28
Specifications are subject to change without notice.
© 2017 Mitsubishi Electric US, Inc.
7. Humidifier control
The below table shows how the field installed humidifier and fan speed is controlled.
A basic connection method is shown below.
1. Control specifications and DIP S/W setting
2. Installation
DIP switch
setting
Humidistat
output
Condition (no defrost/no error) CN25 output Fan speed
SW1 6
CNF input
OFF
OFF
Heat operation & Thermo OFF
OFF
RC setting
Heat operation & Thermo ON
ON
Heat operation & Thermo OFF OFF
RC setting
Heat operation & Thermo ON
ON
High
ON
OFF
Heat operation & Thermo OFF OFF
RC setting
Heat operation & Thermo ON
ON
Heat operation & Thermo OFF ON
High
Heat operation & Thermo ON
-
-
Except for heat operation
OFF
RC setting
RC:Remote controller
The fan continues to run for 30 seconds after the humidifier stops.
CNF
CN25
Humidistat
XA
SVA
Humidifier
XA
Indoor unit
control board
On-site preparation
Maximum cable length is 10m(32ft)
Humidifier
pow
er source
Use XA relay having following specifications
Rated voltage:12VDC
Power consumption:1W or less
Humidistat:Minimum applicable load 1mA at DC
Contact rating voltage:15VDC or more
Contact rating current:0.1A or more
7. Fan indication
The below table shows how the fan indication is controlled.
A basic connection method is shown below.
1. Indication specifications
2. Installation
Condition
Fan speed
CNEC2 output
Relay on the board
No. of CNEC2
Very low
X11
1
Low
X12
2
Middle
X13
3
High
X14
4
Indoor unit power board
XF1
XF2
XF3
XF4
COM
High
Middle
Low
Very low
1
2
3
4
5
On-site preparation
Maximum cable length is 10m(32ft)
XF1,2,3,4 power source: DC30V, 1A or less,
AC230V, 1A or less
X11
X12
X13
X14
CNEC2
1
2
3
4
5
Summary of Contents for PVFY-P12 NAMU-E
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