Carrier FZ4A Installation Instructions Manual

FZ4AInstallation InstructionsFAN COIL UNITSFOR R- 410A REFRIGERANTSIZES 024 TO 061NOTE: Read the entire instruction manual before starting theinstallation.TABLE OF CONTENTSPAGESAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . . . . . . . . . .INTRODUCTION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HEATER PACKAGES 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .INSTALLATION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Step 1 — Check Equipment 2. . . . . . . . . . . . . . . . . . . . . . . . .Step 2 — Mount Unit 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Step 3 — Air Ducts 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Step 4 — Electrical Connections 4. . . . . . . . . . . . . . . . . . . . .Step 5 — Refrigerant Tubing Connection and Evacuation 6. .Step 6 — Refrigerant Flow- Control Device 7. . . . . . . . . . . . .Step 7 — Condensate Drains 7. . . . . . . . . . . . . . . . . . . . . . . .Step 8 — Accessories 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Step 9 — Sequence of Operation 8. . . . . . . . . . . . . . . . . . . . .START- UP PROCEDURES 9. . . . . . . . . . . . . . . . . . . . . . . . . .CARE AND MAINTENANCE 9. . . . . . . . . . . . . . . . . . . . . . . .AIRFLOW PERFORMANCE TABLES 9. . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service, maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause death, personal injury or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. The qualifiedinstaller or agency must use factory- authorized kits or accessorieswhen modifying this product. Refer to the individual instructionspackaged with kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothingand work gloves. Have a fire extinguisher available. Read theseinstructions thoroughly and follow all warnings or cautionsincluded in literature and attached to the unit. Consult localbuilding codes and the current editions of the National ElectricalCode (NEC) NFPA 70.In Canada, refer to the current editions of the Canadian ElectricalCode CSA C22.1.Recognize safety information. This is the safety- alert symbol .When you see this symbol on the unit and in instruction manuals,be alert to the potential for personal injury.Understand the signal words DANGER, WARNING, andCAUTION. These words are used with the safety- alert symbol.DANGER identifies the most serious hazards which will result insevere personal injury or death. WARNING signifies hazardswhich could result in personal injury or death. CAUTION is usedto identify unsafe practices which may result in minor personalinjury or product and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation, reliability, oroperation.ELECTRICAL OPERATION HAZARDFailure to follow this warning could result in personal injuryor death.Before installing or servicing unit, always turn off all power tounit. There may be more than one disconnect switch. Turn offaccessory heater power if applicable. Lock out and tag switchwith a suitable warning label.! WARNINGCUT HAZARDFailure to follow this caution may result in personal injury.Sheet metal parts may have sharp edges or burrs. Use care andwear appropriate protective clothing and gloves whenhandling parts.CAUTION!INTRODUCTIONFZ4A models are R- 410A Fan Coils designed for installationflexibility. These units are designed to meet cabinet air leakage ofless than 2% at 0.5 inches W.C. and cabinet air leakage less than1.4% at 0.5 inches W.C. when tested in accordance with ASHRAE193 standard.A TXV is used on FZ4ANP(024- 061). All FZ4A fan coils use amulti- tap ECM motor for efficiency. These units have be designedfor upflow, downflow (kit required), and horizontal orientations,including manufactured and mobile home applications.These units require a field supplied air filter, and are designedspecifically for R- 410A refrigerant air conditioners and heatpumps as shipped. These units are available for systems of 24,000through 60,000 BTUh nominal cooling capacity. Factory-authorized, field - installed electric heater packages are available insizes 5 through 30kW. See Product Data literature for all availableaccessory kits.