Carrier CRECOMZR072A01 Installation Instructions Manual Download

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Fig. 23 — PremierLink™ Controller Wiring — Enthalpy Control (HH57AC077)

Fig. 24 — PremierLink™ Controller Wiring

NOTE: If PremierLink™ controller is grounded and actua

tor is grounded on common side, then common wire from

PremierLink controller J9-2 is not needed.

SAT

OAT

PNK

BLU

PL1-6

PL1-5

GRN

WHT

BLU

PNK

ORN

VIO

BRN

RED

BRN

GRN

RED

YEL

BLU

WHT

PNK

ORN

TRAN1

TB2

WHT

CLO1

BRN

BLK

WHT

PL1-1

TB2-C

BRN

ECONO

NOT

USED

BRN
GND

VIO
+4-20

SERVICE/

NAVIGATOR PORT

CCN/LEN

PWR

RED

CUT TO ISOLATE POWER SUPPLY TO CONTROLLER

SWITCH

GRN
RED
YEL
RED
BLU
RED

WHT
RED
PNK

RED
ORN

RED

ENTH

TSTAT CONTROL

BLU

SPT

COM

STO

COM

SAT

COM

OAT

COM

IAQI

COM

OAQ

BLU

BRN

RED

BRN

VIO

BRN

ORN

BRN

BLK

BRN

GRN

DDC

CONTROL

RMTOCC

CMPSAFE

FSD

SFS

NOT USED

RED

PNK

RED

WHT

RED

BLU

RED

YEL

RED

ORN
RED

ENTH

POSITION 0
POSITION 1

LEN
CCN

NO ACTION
LOAD FACTORY DEFAULTS ON POWERUP

1234

ECONO

NOT

USED

FAN

GRN

CMP1

YEL

CMP2

BLU

HS1

WHT

HS2

HS3/

EXH/

RVS

PNK ORNRED

PWR

RELAYS

RED

CUT FOR DUAL

TRANSFORMER

EQUIPMENT

BLK

WHT

RED

DISCRETE

0-20mA

DISCRETE

ANALOG

BRN

VIO

RED

PL1-2

PL1-3

FIELD

THERMOSTAT*

ECONO

PLUG

PL1

BLK

WHT

RED

ECONOMIZER

50TJ401148

(CRECOMZR010B00)

4-20mA
ECONO
MOTOR

FROM 24V

UNIT

TRANSFORMER

WHT

BLK

FROM
IGC-G

BLU

FROM

PL1-8

PNK

FROM

PL1-9

IGC

PL1

IGC

MGV

ORN

FROM
IGC-W

VIO

FROM

MGV-W2

RED

FROM
IGC-R

RED

ORN

PNK

WHT

BLU

YEL

GRN

RELAYS

BRN

BLK

BRN

BLU

DDC CONTROL

CMP SAFE

FSD

SFS

NOT USED

RMTOCC

TSTAT CONTROL

TB2

PremierLink

Control

Summary of Contents for CRECOMZR072A01

Page 1: ...to the equipment and any other safety precautions that apply Follow all safety codes Wear safety glasses and work gloves Use care in handling and installing this accessory 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...

Page 2: ...d relief air damper leakage requirements and when used with Carrier ComfortLink RTU Open Premierlink SystemVu or I O Flex control systems meet IECC 2015 section C403 2 4 7 for Fault Detection and Diagnostic requirements Note IECC 2015 section C403 2 4 7 1 requires differential return air sensor which must be ordered separately Outside air and return air volume dampers are AMCA Air Movement and Con...

Page 3: ...It is important that the damper be perfectly square in the unit 6 Reinstall the left side corner post on to the unit NOTE The corner post will sit behind the economizer shroud flange See Fig 5 Screw through the corner post and through the economizer shroud See Fig 3 and 5 7 Insert provided screw through the bottom left rear of the economizer and into the unit base See Fig 3 Reinstall the unit s le...

Page 4: ... 9 10 11 12 WHT WHT YEL PINK VIO BLK BLK BLK BLU RED RED RED 73 73 73 69 69 69 69 69 73 To Optional Enthalpy Sensor 500 OHM Resistor Actuator Outside Air Sensor Units Left Side Panel Left Front Corner Post Screw Economizer Flange Economizer Shroud Jumper Plug Remove Harness Plug From Economizer Harness Plug From HVAC ...

Page 5: ...ood top Item 3 Align the central retainers to the holes located on the filter support Item 1 so the central retainer is perpendicular to the hood and each filter support Secure using the screws provided i Apply seal strip to top diverters Item 7 j Secure top diverters Item 7 to the hood top Item 3 k Install outdoor air screens by sliding them into each of the four spaces created by the hood filter...

Page 6: ... 3 3 Side Retainer 2 4 Hood Top 1 5 Left Hood Side 1 6 Right Hood Side 1 7 Top Diverters 2 8 Deflector 3 Apply seal strip to the front of this flange Apply seal strip to the back of this flange Apply seal strip to the back of this flange Apply seal strip to the back of this flange 7 7 3 5 6 8 8 2 8 6 4 2 1 2 Insert Air Screen Slide Into Position Outdoor Air Hood CRBARHOD001A00 Relief Hood Ordered ...

