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Carrier WeatherMaker 50TC07 Series, Installation Instructions Manual

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500214-01

Printed in U.S.A.

Form 50TC-7-16-01SI

Pg 1 

8-19

Replaces: 50TC-7-01SI, 50TC-8-16-02SI

Installation Instructions

CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow (cfm)  . . . . . . . . . . . . . . . . . . . . . 2
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . . 15

• ROOF MOUNT

Step 2 — Plan for Sequence of Unit Installation . . . 15

• CURB-MOUNTED INSTALLATION

• PAD-MOUNTED INSTALLATION

• FRAME-MOUNTED INSTALLATION

Step 3 — Inspect Unit  . . . . . . . . . . . . . . . . . . . . . . . . 16
Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . . 16

• ROOF CURB MOUNT

• SLAB MOUNT (HORIZONTAL UNITS ONLY)

• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR 

SLAB MOUNT)

Step 5 — Field Fabricate Ductwork  . . . . . . . . . . . . . 20

• FOR UNITS WITH ACCESSORY ELECTRIC HEATERS

Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . . 20

• POSITIONING ON CURB (50TC 07-14)

• POSITIONING ON CURB (50TC 16)

Step 7 — Convert to Horizontal and Connect 

Ductwork (when required). . . . . . . . . . . . . . . . . . . 21

• 50TC 07-14 UNITS

• 50TC 16 UNITS

Step 8 — Install Outside Air Hood  . . . . . . . . . . . . . . 22

• 50TC 07-14 OUTSIDE AIR HOOD

• 50TC 16 OUTSIDE AIR HOOD

Step 9 — Install External Condensate Trap and

Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Step 10 — Make Electrical Connections  . . . . . . . . . 38

• 50TC 07-14 UNIT ELECTRICAL CONNECTIONS

• FIELD WIRING FOR 50TC 07-14 UNITS

• CONVENIENCE OUTLETS FOR 50TC 07-14 UNITS

• 50TC 16 UNIT ELECTRICAL CONNECTIONS

• FIELD WIRING FOR 50TC 16 UNITS

• CONVENIENCE OUTLETS FOR 50TC16 UNITS

Electric Heaters  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

• 50TC 07-14 UNIT ELECTRIC HEATERS

• 50TC 16 UNIT ELECTRIC HEATERS

Humidi-MiZer® System Control Connections . . . . . 51

• HUMIDI-MIZER — SPACE RH CONTROLLER

• 50TC 07-14 UNIT HUMIDI-MIZER

• 50TC 16 UNIT HUMIDI-MIZER

EconoMi$er® X (Factory-Installed Option). . . . . . . .55

• PRODUCT DESCRIPTION

• SYSTEM COMPONENTS

• SPECIFICATIONS

• INPUTS

• OUTPUTS

• ENVIRONMENTAL

• ECONOMIZER MODULE WIRING DETAILS

• S-BUS SENSOR WIRING

• CO2 SENSOR WIRING

• INTERFACE OVERVIEW

• USER INTERFACE

• KEYPAD

• MENU STRUCTURE

• SETUP AND CONFIGURATION

• TIME-OUT AND SCREEN SAVER

• ENTHALPY SETTINGS

• TWO-SPEED FAN OPERATION

• CHECKOUT

• TROUBLESHOOTING

PremierLink™ Controller (Factory Option)  . . . . . . .68
RTU Open Controller (Factory-Installed Option) . . .68
Smoke Detectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

• ADDITIONAL APPLICATION DATA

Step 11 — Adjust Factory-Installed Options  . . . . . .81

• SMOKE DETECTORS

• ECONOMI$ER IV OCCUPANCY SWITCH

Step 12 — Install Accessories . . . . . . . . . . . . . . . . . .81
Step 13 — Check Belt Tension  . . . . . . . . . . . . . . . . .81

• BELT FORCE — DEFLECTION METHOD

• BELT TENSION METHOD

Pre-Start and Start-Up  . . . . . . . . . . . . . . . . . . . . . . . .82
Troubleshooting the UltraTech™ Compressor . . . .82

• MODULATION CONTROL INPUT SPECIFICATIONS

START-UP CHECKLIST  . . . . . . . . . . . . . . . . . . . . .CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be

hazardous due to system pressure and electrical components.

