Carrier WeatherMaker 50TCQA07 Installation Instructions Manual Download

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50TCQA

Single Package Rooftop

Heat Pump

with Puron

(R---410A) Refrigerant

Sizes 04 --- 07

Installation Instructions

NOTE

: Read the entire instruction manual before starting

the installation

TABLE OF CONTENTS

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . .

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 1 -- Plan for Unit Location

. . . . . . . . . . . . . . . . . .

Step 2 -- Plan for Sequence of Unit Installation

. . . . . .

Step 3 -- Inspect Unit

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 4 -- Provide Unit Support

. . . . . . . . . . . . . . . . . . .

Step 5 -- Field Fabricate Ductwork

. . . . . . . . . . . . . . . .

Step 6 -- Rig and Place Unit

. . . . . . . . . . . . . . . . . . . . .

Step 7 -- Convert to Horizontal & Connect Ductwork

Step 8 -- Install Outside Air Hood

. . . . . . . . . . . . . . . .

Step 9 -- Install External Condensate Trap and Line

Step 10 -- Make Electrical Connections

. . . . . . . . . . .

Step 11 -- Adjust Factory--Installed Options

. . . . . . . .

Step 12 -- Install Accessories

. . . . . . . . . . . . . . . . . . .

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 and appropriate

national electrical codes (in USA, ANSI/NFPA70,

National Electrical Code (NEC); in Canada, CSA C22.1)

for special requirements.

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 WeatherMaker 50TCQA07

Page 1: ...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 b...

Page 2: ...o 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 Relieve pressure and recover all refrigerant before system repair or final unit disposal Wear safety glasses and gloves when handling refrigerants Keep torches and other ignition sources away from refriger...

Page 3: ...3 Horizontal Connections Economizer Vertical Connections Economizer C09001 Fig 1 Unit Dimensional Drawing 04 07 Size Units 50TCQA ...

Page 4: ...awings See Fig 2 NOTE Consider also the effect of adjacent units Unit may be installed directly on wood flooring or on Class A B or C roof covering material when roof curb is used Do not install unit in an indoor location Do not locate air inlets near exhaust vents or other sources of contaminated air 18 457 42 1067 18 457 42 1067 1 Required bottom condensate drain connection Otherwise 36 914mm fo...

Page 5: ...Curb Mount Accessory roof curb details and dimensions are shown in Fig 3 Assemble and install accessory roof curb in accordance with instructions shipped with the curb NOTE The gasketing of the unit to the roof curb is critical for a watertight seal Install gasket supplied with the roof curb as shown in Fig 3 Improperly applied gasket can also result in air leaks and poor unit performance Curb sho...

Page 6: ...6 50TCQA04 07 ROOFCURB ACCESSORY CRRFCURB001A02 CRRFCURB002A02 1 2 356 2 0 610 UNIT SIZE C08548 Fig 3 Roof Curb Details 50TCQA ...

Page 7: ... minimum clearance Minimum clearance is not required around ductwork 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 5 for additional information Lifting holes are provided in base rails as shown in Fig 5 Refer to rigg...

Page 8: ... side duct opening covers and remove covers Using the same screws install covers on vertical duct openings with the insulation side down Seals around duct openings must be tight See Fig 6 C06108 Fig 6 Horizontal Conversion Panels Field supplied flanges should be attached to horizontal duct openings and all ductwork should be secured to the flanges Insulate and weatherproof all external ductwork jo...

Page 9: ...ood remove the filter access panel See Fig 7 3 Locate the 2 screws holding the metal tray to the basepan and remove Locate and cut the 2 plastic tie wraps securing the assembly to the damper See Fig 9 Be careful to not damage any wiring or cut tie wraps securing any wiring 4 Carefully lift the hood assembly with metal tray through the filter access opening and assemble per the steps outlined in Ec...

Page 10: ... top Insert the aluminum filter into the bottom 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 12 DIVIDER BAROMETRIC RELIEF CLEANABLE ALUMINUM FILTER FILTER HOOD FILTER CLIP OUTSIDE AIR C08634 Fig 12 Economizer Filter Installation 6 Caulk the ends of the joint between the unit top panel and the hood top...

