Islandaire EZ 42 Series Engineering Manual
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Islandaire EZ 42 Series Engineering Manual

Perfect fit for replacing existing 42” x 16” units and for new construction projects
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AHRI Certification applicable to EZ42
models only
EZ Series 42 & EZ Series DR (DR.PTAC)
42" W x 16" H PTAC/PTHP
Perfect fit for Replacing Existing 42" x 16" Units and for New
Construction Projects
Engineering Manual
MANUFAC TU RER OF QUA LIT Y A IR CONDITIONING AND HEATING PRODUC TS
6140207 Rev. 061322

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Summary of Contents for Islandaire EZ 42 Series

  • Page 1 EZ Series 42 & EZ Series DR (DR.PTAC) 42” W x 16” H PTAC/PTHP Perfect fit for Replacing Existing 42” x 16” Units and for New Construction Projects AHRI Certification applicable to EZ42 models only Engineering Manual MANUFAC TU RER OF QUA LIT Y A IR CONDITIONING AND HEATING PRODUC TS 6140207 Rev.

  • Page 2: Table Of Contents

    ........ 44 reAr grIlle InstAllAtIon InstructIons ..22 wArrAnty ................ 52 Islandaire reserves the right to make changes in design and construction at any time without notice. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 3: Introduction

    They are manufactured at our mod- ern 75,000 square foot plant on Long Island in New York. Thank you for considering our products, The Islandaire Team Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 4: Applications

    Islandaire. EZ Quick slide-out chassis eases installation into the wall sleeve. Rapid servicing reduces downtime: complete chassis can be replaced in minutes without disrupting other occupants. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 5: Application Considerations

    CFM) to enter the room. The unit is manufactured in accordance to ARI, UL, CSA standards for the primary side and AHAM and UL standards for the secondary side. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 6: Product Overview

    The entire wall sleeve is con- structed of 18-gauge steel. Treated inside and outside with a baked-on based powder coat paint to protect it from the corrosive effects of salt spray. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 7 TANGENTIAL BLOWER WHEEL DISCHARGE GRILLE WALL SLEEVE RETURN AIR FILTERS CHASSIS AUTO REMOVABLE FRONT PANEL DIGITAL TOUCHPAD CONTROL / DIAGNOSTIC CENTER COMPRESSOR FRESH AIR INTAKE SLOPED BASEPAN Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 8: Chassis Features And Benefits

    • Quick removal ensures shorter installation time and faster service calls • Easy access to removable filters See page 29 for front cover installation instructions Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 9: Tangential Blower Wheel

    Allows fresh air to be drawn into the room • when indoor fan is operating Manual control allows uninterrupted • operation See page 30 for fresh air vent information Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 10: Ordering Data - Ez Series 42

    • TRANE • • • • • • • • • • • • • • • • • • • • • • • • Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 11: Performance Data - Ez Series 42

    WALL SOCKET CONFIGURATION RECEPTACLE NUMBER NEMA 5-15R NEMA 5-20R NEMA 6-15R NEMA 6-20R NEMA 6-30R NEMA 7-20R NEMA 7-30R ELECTRICAL HEAT OPTIONS 4.2 - 5.0 2.0 - 4.2 Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 12: Ordering Data - Ez Series Dr (Dr.ptac)

    • TRANE • • • • • • • • • • • • • • • • • • • • • • • • Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 13: Performance Data - Ez Series Dr (Dr.ptac)

    MAXIMUM AMPERAGE WALL SOCKET CONFIGURATION RECEPTACLE NUMBER NEMA 6-15R NEMA 6-20R NEMA 6-30R NEMA 7-20R NEMA 7-30R ELECTRICAL HEAT OPTIONS 4.2 - 5.0 2.0 - 4.2 Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 14: Dr. Ptac Features

    5. Diverting Construction Debris through the use of system for cold climates re-usable containers. 6. Recycling/reusing Dr. PTAC in secondary market where the “first costs” are prohibitive to owners. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 15: Dr.ptac Information

    4. Allows fresh make up air to travel entirely across sleeping and living areas of a room, exiting through a duct or under the door *DOAS = Dedicated Outdoor Air System Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 16: Dimensional Drawings

    1” recommended 1” recom- mended FRONT DISCHARGE GRILLE 21 5/8” 7 7/8” 13 3/4” 42” 16” 3” MIN. CORDSET ELECTRICAL KNOCKOUTS SUBBASE Front View Side View Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 17: Options And Accessories

