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Manual 2100-707D 

Page 

2 of 39

CONTENTS

Getting Other Information and Publications .... 3

Wall Mount General Information ......................... 4

Air Conditioner Wall Mount Model Nomenclature ..... 4

Shipping Damage ................................................. 4

General ............................................................... 4

Duct Work ........................................................... 5

Filters ................................................................. 5

Fresh Air Intake ................................................... 5

Installation ............................................................... 6

Basic Installation Design and Application Planning .. 6

  Wall Construction ............................................. 6

  Outdoor Area Inspection .................................... 6

  Condensate Water Drainage ............................... 6

Indoor Ducted and Non-Ducted Applications ........... 6

  Indoor Supply Airflow ........................................ 6

  Indoor Return Airflow ........................................ 6

  Ducted Applications ......................................... 7

  Free Blow Applications...................................... 7

  Thermostat or Indoor Temperature Sensor 

 Placement ....................................................... 7

Unit Installation ................................................... 7

  Materials/Tool List ............................................ 7

  Wall Preparation ............................................... 8

  Wall Mount Installation to Wall Surface .............. 8

Wiring – Main Power ........................................... 16

Wiring – Low Voltage ........................................... 16

  Low Voltage Connections ................................. 16

  Unit Shutdown Feature ................................... 16

  Balanced Climate

TM

 Feature ............................. 16

  Ventilation Features ........................................ 17

  Low Ambient Control (LAC) ............................. 17

    Outdoor Temperature Switch and Freeze 

    Protection Thermostat ................................. 17

  Alarm Relay Feature ....................................... 17

Start Up ................................................................... 20

General ............................................................. 20

Topping Off System Charge ................................. 20

Safety Practices ................................................. 20

Important Installer Note ...................................... 20

High Pressure Switch .......................................... 20

Three Phase Scroll Compressor Start Up  

Information ........................................................ 20

Phase Monitor .................................................... 21

Condenser Fan Operation .................................... 20

Service Hints ..................................................... 21

Sequence of Operation ........................................ 21

  Balanced Climate

TM

 Mode ................................ 21

Vent Connection Plug .......................................... 22

Compressor Control Module ................................. 22

 Features ........................................................ 22

  Delay-on-Make Timer ...................................... 22

  Short Cycle/Delay-on-Break ............................. 22

  Low Pressure Detection ................................... 23

  High Pressure Detection .................................. 23

  Test Mode ...................................................... 23

  Brownout Protection with Adjustment ............... 23

Pressure Service Ports ........................................ 23

Service ..................................................................... 24

Troubleshooting Nidec SelecTech Series ECM  

Motors ............................................................... 24

  If the Motor is Running ................................... 24

  If the Motor is Not Running ............................. 24

  Model SelecTech Communication Diagnostics ... 25

Fan Blade Setting Dimensions ............................. 26

R-410A Refrigerant Charge ................................. 26

Removal of Fan Shroud ....................................... 26

Setting Unit Airflow ............................................ 31

  Blower Speeds ............................................... 31

    Speed Tap 1 – Vent/Blower Only .................. 32

    Speed Tap 2 – Balanced Climate ................. 32

    Speed Tap 3 – Default LO Cooling &  

Heating ............................... 32

    Speed Tap 4 – Optional MED Cooling &  

Heating ............................... 32

    Speed Tap 5 – Optional HI Cooling &  

Heating ............................... 32

Figures

Figure 1  Fresh Air Damper .................................. 5

Figure 2  Unit Dimensions ................................. 10

Figure 3A  Mounting Instructions

 – J18, 24

 ............ 11

Figure 3B 

Mounting Instructions – J30, 36 ..............

12

Figure 4  Electric Heat Clearance ....................... 13

Figure 5  Wall Mounting Instructions .................. 14

Figure 6  Wall Mounting Instructions .................. 14

Figure 7  Common Wall Mounting Installations .... 15

Figure 8  Programmable Thermostat  

 Connections ....................................... 18

Figure 9  Thermostat Connections ...................... 19

Figure 10 8201-169 Compressor Control Module ...22 

Figure 11 Motor Connections .............................. 24

Figure 12 Motor Connections .............................. 25

Figure 13 Fan Blade Setting ............................... 26

Figure 14 Speed Taps ......................................... 31

Figure 15 Speed Taps ......................................... 32

Graphs

Graph 1  J18*B FAD-NE2, 3 W/O Exhaust 

 

Ventilation Delivery ............................. 38

Graph 2  J24*B FAD-NE2, 3 W/O Exhaust 

 

Ventilation Delivery ............................. 38

Graph 3  J30*B FAD-NE2, 3 W/O Exhaust 

 

Ventilation Delivery ............................. 39

Graph 4  J36*B FAD-NE2, 3 W/O Exhaust 

 

Ventilation Delivery ............................. 39

Summary of Contents for J AB Series

Page 1: ...ioner Models INSTALLATION INSTRUCTIONS J18AB A J24AB A J24AB B J24AB C J30AB A J30AB B J30AB C J36AB A J36AB B J36AB C Manual 2100 707D Supersedes 2100 707C Date 2 3 21 J18LB A J24LB A J24LB B J30LB A...

