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| Measurement Inputs |
Four 10K Thermistor
Typically measure -40°C to 150°C
(-40°F to 302°F)
Screw terminals and RJ-45 wired in parallel |
Optional Pulse Counter
Screw terminals |
| User Interface |
| 16x2 Character LCD, backlit |
| Three push buttons |
| Temperatures update once per second |
| Relay / Alarm status visible |
| Power |
| Lithium polymer battery (included) |
| Charging input, 7 to 38 volts DC |
Can run directly from 12 volt PV panel for
batteryless and gridless systems |
| Relay / Alarm Outputs |
| 2 x DC relay, solid state, 6 amps @ 39 volts DC max |
Independently programmable for:
Differential Control
On above temperature set point
Off above temperature set point
Always On
Always Off |
| RS-232 Communications (optional) |
| ASCII or binary data, selectable |
| Screw terminal, 4 position |
| Data compatible with our World Data internet service |
| 9600 to 57600 baud |
Can enable / disable Morningstar Tri-Star based
on temperature |
| Physical |
| Mounts in double gang electrical box or panel |
| 3.7cm (1.45”) deep |
Introduction
The ThermokSolar-4A is a solar heating differential temperature controller for PV and DC powered applications. It is configured with four temperature sensor channels, an LCD display for real-time view and easy programming, and two solid state DC relay outputs. Designed to run directly from a PV panel, the ThermokSolar-4A is unique in the industry in that it requires no outside power.
Solar Hot Water Diagram
Live Internet Data
APRS World offers our World Data service free for our customers. Using an optional internet gateway module, our products can send live data to our hosted data service. Using your web browser you can view live and historical performance data and graphs. This allows your customer to see how their system is performing and allows you to troubleshoot the system without getting in your truck.
Purchasing
Now you can purchase these products directly through our sister website:
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ThermokSolar-4A Starter Package
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Click on photo to enlarge
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US Price: $220.00 USD
Please call us at +1-507-454-2727 to place an order.
Or click here to order online from  .
ThermokSolar-4A module, four 10k ring terminal thermistors, LiPo+ battery, 20 meters (65 feet) of green UV resistant sensor cable, heat shrink labels for identifying sensor cables. Provided with four #6-32 machine screws and KL nuts.
Part Number: APRS5501
Shipping Weight: 4.00 pounds
RoHS: compliant
Origin: USA
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ThermokSolar-4A module only
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Click on photo to enlarge
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US Price: $200.00 USD
Please call us at +1-507-454-2727 to place an order.
Or click here to order online from .
ThermokSolar-4A module only. Provided with four #6-32 machine screws and KL nuts. Packaged in pink anti-static bubble bag. No accessories provided.
Part Number: APRS5500
Shipping Weight: 1.00 pounds
RoHS: compliant
Origin: USA
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LiPo+ battery for ThermokSolar
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Click on photo to enlarge
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US Price: $10.00 USD
Please call us at +1-507-454-2727 to place an order.
Or click here to order online from .
Required for operation of ThermokSolar directly from PV panel. These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 860mAh. Comes terminated with a standard 2-pin JST connector - 2mm spacing between pins.
Part Number: APRS5510
Shipping Weight: 0.13 pounds
RoHS: compliant
Origin: other
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Thermistor, NTC, 10k, #4 ring terminal, 154mm (6
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Click on photo to enlarge
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US Price: $4.00 USD
Please call us at +1-507-454-2727 to place an order.
Or click here to order online from .
10k ring terminal thermistor. Manufactured by Ametherm as part number PANR 103395-408. A data sheet is available.
Part Number: APRS1692
Shipping Weight: 0.10 pounds
RoHS: compliant
Origin: USA
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