Sigma Force Flow Heaters Maintenance Manual
1
G
ENERAL
N
OTES
1. Examine entire unit for damages in
shipping upon receipt of the unit. Any
shortages or damage should be noted on
the carrier's delivery document. After
inspection issue a purchase order for
necessary parts or contact the factory for
repair or replacement. Please do not return
equipment without the prior authorization of
the factory.
shipping upon receipt of the unit. Any
shortages or damage should be noted on
the carrier's delivery document. After
inspection issue a purchase order for
necessary parts or contact the factory for
repair or replacement. Please do not return
equipment without the prior authorization of
the factory.
2. Installation and maintenance should only
be performed by qualified personnel and in
accordance with local codes and regulation.
be performed by qualified personnel and in
accordance with local codes and regulation.
3. Operate at maximum entering water
temperature of 200°F (93°C).
temperature of 200°F (93°C).
4. For units not immediately installed storage
should occur in a dry location with the motor
protected from moisture, dust, corrosion and
damage. If storing units for more than one
year contact the motor manufacturer for
further protection instructions.
should occur in a dry location with the motor
protected from moisture, dust, corrosion and
damage. If storing units for more than one
year contact the motor manufacturer for
further protection instructions.
5. Caution; sharp edges, coil surface and
rotating fan are a potential hazard.
rotating fan are a potential hazard.
A
DDITIONAL
W
ARNINGS
Familiarization with and adherence to
national electrical code and local/state codes
is highly recommended.
national electrical code and local/state codes
is highly recommended.
1. Avoid contact with energized circuits
and/or rotating parts. Contact with operating
voltage may be fatal.
and/or rotating parts. Contact with operating
voltage may be fatal.
2. Lifting of this unit should be done with
care and in accordance with prescribed
procedures.
care and in accordance with prescribed
procedures.
3. Insure the unit is electrically grounded in
accordance with code requirements.
accordance with code requirements.
4. Ensure unit is properly secured to prevent
access by children or unauthorized persons
in order to avoid possible accidents.
access by children or unauthorized persons
in order to avoid possible accidents.
5. Avoid contact with capacitors until safe
discharge procedures have been completed.
discharge procedures have been completed.
6. Do not under any circumstance restrict
the motor ventilation.
the motor ventilation.
7. If the unit has been subjected to storage
in a damp environment dry out thoroughly
before operating.
in a damp environment dry out thoroughly
before operating.
Force Flow Heaters
Installation & Operation Manual
www.sigmaproducts.com Tel: (905) 453-0446 Fax: (905) 453-0675
F
IGURE
1 M
OTOR
W
IRING
D
IAGRAM
WARNING:
Failure to follow all safety
information can result in
serious personal injury or
death. Before servicing,
disconnect all power. This
motor must be connected to
the electrical service ground
in accordance with local or
national code. Consult a
qualified electrician with any
questions.
Rev 3