Nortek 1RP24K Series Installation Instructions Manual Download Page 13

Page: 13 / 16

Figure 8. Wiring Diagram for *SH3QE4M Units with Scroll Compressors (3.0, 3.5 & 4.0T)

OUTDOOR

FAN M

OTO

CAP

CIT

(SINGLE PHASE)

FIELD SUPPL

GRD

OUNDING

SCREW

CONT

COMPRESSOR

Y2 IN

FAN2

CCH2

CCH1

W2 IN

Y1 IN

(24V COM)

OUTDOOR

TEMP

Y1 OUT

LP1

LP2

HP1

HP2

DEFR

OST CONTR

ARD

BLA

YELLO

W BLA

BLA

CK/

BLA

WHITE

ORANGE

BLUE

COIL#1

TEMP

CCH

HPS

COIL SENSOR

HGBP

AMB SENSOR

THERMOST

FAN1

W2 OUT

Y2 OUT

RED/RED BLA

BLA

ODT

LPS

ODT

Y2 IN

FAN1

FAN2

CCH2

CCH1

W2 IN

Y1 IN

(24V COM)

OUTDOOR

TEMP

Y1 OUT

LP1

LP2

HP1

HP2

COIL#1

TEMP

Split System Heat Pump (Outdoor Section)

Single Phase

WIRING DIA

GRAM

TES:

Disconnect all po

wer bef

ore servicing.

For suppl

y connections use copper conductor

s onl

Not suitable on systems that e

xceed 150 v

olts to gr

ound

For replacement wires use conductor

s suitable f

or 105˚ C.

For ampacities and o

ver

current pr

otection,

see unit rating plate

Connect to 24 v

ac/40v

a/c

lass 2 cir

cuit.

See furnace/air handler

installation instructions f

or contr

ol cir

cuit and optional

rela

y/transf

ormer kits.

Caution:

The Lo

Voltage wiring shall NO

T be gr

ounded to this unit.

Couper le courant

ant de faire letretien.

Emplo

yez uniquement des conducteur

s en cuivre

Ne con

vient pas aux installations de plus de 150 v

olt a la terre

10398350

7/21

FIELD

WIRING

LEGEND:

HIGH

AL CAP

CIT

COMPRESSOR

OUTDOOR F

AN M

OTO

DEFR

OST CONTR

OL BO

ARD

208/230V

CCH

LPS

HPS

HGBP

COIL SENSOR

AMB SENSOR

THERMOST

AMB SENSOR - Ambient Sensor

CC - Contactor Coil

CCH - Crankcase Heater

HPS - High Pressure Switc

HGBP - Hot Gas By

alve

VS - Re

ver

sing

alve Solenoid

ODT - Outdoor

Thermostat

* HARD ST

T KIT (OPTIONAL)

LPS -Lo

w Pressure Switc

W2 OUT

Y2 OUT

(Replaces 10252920)

SEE NO

TES

6 AND

SEE NO

TES

6 AND

BROWN

BLA

YELLOW

BLA

BLACK

Summary of Contents for 1RP24K Series

Page 1: ...mer s package for future reference DO NOT DESTROY PLEASE READ CAREFULLY KEEP IN A SAFE PLACE FOR FUTURE REFERENCE IMPORTANT SAFETY INFORMATION 2 HEAT PUMP INSTALLATION 3 General Information 3 Before You Install this Unit 3 Packaging Removal 3 Locating the Heat Pump 3 Clearance Requirements 3 Ground Level 3 Roof Mount 3 Accessory Mounting Kits 3 INSTALLATION VERIFICATION OF THE SYSTEMS EXPANSION DE...

Page 2: ... the instructions provided with the equipment priortoperformingtheinstallationandoperationalcheckout of the equipment When refrigerant tubing and electrical wiring penetrates a structures envelope the openings should be made to be suitably water tight after their installation This unit is designed for outdoor installations only and should be positioned as shown on page 3 IMPORTANT SAFETY INFORMATI...

