Indeeco INVIZATHERM STS-U12-0871B User manual

COMFORT HEATERS
INDEECO
425 Hanley Industrial Court – St. Louis, MO 63144 – [phone]
Fax: [phone] – www.indeeco.com

IMPORTANT INSTRUCTIONS:
Read allthese instruc�ons before installing or using this heater.
Indeeco is interested in the safe operaof its equipment. All wiring to this equipment
must be connected to the electrical source in strict accordance with Naonal Electrical Code
(N. E. C.) and local codes having jurisdicon.
Before installing this equipment, the user must be aware of the safety requirements as
specied by the Naonal Board of Fire Underwriters.
Do not “Box” in or further insulate the back of the on which might cause a heat buildup in
the wiring raceway. The back surface of the raceway should be at least 4 inches from
combusble material.
CAUTION: Puncture of the element face may result in a shock hazard.
This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep
combusble materials, such as furniture, pillows, bedding, papers, clothes, etc. and curtains at
least 3 feet from the front of the heater and keep them away from the sides and rear.
Extreme cauon is necessary when any heater is used by or near children or invalids and
whenever the heater is leoperang and unaended.
Do not operate any heater aer it malfuncons. Disconnect power at service panel and have
heater inspected by a reputable electrician before reusing.
To disconnect heater, turn opower to heater circuit at main disconnect panel.
Do not insert or allow foreign objects to enter any venlaon opening as this may cause an
electric shock or  or damage to the heater.
Aheater has hot and arcing or sparking parts inside. Do not use it in areas where gasoline,
paint, or ammable vapors or liquids are used or stored.
Use this heater only as described in this manual. Any other use not recommended by the
manufacturer may cause , electric shock, or injury to persons.
SAVE THESE INSTRUCTIONS

INSTALLATION:
All wiring to this equipment must be connected to the electrical source in strict accordance
with Naonal Electrical Code (N. E. C.) and local codes having jurisdicon.
Before installing this equipment, the user must be aware of the safety requirements as
specied by the Naonal Board of Fire Underwriters.
Do not install the on closer than:
4 inches to a horizontal surface
12 inches to a vercal surface
36 inches to another heater
6 feet from the oor
For wall mounng (above 6 feet from oor), outlet box and wiring raceway should always face
adjacent vercal wall mounng surface.
For angle posioning, the heater should not be directed toward any vercal surface closer than
6 feet.
IMPORTANT: When using the mounng brackets, a minimum of 4 inches should be le
between the corners of the heang secand any horizontal or vercal surface. See drawing
below.
Fig. 1 – WALL MOUNTING

Once the heater is mounted to the wall, posi the heater to the desired angle between 37°
and 53° downward from the horizontal, limited by the slot length. Tighten the two bolts to
secure the heater.
WARNING! Risk of  Do not posion any heater at an angle not allowed by
the sloed hole (37°-53°).
Do not install the on closer than:
FOR CEILING MOUNTING:
36 inches to a vercal surface for vercal mounng
4 inches to a vercal surface for angled ceiling mounng
4 inches to a horizontal surface for wall mounng
12 inches to an adjacent vercal surface
36 inches to another heater
6 feet from the oor
Fig. 2 – CEILING MOUNTING VERTICAL

Fig. 3 – CEILING MOUNTING ANGLED AWAY FROM VERTICAL SURFACE
Fig. 4 – CEILING MOUNTING ANGLED TOWARDS VERTICAL SURFACE

PROTECTED AREA MOUNTING:
A Protected Area is dened as “Located in an area that is par protected from the eects of
weathering.” Typical protected areas would be the underside of a pavilion with a roof, garage
port, and the like.
FOR PROTECTED AREA WALL MOUNTING:
Adhere to all requirement for mounng listed above. Addinally:
Do not install the on closer than 18 inches to edge of overhang of roof and no more
than 7.25 inches (to top of bracket) below the edge.
The heater needs to be installed in a posiuch that it is protected from rain, snow, and
similar outdoor wet areas.
Fig. 5 – PROTECTED AREA MOUNTING