    Allows the air from one PTAC unit to be shared by an • adjacent room The kit mounts to the top of the unit and can be configured • for either right or left discharge Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 18: Clearances And Projections

    Minimum Clearance From Walls LEVELING LEGS DUCT KIT TOP VIEW DRAIN KIT OUTSIDE WALL HARD-WIRE KIT 1.25 WALL SLEEVE MINIMUM INTERNAL CLEARANCE FROM WALL ADJACENT WALL Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 19: Installation Instructions

    • Place the unit so that the air filter can be removed easily and maintenance work can be performed without interference. • Locate unit within reach of proper power supply. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 20: Wall Sleeve Installation Instructions

    WALL RECEPTACLE MUST BE LOCATED WITHIN 58” OF LOWER RIGHT CORNER (208/230 VOLT UNITS ONLY) ACCESS TO MAINS MUST BE AVAILABLE FOR ALL OTHER UNITS Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 21: Wall Sleeve Installation

    Make sure the wall opening is adequate for strong support. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 22: Condensate Drain Kit

    Periodically inspect drain passages for blockage. Blow out drain tubing annually to prevent overflow from entering the building. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 23: Internal Drain Installation

    15. These components can be installed after the sleeve is secured in the wall opening just prior to the installation of the condenser SHEET METAL SCREWS grille and chassis. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 24: Rear Grille Installation Instructions

    Figure 18 Standard Grille Installation SECURE THE GRILLE TO THE WALL SLEEVE BY TIGHTENING SCREW HEADS IN HOLES. DO NOT OVERTIGHTEN WALL SLEEVE HOLES Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 25: Architectural Rear Grille

    PULL FORWARD TO GUIDE HEX NUTS THROUGH HOLE IN WALL SLEEVE, THEN TIGHTEN HEX NUTS. SECURE WITH AN ADDITIONAL HEX NUT. ARCHITECTURAL WALL SLEEVE GRILLE “KEY” HOLES HARDWARE Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 26 3.150 .700 1.919 6.175 14.075 14.075 1.500 1.919 .512 .400 .187 (X2) .350 .313 .700 .369 LOWER SLOT DIMENSIONS (X2) & LOCATION (TYP.) CONDENSATE DRAIN LOCATION Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 27 .725 .725 27.00 4.75 STUDS C/C 40.55 .125 SHEET METAL THICKNESS LOUVER HEIGHT 16.06 WINDOW 9.000 PTAC HEIGHT HEIGHT STUDS C/C 3.150 LOUVER WIDTH WINDOW WIDTH Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 28: Subbase Assembly & Installation

    CUT AT PROPER DEPTH AND DISCARD EXCESS 5. Secure the subbase to the wall sleeve with the two retainer clips provided. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 29 LH SIDE EXTENSION RECEPTACLE SUPPORT REAR COVER PANEL JUNCTION BOX REAR COVER RECEPTACLE PANEL RECEPTACLE PANEL FRONT PANEL JUNCTION BOX COVER LINE CORD GUARD ATTACHMENT CLIP LEGS Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 30: Chassis Installation

    FLOOR Figure 28 Chassis Installation SHEET METAL SCREWS Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 31: Front Cover Installation & Removal

    Remove the front cover by pulling out at the bottom to release it, then lift it up to clear the rail along the chassis top. TABS Figure 30 Front Cover Installation Figure 31 Front Cover Installation Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 32: Fresh Air Vent

    ROOM CABINET FINISHED FLOOR 3” MIN DUCTED EZ42 DETAILED SIDE VIEW NOTE: Recommended for use on models with remote thermostat. Not recommended for models with built-in thermostats. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 33: Maintenance

    5. To dry the filter thoroughly, run your unit for a few minutes in fan mode. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 34: Information For Heat Pump Units

    The thermostat switches the unit back to heat pump mode when the outdoor coil temperature rises above 40 °F, which is enough to provide heat to meet demand. The entire operation is completely automatic. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 35: Electrical Installation

    Voltage must fall within the voltage utili- zation range as shown in the table below. OpERATING VOLTAGE VOLTAGE UTILIZATION RANGE UNIT VOLTAGE RATING mINImUm mAXImUm 230/208 Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 36: Wiring Diagram

