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THIS MANUAL MUST BE LEFT WITH THE 

BUILDING OWNER FOR FUTURE REFERENCE

 WARNING

Improper installation, adjustment, alteration, service 

or maintenance can cause property damage, personal 

injury or loss of life. Installation and service must  be 

performed by a licensed professional HVAC installer or 

equivalent, or service agency.

 IMPORTANT

The Clean Air Act of 1990 bans the intentional venting of 

refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992. 

Approved methods of recovery, recycling or reclaiming 

must be followed. Fines and/or incarceration may be 

levied for noncompliance.

 WARNING

This product contains a chemical known to the State 

of California to cause cancer, birth defects, or other 

reproductive harm.

 CAUTION

As with any mechanical equipment, contact with sharp 

sheet metal edges can result in personal injury. Take 

care while handling this equipment and wear gloves and 

protective clothing.

INSTALLATION 

INSTRUCTIONS

HEAT PUMPS 

7.5 AND 10 TONS

507744-01

11/2017

Elite Class

 ELP Series  

7.5 and 10 Ton

Shipping and Packing List 

Check the unit for shipping damage. If damaged or parts 

are missing, immediately contact the last shipping carrier.

1 -  Assembled outdoor unit
1 -  Installation instructions

Outdoor Unit 

ELP Series heat pumps, which will also be referred to in 

this instruction as the outdoor unit, uses HFC-410A refrig-

erant. This outdoor unit must be installed with a matching 

indoor unit and line set as outlined in the EL Series Engi-

neering Handbook. 
This outdoor unit is designed for use in thermal expansion 

valve (TXV) systems only.

Table of Contents

Shipping and Packing List  .............................................1

Outdoor Unit  ..................................................................1

Unit Dimensions, Corner Weights and Centers of Gravity  .2

Unit Plumbing Parts Arrangement ..................................3

Model Number Identification 

 ..........................................4

Unit Control Box Components Arrangement ..................4

Rigging the Unit for Lifting  .............................................4

Installation Clearances  ..................................................5

Line Set  .........................................................................5

Electrical Connections  ...................................................5

Refrigerant Charge  ........................................................9

System Operation  ........................................................12

Defrost System  ............................................................12

Defrost Control Board  ..................................................12

Maintenance  ................................................................13

Summary of Contents for ELP090S4S

Page 1: ...tective clothing INSTALLATION INSTRUCTIONS HEAT PUMPS 7 5 AND 10 TONS 507744 01 11 2017 Elite Class ELP Series 7 5 and 10 Ton Shipping and Packing List Check the unit for shipping damage If damaged or...

Page 2: ...HOLES For Rigging FRONT VIEW TOP VIEW FORKLIFT SLOTS Both Sides SIDE VIEW 1108 48 3 4 1238 3 1 2 89 1149 FF EE INLET AIR INLETAIR B B AA CC DD CENTER OF GRAVITY ELECTRICAL INLETS Above Refrigerant Li...

Page 3: ...ITCH S24 CTXV SENSING BULB DEFROST SWITCH LOCATION S6 REVERSING VALVE CHECK EXPANSION VALVE CTXV ELP120S4S HIGH PRESSURE SWITCH S4 PRESSURE SWITCH S192 DEFROST SWITCH LOCATION S6 REVERSING VALVE LIQUI...

Page 4: ...ressor Unit Control Box Components Arrangement ELP090S4S AND ELP120S4S TRANSFORMER T1 CONTACTOR K1 RUN CAPACITORS C1 C2 GROUND LUG TERMINAL STRIP TB14 DEFROST CONTROL BOARD Rigging the Unit for Liftin...

Page 5: ...LP090 5 8 16mm 1 1 8 29mm ELP120 5 8 16mm 1 1 8 29mm Refrigerant Line Limitations You may install the unit in applications that have line set lengths of up to 50 linear feet 15 m with refrigerant line...

Page 6: ...DELS NOTE ANY EXCESS HIGH VOLTAGE FIELD WIRING SHOULD BE TRIMMED AND SECURED AWAY FROM ANY LOW VOLTAGE FIELD WIRING ROUTE EARTH GROUND THROUGH LEFT CUTOUT AND CONNECT TO GROUND LUG 2 TYPICAL HIGH VOLT...

Page 7: ...S C D TIGHTEN WIRE TIE TO SECURE 24VDC CONTROL WIRING NOTE FOR PROPER VOLTAGES SELECT THERMOSTAT WIRE CONTROL WIRING GAUGE PER TABLE ABOVE NOTE WIRE TIE PROVIDES LOW VOLTAGE WIRE STRAIN RELIEF AND MAI...

Page 8: ...ISCONNECT ALL POWER BEFORE SERVICING 7 C2 C2 B5 MOTOR OUTDOOR FAN 2 CAPACITOR OUTDOOR FAN 2 1 4 K10 1 2 1 K8 1 2 8 5 K8 2 CB8 CIRCUIT BREAKER TRANS T1 S9 T1 TRANSFORMER CONTROL SWITCH DEFROST COMPRESS...

Page 9: ...gerant is added or removed 2 Minor variations in these pressures may be expected due to differences in installations Significant differences could mean that the system is not properly charged or that...

Page 10: ...d TABLE 4 HFC 410A Normal Operating Pressures Cooling Mode Liquid 10 and Suction 5 psig Temp ELP090 ELA090 ELP120 ELA120 Liquid Suction Liquid Suction 65 F 18 C 226 119 247 132 75 F 24 C 261 125 291 1...

Page 11: ...30 475 6 146 579 8 38 113 6 54 152 8 69 197 3 85 254 1 100 317 2 116 396 0 131 481 6 147 586 8 39 115 8 55 155 5 70 200 6 86 258 0 101 321 8 117 401 3 132 487 8 148 593 8 40 118 0 56 158 2 71 203 9 87...

Page 12: ...s with defrost control 100269 02 The factory de fault defrost interval is 60 minutes Units with defrost control 100269 04 or higher The fac tory default defrost interval is 90 minutes If the timing se...

Page 13: ...rmal operation Alternating Slow Flash 5 min anti short cycle delay Fault and Lockout Codes OFF Slow Flash Loss of Charge Fault OFF ON Loss of Charge Lockout Slow Flash OFF High Pressure Fault ON OFF H...

Page 14: ...e or Circuit Breaker Electrical Connections Tight Indoor Filter clean Supply Voltage Unit Off Indoor Blower RPM S P Drop Over Indoor Dry Outdoor Coil Entering Air Temp Vapor Pressure Refrigerant Lines...

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