LHE OIL LINE HEATER ELECTRIC TYPE

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Nathaniel Summers
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1 CAPACITIES Oil Temperature Rise ( F) Model KW Number Rating Oil Capacity (gph) LHE 10C LHE 15C LHE 20C LHE 25C LHE 30C LHE 40C LHE 50C LHE 60C LHE 70C LHE 75C LHE 80C LHE 90C LHE 100C LHE 110C LHE 125C LHE 150C LHE 175C LHE 200C LHE 225C LHE 250C NOTES: 1. Oil Capacities based on No. 6 fuel oil exiting the oil line heater at a viscosity of 90 SSU and includes a 20% safety factor. 2. Maximum inlet pressure is 100 psig. 3. Minimum oil flow rate to actuate flow switch for LHE is adjustable from 3 to 45 gph; for LHE 30 is 90 gph; for LHE is 120 gph; LHE is 180 gph; for LHE is 360 gph. 4. Standard supply voltage is 480V/3Ph/60Hz unless otherwise specified on order. SELECTION When choosing the proper oil line heater for a particular application, two basic criteria must be used; the required rise in oil temperature and the maximum oil capacity. The required rise in oil temperature is the difference between the temperature of the oil at the heater inlet and temperature to which the oil must be heated to achieve the viscosity for proper atomization. Typical atomizing temperature for No. 4 and No. 6 fuel oil are 160 F and 250 F, respectively. For ease in integrating Hauck oil line heater equipment, all Hauck literature assumes an atomizing viscosity of 90 SSU. Since the temperature rise can vary even between oil shipments of the same grade, Hauck recommends the use of a Hauck Viscometer to determine the exact required temperature rise for the oil to be burned. TO SELECT AN OIL LINE HEATER: 1. Read horizontally across the top of the table, locate the column representing the required oil temperature rise. 2. Read vertically down this column until you reach a capacity which equals or just exceeds your computed maximum capacity. 3. Read horizontally to the left to determine the model number of the oil line heater which meets your requirements. 4. Ensure that the oil supply system is adequately sized to satisfy the minimum oil flow rate requirement to actuate the flow switch at low fire; if inadequate, consult Hauck for alternate flow switch recommendation. (See Reverse Side For Metric Capacities) HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: LHE-2

2 METRIC CAPACITIES Oil Temperature Rise ( C) Model KW Number Rating Oil Capacity (lph) LHE 10C LHE 15C LHE 20C LHE 25C LHE 30C LHE 40C LHE 50C LHE 60C LHE 70C LHE 75C LHE 80C LHE 90C LHE 100C LHE 110C LHE 125C LHE 150C LHE 175C LHE 200C LHE 225C LHE 250C NOTES: 1. Oil Capacities based on No. 6 fuel oil exiting the oil line heater at a viscosity of 1.8x10-5 m 2 /sec and includes a 20% safety factor. 2. Maximum inlet pressure is 690 kpa. 3. Minimum oil flow rate to actuate flow switch for LHE is adjustable from 11 to 170 lph; for LHE 30 is 340 lph; for LHE is 454 lph; LHE is 681 lph; for LHE is 1362 lph. 4. Standard supply voltage is 480V/3Ph/60Hz unless otherwise specified on order. SELECTION When choosing the proper oil line heater for a particular application, two basic criteria must be used; the required rise in oil temperature and the maximum oil capacity. The required rise in oil temperature is the difference between the temperature of the oil at the heater inlet and temperature to which the oil must be heated to achieve the viscosity for proper atomization. Typical atomizing temperature for No. 4 and No. 6 fuel oil are 71 C and 121 C, respectively. For ease in integrating Hauck oil line heater equipment, all Hauck literature assumes an atomizing viscosity of 1.8x10-5 m 2 /sec. Since the temperature rise can vary even between oil shipments of the same grade, Hauck recommends the use of a Hauck Viscometer to determine the exact required temperature rise for the oil to be burned. TO SELECT AN OIL LINE HEATER: 1. Read horizontally across the top of the table, locate the column representing the required oil temperature rise. 2. Read vertically down this column until you reach a capacity which equals or just exceeds your computed maximum capacity. 3. Read horizontally to the left to determine the model number of the oil line heater which meets your requirements. 4. Ensure that the oil supply system is adequately sized to satisfy the minimum oil flow rate requirement to actuate the flow switch at low fire; if inadequate, consult Hauck for alternate flow switch recommendation.

3 DIMENSIONS Y7372 LHE 10C THROUGH LHE 25C (OVER) HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: LHE-3

4 LHE 30C THROUGH LHE 50C Y7373

5 DIMENSIONS LHE 60C THROUGH LHE 75C Y7374 HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: (OVER) LHE-3.1

6 LHE 80C THROUGH LHE 100C Y7375

DIMENSIONS LHE 110C THROUGH LHE 125C Y7376 (OVER) HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA 17042-0090 717-272-3051 11/06 www.

7 DIMENSIONS LHE 110C THROUGH LHE 125C Y7376 (OVER) HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: LHE-3.2

8 LHE 150C Y7377

9 DIMENSIONS LHE 175C Y7378 HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: (OVER) LHE-3.3

10 LHE 200C Y7379

11 DIMENSIONS LHE 225C Y7380 HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: (OVER) LHE-3.4

12 LHE 250C Y7381

13 SUPPLEMENTAL DATA TYPICAL SINGLE BURNER SYSTEM HEAVY OIL SUPPLY Y7514 HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA /06 Fax: (OVER) LHE-4

14 TYPICAL MULTIPLE BURNER SYSTEM HEAVY OIL SUPPLY Y7123

LHE OIL LINE HEATER ELECTRIC TYPE

INSTRUCTIONS LHE OIL LINE HEATER ELECTRIC TYPE WARNING These instructions are intended for use only by experienced, qualified combustion start-up personnel. Adjustment of this equipment and its components