    6: Restart MEMBRANE REMOTE T-STAT 7: Reserved TRANS_24V 8: Reserved SWITCH R LS GH B Y W GL C 1 2 3 4 5 6 7 8 Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 37: System Controls And Management

    MIN button to set the current time. To adjust the timer setting, use the HOUR button to select operation time (1 to 12 hours of operation). Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 38: System Management Software

    (cont.) System Management Software The Islandaire PTAC unit is equipped with an on-board control system that contains system management software and sensors. Built in safety features protect the unit from the damaging effects of freezing temperatures and power interrup- tions. Energy management features allow unit performance to be customized and control power consumption. System monitoring software helps service personnel quickly correct any problems.

  • Page 39: Digital Control Panel

    3 minute time delay automatically stay on and run for 60 seconds to before the unit will function. ensure the removal of residual heat. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 40: Fan Speed Control - Low, High, And Auto

    Celsius and Fahrenheit. struction dust can clog filter and cause permanent damage to other components. Figure 43 Temp Controls - Digital Control Panel AUTO Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 41: Remote Thermostats

    • Large LCD display provides the user with current room temperature, set point temperature, time, program interval, and other system status informa- tion. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 42: Remote Thermostat Interface

    R terminal). terminal w (white) When this low-voltage terminal is connected to the R ter- minal and the unit is in the remote mode, first hydronic Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 43: Control Board

    N.O. – ELEC_N GAS – GAS VALVE COM – ELEC_N SYN FAULT FAN – EVAPORATOR MOTOR N.O. – ELEC_L DISPLAY COM – ELEC_L IR REMOTE TRANS 11V Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 44: Temperature Limiting

    ON/OFF key is pressed a second time, returning the display to normal function. To cancel the change, wait 10 seconds without pressing (FACTORY DEFAULT) the ON/OFF button a second time. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 45: Error Codes

    • DIRTY FILTER / EVAPORATOR COIL (HEAT PUMP) • EVAPORATOR MOTOR FAILURE (HEAT PUMP) • ALL ADDITIONAL SAFETIES TIED TO SYN. FAULT TERMINALS SHOULD BE CHECKED Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 46: Packaged Terminal Cooling Unit With Heat Pump Or Electric Heating

    Universal handling instructions shall be defined and visible on the carton, from front, back and sides. C. Unit shall be stored and handled per manufacturer’s recommendations. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 47 Contract drawing schedule and in the specifications. For 265V installations, UL codes require the use of an electrical equipped subbase for power cord usage or hardwire conduit for non-corded installations. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 48 The mode selection control shall provide OFF, FAN comfort. ONLY, HEAT or COOL operations. The temperature selection control shall be an adjustable thermostat with upper and lower limits. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 49 The minimum COP for heat pumps, at 47 °F DB outdoor, must be 2.9 for all sizes. (Heat pump models shall also include reversing valve). Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 50 95 CFM of fresh air through the vent while the fan is operating. 1. Non-electrical subbase: The non-electrical subbase shall be pre-assembled and provides mechanical sup- port and requires no wiring. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 51 The security door shall include two matching keys and keys shall be common to all Islandaire Security Door kits. Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 52 Notes ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...
  • Page 53 Notes ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759...

  • Page 54: Warranty

    PROPER, ROUTINE MAINTENANCE WILL BE REQUIRED IN ORDER TO MAINTAIN EXTENDED WARRANTY. ISLANDAIRE the “Company” of St. James, New York warrants that the unit is free from defects in material and workman- ship under normal use and service, for the twelve-month period following the date of installation*.
  • Page 55 Case Case Case Case Original Model Height Width Model Original Model Height Width Model Amana® Keeprite® PT 42 x 16 Series Climette 18 5/16 PB 26 x 16 Series Seasonall 18 5/16 American Air Filter® Lennox® Enersaver Type 16 37 1/2 PTEIA Series 22 1/4 Type 16 Hydronic...
  • Page 56 T H E C U R E F O R U N C O N D I T I O N E D M A K E - U P A I R 500 Middle Country Road, St. James, NY 11780 • 1-800-886-2759 e-mail: sales@islandaire.com • www.islandaire.com Ph: 631-471-2900 • Fax: 631-471-2913...

This manual is also suitable for:

Ez dr seriesEz07Ez09Ez12Ez15Ez dr.ptac series

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