Chromalox NWHO-6 user manual

Summary of the content on the page No. 1

®
Chromalox
SERVICE REFERENCE
Installation Instructions
DIVISION 4 SECTION NWHO
and
SALES
(Supersedes PE408-3)
REFERENCE PE408-4
RENEWAL PARTS IDENTIFICATION
161-048341-001
DATE JULY, 1990
1-3/8” Conduit
Openings
16-1/16
Type NWHO-6
2” Pipe
C
Outlet
Circulation Heaters (for
Thermostat
Type AR
Regular and Fuel Oil Heating)
Specifications — Table A
Regular Oil Heaters
A B 25”
Dimensions (In.)
2
Model Volts Phase kWW/In
Mounting Lugs
AB C
3/8” - 16
Threaded Ho

Summary of the content on the page No. 2

INSTALLATION 3. Whether vertically or horizontally, the heater should be rigidly 5. DANGER: Hazard of Fire. Provide minimum of 6” spacing mounted so that vibration is at a minimum since excessive from chamber and related piping to nearest combustible material. vibration will result in erratic thermostat operation. The Avoid operation of heater near combustible fluids or in com- NWHO-6 is provided with mounting lugs to support the heat- bustible vapor or gas laden atmosphere. NOTE: Contact factor

Summary of the content on the page No. 3

OPERATION 1. Do not heat solutions that are corrosive to the heating element any electric circulation heater against failure by sheath or the heating chamber. sheath corrosion if such failure is the result of operating conditions beyond our control. WARNING: Type NWHO Circulation Heaters are 2. Terminal ends of heater must be protected from drippings, equipped with steel heating elements and galva- condensation, spray or direct spill-over of material. Their nized-steel heating chambers. It is th

Summary of the content on the page No. 4

Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx. 2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com 99 - 063 TA - R9 - EF Litho in U.S.A.