Page 11: ...ired connect the source leads to the load side of the unit disconnect On a unit without a unit mounted disconnect connect the source leads to compressor contactor C and indoor fan contactor IFC pressure lugs with unit field power leads All units except 208 230 v units are factory wired for the voltage shown on the nameplate If the 208 230 v unit is to be connected to a 208 v power supply the contr...

Page 12: ...ury or death Units with convenience outlet circuits may use multiple disconnects Check convenience outlet for power status before opening unit for service Locate its disconnect switch if appropriate and open it Tag out this switch if necessary WARNING Two types of convenience outlets are offered on 50TCQA models Non powered and unit powered Both types provide a 125 volt GFCI ground fault circuit i...

Page 13: ...nsformer is intended to provide power on an intermittent basis for service tools lamps etc it is not intended to provide 15 amps loading for continuous duty loads such as electric heaters for overnight use Observe a 50 limit on circuit loading above 8 amps i e limit loads exceeding 8 amps to 30 minutes of operation every hour Test the GFCI receptacle by pressing the TEST button on the face of the ...

Page 14: ...ory The 50TCQ models do not require a thermostat with an O function to control the reversing valve operation If using an electronic thermostat configure it for non heat pump operation Locate 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 circuit requiring 2...

Page 15: ...listed for use in a specific size unit Refer to the label on the unit cabinet for the list of approved heaters Unit heaters are marked with Heater Model Numbers But heaters are ordered as and shipped in cartons marked with a corresponding heater Sales Package part number See Table 2 for correlation between heater Model Number and Sales Package part number NOTE The value in position 9 of the part n...

Page 16: ...3 CONTROL BOX BUSHING SINGLE POINT BOX MOUNTING SCREWS FOAM BUSHING DRIP BOOT BRACKET MOUNTING SCREWS HEATER RELAYS POWER WIRES HEATER MOUNTING SCREWS C08136 Fig 26 Typical Single Point Installation All fuses on 50TCQ units are 60 A Note that all heaters are qualified for use with a 60 A fuse regardless of actual heater ampacity so only 60 A fuses are necessary Single Point Boxes without Fuses Ref...

Page 17: ... functions occupied unoccupied NOTE PremierLink controller is shipped in Sensor mode To be used with a thermostat the PremierLink controller must be configured to Thermostat mode Refer to PremierLink Configuration instructions for Operating Mode Supply Air Temperature SAT Sensor On FIOP equipped 50TCQ unit the unit is supplied with a supply air temperature SAT sensor 33ZCSENSAT This sensor is a tu...

Page 18: ...18 C09014 Fig 30 PremierLink Wiring Schematic 50TCQA ...

Page 19: ...e sensor must be used T 55 space temperature sensor provides a signal of space temperature to the PremierLink control T 56 provides same space temperature signal plus it allows for adjustment of space temperature setpoints from the face of the sensor by the occupants 2 3 4 5 6 1 SW1 SEN BRN GND BLU SPT RED WHT GND BLK CCN COM SENSOR WIRING C08201 Fig 31 T 55 Space Temperature Sensor Wiring Connect...

Page 20: ...uired 33ZCT55SPT or equivalent Single Enthalpy with PremierLink PremierLink requires 4 20mA Actuator Included Not Used Requires HH57AC077 or equivalent Differential Enthalpy with PremierLink PremierLink requires 4 20mA Actuator Included Not Used Requires HH57AC077 or equivalent Requires HH57AC078 or equivalent NOTES CO2 Sensors Optional 33ZCSENCO2 Room sensor adjustable Aspirator box is required f...

