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50TC
SinglePackageRooftop,50Hz
CoolingOnly
Sizes07,08,09,and12
withPuronr(R---410A)Refrigerant
InstallationInstructions
NOTE: This manual discusses only the mechanical
SAFETY CONSIDERATIONS
installation of this unit. Star--up procedures, operating
sequences and service instructions are included in a Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical
separate Service/Maintenance manual which is not
shock or other conditions which may
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! ! WARNING WARNING PERSONAL INJURY AND ENVIRONMENTAL ELECTRICAL SHOCK HAZARD HAZARD Failure to follow this warning could cause personal Failure to follow this warning could cause personal injury or death. injury or death. Before performing service or maintenance operations Relieve pressure and recover all refrigerant before on unit, always turn off main power switch to unit and system repair or final unit disposal. install lockout tag. Unit may have more than one Wear safety glasses and gloves
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Vertical Connections / Economizer Horizontal Connections / Economizer C09447 Fig. 1 -- Unit Dimensional Drawing – 07 Size Units 3 50TC
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C09448 Fig. 1 -- Unit Dimensional Drawing – 07 Size Unit (cont.) 4 50TC
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Vertical Connections / Economizer Horizontal Connections / Economizer C09450 Fig. 2 -- Unit Dimensional Drawing – 08, 09 and 12 Size Units 5 50TC
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C09451 Fig. 2 -- Unit Dimensional Drawing – 08, 09 and 12 Size Units (cont.) INSTALLATION Jobsite Survey 1 457 [18"] Complete the following checks before installation. 1067 [42"] 1. Consult local building codes or the U.S.A. National Electrical Code (Ref: ANSI/NFPA 70, [American National Standards Institute/National Fire Protection Association], latest revision) for special installation 457 [18"] requirements. 1067 [42"] 2. Determine unit location (from project plans) or select unit location. 1
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Table 1 – Operating Weights 50TC--- UNITSKG(LB) Component A07 D08 D09 D12 Base Unit 275 (607) 340.5 (750) 388.2 (855) 392.7 (865) Economizer Vertical 36 (80) 36 (80) 36 (80) 36 (80) Horizontal 48 (105) 48 (105) 48 (105) 48 (105) Curb 356 mm/14---in 60 (133) 60 (133) 65 (143) 60 (133) 610 mm/24---in 79 (174) 79 (174) 69 (153) 79 (174) Step 2 — Plan for Sequence of Unit Installation Step 4 — Provide Unit Support The support method used for this unit will dictate different Roof Curb Mount — sequenc
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D ALT CONNECTOR ACCESSORY ROOFCURB BC DRAIN POWER CONTROL A UNIT SIZE PKG. ACCY. POWER ACCESSORY HOLE 1’-2” 3 / ” [19] NPT CRBTMPWR003A01 4 CRRFCURB001A01 11 3 [356] 1’-9 / ” 1’-4” 1 / ” 1 1 16 4 / ” [12.7] / ” [12.7] 2 2 50TC-A07 [551] [406] [44.5] NPT NPT 2’-0” 1 1 / ” [31.7] CRRFCURB002A01 CRBTMPWR004A01 4 [610] NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. 3. Dimensions in [ ] are in millimeters. 4. Roof curb: galvanized steel. 5. Attach ductwork to curb
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ROOFCURB UNIT SIZE ACCESSORY 1’ - 2” CRRFCURB003A01 [356] 5 50TC-*08 0TC-*08 – – 12 12 2’ - 0” CRRFCURB004A01 [610] C09453 Fig. 5 -- Roof Curb Details –08—12Size Units 9 50TC
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FAN SIDE For vertical ducted applications, secure all ducts to roof curb and building structure. Do not connect ductwork to unit. Insulate and weatherproof all external ductwork, joints, and roof openings with counter flashing and mastic in accordance with applicable codes. Ducts passing through unconditioned spaces must be insulated and covered with a vapor barrier. MAXIMUM ALLOWABLE If a plenum return is used on a vertical unit, the return DIFFERENCE IN. (MM) should be ducted through the roof
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Step 6 — Rig and Place Unit Keep unit upright and do not drop. Spreader bars are not required if top crating is left on unit. Rollers may be used to move unit across a roof. Level by using unit frame as a reference. See Table 1 and Fig. 7 for additional information. Lifting holes are provided in base rails as shown in Fig. 7. Refer to rigging instructions on unit. ! CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage. All panels must be in place when rigging.
