sensor ConnectionsSmoke Detector/Fire Shutdown (FSD) —This funct

50TC--D29Space Relative Humidity Sensor —The RH sensor is not used with 50Hz 50TC--D models atthis time.CCN Communication Bus —The PremierLink control

50TC--D3C101023Fig. 1 -- Unit Dimensional Drawing – 17 and 20 Size Units

50TC--D30RTU Open Control SystemThe RTU Open control is factory--mounted in the50DC*D unit’s main control box, to the right of the CTB.See Fig. 30. Fa

50TC--D31C101076Fig. 48 -- RTU Open System Control Wiring Diagram

50TC--D32Table 8 – RTU Open Controller Inputs and OutputsPOINT NAMEBACnet OBJECTNAMETYPE OF I/OCONNECTION PINNUMBER(S)DEDICATED INPUTSSpace Temp / Zon

50TC--D33Field ConnectionsField connections for accessory sensors and input devicesare made the RTU Open, at plugs J1, J2, J4, J5, J11 andJ20. All fie

50TC--D34Do not mount the IAQ sensor in drafty areas such as nearsupply ducts, open windows, fans, or over heat sources.Allow at least 0.9 m (3 ft) be

50TC--D35Communication Wiring -- ProtocolsGeneral —Protocols are the communication languages spoken bycontrol devices. The main purpose of a protocol

50TC--D36Local Access —BACview6Handheld: The BACview6is a keypad/displayinterface used to connect to the RTU Open to access thecontrol information, re

50TC--D37Table 9 – LEDsThe LEDs on the RTU Open Control Board (see Fig. 47) show the status of certain functions:If this LED is on... Status is...Powe

50TC--D38GRABLKRED– 4-20 Main+ VDC Out– 4-20 Main Out+ 24-36 VDC InLOWGND24V7PL6-1 (24-V)PL6-4 (COM)Outside AirEnthalpy SwitchReturn AirEntha

50TC--D39To install the return air sensor sampling tube:1. Remove the tube from its shipping location.2. Open the unit end to access the return air se

50TC--D4C11328Fig. 1 -- Unit Dimensional Drawing – 17 and 20 Size Units (cont.)

50TC--D40Table 10 – Unit Wire/Fuse or HACR Breaker Sizing DataUNITN O M . V --- P h --- H ZIFM TYPEELEC. HTR{P. E . NO P.E. w/ P.E. (pwrd fr/unit)CRHE

50TC--D41Table 10 -- Unit Wire/Fuse or HACR Breaker Sizing Data (cont)UNITN O M . V --- P h --- H ZIFM TYPEELEC. HTR{P. E . NO P.E. w/ P.E. (pwrd fr/u

50TC--D42Economizer 2 Position DamperUnit Without Economizer or2 Position DamperC10645Fig. 63 -- EconoMi$ert IV WiringStep 12 — Adjust Factory--Instal

50TC--D43START-UP CHECKLIST(Remove and Store in Job File)I. PRELIMINARY INFORMATIONMODEL NO.: SERIAL NO.:DATE: TECHNICIAN:II. PRE-START-UP (insert che

50TC--D44Copyright 2011 Carrier Co rp. D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 08/ 11Manufacturer reser ves the

50TC--D5C101025Fig. 2 -- Unit Dimensional Drawing – 24 and 28 Size Units

50TC--D6C11329Fig. 2 -- Unit Dimensional Drawing – 24 and 28 Size Units (cont.)

50TC--D7C11225Fig. 3 -- Unit Dimensional Drawing – 30 Size Units

50TC--D8C11235Fig. 3 -- Unit Dimensional Drawing – 30 Size Units (cont.)

50TC--D9INSTALLATIONJobsite SurveyComplete the following checks before installation.1. Consult local building codes or the U.S.A. NationalElectrical C