Installation Instructions - Carrier · UNIT CONFIGURATION UNIT FOOTPRINT SIZE Small Cabinet 46 3/4" x 74 3/8" Large Cabinet 58 1/2" x 88 1/8" Extra Large Cabinet 63 3/8" x 115 7/8"

1

SMALL ROOFTOP UNITSACCESSORY HORIZONTAL POWER EXHAUST

GAS HEATING/ELECTRIC COOLING, ELECTRICCOOLING, AND HEAT PUMP UNITS

3 TO 15 TONSIZES 04-016, 036-180

CRPWREXH028A01,CRPWREXH029A01,CRPWREXH082A00,CRPWREXH083A00For Use With HorizontalEconoMi$er IV, EconoMi$er 2,or EconoMi$er X (W7220)

Installation InstructionsTABLE OF CONTENTS

PACKAGE CONTENTS.............................................1PACKAGE USAGE....................................................1SAFETY CONSIDERATIONS...................................1GENERAL...................................................................1INSTALLATION....................................................2-11 Power Exhaust Wiring with ECONOMI$ER IV and ECONOMI$ER X...........................................4 Power Exhaust Wiring with EconoMi$er 2 and PremierLinkTM Control or RTU-MP/OPEN...........9 Operational Notes for Testing Purposes― PremierLink..........................................................10 Attaching Power Exhaust to Duct........................11

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, repair, or service air-conditioning equipment.Untrained personnel can perform the basic maintenance functions of replacing filters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precautions in the literature, tags, and labels attached to the unit, and other safety precautions that may apply.Follow all safety codes. Wear safety glasses and work gloves.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 these signal words; DANGER, WARNING, and CAUTION. 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 in-jury 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.

IMPORTANT: Read these instructions completely before attempting to install this accessory.

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WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could cause personal injury and/or death.Before beginning any modification, be certain that the main-line electrical disconnect switch is in the OFF position. Close the main gas supply shutoff valve. Tag disconnect switch and gas valve with suitable warning labels.

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PACKAGE CONTENTS

UNIT CONFIGURATION TABLE

PACKAGE USAGE

QTY CONTENTS1 Power Exhaust Hood/Fan Assembly1 Low Voltage Wiring Harness with plug ―

48 in. (1219mm)1 High Voltage Wiring Harness with plug ―

218 in. (5537mm)8 No. 10 x 3/4 in. (19mm) Mounting Screws

UNIT CONFIGURATION

UNITFOOTPRINT SIZE

Small Cabinet 46 3/4" x 74 3/8"Large Cabinet 58 1/2" x 88 1/8"

Extra Large Cabinet 63 3/8" x 115 7/8"

UNIT SIZE UNIT VOLTAGE

No. ofFANS

POWER EXHAUSTPART NUMBER

Small and Large Cabinet

208/230 V, 1 Ph 1 CRPWREXH028A01460 V, 3 Ph 1 CRPWREXH029A01

Extra Large Cabinet

208/230 V, 1 Ph 2 CRPWREXH082A00460 V, 3 Ph 2 CRPWREXH083A00

2

Fig 1 - Accessory Horizontal Power ExhaustTable 1 - Accessory Horizontal EconoMi$er Usage

Table 2 - Horizontal EconoMi$er UsageNOTE: Power Exhaust can also be used with horizontal economizers with the W7220 controller (EconoMi$er X)

GENERAL

The accessory horizontal power exhaust is used in conjunction with horizontal EconoMi$er IV, EconoMi$er X, or EconoMi$er2 only and is mounted external to the rooftop unit in the return air ductwork. For vertical return air applications, this power exhaust accessory cannot be used. The vertical power exhaust accessory must be used for vertical return air applications.NOTE: This accessory may be used with the horizontal or vertical EconoMi$er.See Table 1 and 2 for EconoMi$er usage. See Fig. 1 for accessory dimensions. The 028, 029 accessory weighs 30 lb (13.6 kg). The 082, 083 accessory weighs 75 lb (34 kg).NOTE: For 575-v installations, a field-supplied and installed transformer (part no. HT01AH859) must be used with 208/230 v power exhaust.

