Introduction
The Sporlan Superheat Control is a standalone
controller for refrigeration and air conditioning sys-
tems. The controller operates an electronic expan-
sion valve to control superheat. It may also be used
to control room temperature. The controller may be
networked into a building automation system and
offers several communication protocols. It is avail-
able with or without display for aftermarket or OEM
use. A remote display unit is optional.
Features
• Superheat or room temperature control
• 4-digit LED display with easy to use input knob
• OEM version available without display
• Optional remote display unit
• Optional display networking between controllers
• BACnet or MODBUS communication protocols
• One bi-polar or uni-polar step motor driver
(30ohm/coil minimum)
• One mechanical relay output (for liquid line sole-
noid or piloting a compressor relay)
• Four temperature inputs (Sporlan surface or air
sensor)
• One pressure input (Sporlan pressure transducer)
• One digital input (for external switch or relay)
Bulletin 100-50-5.1 – Page 3
1. Installation
Refer to Appendix H - Wiring Diagram and Appendix I -
Sensor Installation
TOOLS REQUIRED:
• Small flat screwdriver for terminal connections
• Phillips and flat screwdrivers
• Cordless screwdriver
• Needle-nose pliers
• Wire cutters
• Scotch-Brite
TM
pad
• Two #8 x ½” self-tapping screws to mount DIN rail
1. Mount the controller in a rain-tight, protected location
using the supplied DIN Rail. To leave enough working
space, the suggested mounting area is 10 inches high
and 5 inches wide. The minimum depth is 3 inches. See
Figures 1 and 2.
Superheat Control
with display
Item Number 952567
Superheat Control
without display
Item Number 952569
Kelvin IId
Remote display unit
Item Number 952568
Figure 2 - DIN Rail Detail
1.5”
4.0”
3.25”
Figure 1 - Recommended Mounting Clearance
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