Page 3: ...ine the best location for mounting the outdoor unit Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance See Figure 1 for minimum clearances to obstructions Overhead obstructions Figure 1 poorly ventilated areas and areas subject to accumulation of debris should be avoided The unit should not be placed under roofing or othe...

Page 4: ...rs and connect them in accordance with the following 1 Inspect the outside of the couplings and ensure that they are free of any dirt or debris Clean if necessary 2 Removetheprotectivecapsandplugsfromthecouplingsto bejoined Inspecttheinteriorofthecoupling Ifnecessary clean the interior of the coupling with a clean soft lint free rag or cloth Ensure that o ring is in place and that the threads are ...

Page 5: ... the refrigerant system to air to prevent accumulation of moisture and other contaminants CAUTION When connecting refrigerant line sets together it is highly recommended that dry nitrogen be flowing through the joints during brazing to prevent internal oxidation and scaling Copper oxides internal to the system can damage the compressors bearings and seals block small orificesandmicrochannelsorothe...

Page 6: ...n device and refrigerant charging procedures for proper and efficient system operation Therefrigerantchargecanbecheckedandadjustedthrough the service ports provided external to the outdoor unit Use only gage line sets which have a Schrader depression device present to actuate the valve An automatic high pressure switch is factory installed installed in these units and is located on the discharge l...

Page 7: ... outdoor unit field wiring interfaces Figure 7 page 12 and Figure 8 page 13 Make all electrical connections in accordance with all applicable codes and ordinances Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes See the unit rating plate for minimum circuit ampacity MCA and maximum o...

Page 8: ...nepressureis530psigorgreater thentheHeatPump Mild Weather Control Kit is required to be installed on the system Alternately the control system could be configured to utilize the emergency or auxiliary heating means in order to maintain reliable system operation Air Circulation Indoor Blower 1 Set the thermostat system mode on OFF and the fan mode to ON 2 Verify the blower runs continuously Check t...

Page 9: ...then REMOVE refrigerant If your measured superheat at the suction valve isGREATERTHANtherecommendedsuperheat value in the table then ADD refrigerant For TXV systems If your measured subcooling at the liquid valve is LESSTHANtherecommendedsubcoolingvalue in the table then ADD refrigerant If your measured subcooling at the liquid valve is GREATER THAN the recommended subcooling value in the table th...

Page 10: ...iquid valve is LESSTHANtherecommendedsubcoolingvalue in the table then ADD refrigerant If your measured subcooling at the liquid valve is GREATER THAN the recommended subcooling value in the table then REMOVE refrigerant If the outdoor temperature is below 35 degrees F After completing the refrigerant line connections leak checking the system and evacuating the indoor section and all line connecti...

Page 11: ...d Figure 6 for panel installation Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary Do not attempt to add additional oil or grease to motors unequipped with oil tubes or grease fittings Most outdoor unit motors are manufactured with sealed permanently lubricated bearings that are designed for the life of the equipment without ...

Page 12: ...s that exceed 150 volts to ground 4 For replacement wires use conductors suitable for 105 C 5 For ampacities and overcurrent protection see unit rating plate 6 Connect to 24 vac 40va class 2 circuit See furnace air handler installation instructions for control circuit and optional relay transformer kits 7 Caution The Low Voltage wiring shall NOT be grounded to this unit 1 Couper le courant avant d...

Page 13: ...ound 4 For replacement wires use conductors suitable for 105 C 5 For ampacities and overcurrent protection see unit rating plate 6 Connect to 24 vac 40va class 2 circuit See furnace air handler installation instructions for control circuit and optional relay transformer kits 7 Caution The Low Voltage wiring shall NOT be grounded to this unit 1 Couper le courant avant de faire letretien 2 Employez ...

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Page 16: ...allon MO Nortek Global HVAC LLC 2022 All Rights Reserved REPLACEMENT PARTS Replacement parts are available through your distributor Please have the complete model and serial number of the unit when ordering replacement parts ELECTRICAL Capacitors Temperature Limit Switches Compressors Thermostats Contactors Time Delay Relays Pressure Switches Transformers Relays MOTORS Blower Motor Fan Motor COMPO...

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Nortek 1RP24K Series, Installation Instructions Manual

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