Carrier WeatherMaster 50HC*A07 Series Скачать руководство пользователя | Manualshive

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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. 04-53500208-01

Printed in U.S.A.

Form 50HC-7-12-07SI

Pg 1

11-18

Replaces: 50HC-7-12-06SI

Installation Instructions

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . 2

MODEL NUMBER NOMENCLATURE
AND DIMENSIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Rated Indoor Airflow

. . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Jobsite Survey

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Step 1 — Plan for Unit Location

. . . . . . . . . . . . . . . . 8

Step 2 — Plan for Sequence of Unit Installation

. .9

• CURB-MOUNTED INSTALLATION
• PAD-MOUNTED INSTALLATION
• FRAME-MOUNTED INSTALLATION

Step 3 — Inspect Unit

. . . . . . . . . . . . . . . . . . . . . . . . . 9

Step 4 — Provide Unit Support

. . . . . . . . . . . . . . . . . 9

• ROOF CURB MOUNT
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR

Step 5 — Field Fabricate Ductwork

. . . . . . . . . . . . 11

• UNITS WITH ACCESSORY OR OPTIONAL

ELECTRIC HEATERS

Step 6 — Rig and Place Unit

. . . . . . . . . . . . . . . . . . 11

• POSITIONING ON CURB

Step 7 — Convert to Horizontal and Connect
Ductwork (When Required)

. . . . . . . . . . . . . . . . . . . 12

Step 8 — Install Outside Air Hood

. . . . . . . . . . . . . 13

• ECONOMIZER AND TWO POSITION DAMPER

HOOD PACKAGE REMOVAL AND SETUP —

• ECONOMIZER HOOD AND TWO-POSITION HOOD

Step 9 — Install External Condensate Trap
and Line

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Step 10 — Make Electrical Connections

. . . . . . . . 15

• FIELD POWER SUPPLY
• UNITS WITH FACTORY-INSTALLED NON-FUSED

DISCONNECT OR HACR

• UNITS WITHOUT FACTORY-INSTALLED NON-

FUSED DISCONNECT OR HACR

• CONVENIENCE OUTLETS
• HACR AMP RATING
• FACTORY-OPTION THRU-BASE CONNECTIONS
• UNITS WITHOUT THRU-BASE CONNECTIONS
• FIELD CONTROL WIRING
• THERMOSTAT
• ELECTRIC HEATERS
• HUMIDI-MIZER

®

CONTROL CONNECTIONS

• TYPICAL CONTROL AND POWER WIRING

DIAGRAMS

X (Factory Option)

. . . . . . . . . . . . . . 33

• INTERFACE OVERVIEW
• SEQUENCE OF OPERATION
• ENTHALPY SETTINGS
• TWO-SPEED FAN OPERATION
• CHECKOUT
• TROUBLESHOOTING

Smoke Detectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

• COMPLETING INSTALLATION OF RETURN AIR

• ADDITIONAL APPLICATION DATA

Staged Air Volume (SAV™) with Variable
Frequency Drive (Factory-Installed Option)

. . . . . 48

Link (Factory-Installed Option)

. . . . . . . . . 48

PremierLink™ Controller (Factory Option)

. . . . . . 48

RTU Open Controller System

. . . . . . . . . . . . . . . . . . 48

Controller Options

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

• LOW AMBIENT CONTROL (FACTORY OPTION)

Step 11 — Adjust Factory-Installed Options

. . . . 48

• SMOKE DETECTORS
• ECONOMI$ER

IV OCCUPANCY SWITCH

Step 12 — Install Accessories

. . . . . . . . . . . . . . . . . 49

Step 13 — Check Belt Tension

. . . . . . . . . . . . . . . . . 49

• BELT FORCE — DEFLECTION METHOD
• BELT TENSION METHOD

UltraTech™ Compressor
(50HC07 Units Only)

. . . . . . . . . . . . . . . . . . . . . . . . . . 49

Pre-Start and Start-Up

. . . . . . . . . . . . . . . . . . . . . . . . 50

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . . . CL-1

50HC07-12 WeatherMaster

®

Series

Single Package Rooftop

Cooling Only with Puron

®

(R-410-A) Refrigerant

1
2
3
...
»

