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TABLE 1 — PHYSICAL DATA 48HJ (cont)

BASE UNIT 48HJ

HJE/F/H/K/M/N004

HJD/E/F/G/H/K/L/M/N005 HJD/E/F/G/H/K/L/M/N006

HJD/E/F007

FURNACE SECTION

Rollout Switch Cutout Temp (F)†

195

195

195

195

Burner Orifice Diameter (in. ...drill size)**

Natural Gas — Std

HJE

.113...33

HJD

.113...33

HJD

.113...33

HJD

.113...33

HJF

.113...33

HJE

.113...33

HJE

.113...33

HJE

.113...33

HJF

.129...30

HJF

.129...30

HJF

.129...30

HJH

.113...33

HJG

.113...33

HJG

.113...33

HJK

.113...33

HJH

.113...33

HJH

.113...33

HJK

.129...30

HJK

.129...30

HJM

.102...38

HJL

.102...38

HJL

.102...38

HJN

.102...38

HJM

.102...38

HJM

.102...38

HJN

.116...32

HJN

.116...32

Liquid Propane — Alt††

HJE

.089...43

HJD

.089...43

HJD

.089...43

HJD

.089...43

HJF

.089...43

HJE

.089...43

HJE

.089...43

HJE

.089...43

HJF

.104...37

HJF

.104...37

HJF

.104...37

HJH

.089...43

HJG

.089...45

HJG

.089...43

HJK

.089...43

HJH

.089...45

HJH

.089...43

HJK

.102...38

HJK

.104...37

HJM

.082...45

HJL

.082...45

HJL

.082...45

HJN

.082...45

HJM

.082...45

HJM

.082...45

HJN

.094...42

HJN

.094...42

Thermostat Heat Anticipator Setting (amps)

208/230/460/575 v

First Stage

.14

.14

.14

.14

Second Stage

.14

.14

.14

.14

Gas Input (Btuh)

First Stage/Second Stage

HJE

||

50,000/ 72,000

HJD

|| 50,000/ 72,000

HJD

|| 50,000/ 72,000

HJD

50,000/ 72,000

HJF

||

82,000/115,000

HJE

|| 82,000/115,000

HJE

|| 82,000/115,000

HJE

82,000/115,000

HJF

|| 120,000/150,000

HJF

|| 120,000/150,000

HJF

120,000/150,000

HJH

*** —/ 72,000

HJG

*** —/ 72,000

HJG

*** —/ 72,000

HJK

***—/115,000

HJH

*** —/115,000

HJH

*** —/115,000

HJK

*** —/150,000

HJK

*** —/150,000

HJM

††† —/ 60,000

HJL

††† —/ 60,000

HJL

††† —/ 60,000

HJN

††† —/ 90,000

HJM

††† —/ 90,000

HJM

†††—/ 90,000

HJN

††† —/120,000

HJN

††† —/120,000

Efficiency (Steady State) (%)

HJE

82.8

HJD

82.8

HJD

82.8

HJD

82

HJF

80

HJE

81

HJE

81

HJE

81

HJF

80.4

HJF

80.4

HJF

80

HJH

82

HJG

82

HJG

82

HJK

80

HJH

81

HJH

81

HJK

80

HJK

80

HJM

80.2

HJL

80.2

HJL

80.2

HJN

81

HJM

81

HJM

81

HJN

80.7

HJN

80.7

Temperature Rise Range

HJE

25-55

HJD

25-25

HJD

25-55

HJD

25-55

HJF

55-85

HJE

35-65

HJE

35-65

HJE

35-65

HJF

50-80

HJF

50-80

HJF

50-80

HJH

25-55

HJG

25-55

HJG

25-55

HJK

55-85

HJH

35-65

HJH

35-65

HJK

50-80

HJK

50-80

HJM

20-50

HJL

20-50

HJL

20-50

HJN

30-60

HJM

30-60

HJM

30-60

HJN

40-70

HJN

40-70

Manifold Pressure (in. wg)

Natural Gas — Std

3.5

3.5

3.5

3.5

Liquid Propane — Alt††

3.5

3.5

3.5

3.5

Maximum Static Pressure (in. wg)

1.0

1.0

1.0

1.0

Field Gas Connection Size (in.)

