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18 SEER Inverter Condensing Units
User Manual
Model No.: 18S-EHVC24WD2V
18S-EHVC48WD2V
18S-EHVH24WD2V
18S-EHVH48WD2V
Thank you very much for purchasing our air conditioner. Please read this owen's manual carefully before
using your air conditioner.
18S-EHVC36WD2V
18S-EHVC60WD2V
18S-EHVH36WD2V
18S-EHVH60WD2V
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Table of Contents
Related Manuals for Emerson Quiet Kool 18S-EHVC24WD2V
Summary of Contents for Emerson Quiet Kool 18S-EHVC24WD2V
- Page 1 18 SEER Inverter Condensing Units User Manual Model No.: 18S-EHVC24WD2V 18S-EHVC36WD2V 18S-EHVC48WD2V 18S-EHVC60WD2V 18S-EHVH24WD2V 18S-EHVH36WD2V 18S-EHVH48WD2V 18S-EHVH60WD2V Thank you very much for purchasing our air conditioner. Please read this owen's manual carefully before using your air conditioner.
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Page 2: Table Of Contents
Safety Unit Location ConsiderationsSections Unit Preparation Setting the Unit Refrigerant Line Considerations Refrigerant Line Routing Refrigerant Line Brazing Refrigerant Line Leak Check Evacuation Service Valves Electrical-Low Voltage Electrical-High Voltage Start Up System Charge Adjustment THANK YOU Congratulations on your purchase and welcome to the Family. -
Page 4: Safety
SAFETY Important - This document contains a wiring diagram CAUTION and service information. This is customer property and is to remain with this unit. Please return to service informa- CON TAINS REFRIGERANT! tion pack upon completion of work. Failure to follow proper procedures can result in personal illness injury... -
Page 5: Unit Location Considerationssections
UNIT LOCATION CONSIDERATIONS 1.Unit Dimensions Unit Dimensions Models H x W x L( Inches) 24/36 24-15/16 x 29-1/8 x 29-1/8 48/60 32-7/8 x 29-1/8 x 29-1/8 The unit ’ s w eight values is on the carton box. When mounting the outdoor unit on a roof , be sure the roof will suppor t the unit’... - Page 6 2.3 Location Restrictions Ensure the top discharge area is unrestricted for Av oid Install at least 60 inches above the unit. Near Bedroom s Clearance must be provided in front of the control box (access panels) and any other side requiring service.
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Page 7: Unit Preparation
UNIT PREPARATION SETTING THE UNIT... -
Page 8: Refrigerant Line Considerations
REFRIGERANT LINE CONSIDERATINOS alve Connection Sizes 1. Refrig erant Line and Ser vice Table 5.1 Line Sizes Service Valve Connection Sizes Liquid Suction Line Liquid Line Suction Model Line Line Connection Connection 24/36 48/ 60 7/ 8 3/ 8 2. Required Refrigerant Line Length Determine required line length. -
Page 9: Refrigerant Line Routing
4. Reuse Existing Refrigerant Lines CAUTION If using existing refrigerant lines make certain that all joints are brazed, not soldered. For retrofit applications, where the existing refrigerant lines will be used, the following precautions should be taken: Ensure that the refrigerant lines are the correct size. -
Page 10: Refrigerant Line Brazing
8 Feet Maximum Wall Isolator Line Set 8 Feet Maximum Side View Secure Suction Line using isolators every 8 ft. Secure Liquid Line directly to Suction Line using tape, wire, or other appropriate method every 8 ft. Isolation In Wall Spaces Wall Sealant Ductwork... - Page 11 STEP 2 - Remove the pressure tap cap from both service valves. STEP 3 - Purge the refrigerant lines and indoor coil with dry nitrogen. This pipe must have a thimble STEP 4 - Wrap a wet rag around the valve body to avoid heat damage and continue the dry nitrogen purge.
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Page 12: Refrigerant Line Leak Check
STEP 5 - Replace the pressure tap caps after the service valves have cooled. REFRIGERANT LINE LEAK CHECK Check For Leaks STEP 1 - Pressurize the refrigerant lines and evapo - rator coil to 150 PSIG using dry nitrogen. STEP 2 - Check for leaks by using a soapy solution or bubbles at each brazed location. -
Page 13: Evacuation
EVACUATION Evacuate the Refrigerant Lines and Indoor Coil Important: Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete. 0350 STEP 1 - Evacuate until the micron gauge reads no higher than 350 microns, then close the valve to the vacuum pump. -
Page 14: Electrical-Low Voltage
ELECTRICAL - LOW VOLTAGE 1. Low Voltage Maximum Wire Length Table 11.1 defines the maximum total length of low Table 11.1 voltage wiring from the outdoor unit, to the indoor 24 VOLTS unit, and to the thermostat. WIRE SIZE MAX.WIRE LENGTH 18 AWG 150 Ft. - Page 15 THERMOSTAT OUTDOOR UNIT INDOOR UNIT Control Wiring for H/P Systems. Notes: 1. Be sure power supply agrees with equipment nameplate. 2. Power wiring and grounding of equipment must comply with local codes. Low voltage wiring to be No. 18 AWG minimum conductor. “-----”The electric auxiliary heat connection.
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Page 16: Electrical-High Voltage
ELECTRICAL - HIGH VOLTAGE 1. High Voltage Power Supply WARNING LIVE ELECTRICAL COMPONENTS! During installation, testing, servicing, and trouble - shooting of this product, it may be necessary to work with live electrical components. Failure to fol - low all electrical safety precautions when exposed to live electrical components could result in death or serious injury. -
Page 17: Start Up
START UP System Start Up STEP 1 have been completed. STEP 2 - Set System Thermostat to OFF. DO N E CANCEL STEP 3 - Turn on disconnect to apply power to the indoor and outdoor units. STEP 4 - Wait five (5) minutes before moving to Step 5 if no crankcase heater accessory is used, Wait one (1) hour before starting the unit if compres - 60 MIN. -
Page 18: System Charge Adjustment
SYSTEM CHARGE ADJUSTMENT charging: weigh- In Method weigh-In Method can be used for the Initial installation, or anytime a system charge is being replaced. weigh-In Method can also be used when power is not available to the equipment site or operating conditions (indoor/Outdoor tempera- tures) are not In range to verify with the subcooling charging method. - Page 19 Emerson Quiet Kool Co. Ltd. 120 US -46 Parsippany -Troy Hills, NJ 07054 Toll Free 1-888-493-0305 Version Update： --2021.5.0...