Page 21: ...on bus OAQ Outdoor Air Quality CO2 CMPSAFE Compressor Safety RH Relative Humidity FILTER Dirty Filter Switch SFS Supply Fan Status Table 5 Thermostat Mode TB1 TERMINAL FIELD CONNECTION INPUT SIGNAL 1 RAT SEN Analog 10k thermistor 2 G Discrete 24VAC 3 RAT SEN Analog 10k thermistor 4 Y1 Discrete 24VAC 5 6 Y2 Discrete 24VAC 7 LOOP PWR Analog 24VDC 8 W1 Discrete 24VAC 9 IAQ SEN Analog 4 20mA 10 W2 Dis...

Page 22: ...ess ECONO MOTOR C09026 Fig 36 Enthalpy Switch 33CSENTHSW Connections The outdoor enthalpy changeover setpoint is set at the enthalpy controller Differential Enthalpy Control Differential enthalpy control is provided by sensing and comparing the outside air and return air enthalpy conditions Install the outdoor air enthalpy control as described above Add and install a return air enthalpy sensor Ret...

Page 23: ...terminal TB1 11 See Fig 39 SEN J5 5 J5 3 COM 9 11 TB1 TB1 IAQ Sensor PL 24 VAC C08636 Fig 39 Indoor CO2 Sensor 33ZCSENCO2 Connections Refer to Form 33CS 58SI PremierLink Installation Start up and Configuration Instructions for detailed configuration information Outdoor Air Quality Sensor PNO 33ZCSENCO2 plus weatherproof enclosure The outdoor air CO2 sensor is designed to monitor carbon dioxide CO2...

Page 24: ...icating proper supply fan operation Install the differential pressure switch in the supply fan section according to switch manufacturer s instructions Arrange the switch contact to be open on no flow and to close as pressure rises indicating fan operation Connect one side of the switch s NO contact set to CTB s THERMOSTAT R terminal Connect the other side of the NO contact set to TB1 8 Setpoint fo...

Page 25: ...um operating temperature range of 20_C to 60_C is required Do not run communication wire in the same conduit as or next to any AC voltage wiring The communication bus shields must be tied together at each system element If the communication bus is entirely within one building the resulting continuous shield must be connected to ground at only one single point If the communication bus cable exits f...

Page 26: ...t on board DIP switches The RTU MP control is factory mounted in the 50TCQ unit s main control box to the left of the CTB See Fig 48 Factory wiring is completed through harnesses connected to the CTB Field connections for RTU MP sensors will be made at the Phoenix connectors on the RTU MP board The factory installed RTU MP control includes the supply air temperature SAT sensor The outdoor air temp...

Page 27: ...27 C09015 Fig 49 RTU MP System Control Wiring Diagram 50TCQA ...

Page 28: ...ng 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 space sensor A standard thermostat cannot be used with the RTU MP system Supply Air Temperature SAT Sensor On FIOP equipped 50TCQ unit the unit is supplied with a supply air temperature SAT sensor 33ZCSENSAT This sensor is a tubular probe type approx 6 in...

Page 29: ...COM terminal BRN to J20 2 Connect the SET terminal STO or BLK to J20 3 OR SET SEN OPB COM PWR BLU SPT BLK STO 24 VAC SENSOR WIRING POWER WIRING BRN COM NOTE Must use a separate isolated transformer C07132 Fig 52 Space Temperature Sensor Typical Wiring 33ZCT59SPT Economizer controls Outdoor Air Enthalpy Control PNO HH57AC077 The enthalpy control HH57AC077 is available as a field installed accessory...

Page 30: ...ality Sensor PNO 33ZCSENCO2 plus weatherproof enclosure The outdoor air CO2 sensor is designed to monitor carbon dioxide CO2 levels in the outside ventilation air and interface with the ventilation damper in an HVAC system The OAQ sensor is packaged with an outdoor cover See Fig 40 The outdoor air CO2 sensor must be located in the economizer outside air hood Wiring the Outdoor Air CO2 Sensor A ded...

Page 31: ...fferent 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 just make the front end user different The RTU MP can be set to communicate on four different protocols BACnet Modbus N2 and LonWorks Switch 3 SW3 on the board is used to set protocol and baud rate Switches 1...

