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Solar - Differential temperature controllers
iSolar™
257
iSolar™
Description:
The iSolar™ is a multi-functional temperature differential controller that provides complete control of the solar thermal system for safe and long-lasting operation.
 
Inputs:  (4) PT1000 temp sensors
Triac relays capacities:  1A / 115V
Standard relay capacity:  1A / 115V
Power supply:  100-240V - 50/60 Hz
Data interface:  V-Bus
ΔTadjustment range:  2-40°F Δ
Min temp differential:  2°F Δ
Hysteresis:  2°F Δ  ±1°F Δ
Max. tank temp range:  35-205°F
Max. collector temp range:  210-375°F
Emergency shut down of collector:  230-395°F
Min. collector temp range:  50-195°F
Antifreeze temp option:  15-50°F
kWh (BTU) calculation flow input: 0-5 gpm
 
Tested and Approved by TÜV Rheinland as an approved U.S. Nationally Recognized Testing Laboratory (NRTL).

Exceeds or is equivalent to:
- UL 60730-1A
- CAN/CSA E60730-1


International approvals:

Articles:
codedescriptionlbspackcase
257220AiSolar™ 2, 1 relay2.01 
257240AiSolar™ 4, 2 relays2.01 
257260AiSolar™ Plus, 2 relays2.01 

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