background image

40

Connect to
computer’s
USB port

Connect to

the Local

Access port

USB Link Kit

RTU Open

Access

Port

J12

P1

P1

P5

P5

LOCAL

ACCESS

PORT

GND

GND

*Therm

mA

*Therm

mA

UI-10

UI-11

SW3

on

COMM

OPTION

CR2032

+

-

SW1

SW2

MSB

LSB

TX

RX

+12 DVC
Rnet-
Rnet+
GND

RNET

J12

J13

J15

J20

C14131

Fig. 65 −

 

PC Running Field Assistant

Table 14 – LEDs

The LEDs on the RTU Open Controller show the status of certain functions

If this LED is on...

Status is...

Power

The RTU Open controller has power

Rx

The RTU Open controller is receiving data from the network segment

Tx

The RTU Open controller is transmitting data over the network segment

BO#

The binary output is active

The Run and Error LEDs indicate control module and network status

If Run LED shows...

And Error LED shows...

Status is...

2 flashes per second

Off

Normal

2 flashes per second

2 flashes, alternating with 

Run 

LED

Five minute auto-restart delay after system error

2 flashes per second

3 flashes, then off

Control module has just been formatted

2 flashes per second

4 flashes, then pause

Two or more devices on this network have the
same MSTP network address

2 flashes per second

On

Exec halted after frequent system errors or 
control programs halted

5 flashes per second

On

Exec start-up aborted, Boot is running

5 flashes per second

Off

Firmware transfer in progress, Boot is running

7 flashes per second

7 flashes per second, alternating
with 

Run 

LED

Ten second recovery period after brownout

14 flashes per second

14 flashes per second,
alternating with 

Run

 

LED

Brownout

On

On

Failure. Try the following solutions:

S

Turn the RTU Open controller off, then on.

S

Format the RTU Open controller.

S

Download memory to the RTU Open controller.

S

Replace the RTU Open controller.

NOTE:  Refer to the RTU Open Multi−Protocol Controller
Controls, Start−Up, Operation and Troubleshooting
 manual
for complete configuration of the RTU Open controller
operating sequences and troubleshooting information. Refer
to the RTU Open v3 Integration Guide for details on
configuration and troubleshooting of connected networks.
Have a copy of these manuals available at unit start−up.

  50HCQ

Содержание WeatherMaster 50HCQ

Страница 1: ...al Connections 16 Field Power Supply 16 Units with Factory Installed Non Fused Disconnect 17 Units without Factory Installed Non Fused Disconnect 18 Convenience Outlets 18 Factory Option Thru Base Con...

Страница 2: ...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 DAN...

Страница 3: ...trols 0 Electro mechanical Controls can be used with W7212 EconoMi er IV Non Fault Detection and Diagnostic 1 PremierLinkTM Controller 2 RTU Open Multi Protocol Controller 6 Electro mechanical with W7...

Страница 4: ...4 C160133 Fig 2 Unit Dimensional Drawing 07 08 Size Units 50HCQ...

Страница 5: ...5 C160134 Fig 2 Unit Dimensional Drawing 07 08 Size Unit cont 50HCQ...

Страница 6: ...6 C10588 Fig 3 Unit Dimensional Drawing 09 Size Units 50HCQ...

Страница 7: ...7 C10589 Fig 3 Unit Dimensional Drawing 09 Size Unit cont 50HCQ...

Страница 8: ...ical unit piping schematic unit size 09 4 row indoor coil with two compressor circuits is shown Dual function outdoor and indoor coils are designed to provide parallel coil circuits during evaporator...

Страница 9: ...A Closed Check Valve B Open Check Valve C Closed Check Valve D Open COMPRESSOR ACCUMULATOR HPS COMPRESSOR ACCUMULATOR HPS Filter Drier 2B 1B LPS LOC Acutrol DFT 1 Cooling Liquid Lines DFT 2 2A 1A 1D...

Страница 10: ...llation 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 Cur...

Страница 11: ...nd control wiring is to be routed through the basepan attach the accessory thru the base service connections to the basepan in accordance with the accessory installation instructions Slab Mount Horizo...

Страница 12: ...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 CH...

Страница 13: ...from falling into the conditioned space Due to electric heater supply duct will require 90 degree elbow WARNING Step 6 Rig and Place Unit Keep unit upright and do not drop Spreader bars are not requi...

Страница 14: ...7 Convert to Horizontal and Connect Ductwork when required Unit is shipped in the vertical duct configuration Unit without factory installed economizer or return air smoke detector option may be field...

Страница 15: ...ft the hood assembly with metal tray through the filter access opening and assemble per the steps outlined in Economizer Hood and Two Position Hood below Economizer Hood and Two Position Hood NOTE If...