EXHAUST FAN(028A, 029A - Single Fan)(082A, 083A - Dual Fan, Not Shown)

XZ

Y

LOW VOLTAGEHARNESS

HIGH VOLTAGEHARNESS

REAR VIEW

BAROMETRICRELIEF DAMPER

FRONT VIEW

Power Exhaust "X" in (mm) "Y" in (mm) "Z" in (mm)CRPWREXH028A01

23.25 (590) 24.3 (625) 19.6 (495)CRPWREXH029A01CRPWREXH082A00

39 (990) 24.3 (625) 17.1 (435)CRPWREXH083A00

PART NO. UNIT SIZE DESCRIPTIONCRECOMZR024A02 Small Cabinet

EconoMi$er IV with W7212 ControllerCRECOMZR025A02 Large Cabinet

CRECOMZR064A00 Extra Large Cabinet

CRECOMZR026A00 Small CabinetEconoMi$er2 without Controller (for use with PremierLink controller or field-supplied building management system).CRECOMZR027A00 Large Cabinet

CRECOMZR065A00 Extra Large Cabinet

BASE RTU UNIT SERIAL # DESCRIPTIONFrom 4005Gxxxxx to current EconoMi$er IV with W7212 controller.

From 0802Gxxxxx to currentEconoMi$er2 without controller (used with PremierLink or field-supplied building management system).

CAUTIONCUT HAZARDFailure to follow this caution may result in personal injury.Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing furnace.

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3

C07419

Table 3 - Power Exhaust Electrical Data

Fig. 2 - Tab on Horizontal EconoMi$er

INSTALLATION

IMPORTANT: Follow all local and national electrical codes when installing accessory.Follow all local and NEC (National Electrical Code) codes. If a single power source is to be used, size the wire to include power exhaust MCA and MOCP. (See Table 3.)

ECONOMI$ERHOOD

BEND TAB BACKFOR POWEREXHAUST WIRING

POWER EXHAUSTPART NO.

MCA(230 v)

MCA(460 v)

MCA(575 v)

MOCP(for separate

power source)

CRPWREXH028A01 1.7 N/A 0.68 15CRPWREXH029A01 N/A 1.0 N/A 15CRPWREXH082A00 3.3 N/A 1.32 15CRPWREXH083A00 N/A 1.8 N/A 15

LEGENDMCA --- Minimum Circuit AmpsMOCP --- Maximum Overcurrent ProtectionN/A --- Not Applicable

NOTE: For R--410A units, refer to unit nameplate for MCA and MOCP for installed power exhaust. For R--22 units, use the calculations detailed below. If multiple power exhausts are used, the MCA value used in wire size calculations must be the sum of the number of individual power exhausts used.Check MCA and MOCP when power exhaust is powered through the unit (must be in accordance with NEC and/or local codes). Determine the new MCA including the power exhaust using the following formula:MCA New = MCA unit only + MCA of Power ExhaustFor example, using a R--22 gas heat, electric cooling, 6--ton unit with MCA = 28.9 and MOCP = 35, with CRPWREXH030A01 power exhaust.MCA New = 28.9 amps + 1.7 amps = 30.6 ampsIf the new MCA does not exceed the published MOCP, then MOCP would not change. The MOCP in this example is 35 amps, the MCA New is below 35, therefore the MOCP is acceptable. If “MCA New” is larger than the published MOCP, raise the MOCP to the next larger size.For separate power, the MOCP for the power exhaust will be 15 amps per NEC.NOTE: For 575--v installations, a field--supplied and installed transformer (part no. HT01AH859) must be used with 208/230--v power exhaust. See Fig. 5 for single fan units and Fig. 7 for dual fan units.The horizontal power exhaust can be used with 3 different types of EconoMi$ers. These instructions will clearly describe the installation and wiring for:• EconoMi$er IV with W7212 controller.• EconoMi$er X with W7220 controller.• EconoMi$er2 without controller (used with PremierLink

controller or a field-supplied building management system).

To install the horizontal power exhaust, perform the following procedure:1. Turn off unit power supply and install lockout tag.

WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could cause personal injury and/or death.Before beginning any modification, be certain that the main-line electrical disconnect switch is in the OFF position. Close the main gas supply shutoff valve. Tag disconnect switch and gas valve with suitable warning labels.

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2. If ductwork has not already been constructed and connected to HVAC (heating, ventilation and air conditioning) unit, field-fabricate and secure the return air duct per HVAC unit recommendations and the unit installation instructions.

3. Once the horizontal EconoMi$er has been installed, locate the notched tab in the upper left corner of the return damper. (See Fig. 2.) Bend back this tab to allow for power exhaust wiring entry.

