Surplus item to be discontinued.
  
  
 Heliotrope 4-wire Sensor Package The sensor package 
includes a 4-wire pool water sensor to measure the temperature of the pool water 
and a solar roof sensor to measure solar heat on 
roof. 
  Product Benefits: • Maximizes pool water 
temperature
  Pool Water Sensor  This extra durable and 
virtually indestructible stainless steel sensor truly guarantees years of 
corrosion resistant performance. The sensor is wired into the system and signals 
the controller unit with readings on the pool water temperature.
  Product Applications: • Measure temp. of the pool water 
 • Used in conjunction 
with the Heliotrope HelioMatic Solar Pool Control Unit - Model: HM 
 • Used as a replacement for the Heliotrope HelioMatic Solar 
Pool Control Package #1 - Model: HM-PKG • Can be used with any Solar 
Control unit that requires 10K sensors
  Product 
Features: • 4 conductors 
(wires)  • 2 
thermistors potted in one plastic sensor well,     with each of the 
two wires shrink-wrapped together.  • 
Stainless steel construction for extreme durability • One year factory 
warranty
  The ISD-1.0-10K 
should be installed in the suction line from the pool between the pump and the 
filter. The dual thermistor format in the ISD-1.0-10K sensor satisfies two 
functions: 
  1 - Water temperature for the solar differential and  2 - 
Water temperature for the Display in the 
Controller 
Two wires from one 
thermistor going to the Pool Sensor position on the low voltage terminal strip 
and two wires going to the Display position on the low voltage terminal strip. 
This can be verified through ohm resistance. 
 
Note: Theoretically, the 2-wire IS-1.0-10k 
sensors can be used in conjunction with the display unit by incorporating two 
IS-1.0-10k sensors side-by-side. The 
IS-1.0-10k sensor for the display can be placed anywhere in the system (return 
from solar, ambient air, spa) to get a temperature reading at the controller 
display module.
 
  The pool water sensor is attached to the PVC pipe; this 
requires drilling a hole in the PVC pipe, and using the stainless steel hose 
clamp (included) to secure the sensor in 
place.
 
 
 
 
   
  Solar 
Roof Sensor 
  The AS-2-10 is an all-aluminum sensor block, 
designed to both quickly and precisely determine solar radiation [sun's rays], 
and then simulate the internal water temperature of the collector panels caused 
by the solar absorption. The sensor is placed in direct sunlight and mounted to 
the roof using a screw or adhesive.
 
  The sensor instantly signals the controller unit, which 
sends the required command to the 3-Way FloVerter Valve. 
  The greater 
surface area of the AS-2-10, combined with the superior conductivity 
characteristics of aluminum enable the sensor to detect the sun's rays sooner, 
plus detect when the right amount of solar energy is available.  
It also reacts to cloudy conditions and the setting sun more rapidly than 
other sensors on the market today, thus creating greater heat flow precisely 
during the critical "solar window" period and avoiding heat loss by not 
circulating when heat could be lost through reverse process - resulting in a 
much warmer pool, and a longer more pleasurable swimming experience!
  Product Applications: • Used to measure solar heat on roof 
 • Used in 
conjunction with the Heliotrope HelioMatic Solar Pool  • 
Control Unit - Model: HM Series 
 • Used as a 
replacement for the Heliotrope HelioMatic Solar Pool  • 
Control Package #1 - Model: 
HM-PKG • Can be 
used with any Solar Control unit that requires 10K 
sensors
  Product Features: • All aluminum sensor block for superior conductivity • One year factory 
warranty
  
Heliotrope Solar Roof 
Sensor -  Installation Instructions: Install black aluminum sensor where it 
will receive sunlight similar to the solar collectors. Use a cable clamp and TEK 
screw to mount [not included]. The cable clamp serves as a strain relief for the 
cable wires. 
Install stainless steel drill-in 
sensor into 1-1/2” or 2” pipe to sense pool water temperature. Drill 5/16” 
diameter hole into pipe and install by using stainless steel clamp. Wires go 
through the hole punched into the clamp. This sensor goes into pipe ahead of the 
solar collector, usually near the pump. 
Use 3M Scotchlok connectors [part 
number UY-2] for connecting the sensor leads to your interconnecting cable. Tie 
a knot with the cable wires and the sensor leads to function as a strain relief. 
Wire ends must not be stripped. Insert the insulated wire ends into the UY-2 and 
with pliers, press the round disc into place, locking the connection. Note that 
UY-2 is an improved connector over the UY because it makes a double contact with 
the wires and also accommodates larger wires.
  
Product 
Manufacturer: JED 
Engineering
  _______________________________________________________ 
 
  Solar Sensor application troubleshooting tips: 
  Most well known brand controllers incorporate the use of 10k 
sensors. Some lesser known brands used 3k sensors. All GoldLine 
and Heliomatic controls use of 10k sensors.  
To determine the type of sensor, the resistance must be measured  in ohms 
using a volt/ohm meter when the sensor is at 77 degrees F. 
  10k measures 
10,000 ohms and 3k measures 3,000 ohms.  As the temperature goes up, the 
resistance goes down. 
  Resistance can be checked at any temperature, and 
then  convert the ohm reading measured to the temperature equivalent  by 
using the conversion chart.  
_______________________________________________________  
Sensor Installation:
 
  The following control 
manuals give general information that can be used to install most sensors. View 
installation and troubleshooting for: 
 
   Delta Controller GL235 Installation 
Manual
   Delta Controller GL Aqua Solar Installation 
Manual 
   Heliotrope Controller HM-4000D Installation 
Manual
   Heliotrope Controller HM-5000D Installation 
Manual
   Heliotrope Controller HM-4000D Operation 
Manual
   Pentair SolarTouch Controller 
Manual
   Pentair SunTouch Controller Manual 
Controllers and Sensors can be purchased at: 
  Solar 
Heaters Parts and 
Supplies
  _______________________________________________________ 
 
  HELP » Contact Customer 
Support • Toll-Free help 
line offering unit sizing support • Online 
e-mail technical and installation 
support
  _______________________________________________________ 
  
FREE SHIPPING!  When purchased with a Solar Pool Heater 
System Kit.   
Processing and Delivery Information: Please allow Processing 
Time as stated above for your order, plus standard transportation delivery 
time. Orders placed after 2PM EST may not begin processing until the next 
business day. Please call for Rush Processing and/or Rush Shipping 
options.
 
   
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