Only trained and qualified service personnel should install, re-

pair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions

of cleaning coils and filters and replacing filters. All other op-

erations should be performed by trained service personnel.

50TC*D/E units for installation in the United States contain use of Carrier's Staged Air Volume (SAV™) 2-speed
indoor fan control system. This complies with the U.S. Department of Energy (DOE) efficiency standard of 2018.
50TC*D/E units for installation outside the United States may or may not contain Carrier's Staged Air Volume
(SAV) 2-speed indoor fan control system as they are not required to comply with the U.S. Department of
Energy (DOE) 2018 mandatory efficiency standard.
50TC*M units for installation inside or outside the United States do not contain use of Carrier’s Staged Air
Volume (SAV) 2-speed indoor fan motor control system as they comply with the U.S. Department of Energy
(DOE) 2018 mandatory efficiency standard without their use.
For specific details on operation of the Carrier SAV 2-speed indoor fan system, refer to the Variable Frequency
Drive (VFD) Factory-Installed Option 2-Speed Motor Control Installation, Setup, and Troubleshooting manual.

WeatherMaker

®

50TC07-16

Single Package Rooftop Cooling Only

 with Puron

®

 (R-410A) Refrigerant

Summary of Contents for WeatherMaker 50TC07 Series

Page 1: ...TUP AND CONFIGURATION TIME OUT AND SCREEN SAVER ENTHALPY SETTINGS TWO SPEED FAN OPERATION CHECKOUT TROUBLESHOOTING PremierLink Controller Factory Option 68 RTU Open Controller Factory Installed Option 68 Smoke Detectors 80 ADDITIONAL APPLICATION DATA Step 11 Adjust Factory Installed Options 81 SMOKE DETECTORS ECONOMI ER IV OCCUPANCY SWITCH Step 12 Install Accessories 81 Step 13 Check Belt Tension ...

Page 2: ...his warning could result in death serious personal injury and or property damage Disconnect gas piping from unit when pressure testing at pressure greater than 0 5 psig 3450 Pa Pressures greater than 0 5 psig will cause gas valve damage resulting in haz ardous condition If gas valve is subjected to pressure great er than 0 5 psig it must be replaced before use When pres sure testing field supplied...

Page 3: ...l Cu Cu J Al Al E coat Al Cu K E coat Al Al Al Cu L E coat Al Al E coat Al Cu T Al Al Al Cu Louvered Hail Guard U Al Al Cu Cu Louvered Hail Guard V Al Al E coat Al Cu Louvered Hail Guard W E coat Al Al Al Cu Louvered Hail Guard X E coat Al Al E coat Al Cu Louvered Hail Guard Design Revision Factory Design Revision Base Unit Controls 0 Electro mechanical Controls can be used with W7212 EconoMi er I...

Page 4: ...4 Fig 2 Dimensional Drawing for Units Built on and After 4 15 19 Size 07 ...

Page 5: ...5 Fig 3 Dimensional Drawing for Units Built Prior to 4 15 19 Size 07 ...

Page 6: ...6 Fig 4 Corner Weights and Clearances Size 07 ...

Page 7: ...7 Fig 5 Base Rail Details Size 07 ...

Page 8: ...8 Fig 6 Thru the Base Charts Size 07 ...

Page 9: ...9 Fig 7 Unit Dimensional Drawing Size 08 09 12 ...

Page 10: ...10 Fig 7 Unit Dimensional Drawing Size 08 09 12 cont ...

Page 11: ...11 Fig 8 Unit Dimensional Drawing Size 14 ...

Page 12: ...12 Fig 8 Unit Dimensional Drawing Size 14 cont ...

Page 13: ...13 Fig 9 Unit Dimensional Drawing Size 16 Unit ...

Page 14: ...14 Fig 9 Unit Dimensional Drawing Size 16 Unit cont ...

