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Installation and Owner's 

Manual

High Efficiency Air-Handler

Table of Contents

Sec

on

1

Safety

2

Sec

on

2

Speci

ca

ons

3

Sec

on

3

Unit Considera

ons

4

Sec

on

4

Refrigerant Connec

ons

5

Sec

on

5

Condensate Drain Tubing

5

Sec

on

6

Applica

ons

6

Sec

on

7

Electrical Wiring

6

Sec

on

8

Air

ow Performance

10

Sec

on

9

Ductwork

12

Sec

on

10

Air Filter

13

Sec

on

11

Refrigerant Lines Insula

on

14

Sec

on

12

Refrigerant Line Rou

ng

14

Sec

on

13

Refrigerant Line Leak Check

16

Sec

on

14

Evacua

on

16

Sec

on

15

Start Up

17

Sec

on

16

Troubleshoo

ng

18

Sec

on

17

Exploded View

19

Sec

on

18

Sensor Resistance

21

Summary of Contents for 24000

Page 1: ...ensate Drain Tubing 5 Sec on 6 Applica ons 6 Sec on 7 Electrical Wiring 6 Sec on 8 Airflow Performance 10 Sec on 9 Ductwork 12 Sec on 10 Air Filter 13 Sec on 11 Refrigerant Lines Insula on 14 Sec on 12 Refrigerant Line Rou ng 14 Sec on 13 Refrigerant Line Leak Check 16 Sec on 14 Evacua on 16 Sec on 15 Start Up 17 Sec on 16 Troubleshoo ng 18 Sec on 17 Exploded View 19 Sec on 18 Sensor Resistance 21 ...

Page 2: ...eating and air conditioning equipment or found in natural gas used with some of our products Listed below are those chemicals and substances commonly associated with similar equipment in our industry and other manufacturers Glass Wool Fiberglass Insulation Carbon Monoxide CO Formaldehyde Benzene More details are available at the websites for OSHA Occupational Safety and Health Administration at ww...

Page 3: ...x 21 Type ECM Indoor Motor Rated HP 1 3 1 2 3 4 3 4 Rated RPM r min 770 870 1050 1120 FLA A 2 8 4 1 6 6 Material Galvanized plate Indoor Fan Type Centrifugal Diameter in 11 11 11 11 Height in 10 5 8 10 5 8 10 5 8 10 5 8 Indoor noise flow CFM 830 1100 1500 1750 ESP Pa 25 37 5 50 50 Indoor noise level dB A 63 66 67 68 Metering Thro le Type TXV Device Model number 3TR 3TR 5TR 5TR Dimension W x H x D m...

Page 4: ...s Unit Dimensions Models H x W xL Inches 24 36 48 60 45 3 4 x 19 5 8 x 22 53 1 8 x 22 x 24 1 2 Standard Line Set 100 Max Line Length x a M 0 5 Line Lift 50 Max Line Lift L W H A B Supply Duct Refrigeration Lines Models Supplyduct In A x B 24 36 48 60 17 7 8 x 10 1 2 3 8 x 3 4 Liquid Vapor Line 19 1 2 x 10 1 2 3 8 x 7 8 SUPPLY AIR NOTE 25 CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AN...

Page 5: ...d primary drain connection so that water will drain completely from the pan Do not reduce drain line size less than connection size provided on condensate drain pan All drain lines must be pitched downward away from the unit a minimum of 1 8 per foot of line to ensure proper drainage Do not connect condensate drain line to a closed or open sewer pipe Run condensate to an open drain or run line to ...

Page 6: ...ing and therefore may be sized larger than the branch circuit protection Supply circuit power wiring must be 75 C minimum copper conductors only See Electrical Data In this section for ampacity wire size and circuit protector requirement Supply circuit protective devices may be either fuses or HACR type circuit breakers Power wiring may be connected to either the right left side or top concentric ...

Page 7: ...gnal Line Line Quan ty 4 4 4 4 Line Diameter AWG 18 18 18 18 Model cooling hea ng type 24K 36K 48K 60K Indoor Unit Power Line Line Quan ty 3 3 3 3 Line Diameter AWG 16 16 16 16 Outdoor Unit Line Quan ty 3 3 3 3 Line Power Line Line Diameter AWG 14 12 10 10 Gauge Outdoor Indoor Signal Line Line Quan ty 2 2 2 2 Line Diameter AWG 18 18 18 18 Thermostat Signal Line Line Quan ty 6 6 6 6 Line Diameter A...

Page 8: ... 7 5 40 10 60 50 5 7 5 10 15 20 15 20 60 24 36 MIN Circuit Ampacity MAX Fuse or Breaker HACR Ampacity Heat Kit Model Air Handler Model kW Electric Heat EHK05A EHK08A EHK10A EHK05A EHK08A EHK10A EHK15B EHK20B EHK05A EHK08A EHK10A EHK15B EHK20B EHK05A EHK08A EHK10A EHK15B EHK20B 5 7 5 10 15 20 48 Fan speed AC HP ow Medi Low L High EHK05A EHK08A EHK10A EHK15B EHK20B Electric Heater Kits NO Kit Descri...

Page 9: ...1 0 1 C W2 W1 WHITE C W1 W2 BLACK BLACK WHITE BLACK WHITE L1 L2 L1 L2 L1 L2 L1 L2 L 1 L 2 L 1 L 2 L1 L2 L1 L2 L1 L2 L1 L2 CB2 63A 7 5kW CB1 50A 10kW CB1 63A CN3 CN8 RED BLACK FIELD WIRING PER LOCAL CODE CN3 CN8 RED BLACK CN3 CN8 CN3 CN8 FIELD WIRING PER LOCAL CODE FIELD WIRING PER LOCAL CODE RED BLACK RED BLACK 12 GA 1015 600V 105 C 14 GA 1015 600V 105 C 18 GA 1015 600V 105 C 12 GA 1015 600V 105 C...