1

/

2

1

/

2

1

/

2

1

/

2

HIGH-PRESSURE SWITCH (psig)

Standard Compressor Internal Relief

450

±

50

Cutout

428

Reset (Auto.)

320

LOSS-OF-CHARGE SWITCH/LOW-PRESSUR

E

(Liquid LIne) (psig)

Cutout

7

±

3

Reset (Auto.)

22

±

5

FREEZE PROTECTION THERMOSTAT

Opens (F)

30

±

5

Closes (F)

45

±

5

OUTDOOR-AIR INLET SCREENS

Cleanable. Screen quantity and size varies with option selected.

RETURN-AIR FILTERS

Throwaway

Quantity...Size (in.)

2...16 x 25 x 2

4...16 x 16 x 2

LEGEND

Bhp —

Brake Horsepower

*Single phase/three phase.

†Indicates automatic reset.

**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and

120,000

Btuh heat input units have 3 burners. 115,000 Btuh heat input units and 150,000

Btuh Heat input units have 3 burners.

††An LP kit is available as an accessory. Kit may be used at elevations as high as 2000

ft. If an LP kit is used with Low NOx units, the Low NOx baffle must be removed and

the units will no longer be classified as Low NOx units.

ll Three-phase standard models have heating inputs as shown. Single-phase stan-

dard models have one-stage heating with heating input values as follows:

HJD005-006,HJE004 — 72,000 Btuh

HJE005-006,HJF004 — 115,000 Btuh

HJF005-006 — 150,000 Btuh

***California compliant three-phase models.

†††California SCAQMD compliant low NO

x

models have combustion products that are

controlled to 40 nanograms per joule or less.

48H

E,

H

J

Summary of Contents for 48HE003

Page 1: ...intenance functions of cleaning coils and filters and replacing filters All other operations should be performed by trained service personnel When working on air conditioning equipment observe precaut...

Page 2: ...horizontal applications field supplied isolation flanges should be attached to horizontal discharge openings and all ductwork should be secured to the flanges Insulate and weatherproof all external d...

Page 3: ...e 7 Direction of airflow 8 Connector packages CRBTMPWR001A01 and 002A01 are for thru the curb type gas Packages CRBTMPWR003A01 and 004A01 are for thru the bottom type gas connections CONNECTOR PKG ACC...

Page 4: ...local codes and Section 5 3 Air for Combustion and Ventilation NFGC National Fuel Gas Code ANSI American National Standards Institute Z223 1 1984 and addendum Z223 1a 1987 In Canada installation must...

Page 5: ...and a 48 ft long pipe would have a minimum of 6 support beams PROPERTY DAMAGE HAZARD Failure to follow this warning could result in personal injury death and property damage All panels must be in plac...

Page 6: ...6 C06112 Fig 8 48HJ004 007 Base Unit Dimensions 48HE HJ...

Page 7: ...7 C06113 Fig 9 48HE003 006 Base Unit Dimensions 48HE HJ...

Page 8: ...ases must be balanced within 2 and the current within 10 Use the formula shown in Tables 3 and 4 Note 3 to determine the percent voltage imbalance Operation on improper line voltage or excessive phase...

Page 9: ...tor Bearing Type Ball Ball Ball Ball Maximum Fan Rpm 2100 2100 2100 2100 Motor Pulley Pitch Diameter A B in Std 1 9 2 9 1 9 2 0 2 4 3 4 2 4 3 4 Hi Static 2 8 3 8 2 8 3 8 3 4 4 4 3 4 3 4 Nominal Motor...

Page 10: ...M 81 HJM 81 HJN 80 7 HJN 80 7 Temperature Rise Range HJE 25 55 HJD 25 25 HJD 25 55 HJD 25 55 HJF 55 85 HJE 35 65 HJE 35 65 HJE 35 65 HJF 50 80 HJF 50 80 HJF 50 80 HJH 25 55 HJG 25 55 HJG 25 55 HJK 55...

Page 11: ...7 Total Face Area sq ft 3 5 3 9 3 9 3 9 EVAPORATOR FAN Centrifugal Type Belt Drive Quantity Size in 1 10 x 10 1 10 x 10 1 10 x 10 1 10 x 10 Nominal Cfm 800 1200 1600 2000 Maximum Continuous Bhp Std 0...

