background image

50TC*D

Single Package Rooftop, 50Hz

Cooling Only

with NOVATION™ Coil

Sizes 17, 20, 24, 28 with Puron

r

(R---410A) Refrigerant

Installation Instructions

NOTE

: Read the entire instruction manual before starting

the installation

TABLE OF CONTENTS

SAFETY CONSIDERATIONS

1

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INSTALLATION

6

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Step 1 -- Plan for Unit Location

6

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Step 2 -- Plan for Sequence of Unit Installation

7

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Step 3 -- Inspect Unit

7

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Step 4 -- Provide Unit Support

7

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Step 5 -- Field Fabricate Ductwork

10

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Step 6 -- Rig and Place Unit

10

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Step 7 -- Duct Connection, Horizontal Installation

11

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Step 8 -- Install Outside Air Hood

11

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Step 9 -- Install External Condensate Trap and Line

12

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Step 10 -- Make Electrical Connections

13

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Step 11 -- Adjust Factory--Installed Options

36

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Step 12 -- Install Accessories

36

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SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,

maintenance, or use can cause explosion, fire, electrical

shock or other conditions which may cause personal

injury or property damage. Consult a qualified installer,

service agency, or your distributor or branch for

information or assistance. The qualified installer or

agency must use factory--authorized kits or accessories

when modifying this product. Refer to the individual

instructions packaged with the kits or accessories when

installing.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloths for brazing operations and

have a fire extinguisher available. Read these instructions

thoroughly and follow all warnings or cautions attached to

the unit. Consult local building codes for special

requirements. In absence of local codes, it is

recommended that the USA standard ANSI/NFPA 70,

National Electrical Code (NEC), be followed.

It is important to recognize safety information. This is the
safety--alert symbol

. When you see this symbol on the

unit and in instructions or manuals, be alert to the

potential for personal injury.

Understand the signal words DANGER, WARNING,

CAUTION, and NOTE. These words are used with the

safety--alert symbol. DANGER identifies the most serious

hazards which

will

result in severe personal injury or

death. WARNING signifies hazards which

could

result in

personal injury or death. CAUTION is used to identify

unsafe practices, which

may

result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which

will

result in enhanced

installation, reliability, or operation.

Summary of Contents for 50TC*D17 Series

Page 1: ...use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety g...

Page 2: ...Do not use R 22 service equipment or components on Puron refrigerant equipment WARNING PERSONAL INJURY AND ENVIRONMENTAL HAZARD Failure to follow this warning could cause personal injury or death Reli...

Page 3: ...50TC D 3 C09105 Fig 1 Unit Dimensional Drawing 17 and 20 Size Units...

Page 4: ...50TC D 4 C09384 Fig 1 Unit Dimensional Drawing 17 and 20 Size Unit cont...

Page 5: ...50TC D 5 C09095 Fig 2 Unit Dimensional Drawing 24 and 28 Size Unit...

Page 6: ...ces unit performance and service access below around and above unit as specified in unit drawings See Fig 3 NOTE Consider also the effect of adjacent units Unit may be installed directly on wood floor...

Page 7: ...p 4 Provide Unit Support Roof Curb Mount Accessory roof curb details and dimensions are shown in Fig 4 size 17 and 20 units and Fig 5 size 24 and 28 units Assemble and install accessory roof curb in a...

Page 8: ...50TC D 8 C09139 Fig 4 Roof Curb Details 17 and 20 Size Units...

Page 9: ...50TC D 9 C09140 Fig 5 Roof Curb Details 24 and 28 Size Units...

Page 10: ...elbow cannot be installed then a grille of sufficient strength and density should be installed to prevent objects from falling into the conditioned space Due to electric heater supply duct will requir...

Page 11: ...openings see Fig 9 and all ductwork should be secured to the flanges Insulate and weatherproof all external ductwork joints and roof or building openings with counter flashing and mastic in accordance...

Page 12: ...air screens by sliding them into the channel formed by the four angles installed in step 2 Make sure that the screens extend a across the entire length of the hood 9 Install side filter supports usin...

Page 13: ...ollow 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 C...

Page 14: ...cate the thermostat accessory on a solid wall in the conditioned space to sense average temperature in accordance with the thermostat installation instructions If the thermostat contains a logic circu...

Page 15: ...a specific size unit and duct arrangement vertical or horizontal Refer to the label on the unit cabinet for the list of approved heaters Unit heaters are marked with Heater Model Numbers But heaters...

Page 16: ...he plug with the mating low voltage plug located on the heater ORN BRN HR1 Heater contactor first stage HR2 Heater contactor second stage 2 3 12 1 3 VIO ORN VIO BRN 2 Plug Assembly Elec Htr CTB CONTL...