Содержание WeatherMaster 50HC*A07 Series

Страница 1: ...sate Trap and Line 14 Step 10 Make Electrical Connections 15 FIELD POWER SUPPLY UNITS WITH FACTORY INSTALLED NON FUSED DISCONNECT OR HACR UNITS WITHOUT FACTORY INSTALLED NON FUSED DISCONNECT OR HACR ALL UNITS Page CONVENIENCE OUTLETS HACR AMP RATING FACTORY OPTION THRU BASE CONNECTIONS UNITS WITHOUT THRU BASE CONNECTIONS FIELD CONTROL WIRING THERMOSTAT ELECTRIC HEATERS HUMIDI MIZER CONTROL CONNECT...

Страница 2: ...or the AHRI ef ficiency rating for the units covered in this document Table 1 Rated Indoor Airflow WARNING Electrical shock can cause personal injury and death Shut off all power to this equipment during installation and ser vice There may be more than one disconnect switch Tag all disconnect locations to alert others not to restore power until work is completed WARNING Failure to follow this warn...

Страница 3: ...fortLink Controls Not available on 2 stage cooling 07 size models Intake Exhaust Options A None B Temperature Economizer w Barometric Relief F Enthalpy Economizer w Barometric Relief K 2 Position Damper U Low Leak Temperature Economizer w Barometric Relief W Low Leak Enthalpy Economizer w Barometric Relief Service Options 0 None 1 Unpowered Convenience Outlet 2 Powered Convenience Outlet 3 Hinged ...

Страница 4: ...4 Fig 2 Unit Dimensional Drawing Sizes 07 09 ...

Страница 5: ...5 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont ...

Страница 6: ...6 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 ...

Страница 7: ...7 Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont ...

Страница 8: ...it water from higher level runoff and overhangs to fall onto the unit Select a unit mounting system that provides adequate height to allow installation of condensate trap per require ments Refer to Step 9 Install External Condensate Trap and Line for required trap dimensions ROOF MOUNT Check building codes for weight distribution require ments Unit operating weight is shown in Table 2 C B A D NOTE...

Страница 9: ...he carton containing the outside air hood parts refer to Fig 12 on page 13 Do not remove carton until unit has been rigged and located in final position Step 4 Provide Unit Support ROOF CURB MOUNT Accessory roof curb details and dimensions are shown in Fig 6 on page 10 Assemble and install accessory roof curb in accor dance with instructions shipped with the curb NOTE The gasketing of the unit to ...

Страница 10: ...RT 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 ROOFCURB A...

Страница 11: ...standard side drain connection ensure the red plug in the alternate bottom connection is tight Do this before setting the unit in place The red drain pan can be tightened with a 1 2 in square socket drive extension For fur ther details see Step 9 Install External Condensate Trap and Line on page 14 Before setting the unit onto the curb recheck gasketing on curb POSITIONING ON CURB Position unit on...

Страница 12: ...tal duct openings 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 with applicable codes Do not cover or obscure visibility to the unit s informative data plate when insulating horizontal ductwork Fig 8 Horizontal Conversion Panels Fig 9 Location of Notches NOTES 1 S...

Страница 13: ...g 12 Economizer and Two Position Damper Hood Parts Location 3 Carefully lift the hood assembly with metal tray through the filter access opening and assemble per the steps outlined in the Economizer Hood and Two Posi tion Hood section below ECONOMIZER HOOD AND TWO POSITION HOOD NOTE If the power exhaust accessory is to be installed on the unit the hood shipped with the unit will not be used and mu...

Страница 14: ... bottom connection is tight Do this before setting the unit in place The red drain pan can be tightened with a 1 2 in square socket drive extension To use the alternate bottom drain connection remove the red drain plug from the bottom connection use a 1 2 in square socket drive extension and install it in the side drain connection Fig 16 Condensate Drain Pan Side View The piping for the condensate...

Страница 15: ... AWG copper only per pole on terminal or fuse block on units with single point box See Fig 18 and unit label diagram for field power wiring connections NOTE TEST LEADS Unit may be equipped with short leads pigtails on the field line connection points on contactor C or optional disconnect switch or HACR These leads are for fac tory run test purposes only remove and discard before connect ing field ...

