Haier GE NS16AS Service Manual
Haier GE NS16AS Service Manual

Haier GE NS16AS Service Manual

Single stage split system air conditioner up to 16 seer
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Service
NS16AS
SINGLE STAGE SPLIT
Manual
SYSTEM AIR CONDITIONER UP
TO 16 SEER
READ CAREFULLY.
.
KEEP THESE INSTRUCTIONS
31-5000749 Rev. 0 11-22 GEA

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Summary of Contents for Haier GE NS16AS

  • Page 1 Service NS16AS SINGLE STAGE SPLIT Manual SYSTEM AIR CONDITIONER UP TO 16 SEER READ CAREFULLY. KEEP THESE INSTRUCTIONS 31-5000749 Rev. 0 11-22 GEA...
  • Page 2: Table Of Contents

    SERVICE MANUAL NS16AS 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 or Refrigeration Piping ...........11...
  • Page 3: Technical Specifications

    Technical Specifications MODEL NUMBER GUIDE N S S 16 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) NS16A18SA4 NS16A24SA4 NS16A30SA4 NS16A36SA4 NS16A42SA4 NS16A48SA4 NS16A60SA4 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 (2010).
  • Page 5 REFRIGERATION DATA Refrigerant Line Size Outdoor Unit Connection Indoor Unit Connection Refrig. Charge Model (oz.) * Suction Liquid Suction Liquid Suction Liquid NS16A18SA4 H4TXV01 NS16A24SA4 H4TXV01 NS16A30SA4 H4TXV01 NS16A36SA4 H4TXV02 NS16A42SA4 H4TXV02 NS16A48SA4 H4TXV02 NS16A60SA4 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...
  • 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

    Installation These instructions are intended as a general guide and do not supersede local codes in any way. Consult authorities who have jurisdiction before installation. NOTE: In some cases, noise in the living area has been traced to gas pulsations from improper installation of equipment. •...
  • Page 8 Clearance Requirements Rooftop Installations When installing, allow sufficient space for airflow clearance, Install unit at a minimum of 6” above surface of the roof wiring, refrigerant piping, and service. For proper airflow, to avoid ice buildup around the unit. Locate the unit quiet operation and maximum efficiency.
  • Page 9 The gauges should be rated for use with pressures of 0 - 800 psig on the high side and a low side of 30” vacuum to 250 psig with dampened speed to 500 psi. Gauge hoses must be rated for use at up to 800 psig of pressure with a 4000 psig burst rating.
  • Page 10 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 11: Refrigeration Piping

    It is recommended that vertical suction risers not be up- Refrigeration Piping sized. Proper oil return to the compressor should be maintained with suction gas velocity. • Use only refrigerant grade copper tubes. Filter Drier • Split systems may be installed with up to 50 feet of The filter drier is very important for proper system operation line set (no more than 20 feet vertical) without special and reliability.
  • Page 12 Use a field-provided fitting to temporarily reconnect the liquid line to the indoor unit’s liquid line orifice housing. NOTE STUB END In lieu of R-410A, an industry-standard flushing agent TWO-PIECE PATCH PLATE LIQUID LINE may also be used. (UNCASED COIL ONLY) ORIFICE EXPANSION HOUSING...
  • Page 13 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 14 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 15 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 16 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 17 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 18: 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 19 HIGH PRESSURE SWITCH (S4) — LIQUID LINE CRANKCASE HEATER (HR1) CRANKCASE THERMOSTAT (S40) Figure 9. Typical Factory Wiring Diagram (Copeland Compressor) Page 19 31-5000749 Rev. 0...
  • Page 20 THERMAL PROTECTION SWITCH (S5 OR S173) HIGH PRESSURE SWITCH (S4) — LIQUID LINE CRANKCASE HEATER (HR1) CRANKCASE THERMOSTAT (S40) Figure 10. Typical Factory Wiring Diagram (Interlink Compressor) Page 20 31-5000749 Rev. 0...
  • Page 21: 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 22: Maintenance

    • For systems below 60°F – charge in heating mode using the subcooling method and table provided on the unit access panel. Attach low pressure gauge hose to auxiliary service port to access suction side in heating mode. Remove two NOTE: All unit table values are based on 70 to 80°F screws at top indoor return air temperature for cooling mode, and 65°F...
  • Page 23 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 24: Wiring Diagram

    Wiring Diagram Figure 13. A/C Single Phase Wiring Diagram Page 24 31-5000749 Rev. 0...
  • Page 25: 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 26 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 27 °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 28: Charge Labels

    Charge Labels 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) 230 / 137 230 / 133 227 / 135 230 / 136 224 / 136...
  • Page 29 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 30 AIR CONDITIONING CHARGING PROCEDURE 1. CHARGE THE SYSTEM BY WEIGHT, IN OUTDOOR TEMPERATURE IS BELOW 65º Outdoor units are factory charged with R410A for 15 ft. Of line set. Add or remove 0.6oz. For every foot of line set different than 15 ft. Final charge adjustment must be made per item (2) below, once the outdoor temperature rises above 65ºF.
  • Page 31: 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 32 All specifications and illustrations subject to change without notice and without incurring obligations. Printed in the U.S.A.

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