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Chromalox thermostat wiring diagrams
for HVAC systems
Chromalox installation instructions
- POST a QUESTION or COMMENT about schematic wiring diagrams for room thermostats for HVAC system control.
Thermostat wiring schematics: this article provides room thermostat wiring diagrams fo rChromalox thermostats.
For people who prefer to see an actual wiring schematic or diagram when wiring up a room thermostat, those illustrations are provided here to help understand what wires are being connected and what each wire is doing.
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Chromalox Heating Thermostat Wiring Diagrams
[Click to enlarge any image]
Above left: Chromalox Heat Flo Thermostat Kit Wiring Diagram (1 of 2) for Chromalox HeatFlo® Type KUH-TK3 and KUH-TK4 used only in KUH-02 through KUH-45 heaters.
Below: Chromalox Thermostat Kits HVH-TK6 and HVH-TK6 for field installation only in Chromalox HVH-02 through HVH-15 heaters. More wiring diagrams are given in the Chromalox HeatFlow installation manuals linked-to below.
More Help with Chromalox Thermostats - Industrial Heating Applications
Chromalox Corporation with headquarters in Pittsburgh, PA in the U.S. has offices world wide and has manufacturign facilities in the U.S. (Utah and Tennessee), Nuevo Laredo, Mexico, Soissons, France, Wujiang, China, and Edmonton Canada
- Chromalox Precision Heat and Control, 1347 Heil Quaker Blvd., Lavergne TN 37086, USA, Telephone: 1-800-443-2640, Website: https://www.chromalox.com/
- Chromalox HeatFlo Thermostat Kits Installation Manual for Type KUH-TK3 & KUH-TK4 electric heaters (2002), retrieved 1 Sept 2015, original source:
https://www.chromalox.com/-/media/files/catalog/resources/en-us/im-pf467.pdf - Chromalox HeatFlo Thermostat Kits Installation Manual for Type KUH-TK5 & KUH-TK6 electric heaters (2007), retrieved 1 Sept 2015, original source: https://www.chromalox.com/-/media/files/catalog/resources/en-us/im-pf204.pdf
- Chromalox CH Infinite Control Mechanism heater control Installation Manual PK414-6 (1998), retrieved 1 Sept 2015, original source:
https://www.chromalox.com/-/media/files/catalog/resources/en-us/im-pk414.pdf - Chromalox Type WT Room Thermostat Installation Manual (1995), this is a high voltage (240V) thermostat whose photo is included below. Retrieved 1 Sept 2015, original source:
https://www.chromalox.com/-/media/files/catalog/resources/en-us/im-pk477.pdf - Chromalox Type WTL Low Voltage Room Thermostat Installation Manual (1995), retrieved 1 Sept 2015, original source:
https://www.chromalox.com/-/media/files/catalog/resources/en-us/im-pk478.pdf - A simple wiring schematic for this thermostat is shown at above-left: the two 24-volt AC thermostat wires for this control are attached to terminals 5 (red) and 4 (white).
- Chromalox complete list of technical manuals including more than 20 different heating thermostat installation manuals can be found at
https://www.chromalox.com/en/resources-and-support/technical-resources/installation-manuals
These include- Chromalox thermostats, models CH, WCRT, WR, WT and WTL
- Chromalox bulb & capillary thermostats, models AR (single or three phase), AR-EP, ARC, ARR, B100, BCT, E100, GNIT, and PIT
- Chromalox Thermwire Heat Trace Cables and connection kits
- Chromalox Industrial Convection Heaters and Unit Heater Installation Manuals (including those live-linked-to above in this article), 7150, CAF-12, CAF-20,CAF-6, CCAS-12, CCAS-8, EH, H, HCH, HVT, and V Convection Heaters, and Unit Heaters: CCH, DRA, HF, HVH, KUH, SDRA, SDRA-RG and UB, and other heater types as well.
Below: The Chromalux Type WT high voltage room thermostat.
...
Continue reading at THERMOSTAT INSTALLATION STEPS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX.
Or see these
Thermostat Wiring & Installation Articles
- THERMOSTAT INSTALLATION STEPS - how to replace or install a new thermostat
- THERMOSTAT WIRING COLOR CODES & methods for identifying which thermostat wire is which if yours have lost their labels or have unclear color codes.
- THERMOSTAT WIRE CONNECTIONS detailed room thermostat installation & wiring guide for each heating or cooling system type and each thermostat brand / model
- COMMON WIRE at THERMOSTATS
- CONVERT LINE to LOW VOLTAGE THERMOSTAT
- THERMOSTAT WIRE CONNECTIONS - 2-WIRE like the T87F
- THERMOSTAT WIRE CONNECTIONS - 3-WIRE Red, White, Blue Wires
- THERMOSTAT WIRE CONNECTIONS - 4-WIRE Red, Yellow, Green, White
- THERMOSTAT WIRE CONNECTIONS - 5-WIRE Blue/Black, Red, White, Yellow, Green
- THERMOSTAT WIRE CONNECTIONS - 6-WIRE Red, White, Blue, Yellow, Green, Orange Wires
- THERMOSTAT WIRE CONNECTIONS - 8-WIRE Black, Red, White, Yellow, Green, Orange, Brown, Blue
- THERMOSTAT WIRE SORTING to ID R W B
- THERMOSTAT WIRING OPENING SEAL
- THERMOSTAT WIRING in PARALLEL / MULTIPLES
- THERMOSTAT WIRE TERMINAL ID CODES / FUNCTIONS - what are the R, W, and other thermostat wire terminals used for?
Suggested citation for this web page
CHROMALOX THERMOSTAT WIRING DIAGRAMS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.
Or see this
INDEX to RELATED ARTICLES: ARTICLE INDEX to HVAC THERMOSTATS
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Citations & References
In addition to any citations in the article above, a full list is available on request.