Page 15: ...is unit will dictate different se quences for the steps of unit installation For example on curb mounted units some accessories must be installed on the unit before the unit is placed on the curb Review the following for recommended sequences for installation steps CURB MOUNTED INSTALLATION 1 Install curb 2 Install field fabricated ductwork inside curb 3 Install accessory thru base service connect...

Page 16: ...b Installation Instructions for ad ditional information as required Fig 11 Unit Leveling Tolerances Install insulation cant strips roofing felt and counter flashing as shown Ductwork must be attached to curb and not to the unit The accessory thru the base power and gas connection package must be installed before the unit is set on the roof curb If electric and control wiring is to be routed throug...

Page 17: ...ASY ROOF ENGINEERING MANUFACTURING ENGINEERING REQUIREMENTS SIZE DRAWING NUMBER REV T 005 Y 002 DRAFTER CHECKER D 48TC400427 B WEIGHT MMC 06 17 11 SHEET 5 OF 5 SURFACE FINISH MFG PURCH MODEL INTERNAL USE ONLY NEXT DRAWING SCALE DISTRIBUTION PURCH N A MMC NOTES 1 ROOFCURB ACCESSORY IS SHIPPED DISASSEMBLED 2 INSULATED PANELS 25 4 1 THK POLYURETHANE FOAM 44 5 1 3 4 DENSITY 3 DIMENSIONS IN ARE IN MILL...

Page 18: ... PART WITHOUT THE WRITTEN AUTHORIZATION OF CARRIER CORPORATION 1 DEC 2 DEC 3 DEC ANG MATERIAL AUTHORIZATION NUMBER TITLE 1029120 CURB ASY ROOF ENGINEERING MANUFACTURING ENGINEERING REQUIREMENTS SIZE DRAWING NUMBER REV T 005 Y 002 DRAFTER CHECKER D 50HJ405012 C WEIGHT MMC 12 16 09 SHEET 5 OF 5 SURFACE FINISH MFG PURCH MODEL INTERNAL USE ONLY NEXT DRAWING SCALE DISTRIBUTION PURCH N A NOTES 1 ROOFCUR...

Page 19: ...19 Fig 14 Roof Curb Details Size 16 Unit ...

Page 20: ...rovided in base rails as shown in Fig 15 Re fer to rigging instructions on unit Fig 15 Rigging Details CAUTION PROPERTY DAMAGE HAZARD Failure to follow this caution may result in damage to roof ing materials Membrane roofs can be cut by sharp sheet metal edges Be careful when placing any sheet metal parts on such roof WARNING PERSONAL INJURY HAZARD Failure to follow this warning could cause person...

Page 21: ...f the unit See Fig 17 Although unit is weatherproof guard against water from higher level runoff and overhangs Fig 17 Alternative Condensate Drain Hole Positions Size 16 Remove all shipping materials and top skid Remove extra cen ter post from the condenser end of the unit so that the condens er end of the unit matches Fig 58 60 Recycle or dispose of all shipping materials Step 7 Convert to Horizo...

Page 22: ...Hood 50TC 07 14 OUTSIDE AIR HOOD Economizer and Two Position Damper Hood Package Removal and Setup Factory Option Size 07 14 1 The hood is shipped in knock down form and must be field assembled The indoor coil access panel is used as the hood top while the hood sides divider and filter are packaged together attached to a metal support tray using plastic stretch wrap and shipped in the return air c...

Page 23: ...rt the hood divider between the hood sides See Fig 24 and 25 Secure hood divider with 2 screws on each hood side The hood divider is also used as the bottom fil ter rack for the aluminum filter 5 Open the filter clips which are located underneath the hood top Insert the aluminum filter into the bottom filter rack hood divider Push the filter into position past the open filter clips Close the filte...

Page 24: ...n page 24 5 If removed reattach the panel under the damper Fig 28 Two Position Damper Hood Package Location Size 16 Economizer Hood and Two Position Damper Hood Installa tion Size 16 NOTE If the power exhaust accessory is to be installed on the unit the hood shipped with the unit will not be used and must be discarded Save the aluminum filter for use in the power exhaust hood assembly 1 The indoor...