Страница 16: ... cover horizontally with the red arrow pointing to the left 10 Secure the handle to the painted cover with 2 screws and lock washers supplied 11 Engaging the shaft into the handle socket re install 3 hex screws on the NFD enclosure 12 Re install the unit front panel Fig 20 NFD Enclosure Location Fig 21 NFD Handle and Shaft Assembly Field Install the HACR Shaft and Handle 1 Remove unit front panel ...

Страница 17: ...pply the control transformer must be rewired by removing the black wire with the 1 4 in fe male spade connector from the 230v connection and moving it to the 200v 1 4 in male terminal on the primary side of the transformer Refer to unit label diagram for additional infor mation Field power wires will be connected at line side pres sure lugs on the power terminal block or at factory installed optio...

Страница 18: ...ds will result in the convenience outlet circuit being de energized when the unit disconnect or HACR switch is open See Fig 25 Fig 25 Powered Convenience Outlet Wiring Figure 26 shows the Convenience Outlet Utilization label which is located below the convenience outlet Fig 26 Convenience Outlet Utilization Label Test the GFCI receptacle by pressing the TEST button on the face of the receptacle to...

Страница 19: ...nection kit consists of a 1 2 in electrical bulkhead connector and a 1 1 4 in electrical bulkhead con nector all factory installed in the embossed raised section of the unit basepan in the condenser section The 1 2 in bulk head connector enables the low voltage control wires to pass through the basepan The 1 1 4 in electrical bulkhead connec tor allows the high voltage power wires to pass through ...

Страница 20: ...it is simply a basic multi function wiring terminal configuration Unit without Thru Base Connection Kit Pass the thermostat control wires through the hole provid ed in the end panel see item D in the view labeled LEFT in Fig 2 and Fig 3 then feed the wires through the raceway built into the corner post to the control box Pull the wires over to the terminal strip on the upper left corner of the Cen...

Страница 21: ...ls Refer to accessory heater and single point box installation instructions for details on tap connections on field installed electric heat accessory Fig 35 Typical Single Point Installation Low Voltage Control Connections Pull the low voltage control leads from the heater mod ule s VIO and BRN two of each if two modules are in stalled identify for Module 1 to the 4 pole terminal board TB4 located...

Страница 22: ...et for dehumidification control See Fig 38 and Fig 39 The hu midistat is normally used in applications where a temperature control is already provided units with PremierLink control Fig 38 Accessory Field Installed Humidistat Fig 39 Edge Pro Thermidistat To connect the Carrier humidistat HL38MG029 1 Route the humidistat 2 conductor cable field supplied through the hole provided in the unit corner ...

Страница 23: ...clearance between high voltage and low voltage wiring 3 The Thermidistat has dry contacts at terminals D1 and D2 for dehumidification operation see Fig 41 The dry contacts must be wired between CTB terminal R and the PNK BLK lead to the LTLO low temperature cooling lockout switch with field supplied wire nuts Refer to the installation instructions included with the Carrier Edge Pro Thermidistat de...

Страница 24: ...idi MiZer Adaptive Dehumidification System with Edge Pro Thermidistat Device Rc Rh W1 G Y2 C O W2 B Y1 OAT RRS SRTN HUM D1 D2 V Vg X C G W2 W1 Y2 Y1 R Edge Programable Thermostat Unit CTB THERMOSTAT Connection not required Humidi MiZer FIOP ...

Страница 25: ...25 Fig 42 Electro Mechanical Control Wiring Diagram ...

Страница 26: ...26 Fig 43 Electro Mechanical Control Wiring Diagram with Humidi MiZer System ...

Страница 27: ...27 Fig 44 Typical ComfortLink Control Wiring Diagram 50HC 08 09 shown ...

Страница 28: ...28 Fig 45 Typical 50HC ComfortLink Control Power Wiring Diagram with Humidi MiZer System 208 230V 460V 3 Ph 60 Hz shown ...

Страница 29: ...29 Fig 46 Typical PremierLink Control Wiring Diagram ...

Страница 30: ...30 Fig 47 Typical PremierLink Control Wiring Diagram with Humidi MiZer System Option ...

Страница 31: ...31 Fig 48 Typical RTU Open Controller Wiring Diagram ...

