background image

EZ Series VP & EZ Series VR (DR. VTAC 

option)

Perfect fit for Replacing Existing GE AZ Vertical, 

Friedrich Vert-I-Pak and New Construction Projects

Engineering Manual

MANUFACTURER OF QUALIT Y AIR CONDITIONING AND HEATING PRODUCTS

6140278  Rev. 

W

  0

7

/0

1

/2

1

Summary of Contents for EZ VP 09

Page 1: ... VR DR VTAC option Perfect fit for Replacing Existing GE AZ Vertical Friedrich Vert I Pak and New Construction Projects Engineering Manual MANUFACTURER OF QUALITY AIR CONDITIONING AND HEATING PRODUCTS 6140278 Rev W 07 01 21 ...

Page 2: ...gnostic Software 36 Custom Operation and Continual Room Temperature Monitoring 36 Operating Guidelines 37 Power Disconnect 37 Main Control Board 38 Routine Maintenance 39 Performance Specifications 40 Vertical Packaged Terminal Cooling Unit With Heat Pump Or Electric Heating 40 Typical Warranty 43 Notes 44 EZ REPLACEMENT GUIDE 45 SAFETY PRECAUTIONS 3 Introduction 4 Our Company 4 The Perfect Fit 4 ...

Page 3: ...operly installed in accordance with the installation instructions before it is used Refer to the installation instructions contained within this manual Disconnect the VTAC units at the fuse box or circuit breaker panel before making any repairs It is strongly recommended that any servicing be performed by a qualified individual All air conditioners contain refrigerants which under federal law must...

Page 4: ...tisfaction We at Islandaire feel that this team approach to manufacturing produces a superior overall product and assures a larger degree of flexibility in design and production scheduling to meet tight prototyping or construction timetables The Perfect Fit Thru wall air conditioners were developed in the late 1950 s Over the next forty years many companies engineered manufactured and installed a ...

Page 5: ...ew Construction The Islandaire VTAC unit is designed to meet the needs of the architect engineer and contractor For unit instal lation Islandaire s expert support network will assist in all applicable aspects of the construction project from preparing a budget to start up Advantages For New Construction Lower Operating Costs and Reliable Comfort for the Occupant Design Flexibility For The Architec...

Page 6: ...ressor is initiated and conditions make up air The secondary fan continuously runs allowing fresh conditioned make up air at a rate of up to 55 CFM leav ing coil CFM to enter the room The unit is manufac tured in accordance to AHRI UL CSA standards for the primary side and AHAM and UL standards for the secondary side Application Consider ations It is important for air conditioning systems to be pr...

Page 7: ...lubricated for extended life Electrical components are located on the indoor side of the wall protecting them from driving rain and humidity The compressor is a reliable high efficiency design rotary compressor It is hermetically sealed and built for continuous operation Corrosion Protection All Islandaire VTAC units have special corrosion protection that can help dramatically extend the life of t...

Page 8: ...nt reliable and quiet operation High efficiency DC Evaporator and Condenser motors for maximum energy efficiency and quiet operation On board diagnostic software helps quickly diagnose potential problems AUTO POWER MODE FAN SPEED LOW HIGH FAN HEAT COOL WARM COLD Wall Plenum Assembly Heavy 18 gauge steel with powder paint coating for maximum scratch dent and corrosion resistance Integrated adjustab...

Page 9: ...es need for tools to remove install panel Easy access to removable filters Optional Sound Reduction Grille for quieter operation Slinger Fan Curved fan blades increase airflow across the outside coil Creates a quiet operating environment outside of building Slinger ring efficiently removes condensate and increases cooling Venturi Shroud Works with the fan to maximize air flow and increase efficien...