- [1] ...
- [2] Thanks to reader S.R. for discussing loss of heat due to a thermostat wiring mistake, October 2010
- [3] Thank to Mr. Scott Meenen , G&S Mechanical Services , for providing some common thermostat wiring codes also found at Mr. Meenen's web page Malware Deleted 12/9/2014 . Mr. Meenan provides heating, heat pump, and air conditioning repair services in Maryland, Washington D.C., and northern Virginia. He can be contacted at 301-591-1646 or by Email to Malware Deleted 12/9/2014 - 10/2010. Quoting:
We service American Standard, Amana, Arco, Arco-Air, Bryant, Carrier, Coleman Evcon, Comfortmaker, Day/Night/Payne, Dunham-Bush, Fedders, Fredrich, Goodman, General Electric, Heil, Intertherm, ICP, Janitrol, Lennox (Armstrong, Johnson Air-Ease), Miller, Modine, Nordyne, Rheem/Ruud/Weatherking, Sears, Stewart Warner, Trane, Weather King, Williams, White-Westinghouse, Whirlpool, Weil Mclain, York, (Frasier Johnson/Borg Warner) and others. - [4] Azel Technologies Inc., P.O. Box 53138 10 Royal Orchard Blvd. Thornhill, Ontario, Canada L3T 7R9 Ph: 905-223-5567 Fax: 905-223-3778 Email: info@azeltec.com, Website: www.azeltec.com.
- [5] Honeywell Controls, the company wants you to use their contact form at this web page: http://www51.honeywell.com/honeywell/contact-support/contact-us.html
Honeywell Consumer Products, 39 Old Ridgebury Road Danbury, CT 06810-5110 - (203) 830-7800
World Headquarters, Honeywell International Inc., 101 Columbia Road, Morristown, NJ 07962, Phone: (973) 455-2000, Fax: (973) 455-4807 1-800-328-5111- Honeywell product model numbers & instruction Manuals: see http://yourhome.honeywell.com/home/Applications/FindYourModelNumber.aspx
- In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested
CONTINUE READING or RECOMMENDED ARTICLES. - [8] "Automatic Oil Burner Controls - Thermostats", Domestic and Commercial Oil Burners, 3rd Ed., Charles H. Burkhardt, McGraw Hill, 1969 (and later editions), ASIN B0000EG4Y8
- [9] Thermostat wiring color codes & conventions, Thanks to reader " Helpful Pointers" Regarding 24V T, 10/7/2012
- [10] Domestic Central Heating Wiring Systems and Controls, 2d Ed., Raymond Ward, Newnes, ISBN-10: 0750664363, ISBN-13: 978-0750664363, Quoting from Amazon.com:
This unique A-Z guide to central heating wiring systems provides a comprehensive reference manual for hundreds of items of heating and control equipment, making it an indispensable handbook for electricians and installers across the country. The book provides comprehensive coverage of wiring and technical specifications, and now includes increased coverage of combination boilers, recently developed control features and SEDBUK (Seasonal Efficiency of Domestic Boilers in the UK) boilers ratings, where known.
In addition to providing concise details of nearly 500 different boilers fuelled by electric, gas, oil and solid fuel, and over 400 programmers and time switches, this invaluable resource also features numerous easy-to-understand wiring diagrams with notes on all definitive systems. Brief component descriptions are provided, along with updated contact and website details for most major manufacturers. - [11] Proliphix Corporate Headquarters [Website: proliphix.com] , 3 LAN Drive Suite #100, Westford, MA 01886 Phone: +1.978.692.3375 Toll Free (U.S.): 866-IP-LIVING (866.475.4846) Fax: +1.978.692.3378 - Sales: sales@proliphix.com Marketing: marketing@proliphix.com Customer support: support@proliphix.com http://www.proliphix.com/ - quoting from the company's website:
All Proliphix Network Thermostats come with our free Uniphy Remote Management Service. This unique offering lets you monitor and control your HVAC systems by simply pointing your Browser to our secure Proliphix Web Site. Enjoy the convenience of programming a thermostat from any location, using a simple graphical interface. No computer equipment or software is required. And since Proliphix takes care of the network configuration for you, you’ll be up and running in no time. We’ll even proactively monitor your thermostats and send you an immediate email or SMS message when an HVAC problem is detected. - [12] "Heating Control Handbook for the Installer and Service Man,Oil Burner, Gas Burner and Stoker Controls", Honeywell Corporation, March 1949 [copy on file as HoneywellControlsHandbookSA1399-2-1949.pdf] . Some of the controls discussed in detail here include the
- Honeywell T1 and T11A = Series 10
- Honeywell T21A (T2) = Series 20
- Honeywell T847A = Series 80
- Honeywell RA117A (RA1) = Series 10
- Honeywell LA101A = Series 10,
- Honeywell LA419A (LA4) = Series 40
- V155A = Series 10, V435A = Series 40, V575A = Series 50, V835A = Series 80
- [13] Trane TCONT800 Series Touch Screen Programmable Comfort Control Ownes Guide, American Standard, Inc., Troup Highway, Tyler TX 75711, January 2005, Telephone: Customer Service: 1-877-3381, website: www.trane.com
- In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested
CONTINUE READING or RECOMMENDED ARTICLES.
- Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. Tel: (416) 964-9415 1-800-268-7070 Email: info@carsondunlop.com. Alan Carson is a past president of ASHI, the American Society of Home Inspectors.
Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The HOME REFERENCE BOOK - the Encyclopedia of Homes and to use illustrations from The ILLUSTRATED HOME .
Carson Dunlop Associates provides extensive home inspection education and report writing material. In gratitude we provide links to tsome Carson Dunlop Associates products and services.
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