Page 7: ...ve and save the 12 pin jumper plug from the unit wiring harness See Fig 6 Insert the EconoMi er 2 plug into the unit wiring harness plug See Fig 6 NOTE The 12 pin jumper plug should be saved for future use in the event that the EconoMi er2 is removed from the unit The jumper plug is not needed as long as the EconoMi er 2 is installed 9 Install the provided bottom panel with the horizontal return d...

Page 8: ... 19 illustrates the installed barometric hood parts Fig 19 Installed Barometric Hood Side View and Isometric View For horizontal return and field installed economizer install the economizer as follows 1 Install the field provided horizontal ductwork onto the unit Duct height must be at least 19 1 2 inches high however the duct can be no taller than the top of the relief opening in the bottom panel...

Page 9: ...e 12 pin economizer harness pin 5 and 6 are used to connect the OAT sensor to the PremierLink board INDOOR AIR QUALITY CO2 SENSOR Mount the optional indoor air quality CO2 sensor according to manufacturer specifications A separate field supplied transformer must be used to power the CO2 sensor Wire the CO2 sensor to the COM and IAQI terminals of J5 on the PremierLink controller Refer to the Premie...

Page 10: ... 11 12 13 14 15 16 17 GRN DDC CONTROL RMTOCC CMPSAFE FSD SFS NOT USED RED PNK RED WHT RED BLU RED YEL RED 18 19 20 21 22 23 24 25 26 ORN RED ENTH POSITION 0 POSITION 1 1 LEN CCN 4 NO ACTION LOAD FACTORY DEFAULTS ON POWERUP 0 1 1234 ECONO J9 J7 NOT USED J8 FAN GRN CMP1 YEL CMP2 BLU HS1 WHT HS2 HS3 EXH RVS PNK ORNRED PWR RELAYS RED CUT FOR DUAL TRANSFORMER EQUIPMENT BLK WHT RED DISCRETE J4 0 20mA IN...

Page 11: ...eturn air enthalpy sensor to the enthalpy controller 2 At the enthalpy control remove the factory installed resistor from the SR and terminals 3 Connect the field supplied RED wire to spade connector on the return air enthalpy sensor and the SR terminal on the enthalpy controller Connect the BLK wire to S spade connector on the return air enthalpy sensor and the SR ter minal on the enthalpy contro...

Page 12: ...EQUIRES BOTH AN ENTHALPY SWITCH RECEIVER 33CSENTHSW AND AN ENTHALPY SENSOR 33CSENTSEN The enthalpy switch receiver is mounted in the outdoor air inlet and calculates outdoor air enthalpy The enthalpy sensor is mounted in the return airstream and calculates the enthalpy of the indoor air For differential enthalpy control the enthalpy switch receiver energizes the HI enthalpy relay output when the o...

Page 13: ...set point has not been reached By the time the CO2 level reaches the set point the damper will be at maximum ventilation and should maintain the set point In order to have the CO2 sensor control the economizer damper in this manner first determine the damper voltage output for minimum or base ventilation Base ventilation is the ventilation required to remove contaminants during unoccupied periods ...

Page 14: ... cooling occurs when there is no call from the thermostat except G Pre cooling is defined as the economizer modulates to provide 70 F supply air When free cooling is available the PremierLink control will control the compressors and economizer to provide a supply air temperature determined to meet the Y1 and Y2 calls from the thermostat using the following 3 routines The 3 control routines are bas...

Page 15: ... or right Actuator will move to its Control Signal position Actuator operates properly Step 8 Does not drive toward Control Signal Position Step 4 4 Make sure the control signal positive is connected to Wire No 3 and control signal negative is connected to Wire No 1 Most control problems are caused by reversing these two wires Verify that the reversing switch is all the CCW or CW Drives to Control...

Page 16: ...st 30 seconds The SPT SAT and OAT inputs must have valid readings OAT must be less than 75 F OAT must be less than SPT Enthalpy must be LOW may be jumpered if an enthalpy sensor is not available Economizer position is NOT forced When free cooling is available the outdoor air damper is positioned through the use of a Proportional Integral Derivative Loop PID control process to provide a calculated ...

Page 17: ... the number of heat stages is calculated otherwise the required number of heat stages will be set to 0 If the PremierLink controller determines that heat stages are re quired the economizer damper will be moved to minimum posi tion if occupied and closed if unoccupied Staging should be as follows IF HEATING PID STAGES 2 HEAT STAGES 1 50 capacity will energize HS1 HEAT STAGES 2 100 capacity will en...

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Page 20: ...ht to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53480313 01 Printed in U S A Form IIK CRECOMZR72 03 Pg 20 8 21 Replaces IIK CRECOMZR72 02 2021 Carrier ...

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