4. Install the EconoMi$er per the instructions provided with the accessory. Tape the barometric relief blades on the EconoMi$er shut. The barometric relief is not used when the power exhaust is installed.

5. Cut an exhaust air opening in the side of the return air duct. See Fig. 3 for dimensions.

6. Place the power exhaust near the exhaust air opening in preparation for wiring to the unit. It may be easier to hold the power exhaust unit up to this opening and attach with a few screws and then remove so that the installation will be easier later when it is important that the wires are not pinched.

4

Fig. 3 - Tab on Horizontal EconoMi$er

Fig. 4 - Power Exhaust Harness Routing for EconoMi$er IV and EconoMi$er X

2.25”(57.15)

X

*36”(914.4)

21.5”(546.1)

Power Exhaust Wring for EconoMi$er IVand EconoMi$er X

1. Both wiring harnesses (low voltage and high voltage) are plugged together with the extensions at the factory for shipping. Unplug harnesses and uncoil wire. (See Fig. 1.)

2. For EconoMi$er IV: Route the other end of the low voltage extension harness to the EconoMi$er controller. (See Fig. 4.) The harness is connected to the controller by connecting the tan wire to the tan wire 24 VAC COM terminal on the controller. The terminal on the gray wire is connected to terminal EF1 on the controller. See Fig. 5 – Fig. 8 for EconoMi$er wiring diagrams. Install the gray jumper wire on the controller from the exhaust fan terminal (EF), to the 24 VAC HOT terminals. The gray jumper is shipped wire tied to the control harness.

For EconoMi$er type with W7220 controller: Route the end of the low voltage extension harness to the EconoMi$er X 12 pin plug (PL6). The gray wire harness connects to the yellow wire coming from terminal 8 in the 12 pin plug. The tan wire from the low voltage extension harness connects to the brown wire coming from terminal 4 in the 12 pin plug. See figures 5-8 for wiring diagrams.

3. The power line wiring harness must be routed through the duct, through the hole created by the bent tab on the EconoMi$er, and through the unit to the control box. (See Fig. 4.) The harness must be routed through the grommets provided in the unit control box. Do not drill routing holes.

4. Wire the end of the power line wiring harness to the power exhaust power source. (See Fig. 5 – Fig. 8.) R-410A Rooftop Models Only: For single point wiring applications, connect the power exhaust power wire harness to the compressor contactor in the control box. Install the power exhaust power wire harness into the pressure lugs on the compressor contactor, used for the field power wiring also. Be careful not to route power exhaust harness on top of indoor coil. Follow all local and NEC (National Electrical Code) codes. If a single power source is to be used, size the wire to include power exhaust MCA and MOCP.

5. Make sure all wiring is secure. Use field-supplied wire ties if necessary. Be sure that wiring does not interfere with operation of the HVAC unit, EconoMi$er, or power exhaust.

6. Connect the low voltage harness plug and the power line harness plug to the two plugs coming out of the power exhaust. (See Fig. 4.)

RETURNAIR DUCT†

POWER EXHAUSTAIR OPENING

POWER EXHAUST(PREFERRED LOCATION)

HORIZONTAL DUCT

POWER EXHAUST(ALTERNATE LOCATION)

ECONOMI$ER HOOD

ECONOMI$ER IV CONTROLLER

COIL

FILTER

POWER HARNESS CONTROL BOX

LOW VOLTAGE EXTENSIONHARNESS FROM POWEREXHAUST KIT

Power Exhaust "X" in (mm)CRPWREXH028A01

19.5 (495)CRPWREXH029A01CRPWREXH082A00

35 (890)CRPWREXH083A00

NOTES:Dimensions are in inches. Dimensions in ( ) are in millimeters.* Recommended distance if space allows.† May require bracing due to the weight of the power exhaust.

7. Follow control and power wiring instructions specific to this economizer and unit control.

IMPORTANT: To achieve higher levels of exhaust air, multiple power exhaust accessories may be used. If more than one power exhaust is being installed, cut additional openings in the ductwork.