Page 25: ...connection Fig 32 Condensate Drain Pan Side View The piping for the condensate drain and external trap can be completed after the unit is in place See Fig 33 Fig 33 Condensate Drain Piping Details All units must have an external trap for condensate drainage Install a trap at least 4 in 102 mm deep and protect against freeze up If drain line is installed downstream from the exter nal trap pitch the...

Page 26: ...26 Fig 34 50TC 07 Control Wiring Diagram ...

Page 27: ...27 Fig 35 50TC 07 Power Wiring Diagram ...

Page 28: ...28 Fig 36 50TC M08 12 Control Wiring Diagram ...

Page 29: ...29 Fig 37 50TC D E Wiring Diagram 08 14 Size Units ...

Page 30: ...30 Fig 38 Single Stage Cooling without VFD Power Wiring Diagram Sizes 08 12 ...

Page 31: ...31 Fig 39 2 Stage Cooling with VFD Power Wiring Diagram Sizes 08 12 ...

Page 32: ...32 Fig 40 2 Stage Cooling with VFD Power Wiring Diagram Size 14 ...

Page 33: ...33 Fig 41 50TC 16 Wiring Diagram ...

Page 34: ...34 Fig 42 2 Stage Cooling with VFD Power Wiring Diagram Size 16 ...

Page 35: ...35 Fig 43 50TC 07 Units Wiring Diagram with Humidi MiZer System Option ...

Page 36: ...36 Fig 44 50TC 08 14 Units Wiring Diagram with Humidi MiZer System Option ...

Page 37: ...37 Fig 45 50TC 16 Wiring Diagram with Humidi MiZer System Option ...

Page 38: ...e main control box see Fig 47 The manual switch handle and shaft are shipped in the disconnect enclosure Assemble the shaft and handle to the switch at this point Discard the factory test leads see Fig 49 Connect field power supply conductors to LINE side terminals when the switch enclosure cover is removed to attach the handle Field Install the NFD Shaft and Handle 1 Remove the control box access...

Page 39: ... the current within 10 Use the following formula to de termine the percent of voltage imbalance Operation on im proper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components Such operation would invalidate any applicable Carrier warranty Voltage Imbalance Example Supply voltage is 230 3 60 Determine maximum deviation from average voltage AB 227 22...

Page 40: ...mounted transformer is factory installed to stepdown the main power supply voltage to the unit to 115 v at the du plex receptacle This option also includes a manual switch with fuse located in a utility box and mounted on a bracket behind the convenience outlet access is through the unit s control box access panel See Fig 50 The primary leads to the convenience outlet transformer are not factory c...

Page 41: ...connect and control box 2 Install power lines to terminal connections as shown in Fig 49 Field Control Wiring The 50TC unit requires an external temperature control device This device can be a thermostat field supplied or a Premier Link controller available as factory installed option or as field installed accessory for use on a Carrier Comfort Net work or as a stand alone control or the RTU Open ...

Page 42: ...require a conduit larger than 1 in the conduit must be field supplied Figures 58 60 show the wire routings If the field disconnect is larger than 100 A it must be attached to the unit using accessory CRDISBKT001A00 disconnect switch bracket see Fig 61 Follow the instructions provided with this accessory For smaller field disconnects be sure to use 1 2 in screws to mount the disconnect directly to ...

Page 43: ...ig 63 Fig 63 Power Wiring Connections Size 16 NOTE TEST LEADS Unit may be equipped with short leads pigtails on the field line connection points off the optional dis connect switch These leads are for factory run test purposes only remove and discard before connecting field power wires to unit connection points Make field power connections directly to line connection pressure lugs only Units Witho...

Page 44: ... Factory Installed Disconnect The factory installed option disconnect switch is located in a weatherproof enclosure located under the main control box see Fig 65 The manual switch handle is accessible through an open ing in the access panel Discard the factory test leads see Fig 63 on page 43 The factory disconnect is an 80A disconnect Field Install the NFD Shaft and Handle 1 Remove the Control Bo...

Page 45: ... open Oth er connection methods will result in the convenience outlet cir cuit being de energized when the unit disconnect switch is open See Fig 69 On a unit without a unit mounted discon nect connect the source leads to the main terminal block TB1 If the convenience outlet transformer is connected to the line side of a field disconnect the conduit provided with the unit must be used to protect t...

