Refrigerant System Diagram; Microprocessor Control - Mitsubishi Electric PLFY Series Technical & Service Manual

7

REFRIGERANT SYSTEM DIAGRAM

Heat exchanger
Room temperature
detection thermistor TH21
WATER PIPE CONNECTION SIZE
Model name
Item
Water outlet
Water inlet
8

MICROPROCESSOR CONTROL

INDOOR UNIT CONTROL
8-1. COOL OPERATION
RETURN SELECT
MENU
HOLD
.
TCH124A
Water flow
Manual air purge valve
Water flow
PLFY-WL06/08/12/15/18NEMU-E
Min. I.D. 25/32 (20)
Min. I.D. 25/32 (20)
<How to operate>
ON
OFF
<How to operate>
15
Pipe temperature detection
thermistor/ inlet
TH22
Water inlet
connection
Pipe temperature detection
thermistor/ outlet
TH23
Water outlet
connection
PLFY-WL24/30/36/48NEMU-E
Min. I.D. 1-3/16 (30)
Min. I.D. 1-3/16 (30)
Press ON/OFF button.
Press [F1] button to display COOL.
Press [F2] [F3] button to set the set temperature.
NOTE: The settable temperature range varies with the model of
outdoor units and remote controller.
Press POWER ON/OFF button.
Press the operation MODE button to display COOL.
Press the TEMP. button to set the set temperature.
NOTE: The set temperature changes 1°F when the
button is pressed one time. Cooling 67 to 87°F
Unit: inch (mm)
or