Function Description; Machine Management - Operating Modes; Mode Selection Using The Menu; Mode Selection From Digital Input - Mitsubishi Electric i-BX-N Technical Manual

TM_i-BX(-N)_NC05_00_06_20_EN
4

FUNCTION DESCRIPTION

4.1 MACHINE MANAGEMENT – OPERATING MODES -
Parameter 130Z (reversible units) indicates if the unit is an i-BX (chiller only) or i-BX-N (heat pump) unit.
The i-BX unit is defined through the following parameters:
130Z = NO (non-reversible unit)
130X = CHILLER
The i-BX-N unit is defined through the following parameters:
130Z = YES (reversible unit)
130X parameter non visible
In case of i-BX-N units, use parameter 0202 to enable DHW (default value = 0).
Parameter 0202 is only available for i-BX-N units.
With i-BX-N units with DHW enabled it is possible to set the system / DHW priority using parameter 0014 (default value = DHW).
It will be possible to set the machine operating modes using the menu or the digital input (the operating mode type selection is possible using
parameter 0100: "BY KEYBOARD" or "BY DIGITAL INPUT").
4.1.1

MODE SELECTION USING THE MENU

0100= BY KEYBORAD
Mode change
using the machine keypad (pldPro)
COOL+DHW (priority DHW)
COOL
HEAT+DHW (priority DHW)
HEAT (only plant)
DHW (only)
4.1.2

MODE SELECTION FROM DIGITAL INPUT

0100= BY DIGITAL INPUT
N
Contacts
Clamps
1 COOL+DHW (priority DHW)
2 COOL (only plant)
3 HEAT+DHW (priority DHW)
4 HEAT (only plant)
5 DHW (only)
MEHITS S.p.A. ● TECHNICAL MANUAL
Press to access the operation
settings window
Summer/Winter Mode
DI5/SA2 DI6/SA3
25-27 25-28
CLOSE OPEN
CLOSE OPEN
OPEN OPEN
OPEN OPEN
--- CLOSE
31
Mode
DI7/SA3
25-29
OPEN
CLOSE
OPEN
CLOSE
OPEN
Version NC05 - Translation of the Original Instructions