Haier GE NS17A18SA4 Service Manual

Haier GE NS17A18SA4 Service Manual

Single stage split system air conditioner up to 17 seer

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Service
Manual
31-5000748 Rev. 0
NS17AS
SINGLE STAGE SPLIT
SYSTEM AIR CONDITIONER UP
TO 17 SEER
KEEP THESE INSTRUCTIONS
Page 1
READ CAREFULLY.
31-5000748 Rev. 0 11-22 GEA
.

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Summary of Contents for Haier GE NS17A18SA4

  • Page 1 Service NS17AS SINGLE STAGE SPLIT Manual SYSTEM AIR CONDITIONER UP TO 17 SEER READ CAREFULLY. KEEP THESE INSTRUCTIONS 31-5000748 Rev. 0 11-22 GEA Page 1 31-5000748 Rev. 0...
  • Page 2: Table Of Contents

    SERVICE MANUAL NS17AS This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. Table of Contents WARNING Technical Specifications ..........3 Installation ..............7 Improper installation, adjustment, alteration, service Refrigeration Piping ...........10...
  • Page 3: Technical Specifications

    Technical Specifications MODEL NUMBER GUIDE N S S 17 A A 36 36 S S – – XX BRAND MAJOR / MINOR N-GE REVISION PRODUCT REFRIGERANT S-SPLIT 4-R410A SEER VOLTAGE A-208/230 1PH 60HZ APPLICATION DESIGN VARIANT A-AIR CONDITIONER H-HEAT PUMP S-1 STAGE COOLING CAPACITY (1000BTU/HR)
  • Page 4 SOUND RATINGS Estimated Sound Pressure (dBA) Approximate Distance Model Sound Power 3.3 Feet 6.6 Feet 9.8 Feet (1 Meter) (2 Meters) (3 Meters) NS17A18SA4 NS17A24SA4 NS17A30SA4 NS17A36SA4 NS17A42SA4 NS17A48SA4 NS17A60SA4 1 Rated in accordance with AHRI standard 270 (2015). AHRI Standard 270 establishes a method of rating outdoor unitary equipment in terms of Sound Power. 2 Rated in accordance with AHRI standard 275 (2018).
  • Page 5 REFRIGERATION DATA Outdoor Unit Indoor Unit Refrigerant Line Size Connection Connection Model Refrig. Charge (oz.) * Suction Liquid Suction Liquid Suction Liquid NS17A18SA4 H4TXV01 NS17A24SA4 H4TXV01 NS17A30SA4 H4TXV01 NS17A36SA4 H4TXV02 NS17A42SA4 H4TXV02 NS17A48SA4 H4TXV02 NS17A60SA4 H4TXV03 1-1/8 1-1/8 7/8** *Factory charged for 15 feet of line set ** Field supplied adapter required COOLING PERFORMANCE WITH DTC Outdoor Model...
  • Page 6 NOTE — Plumbing layout and compressor type may vary between model sizes. CONTROL COMPRESSOR DUAL RUN CAPACITOR THERMAL SWITCH GROUND LUG DISCHARGE LINE COMPRESSOR HARNESS CONNECTION CONTACTOR OUTDOOR COIL CUTOUT FOR HIGH VOLTAGE CONDUIT CONTROL WIRE LOOP CRANKCASE HEATER THERMOSTAT CRANKCASE HEATER SUCTION LINE SERVICE VALVE LIQUID LINE SERVICE VALVE...
  • Page 7: Installation

    These instructions are intended as a general guide and do When outdoor unit is connected to factory-approved indoor not supersede local codes in any way. Consult authorities unit, outdoor unit contains system refrigerant charge for who have jurisdiction before installation. operation with matching indoor unit when connected by 15 ft.
  • Page 8 Clearance Requirements DO LOCATE THE UNIT: When installing, allow sufficient space for airflow clearance, • With proper clearances on sides and top of unit wiring, refrigerant piping, and service. For proper airflow, • On a solid, level foundation or pad (unit must be level quiet operation and maximum efficiency.
  • Page 9 Torque Requirements Operating Service Valves When servicing or repairing heating, ventilating, and The liquid and vapor line service valves are used for air conditioning components, ensure the fasteners are removing refrigerant, flushing, leak testing, evacuating, appropriately tightened. Table 2 lists torque values for checking charge and charging.
  • Page 10: Refrigeration Piping

    Refrigeration Piping • Use only refrigerant grade copper tubes. • Split systems may be installed with up to 50 feet of line set (no more than 20 feet vertical) without special consideration (see long line set guidelines). • Ensure that vapor and liquid tube diameters are appropriate to capacity of unit.
  • Page 11 LINE SET IMPORTANT — Refrigerant lines must not contact structure. INSTALLATION REFRIGERANT LINE SET — INSTALLING Line Set Isolation — The following illustrations are VERTICAL RUNS (NEW CONSTRUCTION SHOWN) examples of proper refrigerant line set isolation: NOTE — Insulate liquid line when it is routed through areas where the surrounding ambient temperature could become higher than the REFRIGERANT LINE SET —...
  • Page 12 It is recommended that vertical suction risers not be up- STUB END sized. Proper oil return to the compressor should be TWO-PIECE PATCH PLATE LIQUID LINE (UNCASED COIL ONLY) maintained with suction gas velocity. ORIFICE EXPANSION HOUSING VALVE DISTRIBUTOR TUBES ®...
  • Page 13 1. Connect gauges and equipment as shown in Figure 7. CYLINDER CONTAINING GAUGE CLEAN R-410A TO BE Set the recovery machine for liquid recovery and start MANIFOLD USED FOR FLUSHING the recovery machine. Open the gauge set valves to (Positioned to deliver liquid refrigerant) allow the recovery machine to pull a vacuum on the HIGH...
  • Page 14 Refrigerant Piping - Install Indoor Expansion Valve This outdoor unit is designed for use in systems that include an expansion valve metering device (purchased separately) at the indoor coil. See the Product Specifications for approved expansion valve kit match-ups and application information. The check expansion valve unit can be installed internal or external to the indoor coil.
  • Page 15 Refrigerant Piping - Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the vapor and liquid line service of the line.
  • Page 16 WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the vapor valve stem port.
  • Page 17 Leak Test and Evacuation LEAK TEST HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN HFC-410A CONNECT GAUGE SET A - Connect the high pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE - Normally, the high pressure hose is connected to the liquid line port.
  • Page 18 EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve B - Connect high side of manifold gauge set to OUTDOOR MANIFOLD liquid line service valve...
  • Page 19: Electrical Wiring