Page 12: ...25 55 HED 25 25 HED 25 55 HEE 25 65 HEF 55 85 HEE 35 65 HEE 35 65 HEF 50 80 HEF 50 80 HEH 25 55 HEG 25 55 HEG 25 55 HEK 55 85 HEH 35 65 HEH 35 65 HEK 50 80 HEK 50 80 HEM 20 50 HEL 20 50 HEL 20 50 HEN...

Page 13: ...S2 THERMOSTAT DIPSWITCH SETTINGS R G Y1 Y2 W1 W2 C IPD X ON OFF A B C D LEGEND NOTE Underlined letter indicates active thermostat output when configured for A C operation Field Wiring C06008 Fig 13 L...

Page 14: ...1 145 460 3 60 STD 414 508 1 7 1 45 1 0 8 0 3 2 2 NO 11 9 15 11 6 53 YES 14 6 20 14 1 55 HS 2 6 NO 12 3 15 12 1 67 YES 15 0 20 14 6 70 575 3 60 STD 518 632 1 6 1 38 1 0 6 0 3 1 9 NO 10 1 15 9 9 44 YES...

Page 15: ...6 15 10 54 YES 13 3 15 13 56 HS 2 6 NO 11 0 15 11 68 YES 13 7 15 13 70 575 3 60 STD 518 632 1 6 4 40 1 0 4 0 3 1 9 NO 10 3 15 10 45 YES 12 5 15 12 47 HS 2 0 NO 10 4 15 10 52 YES 12 6 15 12 53 HumidiMi...

Page 16: ...STD 187 254 2 17 6 125 2 1 4 0 6 10 6 NO 53 0 60 56 341 YES 59 0 70 61 345 HS 15 0 NO 57 4 70 61 364 YES 63 4 70 66 369 460 3 60 STD 414 508 2 8 3 62 5 2 0 7 0 3 4 8 NO 24 9 30 26 171 YES 27 6 30 29 1...

Page 17: ...high voltage and low voltage wiring 3 A field supplied relay must be installed between the Thermidistat and the Humidi Mizer circuit recommended relay HN612KK324 See Fig 19 The relay coil is connected...

Page 18: ...V Unit Shown ROOF TOP UNIT R C Y1 Y2 G W1 W2 PINK PINK RED 24V FROM HUMIDI MIZER SYSTEM LLSV R1 TS TATWIRES LCT R C Y1 Y2 G W1 W2 DEHUM OC R1 HUMIDI MIZER SYSTEM PINK LTLO CB 3 2 AMPS LEGEND CB Circu...

Page 19: ...ly air duct as required by local codes Drill or punch a 1 2 in hole in the flange or duct Use two field supplied self drilling screws to secure the sensor probe in a horizontal orientation NOTE The se...

Page 20: ...r Air Temperature sensor CRTEMPSN001A00 Included with factory installed PremierLink control field supplied and field installed with field installed PremierLink control NOTES 1 CO2 Sensors Optional 33Z...

Page 21: ...12 1 2 3 4 5 6 7 8 9 10 11 12 PNK PNK VIO VIO GRA ORN PNK PNK GRA GRA GRA SAT BRN ORN BLK RED Space Temp Set Point Adjustment Indoor Air Quality Sensor OAT PNK VIO YEL YEL BLU BLU Economi er2 4 20mA...

Page 22: ...in high outdoor air enthalpy state Terminals 2 and 3 close on low outdoor air enthalpy relative to indoor air enthalpy 3 Remove sensor mounted on back of control and locate in outside air stream C0601...

Page 23: ...ef damper in place 6 Insert the hood divider between the hood sides See Fig 34 and 35 Secure hood divider with 2 screws on each hood side The hood divider is also used as the bottom filter rack for th...

Page 24: ...nstalled Differential Dry Bulb CRTEMPSN002A00 Single Enthalpy HH57AC078 Differential Enthalpy HH57AC078 and CRENTDIF004A00 CO2 for DCV Control using a Wall Mounted CO2 Sensor 33ZCSENCO2 CO2 for DCV Co...

Page 25: ...R ASSEMBLY RED WHITE ECONOMISER2 PLUG DIRECT DRIVE ACTUATOR 2 NOTES 1 Switch on actuator must be in run position for economizer to operate 2 PremierLink control requires that the standard 50HJ540569 o...