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Economizer Hood and Two--Position Hood— 1. The indoor coil access panel will be used as the top of Remove Hood Parts the hood. Remove the screws along the sides and bot- tom of the indoor coil access panel. See Fig. 12. Cut Plastic Ties (2) Places Economizer TOP PANEL C08633 TOP PANEL Fig. 10 -- Economizer Parts, Shipping Location CAULK HERE INDOOR INDOOR Two Position Damper Hood Removal and Setup -- COIL COIL ACCESS ACCESS Factory Option PANEL PANEL 1. The hood is shipped in knock--down form an
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5. Open the filter clips which are located underneath the The piping for the condensate drain and external trap can hood top. Insert the aluminum filter into the bottom be completed after the unit is in place. See Fig. 16. filter rack (hood divider). Push the filter into position past the open filter clips. Close the filter clips to lock the filter into place. See Fig. 14. MINIMUM PITCH 25 mm (1 in.) PER BASE RAIL 3m (10 ft.) OF LINE 51 mm (2 in.) OPEN MIN VENT TO ROOF SEE NOTE DIVIDER DRAIN
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The unit is factory wired for the voltage shown on ;the Units Without Disconnect Option nameplate. Refer to the unit label diagram for additional C IFC information. 11 13 13 ! WARNING Disconnect FIRE HAZARD Failure to follow this warning could result in L1 L2 L3 intermittent operation or performance satisfaction. Do not connect aluminum wire between disconnect Units With Disconnect Option switch and air conditioning unit.. Use only copper Factory wire. (See Fig. 17.) Wiring 1 35 Optional Disconn
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Check tightness of connector lock nuts before connecting installation instructions for additional features which electrical conduits. might require additional conductors in the cable. Field--supplied and field--installed liquidtight conduit For wire runs up to 15 m (50 ft.), use no. 18 AWG connectors and conduit may be attached to the connectors (American Wire Gage) insulated wire (35_C minimum). on the basepan. Pull correctly rated high voltage and low For15to23m (50to75ft.), use no. 16 AWG ins
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Table 3 – Heater Model Number Bare Heater Model Number C R H E A T E R 0 1 6 A 0 0 Heater Sales Package PNO Includes: Bare Heater C R H E A T E R 1 1 6 A 0 0 Carton and packing materials Installation sheet DISCONNECT MOUNTING Electric Heaters LOCATION 50TC units may be equipped with field--installed accessory electric heaters. Each heater is a pre--assembled module, with heater frames holding open coil resistance wires strung through ceramic insulators, line--break limit switches and two control
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11 13 21 23 ALLIED PA CORP. MODEL NO. OD ERI AL NO. 22.2 ISTED AIR 1 NDITIONING UIP ACCESS 23 346N. 3 P / N 2- 5610-4 REV CONTROL BOX BUSHING SINGLE POINT BOX MOUNTING SCREWS DRIP BOOT BRACKET MOUNTING TRACK SCREWS POWER WIRES FOAM BUSHING FLANGE HEATER RELAYS HEATER MOUNTING SCREWS C08136 C08135 Fig. 25 -- Typical Single Point Installation Fig. 24 -- Typical Module Installation Low--Voltage Control Connections — Pull the Single Point Boxes and Supplementary Fuses — When low--voltage contro
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PremierLinkt (Factory--Option) — C08199 Fig. 27 -- PremierLink Controller The PremierLink controller (see Fig. 27) is compatible The SAT is factory--wired. The SAT probe is wire--tied to with Carrier Comfort Networkr (CCN) devices. This the supply--air opening (on the horizontal opening end) in control is designed to allow users the access and ability to its shipping position. Remove the sensor for installation. change factory--defined settings, thus expanding the Re--position the sensor in the
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C09460 Fig. 29 -- PremierLink Wiring Schematic 19 50TC
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Outdoor Air Temperature (OAT) Sensor — The OAT is block (TB1) located on the control box bottom shelf in factory--mounted in the EconoMi$er2 (FIOP or front of the PremierLink control (See Fig. 29). Some input accessory). It is a nominal 10k ohm thermistor attached to devices also require a 24--vac signal source; connect at an eyelet mounting ring. CTB terminal R at “THERMOSTAT” connection strip for this signal source. See connections figures on following EconoMi$er2 — The PremierLink control is