Page 10: ...ent Thermostat I R motion sensor Door switch Air Discharge Plenum Kit Wall Plenum Drain Pan Kit MODELTYPE VP IslandaireVertical Unit EZ VP 12 A 2 3 1 N 4 7 A B A None C Energy Mgt N O D Energy Mgt N C POWER MANAGEMENT OPTIONS POWER MANAGEMENT CODES EZ Cooling Chassis COMPONENT COOLING CAPACITY A Std Chassis R410A B Heat Pump R410A SYSTEMTYPE 2 230v 20 Amps 3 230v 30 Amps 4 230v HardWire 8 277v Har...

Page 11: ... 230 208 BTUH COOL 9 300 9 100 9 100 11 500 11 500 11 300 16 600 16 600 16 600 18 400 18 200 18 200 23 000 22 800 AMPS COOL 3 40 3 70 2 90 4 70 5 20 3 90 6 90 7 60 5 45 7 28 7 96 5 97 9 09 9 98 WATTS COOL 770 750 770 990 990 1 025 1 510 1 510 1 510 1 675 1 655 1 655 2 090 2 075 EER 12 1 12 1 11 8 11 6 11 6 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 CFM HIGH SP 0 1 353 353 353 430 430 430 436 436...

Page 12: ...ASHRAE 62 1 and ASHRAE 90 1 2 Indoor Environmental Quality with improved indoor air quality IAQ through make up air 3 Innovation in design through the use of a Make Up Air VTAC 4 Regional Design through the use of DR VTAC in high humidity climates 5 Recycling reusing DR VTAC in secondary market where the first costs are prohibitive to owners LEADERSHIP IN ENERGY AND ENVIRONMENTAL DESIGN LEED MODEL...

Page 13: ... WATTS COOL 845 825 825 1 045 1 045 1 025 1 510 1 510 1 510 1 675 1 655 1 655 2 090 2 075 EER 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 11 0 CFM HIGH SP 0 1 353 353 353 430 430 430 436 436 436 565 565 565 700 700 CFM LOW SP 0 1 259 259 259 347 347 347 353 353 353 525 525 525 610 610 BTUH HEATING 8 500 8 300 8 500 10 500 10 300 10 500 15 700 15 500 15 500 15 500 15 500 15 500...

Page 14: ...cation process is controlled by a humidistat factory set at 50 RH that monitors the outdoor relative humidity level and is adjustable by a qualified service person Below 50 RH compressor operation and dehumidifica tion is stopped However fan operation continues to provide up to 55 CFM of outdoor air into the room The dehumidification system has a temperature switch that monitors both the refrigera...

Page 15: ... above 27 F approximately 35 F outdoor air temperature the heat pump draws heat from outdoor air and uses it to heat indoor air Since the heat supplied to the room is the result of reversing the refrigeration cycle the heat pump uses less power than a conventional heating system therefore reducing energy costs Outdoor Thermostat During the heating cycle the outdoor thermostat senses outdoor coil t...

Page 16: ...rom each side of the unit If VTAC unit is to be installed through the side of closet 5 minimum 7 recommended clearance from the front of the unit 3 minimum clearance from each side Outdoor Clearances The following minimum outside clearance from rear grille must be maintained Rear of unit to nearest obstruction 36 Side of unit to nearest obstruction 0 Bottom of unit to obstruction and or ground Thi...

Page 17: ...s www islandaire com sales islandaire com 800 886 2759 17 Dimensional Drawings Cont 29 1 4 23 9k thru 15k Unit Dimensions 24 1 4 32 24 1 4 22 3 4 2 VARIOUS DEPTHS AVAILABLE Figure 1A Dimensional Drawings 22 15 16 2 2 1 3 1 6 48 21 1 8 18k and 24k Unit Dimensions ...

Page 18: ...XTEND 1 4 FOR CAULKING EXTERIOR OUTSIDE EXTERNAL DRAIN LINE Side View INSIDE WALL 8 MIN FOR DRAIN ACCESS 4 MIN FROM FRONT OF CHASSIS UNIT INSTALLED THROUGH FRONT OF CLOSET 3 MIN FROM TWO SIDES OF CLOSET 2 INCH MIN 10 INCH MAX FOR OPTIMAL SERVICEABILITY AND UNIT ACCESSIBILITY THE FOLLOWING MINIMUM ACCESS OPENING SIZE IS REQUIRED OPENING WIDTH 28 MIN OPENING HEIGHT 48 MIN Refer to Interior Return Ai...

