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Mitsubishi Electric E Series Data Book page 19

Air cooled chilling unit
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1. Product Specifications
When using a local controller, refer to the table below for the types of input/output signals that are available and the
operations that correspond to the signals.
External Input/Output
Input
Dry contact
type
(a)UNIT OPERATION
(b)MODE CHANGE
*EAHV-P****YBL
EAHV-P****YBL-H
(c)FAN MODE
(d)ANTI FREEZE
*EAHV-P****YBL
EAHV-P****YBL-H
(e)FLOW SWITCH
(f)PUMP INTERLOCK
(g)PEAK-DEMAND
CONTROL
(h)OUTLET WATER
TEMP SWITCHING
(i)COOLING/HEATING
SWITCHING
*EAHV-P****YBL
Analog
Input type
(j)WATER TEMP SETTING/
CAPACITY CONTROL SIGNAL
(k)EXTERNAL WATER SENSOR 1
(optional)
(l)EXTERNAL WATER SENSOR 2
(optional)
Output
Contact type
type
(m)ERROR INDICATOR Close/Open
(n)OPERATION
INDICATOR
(o)PUMP OPERATION
COMMAND
(p)SUPPLEMENTARY
HEATER SIGNAL
(q)DEFROST SIGNAL
(r)DRAIN PAN HEATER
SIGNAL
(s)HEATING
OPERATION
DISPLAY
RC/M-NET
REMOTE
CONTROLLER
Centralized controller
M-NET
MEES19K040
ON (Close)
Run/Stop
The unit will go into operation when the water
temperature drops below the preset temperature.
Heating
Heating ECO mode (EAHV-P****YBL: When
ECO/Heating
"COOLING/HEATING SWITCHING" contact
(item (i) below) is ON, this mode is enabled.)
Forced/
When the outdoor temperature is 5ºC or less, the
Normal
fan will remain in operation after the compressor
has stopped.
On/Off
The unit will operate in the Anti-Freeze mode
(with the target temperature 30ºC) when the
contact status of (a) "UNIT OPERATION" is
"Stop" or the ON/OFF button on the remote
controller is turned off. (EAHV-P****YBL: When
"COOLING/HEATING SWITCHING" contact
(item (i) below) is ON, this mode is enabled.)
Normal/Error The unit is allowed to operate.
Normal/Error The unit is allowed to operate.
On/Off
The unit will operate at or below the maximum
capacity level that was set for the Peak-demand
control setting.
2nd/1st
Setting temp 2
(Refer to page 80 Settings table)
Heating/
Heating mode
Cooling
Action
Water temperature or capacity control signal can be set by using the external analog input to
the CN421 on the MAIN circuit board. One analog input type can be selected from the following
types: 4-20 mA, 1-5 V, 0-10 V, or 2-10 V.
*Use a 4-20 mA signal output devise with insulation.
For simultaneous operating group
For identical water system group
Conditions in which the contact closes
(turns on)
The unit has made an abnormal stop.
Close/Open
The "UNIT OPERATION" contact (item (a) above)
or the ON/OFF button on the remote controller is
ON.
Close/Open
The pump will operate according to the status of
the "UNIT OPERATION" contact or the ON/OFF
button on the remote controller button.
Close/Open
Water and outdoor temperature has dropped
below a setting water temperature and a set
outdoor temperature.
Close/Open
The unit is in defrost mode.
Close/Open
Outdoor temperature has dropped below a set
outdoor temperature.
Close/Open
The unit is in heating mode.
PAR-W31MAA
AE-200
OFF (Open)
The unit will stop except when the unit is in
the Anti-Freeze mode.
Heating mode (EAHV-P****YBL: When
"COOLING/ HEATING SWITCHING" contact
(item (i) below) is ON, this mode is enabled.)
The fan will stop when the compressor
stops.
The unit will operate according to the status
of the "UNIT OPERATION" contact (item (a)
above) or the ON/OFF command from the
remote controller.
The unit will not operate.
The unit will not operate.
The unit will operate at or below the
maximum capacity.
Setting temp 1
(Refer to page 80 Settings table)
Cooling mode
Conditions in which the contact opens
(turns off)
During normal operation
The "UNIT OPERATION" contact (item (a)
above) or the ON/OFF button on the remote
controller is OFF.
Under all conditions other than the ones
listed on the left
Water temperature is at or above a set
water temperature +2ºC or the outdoor
temperature is at or above a set outdoor
temperature +2ºC.
The unit is not in defrost mode.
Outdoor temperature is at or above a set
outdoor temperature +2ºC.
The unit is in cooling mode.
-
Terminal block
K95-K96
K40-K42
K91-K92
K40-K41
K23-K24
K01-K02
K23-K25
KC1-KC2
K93-K94
Terminal block
SG1(+)-KG1(-)
K1-K2
K3-K4
Terminal block
K33-K34
K31-K32
K75-K76
RP1-RP2
KD1-KD2
KB1-KB2
K38-K39
RA-RB
A-B
M1-M2
18

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