Page 17: ...s internal timeclock This is necessary for broadcast of time of day functions occupied unoccupied NOTE PremierLink controller is shipped in Sensor mode To be used with a thermostat the PremierLink con...

Page 18: ...50TC D 18 C09376 Fig 26 PremierLink Wiring Schematic...

Page 19: ...with field installation of these accessory control devices Enthalpy control outdoor air or differential sensors Space CO2 sensor Outdoor air CO2 sensor Refer to Table 4 for accessory part numbers Fie...

Page 20: ...nication bus OAQ Outdoor Air Quality CO2 CMPSAFE Compressor Safety RH Relative Humidity FILTER Dirty Filter Switch SFS Supply Fan Status Table 6 Thermostat Mode TB1 TERMINAL FIELD CONNECTION INPUT SIG...

Page 21: ...n the return duct Connect this sensor to TB1 1 and TB1 3 per Fig 28 Configure the unit for Thermostat Mode Connect to the CCN bus using a CCN service tool and navigate to PremierLink Configuration scr...

Page 22: ...for electrical requirements and terminal locations See Fig 34 for typical CO2 sensor wiring schematic To accurately monitor the quality of the air in the conditioned air space locate the sensor near a...

Page 23: ...B s THERMOSTAT R terminal Connect the other side of the NO contact set to TB1 10 Setpoint for Dirty Filter is set at the switch See Fig 38 R TB1 J4 4 PL Filter Switch NO close on rising pressure high...

Page 24: ...d for the entire network See Table 7 for recommended cable Table 7 Recommended Cables MANUFACTURER CABLE PART NO Alpha 2413 or 5463 American A22503 Belden 8772 Columbia 02525 NOTE Conductors and drain...

Page 25: ...de at on board DIP switches The RTU MP control is factory mounted in the 50TC D unit s main control box to the right of the CTB See Fig 44 Factory wiring is completed through harnesses connected to th...

Page 26: ...50TC D 26 C09377 Fig 45 RTU MP System Control Wiring Diagram...

Page 27: ...e of the default input on the specific channel according to schematic Parallel pins J5 1 J2 6 J5 3 J1 10 J5 5 J1 2 are used for field installation The RTU MP controller requires the use of a Carrier s...

Page 28: ...space sensor requires a separate isolated power supply of 24 VAC See Fig 48 for internal connections at the T 59 Connect the SEN terminal BLU to RTU MP J20 1 Connect the COM terminal BRN to J20 2 Conn...

Page 29: ...mA terminal to RTU MP J4 2 and connect the SIG COM terminal to RTU MP J4 3 See Fig 49 SEN COM J4 2 J4 3 IAQ Sensor 24 VAC C08462 Fig 49 RTU MP Indoor CO2 Sensor 33ZCSENCO2 Connections Outdoor Air Qua...

Page 30: ...vide different kinds of information for different applications In the BAS application many different protocols are used depending on manufacturer Protocols do not change the function of a controller j...

Page 31: ...inute auto logout if a screen is idle See Form 48 50H T 2T Appendix A for navigation and screen content Virtual BACview Virtual BACview is a freeware computer program that functions as the BACview6 Ha...

Page 32: ...45 6 60 48 253 CRHEATER274A00 CRHEATER283A00 50 1 34 7 72 1 80 66 253 CRHEATER275A00 CRHEATER284A00 75 2 52 1 84 7 100 95 253 STD 3 1 47 6 60 50 252 CRHEATER273A00 CRHEATER282A00 25 1 17 4 47 6 60 50...

Page 33: ...4 45 6 60 48 253 CRHEATER274A00 CRHEATER283A00 50 1 34 7 72 1 80 66 253 CRHEATER275A00 CRHEATER284A00 75 2 52 1 84 7 100 95 253 STD 3 1 48 6 60 51 261 CRHEATER273A00 CRHEATER282A00 25 1 17 4 48 6 60...

Page 34: ...4 52 6 60 55 281 CRHEATER274A00 CRHEATER283A00 50 1 34 7 76 9 80 71 281 CRHEATER275A00 CRHEATER284A00 75 2 52 1 89 5 100 100 281 STD 3 1 55 0 60 58 274 CRHEATER273A00 CRHEATER282A00 25 1 17 4 55 0 60...

Page 35: ...4 56 5 70 60 304 CRHEATER274A00 CRHEATER283A00 50 1 34 7 76 9 80 71 304 CRHEATER275A00 CRHEATER284A00 75 2 52 1 89 5 100 100 304 STD 3 1 58 9 70 62 297 CRHEATER273A00 CRHEATER282A00 25 1 17 4 58 9 70...

Page 36: ...zed outside air damper EconoMi er IV with control and integrated barometric relief EconoMi er2 without control for external signal and integrated barometric relief Power Exhaust Differential dry bulb...

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