Page 32: ...re is a 10 minute 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 Handheld The USB Link interface USB L is required to connect a computer to the RTU MP board The link cable connects a USB port to the J12 local access port This program functions and operate...

Page 33: ... Return Air without or with economizer or in combination of Supply Air and Return Air Return Air smoke detectors are arranged for vertical return configurations only All components necessary for operation are factory provided and mounted The unit is factory configured for immediate smoke detector shutdown operation additional wiring or modifications to unit terminal board may be necessary to compl...

Page 34: ...al 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 not For installations using two sensors the duct smoke detector does not differentiate which sensor signals an alarm or trouble condition Duct smoke sensor See Detail A Exhaust tube Plug Sampling tube ...

Page 35: ...ween return filter and controller location This sensor is shipped in a flat mounting location Installation requires that this sensor be relocated to its operating location and the tubing to the sampling tube be connected See the following installation procedure Return Air Sampling Tube C08129 Fig 62 Return Air Sampling Tube Location Completing Installation of Return Air Smoke Sensor 1 Unscrew the ...

Page 36: ... 42 1 45 50 38 40 123 125 41 5 44 0 50 50 40 42 125 127 6 5 8 7 18 1 20 9 45 2 48 7 50 50 43 46 127 130 47 1 50 6 50 60 45 48 129 132 7 9 10 5 21 9 25 3 50 0 54 2 50 60 47 51 131 134 51 9 56 1 60 60 50 53 133 136 12 0 16 0 33 4 38 5 64 4 70 7 70 80 61 66 142 148 66 3 72 6 70 80 63 69 144 150 HIGH 22 6 30 22 120 24 5 30 24 122 3 3 4 4 9 2 10 6 34 1 35 9 45 45 33 34 129 131 36 0 37 8 45 45 35 37 131...

Page 37: ... 4 46 9 50 50 43 46 128 130 46 3 48 8 50 50 46 48 130 132 6 5 8 7 18 1 20 9 50 0 53 5 60 60 49 52 132 135 51 9 55 4 60 60 51 54 134 137 7 9 10 5 21 9 25 3 54 8 59 0 60 60 53 57 136 139 56 7 60 9 60 70 55 59 138 141 12 0 16 0 33 4 38 5 69 2 75 5 70 80 66 72 147 153 71 1 77 4 80 80 68 74 149 155 HIGH 27 4 40 28 125 29 3 40 30 127 3 3 4 4 9 2 10 6 38 9 40 7 45 50 38 40 134 136 40 8 42 6 50 50 40 42 1...

Page 38: ...2 42 7 45 2 50 50 41 44 122 124 6 5 8 7 18 1 20 9 46 5 50 0 50 50 44 47 124 127 48 4 51 9 50 60 46 50 126 129 12 0 16 0 33 4 38 5 65 6 72 0 70 80 62 68 139 145 67 5 73 9 70 80 64 70 141 147 15 8 21 0 43 8 50 5 78 6 87 0 80 90 74 82 194 207 80 5 88 9 90 90 76 84 196 209 HIGH 23 8 30 23 117 25 7 30 26 119 4 9 6 5 13 6 15 6 40 8 43 3 50 50 39 41 131 133 42 7 45 2 50 50 41 44 133 135 6 5 8 7 18 1 20 9...

Page 39: ...50 60 47 49 127 129 6 5 8 7 18 1 20 9 51 3 54 8 60 60 50 53 129 132 53 2 56 7 60 60 52 55 131 134 12 0 16 0 33 4 38 5 70 4 76 8 80 80 67 73 144 150 72 3 78 7 80 80 70 75 146 152 15 8 21 0 43 8 50 5 83 4 91 8 90 100 79 87 199 212 85 3 93 7 90 100 82 89 201 214 HIGH 28 6 40 29 122 30 5 40 31 124 4 9 6 5 13 6 15 6 45 6 48 1 50 60 45 47 136 138 47 5 50 0 50 60 47 49 138 140 6 5 8 7 18 1 20 9 51 3 54 8...