Page 46: ...asepan 1 Remove the L bracket assembly from the unit 2 Remove connector plate assembly from the L bracket and discard the L bracket but retain the washer head screws and the gasket located between the L bracket and the connector plate assembly NOTE Take care not to damage the gasket as it is reused in the following step 3 Place the gasket over the embossed area in the basepan aligning the holes in...

Page 47: ...ivalent single leads of different colors with minimum of seven leads If the thermostat does not require a 24 v source no C connection required use a ther mostat cable or equivalent with minimum of six leads Check the thermostat installation instructions for additional features which might require additional conductors in the cable For wire runs up to 50 ft 15 m use no 18 AWG American Wire Gage ins...

Page 48: ...le point boxes with power distribution and fuse blocks The single point box will be installed directly under the unit control box just to the left of the partition separating the indoor section with electric heaters from the outdoor section The single point box has a hinged access cover See Fig 78 The single point box also in cludes a set of power taps and pigtails to complete the wiring between t...

Page 49: ... the bottom of the heater opening See Fig 81 Single Point Boxes When heaters are installed power wiring to both heaters and the rest of the unit is connected via the single point box acces sory which will be installed directly under the unit control box just to the left of the partition separating the indoor section with electric heaters from the outdoor section The single point box has a hinged a...

Page 50: ...nd brown wires located on TB4 Two Stage Heaters Two stage heaters will have orange purple red and brown wires The orange and the purple ones are the control wires and the red and brown wires feed the safety circuit Connect both the orange and the purple wires to the orange wire locations of TB4 Connect the red and brown wires to red and brown wires on TB4 If more than one heater is installed repea...

Page 51: ...d with the Carrier Edge Pro Thermidistat device for more information 50TC 16 UNIT HUMIDI MIZER To connect the Carrier humidistat HL38MG029 1 Route the humidistat 2 conductor cable field supplied through the bushing the unit s louvered end panel see Fig 74 2 Route the cable through the snap in wire tie and up to the web bushing near the control box 3 Feed the cable through the bushing and into the ...

Page 52: ...52 Fig 86 Edge Pro Thermidistat Fig 87 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring 50TC 07 Unit Shown ...

Page 53: ...53 Fig 88 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring 50TC 08 14 Units Shown ...

Page 54: ...54 Fig 89 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring 50TC 16 Units Shown ...

Page 55: ... The module is the core of the EconoMi er X system The mod ule is mounted in the unit s control box and includes the user interface for the system The W7220 economizer module pro vides the basic inputs and outputs to provide simple economiz er control When used with the optional sensors the economiz er module provides more advanced economizer functionality S Bus Enthalpy Control Sensors The sensor...

Page 56: ...t 30 vac Running 1 5A maximum Inrush 7 5A maximum ENVIRONMENTAL Operating Temperature 40 F to 150 F 40 C to 65 C Exception of display operation down to 4 F 20 C with full recovery at 4 F 20 C from exposure to 40 F 40 C Storage Temperature 40 F to 150 F 40 C to 65 C Shipping Temperature 40 F to 150 F 40 C to 65 C Relative Humidity 5 to 95 RH non condensing ECONOMIZER MODULE WIRING DETAILS Use Fig 9...

Page 57: ... menu navigation Settings and parameter changes Menu structure and selection USER INTERFACE The user interface consists of a 2 line LCD display and a 4 but ton keypad on the front of the economizer controller KEYPAD The four navigation buttons see Fig 95 are used to scroll through the menus and menu items select menu items and to change parameter and configuration settings LABEL TYPE DESCRIPTION T...

Page 58: ...s and param eters for the EconoMi er X system The Menus in display order are STATUS SETPOINTS SYSTEM SETUP ADVANCED SETUP CHECKOUT ALARMS NOTE Some parameters in the menus use the letters MA or MAT indicating a mixed air temperature sensor location before the cooling coil This unit application has the control sensor locat ed after the cooling coil in the fan section where it is designated as Cooli...