Страница 32: ...32 Fig 49 Typical RTU Open Controller Wiring Diagram with Humidi MiZer System Option ...

Страница 33: ... options are available with bus sensors User Interface Provides status for normal operation setup parameters checkout tests and alarm and error conditions with a 2 line 16 character LCD display and four button keypad Electrical Rated Voltage 20 to 30 Vac RMS 50 60 Hz Transformer 100 va maximum system input Nominal Power Consumption at 24 Vac 60 Hz 11 5 VA without sensors or actuators Relay Digital...

Страница 34: ... 2 10 2 10 vdc Damper Actuator Output 2 10 vdc ACT COM COM Damper Actuator Output Common ACT 24v 24 vac Damper Actuator 24 vac Source NA The bottom pin is not used NA AUX2 OCC E GND EXH1 AUX1 O Y2 Y1 Y2 O Y1 O C R 50048848 002 Rev A NA A2 OC C EX A1 Y2I Y2O Y1I Y1O C R Cert Product California Title 24 Part 6 HJW10 www energy ca gov MAT MAT OAT OAT S BUS S BUS IAQ 2 10 IAQCOM IAQ 24V ACT 2 10 ACTCO...

Страница 35: ...RFACE OVERVIEW This section describes how to use the EconoMi er user interface for Keypad and 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 button keypad on the front of the economizer controller Keypad Use the four navigation buttons see Fig 54 to scroll through the menus and menu items select...

Страница 36: ...ss the Enter button to return to the current menu parameter 9 Press the Menu Up Exit button to return to the pre vious menu Menu Structure Table 8 illustrates the complete hierarchy of menus and parameters 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 m...

Страница 37: ... _ _ F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F or _ _ _ C 40 to 140 F 40 to 60 C OUTSIDE AIR TEMP Displays measured value of outdoor air temperature Displays _ _ _ F if sensor sends invalid value if not connected short or out of range OA HUM _ _ 0 to 100 OUTSIDE AIR RELATIVE HUMIDITY Displays measured value of outdoor humidity from OA enthalpy sensor RA...

Страница 38: ...space Above the setpoint the OA dampers will modulate open to bring in additional OA to maintain a space ppm level below the setpoint MIN POS 2 8 V 2 to 10 Vdc VENTILATION MINIMUM POSITION Displays ONLY if a CO2 sensor is NOT connected With 2 speed fan units MIN POS L low speed fan and MIN POS H high speed fan settings are required Default for MIN POS L is 3 2V and MIN POS H is 2 8V VENTMAX 2 8 V ...

Страница 39: ...ill briefly flash YES and change to NO but all parameters will change to the factory default values NOTE RECHECK AUX2 IN and FANTYPE for required 2 speed values ADVANCED SETUP MA LO SET 45 F 7 C 35 to 55 F 2 to 18 C incremented by 1 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 FREEZ...

Страница 40: ...the AUX output If Aux setting is NONE not action taken ERV 24 Vac out Turns on or signals an ERV that the conditions are not good for economizing but are good for ERV operation SYS 24 Vac out Issues a system alarm CONNECT EXH1 N A N A Closes the power exhaust fan 1 relay EXH1 ALARMS Alarms display only when they are active The menu title ALARMS includes the number of active alarms in parenthesis W...

Страница 41: ...sen sor is designated as Supply Air Temperature SAT sensor 3 SETPOINTS DRYBLB SET This point is not displayed if a Return Air differential temperature sensor or an Outdoor Air en thalpy sensor is connected 4 SYSTEM SETUP parameters must be configured as noted for 2 Speed unit operation EQUIPMENT CONV AUX2 IN W FAN SPEED 2SPEED MENU PARAMETER PARAMETER DEFAULT VALUE PARAMETER RANGE AND INCREMENT NO...

Страница 42: ...T MIN L N A 2 YES VENT MAX L N A DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED None No Off Off High 0 v Off 0 v Off MIN POS Closed On Off High 24 v On 0 v Off MIN POS Closed On On High 24 v On 24 v On MIN POS Closed Yes Off Off High 0 v Off 0 v Off MIN POS Closed On Off High 0 v Off 0 v Off MIN POS to Full Open Closed to Full Open On On High 24 v On 24 v Off M...