Page 10: ... operation 0 0 0 0 0 1 0 16 04 0 2 05 0 3 07 0 4 10 4 10 0 4 10 0 4 10 0 4 10 0 5 CFM RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts Amps CFM CFM RPM Watts Amps External Static Pressure Inches W C kPa CFM Watts 36 Low Middle High Motor Speed Low Middle 24 High Model Number RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts Amps CFM RPM Watts A...

Page 11: ... 124 3 12 30 1 33 1 133 1 133 1 133 1 1 133 1 133 1 133 1 133 1 1 1182 1141 1020 995 995 9 18 818 818 818 6 818 8 123 9 123 9 123 9 123 9 123 9 123 9 12 23 5 29 1 129 1 1 129 1 1 SCFM Watts SCFM Watts SCFM Watts SCFM Watts SCFM Watts Tap 2 Tap 1 Tap 5 Tap 4 48 60 Tap 3 Factory SCFM Watts SCFM Watts SCFM Watts SCFM Watts SCFM Watts Tap 2 Tap 3 Tap 1 Tap 5 Tap 4 Factory 032 2032 1 032 2032 2 2032 20...

Page 12: ...p screw points can damage insulation on wires located inside unit Secure the supply and return ductwork to the unit flanges using proper fasteners for the type of duct used and tape the duct to unit joint as required to prevent air leaks The air distribution system has the greatest effect on airflow The duct system is totally controlled by the contractor For this reason the contractor should use o...

Page 13: ...contacted to ensure installation of these such filtration systems are installed correctly IMPORTANT DO NOT DOUBLE FILTER THE RETURN AIR DUCT SYSTEM DO NOT FILTER THE SUPPLY AIR DUCT SYSTEM THIS WILL CHANGE THE PER FORMANCE OF THE UNIT AND REDUCE AIRFLOW WARNING Do not operate the system without filters A portion of the dust entrained in the air may temporarily lodge In the duct runs and at the sup...

Page 14: ...on hangers should also be used when refrigerant lines are run in stud spaces or enclosed ceilings Where the refrigerant lines run through a wall or sill they should be insulated and isolated Isolate the lines from all ductwork Minimize the number of 90º turns Comply with National State and Local Codes when isolating line sets from joists rafters walls or other structural elements Note The manufact...

Page 15: ...hod every 8 ft 8 Feet Maximum Isolation Through Wall DO NOT hang line sets from ductwork Sealant Insulation Suction Line Wall Ductwork Isolator Line Set Isolation From Joist Rafter Side View 8 Feet Maximum Joist Rafter Isolator Line Set 8 Feet Maximum Secure Suction line from joists using isolators every 8 ft Secure Liquid Line directly to Suction line using tape wire or other appropriate method e...

Page 16: ...TEP 2 Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns in one 1 minute Once evacuation is complete blank off the vacuum pump and micron gauge and close the valves on the manifold gauge set 1 MIN 0350 s n o r c i M ON OFF STEP 2 Check for leaks by using a soapy solution or bubbles at each brazed location Section 13 Refrigerant Line Leak Check 13 1 ...

Page 17: ...efore moving to Step 5 if no crankcase heater accessory is used Wait one 1 hour before starting the unit if compres sor crankcase heater accessory is used and the Outdoor Ambient Temperature is below 70 ºF 60 MIN STEP 1 2 1 d n a 1 1 0 1 9 8 7 6 s n o i t c e S e r u s n E have been completed DONE CANCE L TU E PM SYSTEM EM HE AT OFF CO OL A P R E I F I D I M U H P M A L V U R E T L I F E G N A H C...

Page 18: ...crip on Green light always on No system alarm and error normal standby Red light always on Evaporator tube temperature sensor T2 failure Green light always on yellow light flashing Evaporator high and low temperature protec on Green light flashing System is is normal opera ng status 18 ...

Page 19: ...2 3 Water pan fixed block 1 2 4 Water pan brace 2 3 Evaporator welding components 1 3 1 Air header Assembly 1 3 2 Diverter Assembly 1 3 3 Evaporator A 1 3 4 Evaporator B 1 3 5 Evaporator C 1 3 6 Evaporator D 1 3 7 Evaporator Baffle 2 3 8 Evaporator Water Baffle 1 2 3 9 Evaporator Water Baffle 2 1 3 10 Evaporator Water Baffle 3 1 19 ...

Page 20: ... assembly 1 7 1 Fan Motor Fixing plate 1 7 2 Wind Wheel Fixed Block 2 7 3 Fixed plate on air duct 1 7 4 Stator 2 7 5 air duct left stationary plate 1 7 6 air duct right stationary plate 1 8 1 9 ELectronic Control Components 1 9 1 ELectronic Control Mounting Plate 1 9 2 Main Board 1 9 3 Transformer 1 10 Water pan supporter assembly 4 11 Upper side plate assembly 1 12 Pipe Cover plate assembly 1 13 ...

Page 21: ...096 2 138 2 18 3 34 1 66 23 16 09 16 431 16 733 1 04 3 96 123 8 2 03 2 071 2 112 3 37 1 63 24 8 15 418 15 739 16 06 1 07 3 93 125 6 1 966 2 006 2 047 3 41 1 59 26 6 14 779 15 08 15 382 1 11 3 89 127 4 1 904 1 944 1 984 3 44 1 54 28 4 14 17 14 454 14 737 1 15 3 85 129 2 1 844 1 884 1 923 3 48 1 52 30 2 13 591 13 857 14 124 1 18 3 82 131 1 787 1 826 1 865 3 51 1 49 32 13 04 13 29 13 54 1 22 3 78 132...

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