Page 40: ...1 12 0 16 0 33 4 38 5 68 0 74 3 70 80 64 70 177 183 69 9 76 2 70 80 66 72 179 185 15 8 21 0 43 8 50 5 81 0 89 3 90 90 76 84 232 245 82 9 91 2 90 100 78 86 234 247 19 9 26 5 55 2 63 8 95 2 106 0 100 110 89 99 254 272 97 1 107 9 100 110 91 101 256 274 HIGH 28 5 40 28 170 30 4 45 30 172 4 9 6 5 13 6 15 6 45 5 48 0 50 50 44 46 184 186 47 4 49 9 50 60 46 48 186 188 7 9 10 5 21 9 25 3 55 9 60 1 60 70 53...

Page 41: ... 16 0 33 4 38 5 72 8 79 1 80 80 70 75 182 188 74 7 81 0 80 90 72 78 184 190 15 8 21 0 43 8 50 5 85 8 94 1 90 100 82 89 237 250 87 7 96 0 90 100 84 91 239 252 19 9 26 5 55 2 63 8 100 0 110 8 100 125 95 105 259 277 101 9 112 7 110 125 97 107 261 279 HIGH 33 3 45 34 175 35 2 50 36 177 4 9 6 5 13 6 15 6 50 3 52 8 60 60 49 52 189 191 52 2 54 7 60 60 52 54 191 193 7 9 10 5 21 9 25 3 60 7 64 9 70 70 59 6...

Page 42: ...95 313 HIGH 32 8 50 32 183 34 7 50 34 185 4 9 6 5 13 6 15 6 49 8 52 3 60 60 48 50 197 199 51 7 54 2 60 60 50 52 199 201 7 9 10 5 21 9 25 3 60 1 64 4 70 70 57 61 205 208 62 0 66 3 70 70 60 63 207 210 12 0 16 0 33 4 38 5 74 5 80 9 80 90 71 76 216 222 76 4 82 8 80 80 73 79 218 224 15 8 21 0 43 8 50 5 87 5 95 9 90 100 83 90 271 284 89 4 97 8 90 100 85 92 273 286 19 9 26 5 55 2 63 8 101 8 112 5 110 125...

Page 43: ...18 HIGH 37 6 50 38 188 39 5 50 40 190 4 9 6 5 13 6 15 6 54 6 57 1 60 60 53 56 202 204 56 5 59 0 60 60 56 58 204 206 7 9 10 5 21 9 25 3 64 9 69 2 70 80 63 67 210 213 66 8 71 1 80 80 65 69 212 215 12 0 16 0 33 4 38 5 79 3 85 7 80 90 76 82 221 227 81 2 87 6 90 90 78 84 223 229 15 8 21 0 43 8 50 5 92 3 100 7 100 110 88 96 276 289 94 2 102 6 100 110 90 98 278 291 19 9 26 5 55 2 63 8 106 6 117 3 110 125...

Page 44: ...ation from average voltage AB 227 224 3 v BC 231 227 4 v AC 227 226 1 v Maximum deviation is 4 v Determine percent of voltage imbalance Voltage Imbalance 100 x 4 227 1 76 This amount of phase imbalance is satisfactory as it is below the maximum allowable 2 IMPORTANT If the supply voltage phase imbalance is more than 2 contact your local electric utility company immediately Economizer 2 Position Da...

Page 45: ...ial enthalpy sensor Time Guard II compressor anti cycle control Outdoor coil hail guard Outdoor coil protector grille Head pressure control Programmable setback thermostat Electrical Mechanical thermostat and subbase Thermidistatt device Humidistat Electric Heaters Single Point kits Thermostat Sensors CO2 sensor DDC interface PremierLink Louvered hail guard Phase monitor control Refer to separate ...

Page 46: ...46 50TCQA ...

Page 47: ...47 50TCQA ...

Page 48: ...0 W Morris St D Indianapolis IN 46231 Printed in U S A Edition Date 02 10 09 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50TCQ 01SI Replaces NEW 50TCQA ...

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