Hearth & Home Technologies TRUE-42 User Manual

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Heat & Glo  • TRUE-36, TRUE-42, TRUE-50  •  2282-900 Rev. D    •  8/12
C. BTU Specifi cations
This product is listed to ANSI standards for “Vented Gas 
Appliance Heaters” and applicable sections of “Gas Burn-
ing Heating Appliances for Manufactured Homes and 
Recreational Vehicles”, and “Gas Fired Appliances for 
Use at High Altitudes”.
A. Appliance Certifi cation
E.  Non-Combustible Materials Specifi cation
Material which will not ignite and burn. Such materials are 
those consisting entirely of steel, iron, brick, tile, concrete, 
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136, 
Standard Test Method for Behavior of Materials in a 
Vertical Tube Furnace at 750 ºC 
and UL763 shall be 
considered non-combustible materials.
F.  Combustible Materials Specifi cation
Materials made of or surfaced with wood, compressed pa-
per, plant fi bers, plastics, or other material that can ignite 
and burn, whether fl ame proofed or not, or plastered or 
unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE:  This appliance must be electrically wired 
and grounded in accordance with local codes or, in the 
absence of local codes, with 
National Electric Code 
ANSI/NFPA 70-latest edition 
or the Canadian Electric 
Code CSA C22.1.
•  A 110-120 VAC circuit for this product must be pro-
tected with ground-fault circuit-interrupter protection, 
in compliance with the applicable electrical codes, 
when it is installed in locations such as in bathrooms 
or near sinks.
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.  
This appliance is tested and approved as either supplemen-
tal room heat or as a decorative appliance.  It should not be 
factored as primary heat in residential heating calculations.
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced, 
these rules do not apply. Check with your local gas utility 
or authorities having jurisdiction.
When installing above 2000 feet  elevation:
•  In the USA: Reduce input rate 4% for each 1000 feet  
above 2000 feet.
•  In CANADA: Reduce input rate 10% for elevations 
between 2000 feet  and 4500 feet. Above 4500 feet, 
consult local gas utility.
Check with your local gas utility to determine proper 
orifi ce size.
NOTICE: This installation must conform with local codes. 
In the absence of local codes you must comply with the 
National Fuel Gas Code, ANSI Z223.1-latest edition in 
the U.S.A. and the CAN/CGA B149 Installation Codes in 
Canada.
Listing and Code Approvals 
 
B. Glass Specifi cations
This appliance is equipped with 5 mm ceramic glass with 
an anti-refl ective coating. Replace glass only with glass 
with identical specifi cations.  Please contact your dealer 
for replacement glass.
MODELS: TRUE-36C, TRUE-36H, TRUE-36S,
 
   TRUE-42C, TRUE-42H, TRUE-42S
 
   TRUE-50C, TRUE-50H, TRUE-50S 
LABORATORY:  Underwriters Laboratories, Inc. (UL)
TYPE:  
Direct Vent Gas Appliance Heater
STANDARD:
 ANSI Z21.88-2009 • CSA 2.33-2009
Models
(U.S. or Canada)
Maximum
Input 
BTU/h
Minimum
Input 
BTU/h
Orifi ce
Size 
(DMS)
TRUE-36 (NG)
US
(0-2000 FT)
45,500
28,000
#30
CANADA
(2000-4500 FT)
41,000
25,000
#31
TRUE-36  (LP)
US
(0-2000 FT)
43,500
27,500
#47
CANADA
(2000-4500 FT)
39,000
25,000
#48
TRUE-42  (NG)
US
(0-2000 FT)
55,500
30,500
#26
CANADA
(2000-4500 FT)
50,000
27,500
#27
TRUE-42 (LP)
US
(0-2000 FT)
51,500
29,000
#45
CANADA
(2000-4500 FT)
46,500
26,000
#46
TRUE-50 (NG)
US
(0-2000 FT)
65,000
36,000
#24
CANADA
(2000-4500 FT)
58,500
32,500
#25
TRUE-50 (LP)
US
(0-2000 FT)
63,500
32,500
#43
CANADA
(2000-4500 FT)
57,000
29,500
#44