Page 19: ... may result in permanent equipment damage The following is the sequence of steps for installing the Islandaire VTAC unit 1 Install Wall Plenum Assembly 6 Attach Discharge Plenum to Top of Chassis 2 Level Drain Pan Cut legs to proper height and level Drain Pan using Leveling Screws 7 Install flexible duct to Discharge Plenum 3 Install Exterior Louver 8 Make unit power connections 4 Install Condensa...

Page 20: ...led square and level in the opening and secured to the wall construction with screws or nails in the sides located a minimum of 2 from the bottom of the plenum No nails or screws may be used in the bottom or top of the plenum to ensure against water entering the wall cavity The plenum must be caulked on all four sides along the outdoor wall face and along the interior wall to prevent air infiltrat...

Page 21: ...as follows 1 Pivot the Drain Pan downward to an approximately 90 angle relative to the Wall Plenum 2 Turn the two 2 leveling screws in the Support Bracket clockwise until fully seated 3 Place a level on the Drain Pan front to back Ensure the Support Bracket is installed in the proper holes in the Drain Pan to achieve level as close as possible The holes selected should allow for increased height a...

Page 22: ...ral louvers as a holding device in order to keep a firm grasp on the grille Angle the grille through the opening at the rear of the plenum then pull the grille back to the plenum and align the screw heads to the hole Keep a firm grip on the grille to prevent it from dropping and or causing possible injury and or property damage 4 Attach the grille to the plenum by aligning and inserting the hex nu...

Page 23: ...dropping and or causing possible injury or property damage 3 Attachthegrilletotheplenumbyaligningandinserting the hex nut threaded onto the studs through the holes in the plenum 4 Securethegrilletotheplenumbytighteningthehexnut and adding and tightening an additional hex nut Architectural Rear Grille 4 Studs 4 Washers 8 Hex Nuts Figure 8 Architectural Rear Grille Parts STUD HEX NUT WASHER ARCHITEC...

Page 24: ...OLE AND MOUNTING STUD LOCATION LOWER SLOT DIMENSIONS LOCATION TYP UPPER SLOT DIMENSIONS LOCATION TYP A 185 1 000 1 439 5 000 31 936 19 875 3 621 19 685 8 629 438 18 999 438 18 125 8 160 17 328 30 488 496 2 923 7 000 7 000 1 439 4 250 TYP 1 436 4 250 B C Figure 11 Wall Sleeve Dimensions and Mounting Hole Locations for Installation of Exterior Louver Grille by Others Installation Exterior Grille ...

Page 25: ...landaire com 800 886 2759 25 Installation Exterior Grille Cont LOUVER WIDTH O D LOUVER HEIGHT 9 938 231 9 938 19 875 32 164 8 267 19 685 4 048 438 19 000 437 438 9 500 9 500 437 Figure 12 Wall Sleeve Dimensions and Mounting Hole Locations for Installation of Exterior Louver Grille by Others ...

Page 26: ...st either be plugged if not used or connected to an independent drain system If a secondary drain system is used attach a 90 schedule 40 PVC elbow to the sec ondary drain fitting directed toward the secondary drain system If a secondary drain system is NOT used install a schedule 40 PVC MNPT plug to cap the hole INSIDE WALL Side View Primary Drain Connection External Side View OUTSIDE WALL PVC INT...

Page 27: ...unit toward the Wall Plenum until flush Ensure the Alignment Pin see Figure 13 on the Drain Pan is inserted in the center hole on the Chassis flange 3 Secure Chassis to the Wall Plenum using the two 2 draw latches on the Plenum Adapter and one 1 draw latch located on the Drain Pan SLIDE UNIT ON DRAIN PAN UNTIL FLUSH WITH PLENUM DRAIN PAN DRAW LATCH 2X DRAW LATCH 1X ALIGNMENT PIN Figure 13 Chassis ...

