Weil-McLain WM2AC13018 Installer's Information Manual

13 seer condensing unit
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INSTALLER'S INFORMATION MANUAL
ATTENTION, INSTALLER!
system, show the user how to turn off electricity to the unit.
Point out control and switch locations for turning off
electricity. Make sure the user understands the importance
of following all safety precautions, including what could
happen if they don't.
Keep the following documents in a safe, accessible
location. Tell the user where these documents are located:
Installer's Information Manual
Parts List
Warranty Information
While these instructions have been written as accurately
and thoroughly as possible, they may not cover every
system
variation
or
contingency.
interpretation may arise. For more information, solutions to
particular problems or clarification, contact your local
distributor or the manufacturer.
WARNING:
Individuals who install this equipment, must have the training and experience necessary to install comfort
air conditioning appliances.
household service box. Improper installation could void the warranty; create a hazard, resulting in the possibility of damage,
injury or death.
13 SEER CONDENSING UNIT
After installing the
Questions
of
Before performing any work on this equipment, the power supply must be turned off at the
ATTENTION, USER!
should give you the important documents listed above. You
should become familiar with these instructions, as it will be
helpful in avoiding any needless service costs or
operational problems.
Keep these instructions as long as
you keep your equipment for future reference. If any of the
documents are missing or illegible, contact your installer or
equipment manufacturer for replacement.
Throughout this manual, when we use the word "you" we
refer to the qualified service technician who is responsible
for application, installation and service of your equipment.
While these instructions are addressed primarily to the
installer, useful maintenance information is included. Have
your installer acquaint you with the operating characteristics
of the product and periodic maintenance requirements.
Your equipment installer
816010

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Summary of Contents for Weil-McLain WM2AC13018

  • Page 1 13 SEER CONDENSING UNIT INSTALLER'S INFORMATION MANUAL ATTENTION, INSTALLER! ATTENTION, USER! After installing the Your equipment installer system, show the user how to turn off electricity to the unit. should give you the important documents listed above. You Point out control and switch locations for turning off should become familiar with these instructions, as it will be electricity.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION 1. GENERAL INFORMATION ................2 SECTION 2. MEETING CODES ..................... 3 SECTION 3. DETERMINING CONDENSER LOCATION ............3 SECTION 4. REFRIGERANT PIPING CONNECTIONS ............4 SECTION 5. ELECTRICAL CONNECTION ................5 SECTION 6. REFRIGERANT CHARGE.................. 6 SECTION 7.
  • Page 4: Section 4. Refrigerant Piping Connections

    A minimum clearance of 18 inches is required for service at Provide sufficient clearance from shrubs to allow adequate the control panel access. A 12 inch clearance is required air to pass across the outdoor coil without leaves or for the air inlet to the outdoor coil around the perimeter of branches being pulled into the coil.
  • Page 6: Section 6. Refrigerant Charge

    Be sure to ground the condensing unit by securing the SUBCOOLING CHARGING METHOD ground wire to the grounding lug inside the control The subcooling charging method is to be used on units box. which have Thermostatic Expansion Valve (TXV) as the Be sure to follow National Electrical Code and all local expansion device.
  • Page 7: Section 7. Checkout Procedure

    SECTION 7. CHECKOUT SECTION 8. MAINTENANCE PROCEDURE CAUTION: Be sure the unit disconnect is in the CHECKOUT PROCEDURE OFF position and that all electrical power to the unit is turned off before cleaning the system. Use the following list to see that nothing was over looked: Have all braze joints on refrigerant lines been leak The following maintenance points should be reviewed checked?
  • Page 8 Subcooling Chart for units with Thermostatic Expansion Valves Remove Refrigerant Add Refrigerant OUTDOOR TEMPERATURE (deg F) Figure 3. Subcooling Charging Chart...
  • Page 9: Section 9. Trouble-Shooting Chart

    SECTION 9. TROUBLE-SHOOTING CHART WARNING: Disconnect all power to unit before servicing. Failure to shut off power can cause electrical shock resulting in personal injury or death. Symptom Possible Cause Correction • • Unit will not operate Power disconnected or loose connection Check voltage at contactor in condensing unit •...

Table of Contents