Страница 16: ...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 external trap pitch the line a...

Страница 17: ...result in personal injury death or property damage Do not connect aluminum wire between disconnect switch and furnace Use only copper wire See Fig 19 WARNING COPPER WIRE ONLY ELECTRIC DISCONNECT SWIT...

Страница 18: ...pade connector from the 230 v connection and moving it to the 208 v 1 4 in male terminal on the primary side of the transformer Refer to unit label diagram for additional information Field power wires...

Страница 19: ...nect switch is open Other connection methods will result in the convenience outlet circuit being de energized when the unit disconnect switch is open See Fig 24 Using unit mounted convenience outlets...

Страница 20: ...Open controller is available as a factory installed option only Thermostat Install a Carrier approved accessory 2 stage Cooling Heating thermostat according to installation instructions included with...

Страница 21: ...ng one compressor on 08 09 systems compressor unloaded on 07 2 stage system Stage 2 Cooling both compressors run on 08 09 systems compressor full load on 07 2 stage system or Stage 1 Heating both comp...

Страница 22: ...DO 24Vac P3 7 to P3 5 Energize in COOL RVS2 DO 24Vac P3 6 to P3 4 Energize in COOL COMP 1 DO 24Vac P3 10 FPT REHEAT 6 COMP 2 DO 24Vac P3 8 REHEAT 8 HEAT 2 DO 24Vac E HEAT HC 1 TB4 1 COM 24Vac P3 3 HC...

Страница 23: ...he indoor access panel Heater modules slide into the compartment on tracks along the bottom of the heater opening See Fig 32 Fig 33 and Fig 34 Not all available heater modules may be used in every uni...

Страница 24: ...necessary Single Point Boxes without Fuses Unit heater applications not requiring supplemental fuses require a special Single Point Box without any fuses The accessory Single Point Boxes contain a set...

Страница 25: ...leted through harnesses connected to the CTB thermostat Field connections are made at a 16 pole terminal block TB1 located on the bottom shelf of the unit control box in front of the PremierLink contr...

Страница 26: ...26 C160124 Fig 39 Typical PremierLinkt Control Wiring Diagram 50HCQ...

Страница 27: ...devices Be sure the probe tip does not come in contact with any of the unit s heater surfaces Outdoor Air Temperature OAT Sensor The OAT is factory mounted in the EconoMi er2 FIOP or accessory It is...

Страница 28: ...sor 33ZCT55CO2 Space temperature and CO2 room sensor with override 33ZCT56CO2 Space temperature and CO2 room sensor with override and setpoint Table 9 Space Sensor Mode TB1 TERMINAL FIELD CONNECTION I...

Страница 29: ...11 IAQ COM OAQ COM RH COM Analog 4 20mA 12 CCN RED Digital 5VDC 13 OAQ SEN RH SEN Analog 4 20mA 14 CCN Gnd WHT Digital 5VDC 15 AUX OUT Power Exhaust Output Discrete 24VAC 16 CCN BLK Digital 5VDC LEGE...

Страница 30: ...minals on the CTB s THERMOSTAT connection strip for these Connect the thermostat s Y1 Y2 W1 W2 and G terminals to PremierLink TB1 as shown in Fig 45 If the 50HCQ unit is equipped with factory installe...

Страница 31: ...ndoor Air Quality Sensor For each sensor use two 2 conductor 18 AWG American Wire Gage twisted pair cables unshielded to connect the separate isolated 24 vac power source to the sensor and to connect...

Страница 32: ...int to read DIRTY Using Filter Timer Hours Refer to the PremierLinkt Controller Installation Start up and Configuration Instructions for instructions on using the PremierLink Configuration screens and...

Страница 33: ...Conductors and drain wire must be at least 20 AWG stranded and tinned copper Individual conductors must be insulated with PVC PVC nylon vinyl Teflon or polyethylene An aluminum polyester 100 foil shi...

Страница 34: ...connections to the RTU Open board NOTE The RTU Open controller acts as an intelligent imbedded thermostat A room thermostat cannot be used with the RTU Open controller J4 J2 J1 J5 J5 J22 J17 J19 J14...

Страница 35: ...35 C160125 Fig 56 Typical RTU Open Controller Wiring Diagram 50HCQ...

Страница 36: ...equired at this terminal to provide Run Enable status See Input Output section for additional instructions 2 These inputs are configurable If installed they take the place of the default input on the...

Страница 37: ...VAC See Fig 59 for internal connections at the T 59 Connect the SEN terminal BLU to the RTU Open controller at J20 1 Connect the COM terminal BRN to J20 2 Connect the SET terminal STO or BLK to J20 3...

