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Allied LRP14GN Series, Installation And Maintenance Instructions Manual, Page: 2 / 19

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Allied LRP14GN Series Installation And Maintenance Instructions Manual Download Page 2

Page 2  of  19

508160-01

Issue 2125

Unit Dimensions - Small Base Gas/Electric

5.86

3.07

6.20

17.07

13.44

13.44

HORIZONTAL

SUPPLY

AIR

6.20

14.32

HORIZONTAL

RETURN

AIR

9.00

21.63

13.21

TYPICAL DRAIN

LOCATION

CONDENSATE

DRAIN 3/4 NPT

5.75

2.88

4.12

TYPICAL

VENT HOOD

3.87

3.62

6.00

26.19

32.20

POWER ENTRY

1-1/8 DIA. KNOCKOUT

LOW VOLTAGE ENTRY

7/8 KNOCKOUT

GAS ENTRY

23.50

40.89

SIDE VIEWS

L

11.49

2.33

47.66

1.98

16.77

2.48

14.02

47.66

BOTTOM

POWER ENTRY
BOTTOM

GAS ENTRY

6.94

2.33

11.49

16.07

18.52

3.25

4.56

20.31

21.06

23.19

DOWNFLOW

RETURN

AIR

DOWNFLOW

SUPPLY

AIR

TOP VIEW

Summary of Contents for LRP14GN Series

Page 1: ...s manual CAUTION Table of Contents Unit Dimensions 2 Roof Curb Dimensions 4 Adjustable Roof Curb Dimensions 6 Installation 8 Venting 10 Duct System 11 Filters 11 Condensate Drain 12 Gas Piping 12 Electrical Wiring 13 Heating Start Up 14 Operation 15 Maintenance 17 If this unit is to be installed in a mobile or manufactured home application the duct system must be sized to achieve static pressures ...

Page 2: ...AL DRAIN LOCATION CONDENSATE DRAIN 3 4 NPT 5 75 2 88 4 12 TYPICAL VENT HOOD 3 87 3 62 6 00 26 19 32 20 POWER ENTRY 1 1 8 DIA KNOCKOUT LOW VOLTAGE ENTRY 7 8 KNOCKOUT GAS ENTRY 23 50 40 89 SIDE VIEWS L 11 49 2 33 47 66 1 98 16 77 2 48 14 02 47 66 BOTTOM POWER ENTRY BOTTOM GAS ENTRY 6 94 2 33 11 49 16 07 18 52 3 25 4 56 20 31 21 06 23 19 DOWNFLOW RETURN AIR DOWNFLOW SUPPLY AIR TOP VIEW ...

Page 3: ... 89 4 20 3 76 6 20 17 07 18 19 18 19 9 00 6 20 14 32 HORIZONTAL SUPPLY AIR HORIZONTAL RETURN AIR 21 63 13 21 TYPICAL DRAIN LOCATION CONDENSATE DRAIN 3 4 NPT 5 75 2 88 4 12 TYPICAL VENT HOOD SIDE VIEWS TOP VIEW BOTTOM POWER ENTRY BOTTOM GAS ENTRY DOWNFLOW RETURN AIR 2 11 19 49 2 39 2 33 11 49 16 07 18 52 6 94 3 25 10 06 19 49 DOWNFLOW SUPPLY AIR 25 81 26 56 28 68 11 49 2 33 47 66 56 13 ...

Page 4: ...x 330 mm 44 3 8 1127 44 3 8 1127 16 7 8 429 13 7 8 352 2 1 8 54 11 1 2 287 SUPPLY OPENING RETURN OPENING 8 203 14 356 18 457 24 610 3 4 19 1 25 5 1 2 140 5 3 4 146 11 1 2 287 17 1 4 438 1 3 8 35 3 3 4 95 13 330 3 76 NOTE If bottom entry is used condensate from the heat exchanger may leak during warm ambient temperatures in humid climates Ensure that bottom entry is watertight if used Roof Curb Dim...

Page 5: ...ase 3 x 13 in 76 x 330 mm 52 7 8 1343 44 3 8 1127 19 1 2 380 11 1 2 287 19 1 2 380 2 1 8 54 11 1 2 287 SUPPLY OPENING RETURN OPENING 8 203 14 356 18 457 24 610 3 3 4 95 22 7 8 581 7 178 3 4 19 1 25 NOTE If bottom entry is used condensate from the heat exchanger may leak during warm ambient temperatures in humid climates Ensure that bottom entry is watertight if used Roof Curb Dimensions Large Base...

Page 6: ...8 2 1 8 14 1 3 1 2 13 1 2 44 3 8 Bottom Curb Assembly Opening for Gas Entry thru base 11 5 8 5 1 2 5 3 4 3 5 8 1 3 8 17 1 4 13 7 8 16 7 8 44 3 8 Insulated Panels Opening for Power Line Entry thru base NOTE Roof deck may be omitted within confines of curb NOTE If bottom entry is used condensate from the heat exchanger may leak during warm ambient temperatures in humid climates Ensure that bottom en...