5

Fig. 5 - Single Fan Power Exhaust Wiring for EconoMi$er IV and EconoMi$er X - 208/230 and 575 V Units

GR

EE

N - Y

ELL

OW

GREEN

TAN TAN

TAN

WH

ITE

RE

DB

LAC

K

GRAY GRAY

TAN

BLA

CK

BLACK EXH.FAN #1

C1

GRD.BLU

E

BROWN

RELAY

24 VACCOM

24 VACHOT

EF1

+

1 3

7 9

4 6

2

2

3

BLACK

BLUEA B

POWER LINEPLUG

END SWITCHPLUG

ECONOMI$ERCONTROLLER

TO ECONOMI$ERACTUATOR

575V

TO 575V POWER

PRIMARY

SECONDARY

220V

BLAC

K

BLU

E

FOR 575-V POWER SUPPLY

OR

POWER EXHAUSTACCESSORY

EF

FIELD

POWER

SUPPLY

BLK

YEL

BLU

GRN/YEL

To C11

To C23

To IFC13

(ROOFTOP CONTROL BOX)

GRD.

3

4

2

1

3

4

2

1

3

4

2

1

1

4

3

2

1

4

3

2GRAY

NOTES:

1

2

3

4

575 V transformer No. HT01AH859 is ordered separately from power exhaust.Economizer actuator and controller are shipped withthe Economizer - not with power exhaust.Connections from low voltage plug to Economizercontroller are made by installer.If a single power source is to be used, size wire toinclude power exhaust MCA and MOCP.For R-410A units, refer to unit nameplate for MCAand MOCP for installed power exhaust.For R-22 units, use the following calculationsCheck MCA and MOCP when power exhaust is poweredthrough the unit. Determine the new MCA including the power exhaust using the following formula:MCA New = MCA unit only + MCA of Power ExhaustFor example, using an electric cooling, 6-tonR-22 unit with MCA + 28.9 and MOCP = 35, withCRPWREXH030A01 power exhaust.MCA New = 28.9 amps + 1.5 amps = 30.4 ampsIf the new MCA does not go over the MOCP published,then MOCP would not change. The MOCP in thisexample is 35 amps, the MCA New is below 35,therefore the MOCP is OK. If “MCA New” is larger thanthe published MOCP, raise the MOCP to the next larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

Field Supplied Wiring

TRANSFORMERNO. HT01AH859

(FIELD-SUPPLIEDAND INSTALLED)

FOR 208/230-V SEPARATEPOWER SUPPLY FIELD

SUPPLIEDFUSED

DISCONNECT

GROUND

FIELD SUPPLIED 2 X 4 JUNCTION BOX

C10543

1 2 3 4 5 6 7 8 9 10 11 12

1234 GRAY

TAN

PL-6

BR

N

YE

L

ECONOMI$ER X

6

Fig. 6 - Single Fan Power Exhaust Wiring for EconoMi$er IV and EconoMi$er X - 460 V Units

1 2 3 4 5 6 7 8 9 10 11 12

1234 GRAY

TAN

BR

N

YE

L

ECONOMI$ER X

PL-6

WH

ITE

BLAC

K

WH

ITE

24VCOM

24VHOT

+

TAN

TAN

BLAC

KR

ED

BLUE

GR

EEN

RED

WH

ITE

BLAC

K

REDGREEN


A B

8 9

1 2 3

7

54 6

RELAY #1

1

2

BLACK

EF1


ENDSWITCH

PLUG

POWERLINEPLUG

OR

FIELD SUPPLIED2 x 4 JUNCTION BOX

GROUND

SEPARATEPOWEWSOURCE

GRAY

GRAY

GRAY

1

EF

To C11

To C23

To IFC13

(ROOFTOP CONTROL BOX)

EQUIP GNDGRD.

NOTES:

1

2

3

Economizer actuator and controller are shipped withthe Economizer - not with power exhaust.Connections from low voltage plug to Economizercontroller are made by installer.If a single power source is to be used, size wire toinclude power exhaust MCA and MOCP.For R-410A units, refer to unit nameplate for MCAand MOCP for installed power exhaust.For R-22 units, use the following calculationsCheck MCA and MOCP when power exhaust is poweredthrough the unit. Determine the new MCA including the power exhaust using the following formula:MCA New = MCA unit only + MCA of Power ExhaustFor example, using an electric cooling, 6-tonR-22 unit with MCA + 28.9 and MOCP = 35, withCRPWREXH030A01 power exhaust.MCA New = 28.9 amps + 1.5 amps = 30.4 ampsIf the new MCA does not go over the MOCP published,then MOCP would not change. The MOCP in thisexample is 35 amps, the MCA New is below 35,therefore the MOCP is OK. If “MCA New” is larger thanthe published MOCP, raise the MOCP to the next larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.


