Steca TR-A503TTR-U Solar Control with 3 PT1000 Sensors
Steca+TR%2DA503TTR%2DU+Solar+Control+with+3+PT1000+Sensors

Steca model TR-A503TTR-U differential temperature control with digital temperature display, programmable functions for solar thermal systems. Hard wire, 110 or 220 volt input. Allows for five inputs and will control three outputs. Three probe sensors included. Allows for flow meter input and displays BTU produced by system and hours of operation. Has slot for mini SD memory card and will interface with Steca router for instantaneous remote monitoring. One mini SD memory card is supplied and installed in the control.
Important Information
This control will need to be programmed for correct operation. If you need help in setting the parameters, or would like us to pre-program the control to your parameters before shipment, please let us know.
Product Details
Sun Source Part #: CD-0043
Manufacturer: Steca   More Products
Mfg. Part #: TR-A503-TTR-U
Category: Controls For Solar Thermal Systems
Availability: Special Order Item. Please contact for current price and availability.
Dealer Cost: Dealers log in for pricing.
Retail Price: $361.25 / Each
Warranty Information
Material: 2  Years 
Superseded By
This item is no longer available. It has been replaced by the following:
CD-0089  SunEarth SEProX (RESOL DeltaSol BX) Solar Control, 5 Sensors
CD-0090  Stiebel Eltron SOM 9 Plus (RESOL DeltaSol BX Plus) Solar Control, 5 Sensors
Library Documents
Steca TR A503 TTR U Instruction Manual (4.81 MB)
Steca TR A503 TTR U Specification Sheet (0.54 MB)
Optional & Related Parts
CT-0038 Steca PT1000 Probe Sensor
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MD-0320 Steca Pulse Flowmeter TA-VM2
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