Lugs/ "-13 x / " Deep1122Dimensions (Inches) AB11" 7-7/8" 6" E1 E2 Dim. (In.) Model PCNA B Cast Iron Body / Oil .5 to 10 kW 29 29 19 19 NWHOSR-06-04P5-E1 NWHOSR-06-04P5-E1 100108 100116 41 303/4 NWHOSR-06-005P-E1 100124 29 29 19 19 NWHOSR-06-006P-E1 NWHOSR-06-006P-E1 100132 100140 41 303/4 NWHOSR-06-010P-E1 100159 Galvanized Body / Water .5 to 40 kW 29 29 19 19 NWHSRG-06-018P-E1 NWHSRG-06-018P-E1 100010 100028 41 303/4 NWHSRG-06-020P-E1 100036 29 29 19 19 NWHSRG-06-024P-E1 NWHSRG-06-024P-E1 1000

B. Avoid contact between heater and combustible material. C. Keep combustible materials far enough away to be free of the effects of high temperatures. © 2010 Chromalox, Inc. WIRING CAUTION: Hazard of Electric Shock. Any installation involving electric heaters must be effectively grounded in accordance with National Electrical Codes to eliminate shock hazard. 1. Electrical wiring to heater must be installed in accordance with the National Electrical Code and local electric codes. 2. When element

WARNING: It is the responsibility of the purchaser of the heater to make the ultimate choice of sheath material based upon his knowledge of the chemical composition of the corrosive solution, character of the materials entering the solution, and controls which he maintains on the process. Chromalox cannot warrant any electric immersion heater against failure by sheath corrosion if such failure is the result of operating conditions beyond our control. 1. Heater Construction Characteristics A. Hig

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Circuit Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. of Power Circuits . . . . . . . . . . . . . . . Amps. . . . . . . . . . . . . . . . . . . . Electrical Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control

WARNING: Hazard of Electric Shock and Thermal Burns. These troubleshooting checks should only be performed by qualified personnel after review of the Installation and Operating Instructions for your specific Chromalox Electric Steam Boiler. For convenience, we have outlined a brief description of typical malfunctions and the area that should be explored in order to make the proper correction. This is followed by a detailed analysis of the five areas listed above. TYPICAL MALFUNCTIONS & PROPER CO

Failure to comply can result in personal injury or property damage. The NWH-JR is a compact water circulation heater ideally suited for use as an engine coolant water heater and for many other uses where on-the-spot hot water is required. The copper-sheathed tubular heating element is centered in a galvanized iron or brass pipe body. Its screw-plug type mounting provides easy removal when necessary. The assembly is surrounded by insulation and a sheet metal jacket. An integral 60-180°F range the

6. If the fitting is used thru an opening* use the locknut and plastic washer to fasten it. * Opening for 1/2” NPT thread is 7/8”. OPERATION 1. Do not operate heater at voltages in excess of that stamped on the heater since excess voltage will shorten heater life. 2. Always maintain a minimum of 2” of solution above the heated portion of the element to prevent exposure of the effective heated length. If the heater is not properly submerged, it may overheat and shorten heater life. Do not operate

Failure to comply can result in explosion or fire. Hazardous area terminal housings are available, consult your Local Chromalox representative for details. The NWHMT series is a general-purpose water circulation heater intended for use indoors. The three Copper sheathed tubular elements are centered in a 21/ 2” diameter galvanized heating chamber and sealed in a removable screwplug. The assembly is surrounded by 1-1/2” insulation and sheet metal jacket. Depending upon the specifications, the NWH

9 155-024796-009 300-057560-007 300-048481-006 NWH-31225 240 1 12 155-024796-011 300-057560-007 300-048481-006 NWH-31225 240 3. 12 155-024796-012 300-057560-007 300-048481-006 NWH-31225 480 1 12 155-024796-013 300-057560-007 300-048481-006 NWH-31225 480 3. 12 155-024796-014 300-057560-007 NWH-31525 240 1 15 155-024796-016 300-057560-007 300-048481-006 NWH-31525 240 3. 15 155-024796-017 300-057560-007 300-048481-006 NWH-31525 480 1 15 155-024796-018 300-057560-007 300-048481-006 NWH-31525 480 3.

materials entering the solution as well as the cor 3. If foreign material is carried by the liquid flow, install suitable rosive effect of the solution upon the heating ele filters in the inlet pipe line to the heater. ments and chamber. Chromalox cannot warrant 4. Do not allow heater to operate when liquid flow is interrupted. MAINTENANCE 1. WARNING: Hazard of Electric Shock. Disconnect all 3. Periodically check temperature control and limit control operpower before servicing heater. ation to i