Page 26: ...ame mounting location See Fig 29 Mount the return air enthalpy sensor in the return air duct See Fig 44 Wiring is provided in the EconoMi er IV wiring harness See Fig 36 The outdoor enthalpy changeove...

Page 27: ...oss terminals TR and TR1 5 Carefully adjust the minimum position potentiometer until the measured supply air temperature matches the calculated value 6 Reconnect the mixed air sensor to terminals T an...

Page 28: ...In order to have the CO2 sensor control the economizer damper in this manner first determine the damper voltage output for minimum or base ventilation Base ventilation is the ventilation required to...

Page 29: ...ing processes are more than adequate to remove the humidity loads for most commercial applications If normal rooftop heating and cooling operation is not adequate for the outdoor humidity level an ene...

Page 30: ...4 20 mA 0 1100 1100 50 5 Proportional 20 0 10V 4 20 mA 0 900 900 50 6 Exponential 15 0 10V 4 20 mA 0 1100 1100 50 7 Exponential 20 0 10V 4 20 mA 0 900 900 50 8 Health Safety Proportional 0 10V 4 20 mA...

Page 31: ...30 4 9 460 2 2 575 2 2 006 Single 1 30 1650 208 230 9 2 Three 2 40 2120 208 230 6 7 460 3 0 575 3 0 007 Three 2 40 2120 208 230 6 7 460 3 0 575 3 0 LEGEND Bhp Brake Horsepower Extensive motor and elec...

Page 32: ...se units ensures that the full range of the motor can be utilized with confidence Using the fan motors up to the ratings shown will not result in nuisance tripping or premature motor failure Unit warr...

Page 33: ...r rpms require field supplied drive Table 18 Fan Performance 48HJ004 48HE004 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bh...

Page 34: ...3 730 1027 0 89 888 1101 1 05 1040 1170 1 20 1189 1800 885 0 66 652 978 0 83 826 1060 1 00 994 1133 1 16 1157 1900 923 0 75 745 1014 0 94 930 1093 1 11 1109 2000 962 0 85 847 1049 1 05 1043 AIRFLOW CF...

Page 35: ...1 64 1627 1376 1 79 1779 1428 1 94 1930 1479 2 09 2078 1900 1293 1 63 1620 1350 1 79 1784 1405 1 96 1946 1457 2 12 2106 1506 2 28 2265 2000 1323 1 79 1776 1380 1 96 1950 1434 2 13 2123 1486 2 31 2293...

Page 36: ...an Performance 48HJ006 48HE006 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Wa...

Page 37: ...1429 1 96 1736 1503 2 19 1945 2600 1305 1 63 1448 1390 1 89 1677 1468 2 14 1900 1540 2 38 2117 2700 1348 1 80 1602 1431 2 07 1841 1507 2 33 2073 2800 1392 1 99 1768 1472 2 27 2016 2900 1435 2 19 1945...

Page 38: ...Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1406 1 43 1273 1475 1 58 1403 1540 1 72 1531 1601 1 87 1657 1660 2 00 1780 1900 1438 1 58 1401 1505 1 73 1541 1569 1 89 1678...

Page 39: ...Fan Performance 48HJ004 48HE004 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp...

Page 40: ...atts Rpm Bhp Watts Rpm Bhp Watts 1200 643 0 23 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 0 71 705 1300 675 0 28 277 790 0 40 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 0 4...

Page 41: ...98 867 1206 1 11 986 1279 1 25 1111 2000 1001 0 84 744 1085 0 96 855 1163 1 09 972 1238 1 23 1095 2100 1043 0 96 850 1123 1 09 965 1199 1 22 1086 2200 1085 1 09 966 1162 1 22 1086 2300 1127 1 23 1092...

Page 42: ...l other rpms require field supplied drive Table 33 Fan Performance 48HJ006 48HE006 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW CFM EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1...

Page 43: ...2 24 1990 2500 1196 1 51 1345 1273 1 73 1538 1345 1 96 1738 1412 2 19 1945 2600 1238 1 69 1497 1312 1 91 1697 1382 2 14 1904 1448 2 38 2117 2700 1280 1 87 1660 1352 2 10 1867 1420 2 34 2081 2800 1322...