Page 7: ...8 11 5 8 2 1 8 19 3 8 11 5 8 14 23 1 8 1 5 1 2 5 3 4 3 1 2 3 1 2 13 1 2 6 7 8 52 7 8 44 3 8 Insulated Panels Opening for Power Line Entry thru base Bottom Curb Assembly Opening for Gas Entry thru base NOTE Roof deck may be omitted within confines of curb NOTE If bottom entry is used condensate from the heat exchanger may leak during warm ambient temperatures in humid climates Ensure that bottom en...

Page 8: ...nspection by the carrier s agent should be made in writing Location Use the following guidelines to select a suitable location for these units 1 Unit is designed for outdoor installation only Unit must be installed so all electrical components are protected from water 2 Condenser coils must have an unlimited supply of air 3 For ground level installation use a level prefabricated pad or use a level...

Page 9: ...rubs to obstruct condenser air discharge outlet combustion air inlet or vent outlet Clearance to Combustibles Clearance for Service Access Front of unit 0 in 24 in Back of unit 0 in 0 in Left side 0 in 24 in Right side from vent hood 12 in 24 in Base of unit 0 in 0 in Top of unit 0 in 48 in Minimum clearance to combustible material below the flue is 10 inches to allow proper dissipation of flue ga...

Page 10: ...nt hood inside the return air compartment Locate the vent hood and attach to side of utility panel with screws provided in the instruction bag see Figure 2 Vent Hood Attach with Screws Figure 2 Installing Vent Hood 2 All panels must be in place for rigging 3 Place field provided spreaders in place Spreaders must be of adequate strength and length must exceed unit dimension by 6 inches Units may al...

Page 11: ...el Gas Code ANSI Z223 1 latest edition or CAN CGA B149 1 2 Canadian Installation Codes to correct improper operation of common venting system Duct System The duct system should be designed and sized according to the methods in the Air Conditioning Contractors of America ACCA manual that is most appropriate to the installation application A closed return air duct system shall be used This shall not...

Page 12: ...lled immediately upstream of the gas supply connection to the furnace Gas Connection The gas supply line is routed through the gas entry location on the side of the unit see Figure 4 A grommet is provided in the instruction bag and should be used to seal gas supply line to gas entry of control compartment Table 2 Unit Air Filter Sizes inches Unit Model Filter 1 Filter 2 24 30 36 14 x 20 x 1 20 x 2...

Page 13: ... wiring should be done in accordance with the National Electrical Code ANSI NFPA No 70 latest edition Canadian Electrical Code Part 1 CSA C22 1 latest edition or local codes where they prevail Use wiring with a temperature limitation of 75 C minimum Run the 208 or 230 volt 60 hertz electric power supply through a fused disconnect switch to the control box of the unit and connect as shown in the wi...

Page 14: ... mountings factory adjusted and ready for operation Do not loosen compressor mounting bolts CAUTION Heating Start Up For Your Safety Read Before Lighting Furnace is equipped with a direct ignition control Do not attempt to manually light the burners CAUTION Pre Start Checklist Complete the following checks before starting the unit 1 Check the type of gas being supplied Be sure it is the same as li...

Page 15: ...r natural gas rated inputs with manifold pressure of 2 7 3 1 w c BTU HR Input Cubic Feet per Revolution x 3600 x Heating Value Seconds per Revolution For example by actual measurement it takes 67 seconds for the hand on the 1 cubic foot dial to make a revolution with a 54 000 BTU HR furnace running The result is 53 731 BTU HR based on a heating value of 1 000 Btu ft which is close to the 54 000 BT...

Page 16: ...ition control and closes the main gas valve The switch resets automatically Cooling System Performance This equipment is a self contained factory optimized refrigerant system The unit should not require adjustments to system charge when properly installed If unit performance is questioned perform the following checks Cooling System Performance Values Model Suction Superheat 3 Liquid Subcooling 2 2...

Page 17: ...eaning Care should be used when cleaning the coil so that the coil fins are not damaged Do not permit the hot condenser air discharge to be obstructed by overhanging structures or shrubs Condenser Coil Clean condenser coil annually with water and inspect monthly during the cooling season Condenser coil may need to be cleaned at startup in case oil from the manufacturing process is found on the con...

Page 18: ...2 154 155 157 36 135 137 140 142 143 144 147 149 151 152 154 155 42 129 132 135 139 140 141 143 145 146 147 148 149 48 132 136 139 143 144 145 146 147 149 151 152 154 60 130 131 133 134 135 136 139 141 144 146 149 152 24 Liquid 250 266 282 298 304 318 340 363 388 413 438 463 30 247 269 292 314 323 336 358 380 406 432 457 483 36 250 275 301 326 336 351 375 399 423 446 470 493 42 248 271 293 316 325...

Page 19: ...508160 01 Page 19 of 19 Issue 2125 Figure 8 Wiring Diagram Single Phase CT ...

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