Страница 43: ... Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED None No Off Off High 0 v Off 0 v Off MIN POS Closed On Off High 24 v On 0 v Off MIN POS Closed On On High 24 v On 24 v On MIN POS Closed Yes Off Off High 0 v Off 0 v Off MIN POS Closed On Off High 0 v Off 0 v Off MIN POS to Full Open Closed to Full Open On On High 24 v On 0 v Off MIN POS to Full Open Closed to Full Open DCV OUTSIDE AIR GOOD TO ECO...

Страница 44: ...f Off Low 0 v Off 0 v Off VENTMIN L Closed On Off Low 24 v On 0 v Off VENTMIN L Closed On On High 24 v On 24 v On VENTMIN H Closed Yes Off Off Low 0 v Off 0 v Off VENTMIN L Closed On Off Low 0 v Off 0 v Off VENTMIN L to Full Open Closed to Full Open On On High 24 v On 0 v Off VENTMIN H to Full Open Closed to Full Open Above Set No Off Off Low 0 v Off 0 v Off VENTMIN L to VENTMAX Closed On Off Low ...

Страница 45: ...ze and the mode is set to NO Fig 55 shows the 5 current boundaries There is also a high limit boundary for differential enthalpy The high limit boundary is ES1 when there are no stages of mechanical cooling energized and HL high limit when a compressor stage is energized Table 18 provides the values for each boundary limit Fig 55 Single Enthalpy Curve and Boundaries Table 18 Single Enthalpy and Du...

Страница 46: ...y configured outputs Only items that are configured are shown in the Checkout menu NOTE See Interface Overview on page 35 for information about menu navigation and use of the keypad To perform a Checkout test 1 Scroll to the desired test in the Checkout menu using the and buttons 2 Press the Enter button to select the item RUN appears 3 Press the Enter button to start the test The unit pauses then...

Страница 47: ...ation COMPLETING INSTALLATION OF RETURN AIR SMOKE SENSOR 1 Unscrew the two screws holding the Return Air Smoke Detector assembly See Fig 57 Step 1 Save the screws 2 Turn the assembly 90 degrees and then rotate end to end Make sure that the elbow fitting is pointing down See Fig 57 Step 2 3 Screw the sensor and detector plate into its operating position using screws from Step 1 See Fig 57 Step 3 4 ...

Страница 48: ...d Option RTU Open Multi Protocol Controller Controls Start Up Operation and Troubleshooting manual Controller Options LOW AMBIENT CONTROL FACTORY OPTION If the unit comes with Electro Mechanical EM control then no adjustment is necessary If the unit comes with PremierLink or RTU Open con troller option refer to the appropriate installation control manual for details on adjusting Cooling Lock Out s...

Страница 49: ...e large O ring is at the bottom of the straightedge 4 Adjust the belt tension as needed Adjust belt tension by loosing the motor mounting plate front bolts and rear bolt see Fig 60 and slide the plate towards the fan to reduce tension or away from the fan to increase ten sion Ensure the blower shaft and motor shaft are parallel to each other pulleys aligned Tighten all bolts securely when fin ishe...

Страница 50: ...art and start up instructions Download the latest versions from HVAC Partners www hvacpartners com Table 20 UltraTech Compressor 50HC07 Units STAGE CAPACITY METERING LIQUID LINE SOLENOID COMPRESSOR UNLOADER FOR ULTRA TECH COMPRESSOR TROUBLESHOOTING COMPRESSOR CURRENT FOR LIQUID LINE SOLENOID VALVE TROUBLESHOOTING TOP EVAPORATOR COIL TEMPERATURE Y1 Part Load 66 TXV Closed De energized De energized ...

Страница 51: ...erminals are tight Y N _____ Check that indoor air filters are clean and in place Y N _____ Check that outdoor air inlet screens are in place Y N _____ Verify that unit is level Y N _____ Check fan wheels and 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 ...

Страница 52: ...essure _______________ PSIG B Discharge pressure _______________ PSIG C Entering air temperature _______________ F D Liquid line temperature at outlet or reheat coil _______________ F E Confirm correct rotation for compressor Y N _____ F Check for correct ramp up of outdoor fan motor as condenser coil warms Y N _____ 4 Check unit charge per charging chart Y N _____ 5 Switch unit to high latent mod...

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