Carrier 50TCQD- Manuals

50TC Q D 10 A-B 0.25” (6) B-C 0.5” (12) A-C 0.5” (12) MAXIMUM ALLOWABLE DIFFERENCE IN. (MM) A B C C09132 Fig. 6 -- Unit Leveling Tolerances Control Box Access Panel Filter and Indoor Coil Access Panel Indoor Blower Access Panel Electric Heat Access Panel Compressor (each side) C09118 Fig. 7 -- Typic...

50TC Q D 11 "B" "C" "A" "914-1371" (36"-54") DETAIL A SEE DETAIL A PLACE ALL SEAL STRIP IN PLACE BEFORE PLACING UNIT ON ROOF CURB. DUCT END C09107 UNIT MAX WEIGHT DIMENSIONS A B C LB KG IN MM IN MM IN MM 50TCQD17 2070 940 127.8 3249 58.7 1491 52.3 1328 50TCQD2...

50TC Q D 12 Step 8 — Install Outside Air Hood Economizer and Two Position Hood Removal -- Factory Option 4. The hood is shipped in knock--down form and is located in the indoor air compartment. The hood is strapped to the blower assembly. (See Fig. 10) Hood Package C09150 Fig. 10 -- Hood Package -- ...

50TC Q D 13 Step 9 — Install External Condensate Trap and Line The unit has one 3 / 4 -in. condensate drain connection on the end of the condensate pan (see Fig. 14) See Fig. 1 (or Fig. 2), item “E”, in the view labeled “BACK (HORIZONTAL DISCHARGE)” for the location of the condensate drain connectio...

50TC Q D 14 ! WARNING FIRE HAZARD Failure to follow this warning could result in intermittent operation or performance satisfaction.Do not connect aluminum wire between disconnect switch and air conditioning unit. Use only copper wire. (See Fig. 16.) COPPER WIRE ONLY ELECTRIC DISCONNECT SWITCH ALUMI...

50TC Q D 15 Convenience Outlet Electric Disconnect Switch Control Box Access Panel C09119 Fig. 18 -- Convenience Outlet Location Installing Weatherproof Cover – A weatherproof while-in-use cover for the factory-installed convenience outlets is now required by UL standards. This cover cannot be facto...

50TC Q D 16 if the GFCI receptacle does not trip as required. Press the RESET button to clear the tripped condition. Fuse on power type: The factory fuse is a Bussman FNQ--7 dual element time delay fuse. Using unit--mounted convenience outlets: Units with unit--mounded convenience outlet circuits wi...

50TC Q D 17 and then route the wire behind the corner post utilizing the factory provided wire ties secured to the control box. This will insure separation of the field low voltage wire and the high voltage circuit. Route the low voltage wire to the central terminal board. See Fig. 22. NOTE : If uti...

50TC Q D 18 Table 2 – Heater Model Number Bare Heater Model Number C R H E A T E R 2 7 9 A 0 0 Heater Sales Package PNO Includes: Bare Heater Carton and packing materials Installation sheet C R H E A T E R 2 7 9 A 0 0 ORN BRN HR1: On Heater 1 in Position #1HR2: On Heater 2 in Position #2 (if install...

50TC Q D 19 PremierLink t (Factory--Option) — C08199 Fig. 27 -- PremierLink Controller The PremierLink controller (see Fig. 27) is compatible with Carrier Comfort Network r (CCN) devices. This control is designed to allow users the access and ability to change factory--defined settings, thus expandi...

50TC Q D 21 Outdoor Air Temperature (OAT) Sensor — The OAT is factory--mounted in the EconoMi$er2 (FIOP or accessory). It is a nominal 10k ohm thermistor attached to an eyelet mounting ring. EconoMi$er2 — The PremierLink control is used with EconoMi$er2 (option or accessory) for outdoor air manageme...

50TC Q D 25 the supply air is blown directly onto the sensor or if the supply air does not have a chance to mix with the room air before it is drawn into the return airstream. Wiring the Indoor Air Quality Sensor — For each sensor, use two 2--conductor 18 AWG (American Wire Gage) twisted--pair cable...

50TC Q D 26 input signal to PremierLink causes the filter status point to read “DIRTY”. Using Filter Timer Hours: Refer to Form 33CS--58SI for instructions on using the PremierLink Configuration screens and on unit alarm sequence. Supply Fan Status Switch — The PremierLink control can monitor supply...

50TC Q D 27 enters another building, the shields must be connected to the grounds at a lightning suppressor in each building (one point only). Connecting CCN bus: NOTE : When connecting the communication bus cable, a color code system for the entire network isrecommended to simplify installation and...

50TC Q D 30 Table 8 – RTU--MP Controller Inputs and Outputs POINT NAME BACnet OBJECT NAME TYPE OF I/O CONNECTION PIN NUMBERS INPUTS Space Temperature Sensor sptsens AI (10K Thermistor) J20 --- 1, 2 Supply Air Temperature sat AI (10K Thermistor) J2 --- 1, 2 Local Outside Air Temperature Sensor oatsen...

50TC Q D 32 in the space or in return duct, with and without LCD display, and in combination with space temperature sensors. Sensors use infrared technology to measure the levels of CO 2 present in the space air. The CO 2 sensors are all factory set for a range of 0 to 2000 ppm and a linear mA outpu...

50TC Q D 33 Remote Occupancy The remote occupancy accessory is a field--installed accessory. This accessory overrides the unoccupied mode and puts the unit in occupied mode. When installing this accessory, the unit must be configured for remote occupancy by setting MENU → Config → Inputs → input 3, ...

50TC Q D 34 Local Access BACview 6 Handheld The BACview 6 is a keypad/display interface used to connect to the RTU--MP to access the control information, read sensor values, and test the RTU, see Fig. 56. This is an accessory interface that does not come with the MP controller and can only be used a...

50TC Q D 36 The sensor uses a process called differential sensing to prevent gradual environmental changes from triggering false alarms. A rapid change in environmental conditions, such as smoke from a fire, causes the sensor to signal an alarm state but dust and debris accumulated over time does no...

50TC Q D 37 Table 9 – Unit Wire/Fuse or HACR Breaker Sizing Data UN IT N O M .V --- P h --- H z IF M TY P E ELEC. HTR PE NO C.O. or UNPWR C.O. CRHEATER ***A00 Nom (kW) FLA FLA NO P.E. w/ P.E. (pwrd fr/unit) MCA FUSE or HACR BRKR DISC. SIZE MCA FUSE or HACR BRKR DISC. SIZE FLA LRA FLA LRA 50TCQ *1 7 ...

50TC Q D 41 Legend and Notes for Table 9 LEGEND: BRKR --- Circuit breaker CO --- Convenient outlet DD --- Direct drive indoor fan motor DISC --- Disconnect FLA --- Full load amps IFM --- Indoor fan motor LRA --- Locked rotor amps MCA --- Minimum circuit amps PE --- Power exhaust PWRD CO --- Powered ...

50TC Q D 42 Economizer 2 Position Damper Unit Without Economizer or2 Position Damper C10183 Fig. 62 -- EconoMi$er t IV Wiring Step 11 — Adjust Factory--Installed Options Smoke Detectors — Smoke detector(s) will be connected at the Controls Connections Board, at terminals marked “Smoke Shutdown”. Rem...

50TC Q D 43 APPENDIX — TYPICAL WIRING DIAGRAMS C10187 Fig. 63 -- 50TCQ Typical Unit Wiring Diagram -- HP Control 460V, 575V 3 Phase