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Installation Guide for NHPA Split-System Heat Pumps

17

REPLACEMENT PARTS GUIDE

NHPA 3000 SERIES

ITEM

DESCRIPTION

NHPA-418

NHPA-424

1

Contactor

14262082

14262082

2

Dual Capacitor

14225376 

30-5 mFd / 

370V

14225375 

35-5 mFd / 

370V

3

Low Pressure Switch

14265028

14265028

4

High Pressure Switch

14265027

14265027

5

Compressor

14210241

14210242

6

Liquid Service Valve

14258603A

14258603A

7

Vapor Service Valve

14258608

14258608

8

Condenser Coil

14208370

14208370

9

Motor

0.25 HP 1500 RPM

 

14270049

 

14270049

10

14” Prop Fan

14214033

14214033

11

Motor Mount

14270102

14270102

12

Access Panel 3000

14256780

14256780

13

Top Panel 3000

14256303

14256303

14

Right Side Panel

14256310

14256310

15

Left Side Panel

14256309

14256309

16

Wire Grille 3000

14269003A

14269003A

17

Radial Fan Mount

14256304

14256304

18

Touch Up Paint

14299630

14299630

ITEM

DESCRIPTION

NHPA-418

NHPA-424

19

Rev. Valve Solenoid 

14206027

14206027

20

Rev. Valve

14206031

14206031

21

Defrost Board

14260020

14260020

22

Defrost T-Stat

14260023

14260023

23

Pan Heater

14299104

14299104

24

Thermal Switch

14299107

14299107

25

TXV

14211019

14211019

26

Accumulator

14255009

14255009

Summary of Contents for NHPA 3000 Series

Page 1: ...lation National Comfort Products A Division of National Refrigeration Air Conditioning Products Inc 539 Dunksferry Road Bensalem PA 19020 215 244 1400 1 800 523 7138 Fax 215 639 1674 HEATING A C EQUIP...

Page 2: ...Leak Checking Page 8 Evacuation Electrical Connections Page 9 High Voltage and Power Supply Page 10 Start Up Sequence of Operations Page 10 Refrigerant Charging Page 12 Maintenance Checkout Procedure...

Page 3: ...y grounded Failure to do so can cause electrical shock resulting in severe personal injury or death WARNING These instructions are intended as an aid to qualified licensed service personnel for proper...

Page 4: ...uctions do not cover all variations in systems or provide for every possible contingency to be met in connection with the installation Should further information be desired or should particular proble...

Page 5: ...ved by NCP to maintain unit performance and warranty Care must be taken to locate coil intake side of unit away from loose debris that may clog intake 7 If the unit is mounted behind a decorative gril...

Page 6: ...ted Isolate lines from all ductwork Minimize the number of 90 turns Maximum Allowable Liquid Line Pressure Drop 50 PSI Subtract 43 PSI for each foot of Liquid Lift if any Do Not Exceed this value when...

Page 7: ...he heat pump should not block access to major components Refrigerant lines should not be in direct contact with the floor or ceiling joists Use insulated or suspension type hangers When refrigerant li...

Page 8: ...valent length of refrigerant lines exceeds 50 ft Leak Checking Leak checking of refrigerant line braze joints and evaporator unit using dry nitrogen 1 Install service port cap of the vapor line servic...

Page 9: ...onnected Electrical Connections NOTE Make certain that the volts hertz and phase correspond to that specified on the unit rating plate and that the service provided by the utility is sufficient to han...

Page 10: ...l stop On a call for heating the room heat pump thermostat makes circuits R G and R Y Circuit R G energizes the indoor blower motor relay Circuit R Y energizes the contactor starting the compressor an...

Page 11: ...nder the coil must be piped per item number 12 under the Unit Location Considerations section of this manual System Charge Adjustment Temperature Measurements Check the outdoor temperatures Subcooling...

Page 12: ...Operation Compressor Damage Do not operate with a restricted suction Do not operate with the low pressure cut out bridged Do not operate compressor without enough system charge to maintain at least 0...

Page 13: ...ng for leaks and suction line insulation Improper insulation can cause condensate water damage 6 Pressure and temperature readings of high and low side of system should be checked for proper super hea...

Page 14: ...Reading between Terminals C R __________ 5 Compressor Winding OHM Reading between Terminals R S __________ 6 Compressor Winding OHM Reading between Terminals C Ground __________ 7 Compressor Winding O...

Page 15: ...Installation Guide for NHPA Split System Heat Pumps 15...

Page 16: ...00 19 000 ELECTRICAL 208 230 60 1 12 13 78 20 208 230 60 1 10 16 8 25 Volts Hertz Phase Min AWG Wire Min Cir Ampacity Max Fuse COMPRESSOR 9 0 56 3 10 9 62 9 RLA Amps LRA Amps FAN MOTOR 0 25 1500 1 4 0...

Page 17: ...5 HP 1500 RPM 14270049 14270049 10 14 Prop Fan 14214033 14214033 11 Motor Mount 14270102 14270102 12 Access Panel 3000 14256780 14256780 13 Top Panel 3000 14256303 14256303 14 Right Side Panel 1425631...

Page 18: ...ndard AHRI 270 2008 As an option we offer an Insulated Sound Cover for installation over the inside cover of the unit Sound Without Indoor Cover 70 4 dba Standard AHRI 350 2008 Sound With Indoor Cover...

Page 19: ...all other warranties express or implied arising by operation of law or otherwise including without limitation merchantability and fitness for a particular purpose whether or not the purpose or use has...

Page 20: ...ial number whichever occurs first then Customer may take the compressor to any Authorized Copeland Distributor for replacement of said compressor If the defect is reported to National Comfort after on...

Page 21: ...ta Limitations All installations should factor a proper building heat gain along with appropriate duct sizing and electrical supply wiring to be figured by a professional engineer familiar with local...

Page 22: ...____________________ ________________________________________________________________________ ________________________________________________________________________ _________________________________...

Page 23: ...____________________ ________________________________________________________________________ ________________________________________________________________________ _________________________________...

Page 24: ...Installation Guide NHPA Heat Pump 14299144 7 2016 National Comfort Products 539 Dunksferry Road Bensalem PA 19020 5908 800 523 7138 Fax 215 638 1674 HEATING A C EQUIPMENT NATIONAL COMFORT PRODUCTS...

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