Mitsubishi Electric Mr.SERVICE PUHZ-HRP71VHA Service Manual page 103

Data measurement
When the operation is stabilized, measure operation data as explained below.
(4) Press the [TEMP] buttons (
[Screen ]
(5) Select the type of data to be displayed.
After selecting, go to step (6).
Compressor information
button
MENU
Cumulative
operation time
[Display ]
COMP ON
x10 HOURS
Outdoor unit information
button
ON/OFF
Heat exchanger
temperature
[Display ]
OUTDOOR UNIT
H·EXC. TEMP
Indoor unit information
button
Indoor room
temperature
[Display ]
INDOOR UNIT
INLET TEMP
(6) Press the ( ) button to confirm the setting.
FILTER
[Display example for accumulated operating time]
Display
(7) Data is displayed on the display (at
To check the data for each item, repeat steps (5) to (7).
(8) To cancel maintenance mode, press the
Refrigerant address
Single refrigerant system
In the case of single refrigerant system, the refrigerant address
is "00" and no operation is required.
Simultaneous twin units belong to this category
(single refrigerant system).
[1:1]
Refrigerant
address=00
Outdoor
unit
Indoor unit
01
Remote
controller
and ) to select the desired refrigerant address.
ON/OFF Number
COMP ON
x100 TIMES
Comp discharge
temperature
OUTDOOR UNIT
OUTLET TEMP
Heat exchanger
temperature
INDOOR UNIT
H·EXC. TEMP
Blinking
After approx.
Waiting for response
10 seconds
).
button for 3 seconds or press the
TEST
[Twin]
Refrigerant
address=00
Outdoor
unit
Indoor unit Indoor unit
01 02
Remote
controller
103
Operating current
COMP ON
CURRENT (A)
Outdoor ambient
temperature
OUTDOOR UNIT
OUTDOOR TEMP
Filter operating
time
INDOOR UNIT
FILTER USE H
12,340 hours
Multi refrigerant system (group control)
Up to 16 refrigerant systems (16 outdoor units) can be con-
nected as a group by one remote controller. To check or set the
refrigerant addresses.
Refrigerant Refrigerant
address address
00 01
Outdoor Outdoor
unit unit
Indoor unit Indoor unit
01 01
Remote
controller
button.
ON/OFF
Refrigerant Refrigerant
address address
02 15
Outdoor Outdoor
unit unit
Indoor unit Indoor unit
01 01