Страница 38: ...is accessory detects plugged filters When installing this accessory the unit must be configured for filter status by setting MENU Config Inputs input 3 5 8 or 9 to Filter Status and normally open N O...

Страница 39: ...nted Equipment Toucht Interface The Equipment Touch interface is a wall mounted interface used to connect to the RTU Open controller to access the control information read sensor values and maintenanc...

Страница 40: ...e has just been formatted 2 flashes per second 4 flashes then pause Two or more devices on this network have the same MSTP network address 2 flashes per second On Exec halted after frequent system err...

Страница 41: ...r Enthalpy Switch Return Air Enthalpy Sensor CTB ECON P LINK to J4 2 or RTU Open to J2 6 C11161 Fig 67 Outside and Return Air Enthalpy Sensor Wiring Smoke Detectors Smoke detectors are available as fa...

Страница 42: ...s where one value is shown it is the same for either 208 or 230 volts 3 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply voltage is greater than 2 Use the foll...

Страница 43: ...4 21 7 25 0 69 72 80 80 67 69 252 255 72 76 80 80 71 74 256 259 73 77 80 80 72 75 257 260 77 81 80 90 76 79 261 264 110A 12 0 16 0 33 4 38 5 83 89 90 90 80 85 263 269 87 93 90 100 84 89 267 273 88 94...

Страница 44: ...21 7 25 0 68 71 80 80 66 69 252 255 72 75 80 80 70 73 256 259 73 76 80 80 71 74 257 260 76 80 80 80 76 78 261 264 110A 12 0 16 0 33 4 38 5 82 88 90 90 79 84 263 269 86 92 90 100 84 88 267 273 87 93 9...

Страница 45: ...75 80 80 71 75 280 283 74 79 80 80 75 79 284 287 75 80 80 80 76 80 285 288 79 83 80 90 81 84 289 292 110A 12 0 16 0 33 4 38 5 85 92 90 100 84 90 291 297 89 95 90 100 89 94 295 301 90 96 90 100 90 96 2...

Страница 46: ...90 78 82 314 317 82 86 90 90 83 87 318 321 83 87 90 90 84 88 319 322 87 91 90 100 88 92 323 326 110A 12 0 16 0 33 4 38 5 93 99 100 100 92 98 325 331 97 103 100 110 96 102 329 335 98 104 100 110 97 10...

Страница 47: ...68 80 80 66 68 253 255 117A 7 8 10 4 21 7 25 0 68 71 80 80 66 69 252 255 72 75 80 80 70 73 256 259 73 76 80 80 71 74 257 260 76 80 80 80 76 78 261 264 110A 12 0 16 0 33 4 38 5 82 88 90 90 79 84 263 26...

Страница 48: ...56 55 258 117A 7 8 10 4 21 7 25 0 71 74 80 80 71 74 271 274 75 78 80 80 75 78 275 278 76 79 80 80 76 79 276 279 79 83 80 90 81 83 280 283 110A 12 0 16 0 33 4 38 5 85 91 90 100 84 89 282 288 89 95 90 1...

Страница 49: ...92 117A 7 8 10 4 21 7 25 0 78 81 80 90 79 81 305 308 82 85 90 90 83 86 309 312 83 86 90 90 84 87 310 313 87 90 90 90 89 91 314 317 110A 12 0 16 0 33 4 38 5 93 98 100 100 92 97 316 322 97 102 100 110 9...

Страница 50: ...e installation Step 12 Install Accessories Available accessories include Roof Curb Thru base connection kit must be installed before unit is set on curb Manual outside air damper Two Position motorize...

Страница 51: ...r shaft and the blower shaft 2 Set the tension gauge to the desired tension see Table 1 in Fig 71 Place the large O ring at that point 3 Press the tension checker downward on the belt until the large...

Страница 52: ...4 C11504 Fig 72 Belt Drive Motor Mounting Pre Start and Start Up This completes the mechanical installation of the unit Refer to the unit s Service Manual for detailed Pre Start and Start Up instructi...

Страница 53: ...53 50HCQ...

Страница 54: ...dition Date 11 16 Printed in U S A Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50HCQ 7 9 03SI Replaces 50HCQ 7 9...

Страница 55: ...AIR INLET SCREENS ARE IN PLACE j VERIFY THAT UNIT IS LEVEL j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND VERIFY SETSCREW IS TIGHT j VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS...

Страница 56: ...USING CHARGING CHARTS GENERAL j ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS IF EQUIPPED j VERIFY SMOKE DETECTOR UNIT SHUTDOWN BY UTILIZING MAGNET TEST REPEAT PROCESS FOR 2 COMP...

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