Steca TR-A503TTR-U 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: DISCONTINUED - No Longer Available
Dealer Cost: --
Retail Price: --
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Superseded By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 It has been replaced by the following: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 Hot Water Controller, 5 Sensors
CD-0090  Stiebel Eltron SOM 9 Plus (RESOL DeltaSol BX Plus) Solar Hot Water Controller, 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
MD-0310 Steca Pulse Flowmeter TA-VM1
MD-0320 Steca Pulse Flowmeter TA-VM2
MD-0400 Grundfos Direct Vortex Flow VFS 1-20, Composite
MD-0410 Grundfos Direct Vortex Flow VFS 2-40, Composite
MD-0411 Grundfos Direct Vortex Flow VFS 5-100, Composite
MD-0419 Grundfos Direct Vortex Flow VFS 10-200, Composite
MD-0420 Grundfos Direct Vortex Flow VFS 20-400, Composite