Hanbell RC2 Series, Техническое руководство

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Technical Manual VERSION 2.0 -10-18-2018
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Other major functional descriptions are as follow:
1. After the supply voltage has been connected, a three second initialization period follows. Provide the PTC chain
resistance is below the reset threshold (2.75k), the relay trips after these 3 seconds have expired.
2. 1 to 9 PTC thermistors with different nominal response temperature may be connected serially to the PTC input.
3. If any thermistor resistance increases above trip level the relay drops out. This failure results in a lockout. (5 minutes
delay for 1st PTC failure, 60 minutes delay for 2nd failure, lockout for 3rd failure.)
4. If a rapid temperature increase is detected (locked rotor condition), the output relay drops out. This failure results in
a lockout.
5. The phase monitoring of the three phase motor voltage becomes active 1 second after motor has started, for
duration of 10 seconds. In case of a wrong phase sequence or a phase failure, the relay switches of and locks.
6. The Lockout and delay time may be lifted by cycling the power off for approx. 5 seconds.
7. To avoid nuisance tripping due to reverse running after shutdown (pressure equalization), the phase monitoring
function is only reenabled approx. 20 seconds after motor stop.
8. A dual LED (red / green) provides additional information about the motor protector and compressor status.
9. The relay is fed out as a N/O dry contact, which is closed under good conditions.
10. Sensor and supply circuits are galvanic isolated.
11. The motor protector is not suitable for application of frequency converters.
Technical data:
●
Supply voltage
●
Relay output
AC 50/60 Hz 115/120V15 +10% 3VA max. AC 240V, max. 2.5A, C300
AC 50/60 Hz 230/240V15+10% 3VA min.
＞
24V AC/DC, >20 mA
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Ambient temperature
●
Phase monitor
30  +70
℃
3 AC, 50/60Hz, 200 ~ 575 V ± 10%
Blink code display& diagram:


g.150W oil heater
An UL approved 150W oil heater has been installed in every compressor as a standard accessory.
Before restart of compressor after shutdown for a long time, please turn on oil heater at least 8 hours to make the
temperature inside compressor higher than system temperature and ambient temperature and then it can prevent
condensation of refrigerant inside oil sump of compressor which may result in liquid compression in next start and poor
lubrication due to too low viscosity of lubricant oil. In addition, Hanbell also offers 300W oil heater to keep adequate
lubricant oil temperature for large external oil separator and applications in areas with low ambient temperature.
Figure 31 150W oil heater
Specification
：
150W, 300W; 110V or 220V; IP 54; UL approval
Note: If compressor is installed in low ambient temperature, it is recommended to insulate oil separator against cold
ambience.