The SB 655/C is a versatile tool for complex HVAC systems, offering:
The manual shows 11 terminals. Here is the cheat sheet for the most common setup (230V AC supply with a pressure transducer).
For full technical specifications, wiring diagrams, and advanced programming instructions, consult the official SB655‑C technical manual provided by the manufacturer. eliwell sb655 c manual repack
Keep probe and digital input signal cables strictly separate from high-voltage AC power lines to avoid inductive electrical noise.
Proper installation ensures stable readings and prevents electrical interference. Always isolate the main power supply before handling any terminal connections. Terminal Connections The SB 655/C is a versatile tool for
, provide comprehensive wiring diagrams and parameter tables. full list of parameter codes for this model?
The temperature read by Probe 1 has exceeded the maximum limit defined by parameter HAU for longer than the assigned delay time. Clean the condenser coil and check the compressor functionality. Keep probe and digital input signal cables strictly
The official instruction guide begins with critical safety warnings. The manual (available in multiple languages, including Russian) outlines several key points that must be strictly followed:
SPDT Compressor Relay (Common, NO, NC).
The is a specialized energy-flex parametric controller designed for centralized air-conditioning units, chillers, and heat pumps. While there is no official "repack" version from Eliwell, users often use this term for consolidating manual instructions or firmware updates onto a single key/card for field service. Core Functionality manages complex HVAC operations, including:
If you are using a 4-20mA pressure transmitter, you must bridge terminal 7 (V+) to terminal 8 (Signal) via a 500-ohm resistor? No. Actually, check the manual specifics, but modern transducers just use 2 wires. Pro tip: Most SB655C failures happen because techs wire the pressure transducer backward. Red = 7, Black = 9, White = 8.
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