    Ground unit at unit disconnect switch or to an earth Electrical Wiring ground. To facilitate conduit, a hole is in the bottom of the control box. Connect conduit to the control box All field wiring must be done in accordance with the National using a proper conduit fitting.
  • Page 20: Sequence Of Operation

    Refrigerant Charging Sequence of Operation CAUTION NOTE: The thermostat used may be electromechanical or electronic. Excessive amounts of liquid refrigerant entering the suction line can damage the compressor. When adding NOTE: Transformer in indoor unit supplies power (24 VAC) refrigerant, precautions must be taken to control the to the thermostat and outdoor unit controls.
  • Page 21: Maintenance

    NOTE: All unit table values are based on 70 to 80°F indoor return air temperature for cooling mode, and 65°F to 75°F return air temperature for heat mode. Maintenance Regular Maintenance Requirements Your system should be regularly inspected by a qualified service technician.
  • Page 22 WARNING To prevent personal injury, or damage to panels, unit or structure, be sure to observe the following: While installing or servicing this unit, carefully stow all removed panels out of the way, so that the panels will not cause injury to personnel, nor cause damage to objects or structures nearby, nor will the panels be subjected to damage (e.g., being bent or scratched).
  • Page 23: Wiring Diagram

    Wiring Diagram OUTDOOR DUAL TIMED OFF CAPACITOR TO 24 VAC POWER PURPLE CONTROL SOURCE BLACK 20 VA MINIMUM ORANGE NEC CLASS 2 YELLOW BLACK BLACK COMPRESSOR COMPRESSOR CONTACTOR GROUND CRANKCASE 208-230/ 60/ 1 HEATER GROUND YELLOW BLACK YELLOW YELLOW K1-1 208-230/ 60/ 1 HIGH PRESSURE...
  • Page 24: Servicing Units Void Of Charge

    Servicing Units Void of Charge System Refrigerant If the outdoor unit is void of refrigerant, clean the system This section outlines procedures for: using the procedure described below. Connecting gauge set for testing and charging; Leak check system using procedure outlined on Page Checking and adjusting indoor airflow;...
  • Page 25 Adding or Removing Refrigerant This system uses HFC-410A refrigerant which operates at much higher pressures than HCFC-22. The pre-installed liquid line filter drier is approved for use with HFC-410A only. Do not replace it with components designed for use with HCFC-22. This unit is NOT approved for use with coils which use capillary tubes or fixed orifices as a refrigerant metering device.
  • Page 26 °F °C Psig °F °C Psig -40.0 11.6 15.6 170.0 -37.2 14.9 18.3 185.0 -34.4 18.5 21.1 201.0 -31.7 22.5 23.9 217.0 -28.9 26.9 26.7 235.0 -26.1 31.7 29.4 254.0 -23.3 36.8 32.2 274.0 -20.6 42.5 35.0 295.0 -17.8 48.6 37.8 317.0 -15.0...
  • Page 27: Charge Labels

    Charge Labels AIR CONDITIONER CHARGING INFORMATION FOR COMPLETE CHARGING PROCEDURES, REFER TO THE APPLICABLE INSTALLATION AND SERVICE MANUAL AVAILABLE ONLINE Capacity -018 -024 -030 -036 -042 -048 -060 Table 1. Normal Operating Pressures ºF(ºC) TXV System - Liquid Line ( ± 10 psig ) / Suction Line ( ± 5 psig ) 65 (18) 222 / 139 228 / 137...
  • Page 28 AIRFLOW CHECK - Both airflow and refrigerant charge must be monitored for proper system set-up. It may be necessary to alternately check and adjust the airflow and the refrigerant charge. NOTE: Be sure that filters and indoor and outdoor coils are clean before testing. To determine temperature drop across indoor coil (Delta-T), measure the entering air dry bulb (DB) and wet bulb (WB) temperatures at the indoor coil.
  • Page 29: Start-Up And Performance Checklist

    Start-Up and Performance Checklist Job Name _________________________________________ Job no. _____________________________ Date ________________ Job Location ____________________________________________ City ______________________ State ____________________ Installer ________________________________________________ City ______________________ State ____________________ Unit Model No. _____________________ Serial No. __________________________ Service Technician ____________________ Nameplate Voltage __________________________________________________________________________________________ Rated Load Ampacity ________________ Compressor _______________________ Outdoor Fan ________________________ Maximum Fuse or Circuit Breaker _______________________________________________________________________________ □...
  • Page 30 All specifications and illustrations subject to change without notice and without incurring obligations. Printed in the U.S.A.

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