Page 28: ... ON DR VTAC ACTIVATION SWITCH REMOVE PANEL TO ACCESS ACTIVATION PLATE INSTALL PANEL AFTER REMOVING PLATE IMPORTANT NOTES FOR PEFORMANCE TESTING 1 Activation Plate must be installed during Performance Testing in order to obtain accurate test results 2 DIP Switch 8 on the Main Board must be set to ON Constant Fan position during testing 3 The DR VTAC Activation Switch must be in the OFF position whe...

Page 29: ...n between Spin on Collar and Discharge Plenum 3 From the back of the chassis slide the rear lip of the Discharge Plenum under the discharge plenum mounting flange on the chassis as shown in Figure 13 4 Secure Air Discharge Plenum to the unit using one 1 8 x 3 8 hex screw supplied with plenum Duct Work The collar on top of the Air Discharge Plenum accepts field supplied insulated flexible or rigid ...

Page 30: ...he thermostat wires to the plug as indicated in Figure 17 2 Re insert plug into terminal block receptacle R FD GH B Y GL W C R RED FD PURPLE GH GREEN B BLUE Y YELLOW W WHITE GL ORANGE C BLACK RTS TERMINAL BLOCK RECEPTACLE LOCATION FRONT OF CHASSIS RTS TERMINAL BLOCK PLUG WIRE COLOR Figure 17 Thermostat Terminal Block Unit Power Connection 1 230 208 Vac units are equipped with a 6 foot LCDI power c...

Page 31: ...this low voltage terminal is connected to the R terminal the compressor and electric heater are disabled to provide an energy management system interface Terminal GH Green When this low voltage terminal is connected to the R terminal and the unit is in remote mode the blower fan will be requested for operation on high speed Terminal B Blue When this low voltage terminal is connected to the R termi...

Page 32: ...A sound reduction louvered panel that mounts in the door is also available The sound reduction panel requires a 27 5 wide by 47 5 high cutout in the door The air filter would be installed in the filter bracket located on the front panel of the VTAC unit INSIDE WALL INTERIOR GRILLE 2 INCH MIN 10 INCH MAX AIR FILTER 50 1 8 O D The front access panel must be lined up with the cutout on the VTAC unit ...

Page 33: ...ire com 800 886 2759 33 Wiring Diagrams Figure 19 Wiring Diagram EZ VP Series VTAC Unit 1 Hydronic 2 Heat Pump 3 Electric Heat 4 Gas Heat 5 Freeze Protect 6 Restart 7 Reserved 8 Reserved NOTE ABOVE DIAGRAM ISTYPICAL FOR UNIT SPECIFICWIRING REFERTO DIAGRAM PROVIDEDWITH UNIT ENCLOSED INVINYL POUCH ...

Page 34: ...ating Products www islandaire com sales islandaire com 800 886 2759 34 NOTE ABOVE DIAGRAM ISTYPICAL FOR UNIT SPECIFICWIRING REFERTO DIAGRAM PROVIDEDWITH UNIT ENCLOSED INVINYL POUCH Figure 20 Wiring Diagram EZ VR Series VTAC Unit Wiring Diagrams Cont ...

Page 35: ...rmostats Pluggable terminal block located on the front panel of the electronic box allows for easy connection to a wall mounted thermostat control wired or wireless See page 30 for full details Figure 21 Wall Thermostats Typical Front Desk Control Low voltage terminals on the main control board allow easy connection to a front desk energy management system Front desk controls allow the unit to be ...