Page 2: ...on Make Timer 22 Short Cycle Delay on Break 22 Low Pressure Detection 23 High Pressure Detection 23 Test Mode 23 Brownout Protection with Adjustment 23 Pressure Service Ports 23 Service 24 Troublesho...

Page 3: ...ne 212 642 4900 Fax 212 302 1286 ASHRAE American Society of Heating Refrigeration and Air Conditioning Engineers Inc 1791 Tullie Circle N E Atlanta GA 30329 2305 Telephone 404 636 8400 Fax 404 321 547...

Page 4: ...unit These instructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Not...

Page 5: ...metallic return air grille is required with installations not requiring a return air duct The spacing between louvers on the grille shall not be larger than 5 8 Any grille that meets with 5 8 louver c...

Page 6: ...hinder unit installation and servicing including outdoor electrical conduits junction boxes wall drains vent hoods windows doors overhangs and posts Condensate Water Drainage Review all codes and requ...

Page 7: ...ructure through ventilation options including fresh air dampers ventilators economizers and energy recovery ventilators Be sure to install the return grille with the louvers pointed downward towards t...

Page 8: ...ark bolt hole locations and bottom mounting bracket location Install bottom mounting bracket with field supplied fasteners to wall if it is to be used optional Bracket must be level and installed in t...

Page 9: ...unit and J A right side compressor and controls for right unit See Specifications Sheet S3582 TABLE 1 Clearance Required for Service Access and Adequate Condenser Airflow Model Left Side Right Side D...

Page 10: ...lectrical Entrances Side Wall Supply Air Opening Shipping Location Brackets Return Air Opening Built In Mounting Top Rain Flashing Bottom Installation Bracket Back View 44 O E R S S S S S T N B P M L...

Page 11: ...and Hole Location View Right Side View TOP FLASHING AT TIME OF INSTALLATION OPENING MIS 3157 A ENTIRE LENGTH OF TOP TOP NOTES OF CAULKING ALONG PANEL FOAM AIR SEAL WALL STRUCTURE WALL HEATER ACCESS RA...

Page 12: ...NOTES 1 4 CLEARANCE ON ALL HEATER ACCESS TOP FLASHING AT TIME OF INSTALLATION THE SIDE MOUNTING FLANGES AND UNDER SILICONE CAULKING BE PLACED BEHIND IS ON OPPOSITE LEFT SIDE OPENING CONTROLS AND HEAT...

Page 13: ...SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1 4 CLEARANCE TO COMBUSTIBLE SURFACES Fire hazard Maintain minimum 1 4 clearance between the supply air duct and combustible materials in...

Page 14: ...CTORY SUPPLIED RAIN FLASHING SUPPLY AIR MIS 548 A SIDE VIEW I A C K E 1 000 B 1 000 SUPPLY DUCT OVER FRAME INTERIOR FINISHED WALL ALL AROUND DUCT FRAMING MATERIAL EXTERIOR FINISH WALL OPENING FOR ACTU...

Page 15: ...best unit performance and efficiency Review duct grille or return duct work Avoid using restrictive duct work to Unit Mount Return Grille Fixed Blade Wall wall Outside Wall Ducted Installations Adjus...

Page 16: ...or airflow amount and extending the run time to help extract more humidity during cooling operation In heating mode the reduced airflow provides a warmer supply air temperature creating more comfortab...

Page 17: ...ration cycles the condenser fan on off to maintain desired liquid pressure while modulating LAC operation is factory adjusted and slows the condenser fan speed rpm Outdoor Temperature Switch and Freez...

Page 18: ...6 B 4 5 7 If not equipped with a ventilation option to plug in a jumper plug must be installed 4 2 8 9 TABLE 6 Wall Thermostats Part Number Predominate Features 8403 060 1120 445 3 stage Cool 3 stage...

Page 19: ...ntrol Optional for ECON Only See vent installation manual 6 For vent operation add jumper if optional CO2 controller is not used Vent will run while blower is energized For ECON CRV V an additional wi...

Page 20: ...refrigerant it must come out of the charging cylinder tank as a liquid to avoid any fractionation and to ensure optimal system performance Refer to instructions for the cylinder that is being utilized...

Page 21: ...filters at all times and also not to needlessly close off supply and return air registers This reduces airflow through the system which shortens equipment service life as well as increasing operating...

