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6. Control mode temperature
By pressing simultaneously
• Controllo [PID,v ON-OFF] (default PID) Allow you to select the type of temperature control.
• PID = Control PID
• ON-OFF= Control ON-OFF
7. CONNECTION DIAGRAM
Descrizione dei collegamenti:
A = Power supply terminal block ( ELECTRIC SHOCK )
B = Power output humidifier terminal block ( ELECTRIC SHOCK )
C = Power output heater ( ELECTRIC SHOCK )
D = Hygrometer probe
E = Temperature probe
Warning: disconnect power supply before attempting and performing any conn.
MANUAL HUMIDIFICATION
The LCD electronic control unit can perform the digital reading of humidity expressed in UR% (range 20-99%) and, if connected to an external ultra-
sound humidifier, it is a super-modern digitally-regulated automatic humidification systems, (see at pag. Generally for humidity, as already mentioned,
it is enough to fill only one basin(with both spaces) with tepid water and wait for 4/5 hours in order to see the value indicated by the
hygrometer. If the value is too low, it will be necessary to increase humidity adding another basin (the machine is equipped with a total of 3 water
basins) or a part of them. If the humidity reading is too high, it will be necessary to reduce the water surface, by using only the smaller
part of the water basin (or even no water at all). It should be remembered that it is the surface area of the water which affects humidity, not the
depth of the container or the volume of water. During the hatching period it's necessary to fill all the basins supplied, 50% of the eggs have pipped.
Take note that at the beginning of incubation, the eggs contain 100% liquid and they do not need further humidity; when the embryo grows at working
temperature, it may* be necessary to give humidity because the internal liquid will evaporate.
N.B.: Note that the wet bulb hygrometer shows the lower temperature produced by the cooling effect of evaporation (in comparison with the air tem-
perature) and needs to be converted to % relative humidity (RH). For this reason if the bulb is dry it will show the air temperature (not the
humidity). Consequently it is necessary to check that the wick is always wet and correctly pulled onto the bulb. We suggest also checking the condition
of the wick, especially if in a hard water area, because the water calcification damages it and may cause an inaccurate reading. Use of deionised or
distilled water is recommended for wet-bulb use. The humidity reading in degrees Fahrenheit is shown by the wet bulb hygrometer. For conversion to
% Relative Humidity (RH), please compare with the table below.
APPROX. HUMIDITY VALUES WHEN OPERATING AT 37.7°C (100°F) DRY BULB TEMPERATURE
TYPE
HEN LIGHT BREED(LAYER)
HEN HEAVY BREED (BROILER)
PHEASANT - PARTRIDGE – QUAIL- RED LEG PARTRIDGE
TURKEY – GUINEA FOWL
GOOSE - DUCK (MALLARD,PEKIN, KHAKI CAMPBELL, WILD)
OSTRICH(CAMELUS)
In order to regulate the humidity level inside the machine it is necessary to modify the basin's surface: enlarging the surface water increases the
humidity, reducing the surface area decreases it.
VENTILATION
With ref.to the model MG244, for the control of ventilation, the incubator is supplied with an LCD fan speed regulation which should be switched to
maximum speed during the incubation period. The fan speed must be decreased during the hatching period.
When batch hatching, the fan speed should not be decreased for the hatching period, in order not to damage the eggs which are in incubation phase.
Instead for the model MG316,since is equipped with high green technologic electronic fan motor, there is no speed fan regulation.
This machines are equipped with two ventilation holes, the right one for air oxigened immission (always open), and the one for expulsion of carbon
dioxide placed on the left side panel with shutter adjustment. Acting on the air shutter it will be possible to vary aeration and moisture. During the
incubation period, it is necessary to ensure the optimum oxygenation level, which will vary according to the number of eggs loaded. The correct
ventilation for a full load of eggs will, necessarily, be too much for only a partial load of eggs. The level of oxygenation can be controlled by adjusting
the diameter of the ventilation control placed on the left panel of the incubator.
ATTENTION: Never completely close the ventilation control because it would change all the values of temperature/humidity and aeration, thus com-
promising the incubation results.
EGG-CANDLING
At 8th - 10th day of incubation (3-5 days for experienced persons), it is advisable to candle the eggs in order to eliminate those which are infertile; this
operation must be done in a dark room. By observing the inside of a developing, fertile egg, using a suitable candling lamp, it is possible to determine
the embryo development which looks like a small reddish shape, composed of the heart and small arteries which are radiating from it (Fig. b).If the
egg is moved lightly, it is possible to see clearly the rhythmic oscillations of the embryo.
On the contrary, an infertile egg appears completely transparent (clear), with a slight darkening where the yolk is. (a).
If during the candling operation, you find some eggs with a reddish spot stuck or attached to the shell, or a central spot surrounded by one or more
concentric hoops, or something nebulous crossing the inside; then in this case, the embryos are either false or dead, and must be taken out of the
incubator to prevent them contaminating other eggs with bacteria by infection or explosion
20
and
you can access a special menu for change the mode of control temperature.
INCUBATION
82°F = 47%
84°F = 52%
78-80°F = 38-43%
82-84°F = 47-52%
78-80°F = 38-43%
70-74°F = 25-30%
HATCHING
88°F = 62%
88°F = 62%
86-88°F = 56-62%
88°F = 62%
88°F = 62%
78-80°F = 38-43%
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