FIELD

POWER

SUPPLY

GRN/YEL

YEL

BLK

BLU

1

4

32

1

4

32

1

4

3

2

FIELDSUPPLIED

FUSEDDISCONNECT

NW

OR

B

GREEN-YELLOWEXH.FAN #1

1

4

32

1

4

32

GRAY GRAY

GRAY

TAN

POWER EXHAUSTACCESSORY

C10544

7

Fig. 7 - Dual Fan Power Exhaust Wiring for EconoMi$er IV and EconoMi$er X - 208/230 V and 575 V Units

GREEN - YELLOW

GR

EE

N -

YE

LLO

W

GREEN

TAN TAN

WH

ITE

RE

DB

LAC

K

GRAY GRAY

BLA

CK

BLA

CK

BLACKBLACK EXH.FAN #1

EXH.FAN #2

GRD.

GRD.

BLU

E

BLU

E

BROWN BROWN

RELAY


24 VACHOT

24 VACCOM

EF 1

+

3

1

2A B

1 3

7 9

4 6

4

BLACK

REDEND

SWITCHPLUG

POWER LINEPLUG

C1 C2

TRANSFORMERNO. HT01AH859

(FIELD-SUPPLIEDAND INSTALLED)

575V

TO 575V POWER

PRIMARY

SECONDARY

220V

BLA

CK

RE

D

OR

FIELDSUPPLIED

FUSEDDISCONNECT

FIELD SUPPLIED 2 X 4 JUNCTION BOX

GROUND

FOR 575-V POWER SUPPLY

FOR 208/230-V SEPARATEPOWER SUPPLY

2

ECONOMI$ERCONTROLLER 2

3

POWEREXHAUSTACCESSORY

EF

NOTES:


1

2

3

4

FIELD

POWER

SUPPLY

BLK

YEL

BLU

GRN/YEL

To C11 for Small and Large CabinetTo IFC-11 for Extra-Large Cabinet

To C13 for Smalland Large Cabinet

To IFC13 forExtra-Large Cabinet

575 V transformer No. HT01AH859 is ordered separately from power exhaust.Economizer actuator and controller are shipped withthe Economizer - not with power exhaust.Connections from low voltage plug to Economizercontroller are made by installer.If a single power source is to be used, size wire toinclude power exhaust MCA and MOCP.For R-410A units, refer to unit nameplate for MCAand MOCP for installed power exhaust.For R-22 units, use the following calculationsCheck MCA and MOCP when power exhaust is poweredthrough the unit. Determine the new MCA including the power exhaust using the following formula:MCA New = MCA unit only + MCA of Power ExhaustFor example, using an electric cooling, 6-tonR-22 unit with MCA + 28.9 and MOCP = 35, withCRPWREXH030A01 power exhaust.MCA New = 28.9 amps + 1.5 amps = 30.4 ampsIf the new MCA does not go over the MOCP published,then MOCP would not change. The MOCP in thisexample is 35 amps, the MCA New is below 35,therefore the MOCP is OK. If “MCA New” is larger thanthe published MOCP, raise the MOCP to the next larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

GRAY

TAN3

1

2

4

3

1

2

4

1

2

3

4

1

2

3

4

C10426

1 2 3 4 5 6 7 8 9 10 11 12

1234 GRAY

TAN

PL-6

BR

N

YE

L

ECONOMI$ER X

8

Fig. 8 - Dual Fan Power Exhaust Wiring for EconoMi$er IV and EconoMi$er X - 460 V Units

WHITE

GRD

WH

ITE

BLA

CK

BLA

CK

WH

ITE

TAN

GRAY

+

GRAY

TAN

BLA

CK

RE

D

BLUEBLUE

REDGREEN

AA BB

89

11 22 33

77

54 66

EXH.FAN #1

EXH.FAN #2

3

12

3

12

4

33

1122

44

4

1

2

BLACKBLACK

BR

OW

N

BR

OW

N

RELAY #2

45

8

EF 1

24VHOT

24VCOM

1

OR

1

2

4

3

GROUND

GR

EE

N

RE

D

WH

ITE

BLA

CK

GRAYGRAY

9

GRAY

GRAY

EF

NOTES:

