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INDUSTRIAL HEAT TRACING SOLUTIONS
1.3.6 SOLID-STATE RELAY OUTPUT MODULE
In applications where the benefits of solid-state control are desired, a modular solid-state relay
(SSR) is available. This component is easily installed on the outside of an enclosure using a single
3/4 NPT knockout and locknut providing a weatherproof seal. This allows the heat generated by
the SSR to be dissipated directly to the ambient air, without increasing the internal temperature of
the enclosure. When appli-cations require two-pole or 3-phase switching, multiple SSR modules
may be ganged together, allowing the same component to be used.
1.4 CONTROLLER ASSEMBLIES
Due to its modular packaging, the 920 easily supports single-, dual-, or multi-point configurations.
Factory standard assemblies are available in a variety of enclosure types, and panels made up
of multiple points are also available. Refer to the Ordering Guide in section 1.5 on page 10 for
a sample listing of available configurations. If your application requires a customized solution,
please contact your Pentair Thermal Managament representative for help in specifying an
assembly suited to your particular requirements.
1.5 ORDERING AND CONFIGURATION GUIDE
920 series control assemblies are ordered as three separate items:
Tx
Rx
A
B
A/B
ALARM
LOCK
MONITOR
CONFIG
STATUS
ALARM
OUTPUT
SHIFT
BACK
ENTER
Raychem
920 SERIES
PROGRAMMABLE DUAL POINT
HEAT TRACING CONTROLLER
Enclosure assembly Control module(s)
(One for every two circuits)
Optional operator
console(s)
PROGRAMMABLE DUAL POINT
HEAT TRACING CONTROLLER
A/B
ALARM
LOCK
MONITOR
CONFIG
STATUS
ALARM
OUTPUT
SHIFT
BACK
ENTER
Raychem
920 SERIES
Fig. 1.6 920 series control assemblies
Pentair Thermal Managament maintains a shelf stock of enclosure assemblies, control modules,
and consoles. All other enclosure assemblies are built to order. Not all options may be listed.
Contact your local representative for any special applications you may have.
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