Page 59: ...n Displays when Discharge Air sensor is connected and displays measured discharge temperature Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F 40 F to 140 F OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _F if sensor sends invalid value short or out of range OA HUM _ _ 0 to 100 OUTSIDE AIR RELATIVE HUMIDITY Displ...

Page 60: ...o 10 V if 3 sensors RA OA and MA In AUTO mode dampers controlled by CFM 100 to 9990 cfm increment by 10 If OA MA RA and CO2 sensors are connected and DCV CAL ENABLE is set to AUTO mode the OA dampers are controlled by CFM and displays from 100 to 9990 CFM 2 to 10 Vdc With 2 speed fan units VENT L low speed fan and MIN POS H high speed fan settings are required Default for VENTMAX L is 3 2V and VEN...

Page 61: ...required 2 speed values ADVANCED SETUP MA LO SET 45 F 35 F to 55 F Incremented by 10 SUPPLY AIR TEMPERATURE LOW LIMIT Temperature to achieve Freeze Protection close damper and alarm if temperature falls below setup value FREEZE POS CLO CLO or MIN FREEZE PROTECTION DAMPER POSITION Damper position when freeze protection is active closed or MIN POS CO2 ZERO 0ppm 0 to 500 ppm Increment by 10 CO2 ppm l...

Page 62: ...en they are active The menu title ALARMS includes the number of active alarms in parenthesis When using SYLK bus sensors SYLK will appear on the screen and when using 20k OA temperature sensors SENS T will appear on the screen MA T SENS ERR N A N A SUPPLY AIR TEMPERATURE SENSOR ERROR Mixed air sensor has failed or become disconnected check wir ing then replace sensor if the alarm continues CO2 SEN...

Page 63: ...with or without DCV see Tables 9 and 10 For enthal py operation with a 1 speed indoor fan with or without DCV see Tables 11 and 12 For dry bulb operation with a 2 speed in door fan with or without DCV see Tables 13 and 14 For en thalpy operation with a 2 speed indoor fan with or without DCV see Tables 15 and 16 Table 8 Damper Minimum Position Settings and Readings on Checkout Menu ALARMS cont DMP ...

Page 64: ...H 24v On 0v Off MIN POS to Full Open Closed to Full Open DEMAND CONTROLLED VENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 Set No OFF OFF HIGH 0v Off 0v Off VENTMIN Closed ON OFF HIGH 24v On 0v Off VENTMIN Closed ON ON HIGH 24v On 24v On VENTMIN Closed Yes OFF OFF HIGH 0v Off 0v Off VENTMIN Closed ON OFF HIGH 0v Off 0v Off VENTMIN to Full O...

Page 65: ...Closed ON ON HIGH 24v On 24v On VENTMIN to VENTMAX Closed Yes OFF OFF HIGH 0v Off 0v Off VENTMIN to VENTMAX Closed ON OFF HIGH 0v Off 0v Off VENTMIN to Full Open Closed to Full Open ON ON HIGH 24v On 0v Off VENTMIN to Full Open Closed to Full Open DEMAND CONTROLLED VENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED NONE NO OFF OFF LOW 0v Off 0v Off MIN ...

Page 66: ...Open Closed to Full Open ON ON HIGH 24v On 0v Off MIN POS to Full Open Closed to Full Open DEMAND CONTROLLED VENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 Set No OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 24v On 0v Off VENTMIN Closed ON ON HIGH 24v On 24v On VENTMIN Closed Yes OFF OFF LOW 0v Off 0v Off VENTMIN Closed ON OFF LOW 0...

Page 67: ...n the first stage of mechanical cooling will be enabled through Y1 Out or Y2 Out CHECKOUT Inspect all wiring connections at the economizer module s termi nals and verify compliance with the installation wiring diagrams For checkout review the Status of each configured parameter and perform the Checkout tests NOTE For information about menu navigation and use of the keypad see Interface Overview on...