1

2

3

FIELD

POWER

SUPPLY

BLK

YEL

BLU

To C11 for Small andLarge CabinetTo IFC-11 forExtra-Large Cabinet

To C13 for Smalland Large Cabinet

To IFC13for Extra-LargeCabinet

EQUIPGND

GRN/YEL

SEPARATEPOWERSOURCE

FIELDSUPPLIED

FUSEDDISCONNECT

FIELD SUPPLIED2 x 4 JUNCTION BOX

POWERLINEPLUG

RELAY #1

GREEN - YELLOW POWEREXHAUSTACCESSORY



ENDSWITCH

PLUG


Economi$er actuator and controller are shipped with the Economi$ernot with power exhautst.Connections from low voltage Plug to the Economi$er controller are madeby installer.If a single power source is to be used, size wire to include power exhaustMCA and MOCP.For R-410A units, refer to the unit nameplate for MCA and MOCP forinstalled power exhaust.For R-22 units use the following calculations Check MCA and MOCP when power exhaust is powered through the unit.Determine the new MCA including the power exhaust using the followingformula:MCA New = MCA unit only + MCA of Power ExhaustFor example, using an electric cooling, 6-ton R-22 unit with MCA = 28.9 andMOCP = 35, with CRPWREXH030A01 power exhaust.MCA New = 28.9 amps + 1.5 amps = 30.4 ampsIf the new MCA does not go over the MOCP published, then MOCP wouldnot change. The MOCP in this example is 35 amps, the MCA New is below35, therefore the MOCP is OK. If “MCA NEW” is larger than the publishedMOCP, raise the MOCP to the next larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

GRAY

TAN

C10427

1 2 3 4 5 6 7 8 9 10 11 12

1234 GRAY

TAN

BR

N

YE

L

ECONOMI$ER X

PL-6

9

Fig. 9 - Power Exhaust Installed in Duct

Fig. 10 - Power Exhaust Performance

0

1000

2000

3000

4000

5000

0 0.1 0.2 0.3 0.4 0.5

EXH

AU

ST A

IRFL

OW

(CFM

)

RETURN DUCT STATIC PRESSURE (in WC)

Small andLargeCabinet(Single Fan)

Extra LargeCabinet(Dual Fan)

* Use alternate location if preferred location causes recirculation of exhaust air into outdoor air intake.

HORIZONTAL POWER EXHAUST(PREFERRED LOCATION*)

HORIZONTALECONOMI$ERHOOD

HORIZONTAL POWER EXHAUST(ALTERNATE LOCATION)

Power Exhaust Wiring with EconoMi$er2, Comfortlink and PremierLink Controller or RTU--MP/OPENUse these instructions when installing the vertical power exhaust with EconoMi$er2 and PremierLink or RTU--MP/OPEN controller.1. A low voltage extension harness is supplied with the EconoMi$er2

(without controller).2. Both the low voltage and power harness must be run through the

duct, through the hole created by the bent tab on the EconoMi$er2, and through the unit control box. (See Fig. 9.)

3. Run the low voltage harness extension to the PremierLink control.

4. Route the other end of the long high voltage extension harness through the HVAC unit to the control box. (See Fig. 4.) The harness must be routed through the grommets provided in the unit. Do not drill routing holes. Be careful not to route the power exhaust harness on top of the indoor coil.

5. Wire the end of the power line wiring harness to the power exhaust power source. (See Fig. 5 -- Fig. 8.)

R-410A Rooftop Models Only: For single point wiring applications, connect the power exhaust

power wire harness to the compressor contactor in the control box. Install the power exhaust power wire harness into the pressure lugs on the compressor contactor, used for the field power wiring also. Follow all local and NEC (National Electrical Code) codes. If a single power source is to be used, size the wire to include power exhaust MCA and MOCP. (See Table 3.)

10

6. Field--Installed PremierLink Control (See Fig. 12) Connect the gray wire from the low voltage extension harness to

J8--3 and the tan wire to common terminal. Common is available from PremierLink terminal J1 or the common side of the unit control power transformer (the brown leads that go to unit ground). The other end of the harness is connected to the power exhaust wiring.

NOTE: When the PremierLink board is configured for a heat pump, it does not require the HS3/EXH/RVS, allowing this terminal to be used for the power exhaust.

Factory--Installed PremierLink Control The PremierLink J8--3 terminal is factory wired to a terminal

board TB2--15 (Small & Large Cabinet) or TB3--15 (Extra Large Cabinet) located in the low voltage section to the left of the control box. The gray wire from the harness should be routed and wired to TB2--15 or TB3--15. The tan wire should be routed and wired to the Central Terminal Board Thermostat Terminal C (Common).