Page 44: ...1 4 1 6 1 8 2 0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1322 1 56 1382 1388 1 77 1568 1451 1 98 1762 1510 2 21 1962 1568 2 44 2169 1900 1351 1 68 1495 1416 1 90 168...

Page 45: ...with water to ensure proper drainage d Make sure that all tools and miscellaneous loose parts have been removed START UP Step 1 Unit Preparation Make sure that the unit has been installed in accordan...

Page 46: ...NOMINAL INPUT Natural Gas Orifice Size Liquid Propane Orifice Size Natural Gas Orifice Size Liquid Propane Orifice Size 0 2 000 38 45 32 42 2 000 40 47 33 43 3 000 41 48 35 43 4 000 42 49 36 44 5 000...

Page 47: ...ill be energized and deenergized If field installed accessory CO2 sensors are connected to the EconoMi er IV control a demand controlled ventilation strategy will begin to operate As the CO2 level in...

Page 48: ...e S Indoor fan has been on for at least 30 seconds S The SPT SAT and OAT inputs must have valid readings S OAT must be less than 75_F S OAT must be less than SPT S Enthalpy must be LOW may be jumpered...

Page 49: ...n the space condition is satisfied and HS1 is deenergized the IFM stops after a 45 second time off delay unless in the occupied mode The fan will run continuously in the occupied mode as required by n...

Page 50: ...em sequence of operation SERVICE ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause personal injury or death When sevicing unit shut off all electrical power to unit and install lockou...

Page 51: ...ar at the start of the cooling season In winter keep the drain dry or protect it against freeze up filters Clean or replace at the start of each heating and cooling season or more often if operating c...

Page 52: ...er evacuating system to 500 microns weigh in the specified amount of refrigerant Refer to Table 1 or 2 and unit information plate Low charge cooling Using Cooling Charging Charts Fig 60 63 vary refrig...

Page 53: ...ing Charging Chart 48HJ005 with Optional Humidi MiZer Adaptive Dehumidification System NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liquid...

Page 54: ...with Optional Humidi MiZer Adaptive Dehumidification System C06146 Fig 67 Cooling Charging Chart 48HJ007 with Optional Humidi MiZer Adaptive Dehumidification System TO USE COOLING CHARGING CHART STAN...

Page 55: ...ure Example Fig 64 Leaving Condenser Pressure 250 psig Leaving Condenser Temperature 105 F NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liq...

Page 56: ...LED Light Emitting Diode A 3 second pause exists between LED error code flashes If more than one error code exists all applicable codes will be displayed in numeri cal sequence Indicates a code that i...

Page 57: ...EE F005 48HED E F006 C06154 Fig 74 Spark Gap Adjustment Cleaning and Adjustment 1 Remove burner rack from unit as described above 2 Inspect burners and if dirty remove burners from rack 3 Using a soft...

Page 58: ...egrated Gas Unit Controller LPS Low Pressure Switch LS Limit Switch MGV Main Gas Valve Splice Splice Marked Factory Wiring Field Control Wiring Field Power Wiring Accessory or Optional Wiring To indic...

Page 59: ...r IV preparation procedure has been performed 2 Ensure terminals AQ and AQ1 are open The LED for both DCV and Exhaust should be off The actuator should be fully closed 3 Connect a 9 v battery to AQ po...

Page 60: ...nadequate airflow to unit Check operation of indoor evaporator fan motor and that supply air temperature rise agrees with range on unit nameplate information Ignition Lockout LED 5 Flashes Unit unsucc...

Page 61: ...t Table 43 Humidi MiZer Adaptive Dehumidification System Subcooling Mode Service Analysis PROBLEM CAUSE REMEDY Subcooling Mode Liquid Reheat Will Not Energize No power to control transformer from evap...

Page 62: ...ce Restriction in refrigerant system Locate restriction and remove Compressor Operates Continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermos...

Page 63: ...ulating between closed and DCV maximum On Off On Off Off Off Off Off Low Free Cooling LED On High On On On Off Modulating Modulating On Off Off Off Off Off Off Off For single enthalpy control the modu...

Page 64: ...HARP METAL EDGES j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS III START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS L1 L2 L3 INDOOR FAN AMPS L1 L2 L3 TEMP...

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