FOR PROTECTED AREA CEILING MOUNTING:
Adhere to all requirement for Ceiling Mounng listed above. Addinally:
Do not install the on closer than 18 inches to edge of overhang of roof.
The heater needs to be installed in a posiuch that it is protected from rain, snow, and
similar outdoor wet areas.
Fig. – PROTECTED AREA CEILING MOUNTING

For supply connecns use the wire size (or larger) as directed by the chart below. All wires
must be suitable for at least 75°C (167°F).
MODEL NUMBER 120 VOLT
AWG. WIRE SIZE
208/240 VOLT
AWG. WIRE SIZE
277 VOLT AWG.
WIRE SIZE
480 VOLT
AWG. WIRE SIZE
STS-U12-0871B
STS-U12-1081B
STS-U12-1111B
STS-U12-1681B
STS-U12-1436J - 14 - -
STS-U24-1015V
STS-U24-1316B
STS-U24-1659B 12 - - -
STS-U24-2192B
STS-U24-2222B
STS-U24-3363B 8 - - -
STS-U24-1297V
STS-U24-1701V
STS-U24-2001V
STS-U24-2428V
STS-U24-3239V - 12 - -
STS-U48-2030V
STS-U48-2594V
STS-U48-3402V - 12 - -
STS-U48-4002V
STS-U48-4856V
STS-U48-6478V - 8 - -
STS-U48-2030T
STS-U48-2594T
STS-U48-3402T - 12 - 14
STS-U48-4002T
STS-U48-4856T
STS-U48-6478T - 8 - 12
STS-U48-3964N - - 12 -
STS-U48-4776N
STS-U48-6056N
10-- -
14
10
- - -
- - -
- - 14
- - 14
- -
- 14 - -
- -
14 - - -
SUPPLY CONNECTIONS
- -
10 -
14
10
14 -
12 -

To reduce the risk of , do not store or use gasoline other able vapors and liquids in the
vicinity of the heater.
CAUTION – High temperature, risk of re, keep electrical cords, drapery, furnishings, and
other combusbles at least 6 feet (0.9 m) from the front of the heater and away from the side
and rear.
MODEL NUMBER
120 VOLT
AWG. WIRE SIZE
208/240 VOLT
AWG. WIRE SIZE
277 VOLT AWG.
WIRE SIZE
480 VOLT
AWG. WIRE SIZE
STS-U24-1992P
STS-U24-2442P
STS-U24-3041P
STS-U48-3971P
STS-U48-4794P
STS-U48-5954P
STS-U48-3928U
STS-U48-4838U
STS-U48-6060U
14 - -
14
12- - -
- - -
-
SUPPLY CONNECTIONS

WIRING DIAGRAMS

OPERATION:
Heaters must be properly installed before use.
Do not operate heaters without all covers in place.
No user maintenance is needed for heaters. Any other servicing should be performed by
authorized service personnel.
During producon, the heang element of this unit may have absorbed moisture. The t e
your heater is turned ON, it may smoke/steam while the moisture is released. This
smoke/steam is NORMAL and not harmful. It will stop aer 10-15 minutes of operaon and not
occur aer st use.

WARRANTY
Indeeco warrants their products to be freefrom defects in workmanship at the time
of shipment.
The obligation under the above warranty shall be limited to the repair or replacement of any
part or parts manufactured by Indeeco,without charge F.O.B. factory that may prove defective
within 12 months from the date of shipment, which are returned to Indeeco.
The above warranties are the only warranties made with respect to the equipment. There is no
implied warranty of merchantability or of fitness.
EXCLUSIONS:
There is no warranty on parts not manufactured by Indeeco, other than the respective
manufacturer’s warranty, if any.
The warranty against defects shall not extend to damage caused from any of the following:
Transport by carrier
Corrosion
Operation or use in a manner inconsistent with specifications and/or operating
instructions
Ordinary wear, accident, improper installation, or maintenance
Alterations made to equipment in any way
Indeeco shall not be liable for any losses or damages, including but not limited to incidental
or consequential damages, suffered or incurred because the equipment proves to be defective
either upon installation or during its operation or use.
Shipment of defective parts to Indeeco,and the return shipment of any repaired or
replacement parts from Indeeco,shall be the purchaser’s/user’s expense.
INDEECO
425 Hanley Industrial Court – St. Louis, MO 63144 – [phone]
Fax: [phone] – www.indeeco.com