Page 36: ...ate a com pressor lockout if the compressor temperature exceeds 154 F or if the outdoor air temperature falls below 35 F Low Temperature Compressor Protection An indoor frost sensor will disable the operation of the compressor if freezing conditions exist This protects the compressor from damage due to airflow reduction or low outdoor air temperature When the coil tempera ture rises to a safe temp...

Page 37: ... ther mostat rises above 58 F the system will resume normal operation Heater Safety Feature When the heater is powered off the fan will automatically stay on and run for 60 seconds to ensure the removal of residual heat Do NOT operate the unit while the building is still under construction or restoration Construction dust can clog the filter and cause permanent damage to other components Power Dis...

Page 38: ...CH HEAT CONFIGURATION G H I J K L M N O P SYN FAULT IR REMOTE ODC IWC OUTDOOR COIL SENSOR IDC INDOOR COIL SENSOR RA RETURN AIR SENSOR N C NORMALLY CLOSED N O NORMALLY OPEN COND CONDENSER MOTOR REV REVERSINGVALVE GAS GASVALVE FAN EVAPORATOR MOTOR S T U W X Y Z AA BB CC L2 N L2 N TRANS IN TRANS 11V N O COMPRESSOR COM ELEC_L N O ELEC_N DISPLAY COM COMPRESSOR COM ELEC_N N O ELEC_L V FUSE Q R W X Y Z A...

Page 39: ...r damaged it should be replaced immediately Operating without the filter in place or with a damaged filter will allow dirt and dust to reach the indoor coil and reduce the cooling heating airflow and efficiency of the unit Filter size required is 16 H x 20 W x 1 D Coils should be inspected periodically for lint build up dirt leaves other debris and for bent fins Clean coils with a soft brush and c...

Page 40: ... the schedule Louvers shall be easily installed from the inside of the build ing after the cabinet wall case has been installed Special field fabricated louvers must be approved by the VTAC manufacturer as to free area and air circu lation requirements The outdoor grille shall resist corrosion breakage and match the color specified on drawing schedule and specifications 1 02 QUALITY ASSURANCE Syst...

Page 41: ...s to prevent contamination of the indoor air with pollutants and odors Condensation must be disposed of using a external internal drain system as shown on plans 2 01 EQUIPMENT A General Factory assembled single piece heating and or cooling unit Contained within the unit enclosure shall be compressor coils fans and fan motor heat ing means controls all wiring and piping and a full refrigerant charg...

Page 42: ...eat pump unit with electric heat is switched from the heat pump mode to electric heat when the unit is on and the outdoor coil temperature reaches 27 F or when the outdoor air temperature is 35 F and an initial call for heat is triggered At this time back up electric heat is the only source of heat and will only attempt to go back to normal compressor operation after it has been satisfied A temper...

Page 43: ...be dislodged from their bases as a result of rough handling during transport causing improper functioning of the unit Immediately following installation the installing contractor is responsible to check test and start the unit including physically operating the unit in both cooling and heating modes and correcting any minor deficiencies noted Additionally the installing contractor is responsible t...

Page 44: ...___________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ________________________...

Page 45: ... 16 36 CM EB 22 30 5 8 EB Dunham Bush J EJ Series 14 30 JA New Port III 25 52 N3 K EK and RK Series 13 15 16 36 KF New Port IV 25 52 N3 Type 41 16 36 1 2 41 Fedders Type 45 16 1 2 37 45 Maxizone Series 16 1 4 27 MX Type EA ES and RS 16 3 8 44 7 8 ED Unizone 16 48 UN Slant Fin Friedrich JK 16 42 JK Climate Master Series 700AD 16 36 AD CC Monterrey 16 42 CC Climate Master Series 701 16 40 1 2 C7 Mon...

Page 46: ...James NY 11780 1 800 886 2759 e mail sales islandaire com www islandaire com Ph 631 471 2900 Fax 631 471 2913 Locally Represented By Ask your salesman about our DR VTAC option 100 conditioned fresh air Contact Sales for information about our custom sized PTAC PTHP and Water Source Heat Pump Units ...

Reviews: