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Installer’s Guide

April 2020

 SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, 
and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or 
altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.

M4AC6018A1000A
M4AC6024A1000A
M4AC6030A1000A
M4AC6036A1000A
M4AC6042A1000A
M4AC6048A1000A

Note: 

“Graphics in this document are for representation only. 

Actual model may differ in appearance.”

Split System Cooling

M4AC6

88-M4PW003-1B-EN

Summary of Contents for M4AC6

Page 1: ...installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all pre cautions in the literature and on the tags sticke...

Page 2: ...L COMPONENTS During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Failure to follow all electrical safety precau tions...

Page 3: ...ers are shown in Table 5 1 Note For other line lengths Refer to Refriger ant Piping Application Guide SS APG006 EN or Refrigerant Piping Software Program 32 3312 03 or latest revision When mounting th...

Page 4: ...or unit a minimum of 12 from any wall or surrounding shrubbery to ensure adequate airflow Outdoor unit location must be far enough away from any structure to prevent excess roof runoff water from pour...

Page 5: ...4 3 8 3 4 3 8 M4AC6030A 3 4 3 8 3 4 3 8 M4AC6036A 7 8 3 8 3 4 3 8 M4AC6042A 7 8 3 8 3 4 3 8 M4AC6048A 7 8 3 8 3 4 3 8 Section 5 Refrigerant Line Considerations 5 1 Refrigerant Line and Service Valve C...

Page 6: ...or other framing in a structure use isolation type hangers Isolation hangers should also be used when refrigerant lines are run in stud spaces or enclosed ceilings Where the refrigerant lines run thr...

Page 7: ...e or other appropriate method every 8 ft 8 Feet Maximum Isolation Through Wall DO NOT hang line sets from ductwork Sealant Insulation Vapor Line Wall Ductwork Isolator Line Set Section 7 Refrigerant L...

Page 8: ...orrect direction of refrigeration flow away from outdoor unit and toward evapo rator coil as illustrated Braze the filter drier to the Liquid Line Continue the dry nitrogen purge Do not remove the wet...

Page 9: ...t Line Leak Check 8 1 Check For Leaks STEP 1 Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen 150 PSIG Section 9 Evacuation 9 1 Evacuate the Refrigerant Lines and In...

Page 10: ...check and evacuation must be completed before opening the service valves STEP 1 Remove service valve cap STEP 2 Fully insert 3 16 hex wrench into the stem and back out counterclockwise until valve st...

Page 11: ...HEAT 1st STAGE HEATING 2nd STAGE EMERGENCY HEAT Pink White O Y1 Y2 BK WH BLK BK WH BLK With Furnace With Variable Speed Furnace Units with pigtails require wirenuts for connections Cap all unused wire...

Page 12: ...requirements LIVE ELECTRICAL COMPONENTS During installation testing servicing and troubleshooting of this product it may be nec essary to work with live electrical components Failure to follow all ele...

Page 13: ...ging above 55 F ambient outdoor tem perature Weigh In Method can be used for initial installation or system replacement when power is not available or when the desired temperatures for the standard ch...

Page 14: ...GING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE Add 2 REFRIGERANT LINE LIFT FT 030 Units 50 1 40 30 25 Use Design Subcooling 15 1 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Add 1 REFRI...

Page 15: ...iquid Temperature row Table 14 2 8 9 10 11 12 13 14 179 182 185 188 191 195 198 195 198 201 204 208 211 215 211 215 218 222 225 229 232 229 232 236 240 243 247 251 247 251 255 259 263 267 271 267 271...

Page 16: ...Pressure __________ PSI STEP 8 Verify typical performance Refer to System Pressure Curves in the Service Facts to verify typical performance Example only see Service Facts PRESSURE CURVES FOR 4TTX504...

Page 17: ...suction lines and fittings 3 Properly secure and isolate all refrigerant lines 4 Seal passages through masonry If mortar is used prevent mortar from coming into direct contact with copper tubing 5 Ve...

Page 18: ...A C T O R C O I L L O W V O L T A G E F U S E S T U C K C O M P R E S S O R I N E F F I C I E N T C O M P R E F U N D E R C H A R G E R E F O V E R C H A R G E E X C E S S I V E E V A P L O A D N O N...

Page 19: ...ntrol fuse Is the control transformer and fuse good Jumper R to Y low voltage terminals at thermostat sub base Does the contactor energize Replace the room thermostat Repair or replace transformer or...

Page 20: ...r NO Check for locked rotor Is voltage present at C to S and C to R with locked rotor amps on C YES Check Start Capacitor and Relay if present and Run Capacitor Do the start components and run capacit...

Page 21: ...88 M4PW003 1B EN 21 PRINTED FROM D157394P01 6018 6024 Models 6030 6036 Models PRINTED FROM D158514P01 SECTION 16 Refrigeration Circuits...

Page 22: ...22 88 M4PW003 1B EN PRINTED FROM D156020 6042...

Page 23: ...88 M4PW003 1B EN 23 6048 Printed from D159175...

Page 24: ...r com The AHRI Certified mark indicates company participation in the AHRI Certification program For verification of individual certified products go to ahridirectory org The manufacturer has a policy...

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