Absorption - SANYO air conditioning

Catalogue Absorption

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ENVIRONMENTALLY FRIENDLY TECHNOLOGY

SUPER ABSORPTION

Field wiring (DE)

Start/Stop sequence of auxiliary equipments Start

Figure 26. Typical electrical field connection diagram - Direct-fired (DE)

Cooling water pump operates and then cooling tower fan operates

Chilled/hot water pump operates and ventilation fan operates

Start signal

Operate air conditioners

Machine operates

To power source

3 Ph,50/60Hz 400V, 415V, 440V

Stop

Cooling water pump stops and cooling tower fan stops

Chilled/hot water pump stops and ventilation fan stops

Stop signal

Diluted operation starts

Chiller stops entirely

For emergency stop signal (Those terminals are connected by jumper)

Remove the jumper before using those terminals

Stop air conditioners

= E О a.

For message signal


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Terminal strips in the control panel


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Remote signal

The unit can be operated by the following five type signal.

(l)Non-voltage normal open contact(A) for start & stop (DC24V 10mA).

:Wiring the terminal 330 and 333. (2)Non-voltage normal open contact(A) for start (DC24V 10mA).

:Wiring the terminal 330 and 333.

Non-voltage normal open contact(A) for stop (DC24V 10mA). :Wiring the terminal 331 and 333. (3)Non-voltage normal open contact(A) for start (DC24V 10mA). :Wiring the terminal 330 and 333.

Non-voltage normal close contact(B) for stop (DC24V 10mA).

:Wiring the terminal 331 and 333. (4)Continuous signal of DC/AC 24V for start & stop.

:Wiring the terminal 330 and 332.(Those terminals are non-polarity.) (5)Pulse signal of DC/AC 24V for start.

:Wiring the terminal 330 and 332.(Those terminals are non-polarity.)

Signal of DC/AC 24V for stop.

:Wiring the terminal 331 and 332.(Those terminals are non-polarity.)


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Terminal strips in the control panel

171 171

Symbols

L indication lamp furniture

51СН :Chilled/hot water pump overcurrent relay 51CO:Cooling water pump overcurrent relay

171

51 CT :Cooling tower fan overcurrent relay 23CO:Cooling tower fan thermostat


	CO			со

Note

1 .Be sure to insert 23CO at the cooling water inlet side.

2.Be sure to wire the 52CH(interlock) between terminals 171 and 136.

З.Ве sure to wire the 52CO(interlock) between terminals 171 and 135.

4.Be sure to wire the 52 F (interlock) between terminals 171 and 138.

5.Be sure to wire the chilled/hot water pump control relay between terminals 302 and 303.

6.Be sure to wire the cooling water pump control relay between terminals 304 and 305.

7.Be sure to wire the ventilation fan between terminals 306 and 307.

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(4)

(2)

(3)

(5)