Page 22: ...ied with a factory installed vent package it will be plugged in but the jumper plug will also be tethered next to the connection for troubleshooting purposes if necessary Compressor Control Module The...

Page 23: ...mers can be set by DIP switches in order to delay signaling a power brownout for a specific length of time after compressor contactor is energized This allows the compressor a time period to start eve...

Page 24: ...3302 PA13362 A B PA13422 A B C PA13482 A B C PA13602 A B C contain the X13 Series Motors TROUBLESHOOTING GE X13 SERIES ECM2 3 MOTORS If the Motor is Running 1 It is normal for the motor to rock back a...

Page 25: ...utput 24VAC Common 24VAC Common 24VAC R Signal through thermostat output 2 If the motor has proper high voltage and ground at the L L1 G N L2 connections then continue with the Model SelecTech Communi...

Page 26: ...unit to the serial plate charge Removal of Fan Shroud 1 Disconnect all power to the unit 2 Remove the screws holding both grilles one on each side of unit and remove grilles 3 Remove nine screws hold...

Page 27: ...de High Side 132 315 136 337 140 361 143 386 146 412 148 439 151 467 153 495 154 525 156 556 157 587 159 626 J24A L 75 62 Low Side High Side 123 302 125 323 127 344 129 367 132 391 134 415 136 441 137...

Page 28: ...138 409 140 436 143 463 145 492 147 522 149 552 151 584 154 623 W24A L 75 62 Low Side High Side 116 296 118 318 120 339 122 362 123 385 125 410 128 434 130 460 132 488 135 515 137 544 139 579 80 67 Lo...

Page 29: ...3 51 25 25 35 60 10 10 8 6 10 10 10 10 J36AB C00 C0Z C06 C09 C15 460 3 1 1 1 1 11 12 17 26 15 15 20 30 14 14 14 12 14 14 14 12 These Minimum Circuit Ampacity values are to be used for sizing the field...

Page 30: ...460 3 1 1 1 9 15 24 15 15 25 14 14 10 14 14 10 These Minimum Circuit Ampacity values are to be used for sizing the field power conductors Refer to the National Electrical code latest version Article 3...

Page 31: ...black wire on the blower speed terminal block to either MED or HI Refer to Table 14 on page 33 for the corresponding airflow of each tap Set the unit duct static based on the highest airflow that the...

Page 32: ...s used when Balanced Climate is called for by energizing the Y1 terminal of the low voltage terminal block with 24VAC Speed tap 2 is overridden if taps 3 4 or 5 are energized Speed Tap 3 Default LO Co...

Page 33: ...770 755 910 885 955 930 0 25 740 730 890 865 935 910 0 30 715 705 870 840 915 885 0 40 670 650 825 805 870 845 0 50 630 585 785 765 825 805 J30AB J30LB 0 00 830 825 1050 1020 1170 1135 1200 1205 0 10...

Page 34: ...igh Low A0Z A05 A08 A10 A15 50 50 50 30 50 50 50 40 40 50 50 50 35 35 B0Z B06 B09 B15 50 40 50 50 50 35 50 40 50 30 C0Z C06 C09 C15 50 50 50 50 50 45 50 50 40 35 TABLE 16 Electric Heat Models 240V 1 2...

Page 35: ...cription CMC 15 Start Kit 230V 1 Phase X X FAD NE2 Fresh Air Damper No Exhaust X ECONS 3 Economizer School X ECONWD 2 Economizer Bldg Equipment Enthalpy or Temperature X FAD NE3 Fresh Air Damper No Ex...

Page 36: ...HW2TAB A08 X EHW2TA A10 X X EHW2TA B06 X EHWH24B C06 X EHW3TA A05 X X EHW3TA A08 X X EHW3TA A10 X EHW3TAB A10 X EHW3TA A15 X EHW3TAB A15 X EHW30A B06 X EHW3TA B06 X EHW3TA B09 X EHW3TAB B09 X EHW3TA B...

Page 37: ...1TAB A08L X EHW2TAB A05L X EHW2TAB A08L X EHW2TA A10L X X EHW2TA B06L X EHW3TA A05L X X EHW3TA A08L X EHW3TA A10L X EHW3TAB A10L X EHW3TA A15L X X EHW3TA B09L X EHW3TAB B09L X EHW3TA B15L X EHW3TAB B1...

Page 38: ...Manual 2100 707D Page 38 of 39 GRAPH 1 J18 B FAD NE2 3 W O Exhaust Ventilation Delivery GRAPH 2 J24 B FAD NE2 3 W O Exhaust Ventilation Delivery...

Page 39: ...Manual 2100 707D Page 39 of 39 GRAPH 3 J30 B FAD NE2 3 W O Exhaust Ventilation Delivery GRAPH 4 J36 B FAD NE2 3 W O Exhaust Ventilation Delivery...

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