RTU--MP/OPEN Control Connect the gray wire from the low voltage harness extension to

J11--3 and the tan wire to the Central Terminal Board Thermostat Terminal C (Common).

Comfortlink Control Connect the gray wire from the low voltage harness extension to

the loose red wire from the Economizer Control Board (EBC). Connect the tan wire to the loose tan wire from PL7.

7. Make sure all wiring is secure. Use field-supplied wire ties if necessary. Be sure that wiring does not interfere with operation of the HVAC unit, EconoMi$er, or power exhaust.

8. Connect the low voltage harness plug and the power line harness plug to the two plugs coming out of the power exhaust. (See Fig. 9.)

Operational Notes For Testing Purposes— PremierLinkIf the “continuous power exhaust” function is disabled, the power exhaust fan will operate during EconoMi$er purge cycles when the EconoMi$er damper position is above the configured minimum value. If enabled, the power exhaust fan will follow the supply fan’s operation for PremierLink version 1.2 and will follow the occupancy configuration for PremierLink version 1.3.The PremierLink “Auxiliary Output” function defines the specific use of the auxiliary output (HS3/EXH/RVS) for the power exhaust. The output will be energized or deenergized by the appropriate algorithm that uses that specific output. A setting of 1 = Exhaust fan output.The Power Exhaust set point in the set point table determines the power exhaust damper “percent open” when the power exhaust is energized. The damper percentage set point has a 10% hysteresis.If “Continuous” in the service configuration table is set to “enable”, the power exhaust output will energize when occupied (for PremierLink controls version 1.3 and later) and will be energized when the supply fan relay is on (for versions prior than 1.3).

Fig. 11 - Harness Routing for EconoMi$er with PremierLink Controls(R-22 Equipped Models)

C07424

LOW VOLTAGE EXTENSION HARNESS TO PREMIERLINK

POWER HARNESS

POWER EXHAUST (PREFERRED LOCATION)

HORIZONTALDUCT

POWER EXHAUST(ALTERNATE LOCATION)

ECONOMI$ER 2HOOD

COIL

FILTERS

11

Fig. 12 - Typical PremierLink Control Wiring To R-22 Equipped Rooftop Units

PWR

HS3/EXH/RVS

HS2

HS1

CMP2

CMP1

FAN

RED

ORN

PNK

WHT

BLU

YEL

GRN

BRN

RED

RED

CU

T FO

R D

UA

LTR

AN

SFO

RM

ER

EQ

UIP

ME

NT

RE

LAY

S

CU

T TO

ISO

LATE

CO

NTR

OLL

ER

PO

WE

R

PW

RJ1

J8

R

Y1

Y2

W1

W2

G

C

X

ROOFTOP UNIT

GRNREDYEL

BLU

RMTOCC

CMPSAFE

FSDREDWHT SFSREDPNKREDORNRED

ENTH

NOT USED

DIS

CR

ETE

J4

DDC CONTROLRED

RED

PREMIERLINKTERMINAL

J8

C07491

Attaching Power Exhaust to Duct1. Caulk the side mating flanges on the power exhaust. Lift

power exhaust and install over the duct opening using the screws (no. 10 x 3/4 in.) provided. (See Fig. 9.) Make sure wiring harnesses are properly secured.

IMPORTANT: The return air duct will need to support theweight of the power exhaust. Reinforce or support ductproperly to prevent damage to duct from the weight of thepower exhaust.1. Adjust the power exhaust set point on the EconoMi$er

controller to the desired activation point.2. Return power to unit and remove lockout tag.3. Test power exhaust operation by setting the power exhaust

set point on the EconoMi$er controller to 0%. Power exhaust performance is shown in Fig. 10.

12

Copyright 2013 Carrier Corporation ● 7310 W. Morris St. ● Indianapolis, IN

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

Catalog No. IIK-CRPWREXH028-05Edition Date: 10/13

Replaces: IIK-CRPWREXH028-04

Documents

Installation Instructions - Carrier · UNIT CONFIGURATION UNIT FOOTPRINT SIZE Small Cabinet 46 3/4" x 74 3/8" Large Cabinet 58 1/2" x 88 1/8" Extra Large Cabinet 63 3/8" x 115 7/8"