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.

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
List Price: --
Dealer Cost: --
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Superseded By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 It has been replaced by the following: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
CD-0040WB Steca Wiring Box For A500 Series Solar Controls
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
MD-2001 Steca TK RW2 Router (For TR-A503TTR-U Control)