Page 68: ...cleared from the display To clear an alarm perform the following 1 Navigate to the desired alarm 2 Press the Enter button 3 ERASE displays 4 Press the Enter button 5 ALARM ERASED displays 6 Press the Menu up Exit button to complete the action and return to the previous menu NOTE If the alarm still exists after clearing it it is redisplayed within 5 seconds PremierLink Controller Factory Option For...

Page 69: ...69 Fig 97 Typical PremierLink Control Wiring Diagram Size 07 Shown ...

Page 70: ...70 Fig 98 50TC M08 12 PremierLink Control Wiring Diagram ...

Page 71: ...71 Fig 99 Typical PremierLink Control Wiring Diagram Dual Compressor Sizes 08 12 shown ...

Page 72: ...72 Fig 100 Typical PremierLink Control Wiring Diagram with Humidi MiZer System Option ...

Page 73: ...73 Fig 101 Typical RTU Open Controller Wiring Diagram 50TC 07 Units ...

Page 74: ...74 Fig 102 50TC M08 12 RTU Open Controller Wiring Diagram ...

Page 75: ...75 Fig 103 Typical RTU Open Controller Wiring Diagram 50TC D E08 14 Units ...

Page 76: ...76 Fig 104 RTU Open Controller Wiring Diagram 50TC 16 Unit ...

Page 77: ...77 Fig 105 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option 50TC 07 Units ...

Page 78: ...78 Fig 106 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option 50TC 08 14 Units ...

Page 79: ...79 Fig 107 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option 50TC 16 Units ...

Page 80: ...tion Completing Installation of Return Air Smoke Sensor 1 Unscrew the two screws holding the Return Air Smoke Detector assembly See Fig 109 Step 1 2 Save the screws 3 Turn the assembly 90 degrees and then rotate end to end Make sure that the elbow fitting is pointing down See Fig 109 Step 2 4 Screw the sensor and detector plate into its operating posi tion using screws from Step 1 See Fig 109 Step...

Page 81: ...ols Thermostat Sensors CO2 sensor DDC interface PremierLink controller Louvered hail guard Phase monitor control Refer to separate installation instructions for information on in stalling these accessories Step 13 Check Belt Tension Measure the belt span length as shown in Fig 111 Calculate the required deflection by multiplying the belt span length by 1 64 For example if the belt span length is 3...

Page 82: ...MA See Table 19 and Fig 113 for details Table 1 Table 2 BELT CROSS SECTION SMALLEST SHEAVE DIAMETER BELT DEFLECTION FORCE LBS UNNOTCHED BELTS NOTCHED BELTS USED NEW USED NEW A AX 3 0 3 6 3 7 5 5 4 1 6 1 3 8 4 8 4 5 6 8 5 0 7 4 5 0 7 0 5 4 8 0 5 7 8 4 B BX 3 4 4 2 4 9 7 2 4 4 5 6 5 3 7 9 7 1 10 5 5 8 8 6 6 3 9 4 8 5 12 6 BELT CONDITION TENSION FORCE IN BELT LBS New 100 Used 80 1 UltraTech is a trad...

Page 83: ...83 Fig 113 UltraTech Scroll Compressor ...

Page 84: ......

Page 85: ......

Page 86: ...continue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53500214 01 Printed in U S A Form 50TC 7 16 01SI Pg 86 8 19 Replaces 50TC 7 01SI 50TC 8 16 02SI Carrier Corporation 2019 ...

Page 87: ... propeller for location in housing orifice and verify setscrew is tight Y N _____ Verify that fan sheaves are aligned and belts are properly tensioned Y N _____ Verify that scroll compressors are rotating in the correct direction Y N _____ Verify installation of thermostat Y N _____ III START UP ELECTRICAL Supply Voltage L1 L2_____________ L2 L3_____________ L3 L1_____________ Compressor Amps 1 L1...

Page 88: ...eck for correct ramp up of outdoor fan motor as condenser coil warms Y N _____ 4 Check unit charge per charging chart Y N _____ Jumper 32L Motormaster temperature sensor during this check Remove jumper when complete 5 Switch unit to high latent mode sub cooler by closing humidistat with Y1 closed Y N _____ OBSERVE A Reduction in suction pressure 5 to 7 psi expected Y N _____ B Discharge pressure u...

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