Service Manual -
B-VMHxxAV-1
Troubleshooting 10
7
Compressor
Running
Frequency Fr
press "On/Off" for 2s to enter Twins Selector, the code displayed is “Ch”,
press "OK" to send the Query Twins Selector code; press the Up/Down key to
select, 0 indicates that there is no Twins, 1 indicates the host, and 2 indicates
the slave. Press "OK" to confirm, and press "On/Off" for 2s to exit.
8
Current dL
/
9
Current AC
Voltage Uo
/
10
Current indoor
capacity test state
Sn
/
11
/
press "On/Off" for 2S to enter the Min. Desired Cooling Frequency Selector,
the code displayed is Ch, press "OK" to send the Query Min. Desired Cooling
Frequency Selector code; press the Up/Down key to select the minimum
cooling frequency desired and press "OK" to confirm; press "On/Off" for 2s to
exit.(for some models)
12
Set Speed Pr of
the outdoor fan
press "On/Off" for 2s to enter the Min. Desired Heating Frequency Selector,
the code displayed is “Ch”, press "OK" to send the Query Min. Desired
Heating Frequency Selector code; press the Up/Down key to select the min.
desired heating frequency value, press "OK" to confirm; and press the "On/
Off" for 2s to exit.(for some models)
13
Opening Lr of EEV
press "On/Off" for 2s to enter the Max. Running Frequency Selector of the
restricted area 6 in the cooling mode T4, the code displayed is “Ch”, press
"OK" to send the Query Max. Running Frequency Selector code of the
restricted area 6 in the cooling mode T4; press the Up/Down key to select the
limit, then press "OK" to confirm; and press "On/Off" for 2s to exit.(for some
models)
14
Actual Running
Speed ir of the
indoor fan
/
15
Indoor Humidity
Hu
press "On/Off" for 2s to enter the Outdoor Forced Running Frequency
Selector, the code displayed is “Ch”, press "OK" to send the Query Outdoor
Forced Running Frequency Selector code; press the Up/Down key to select
the outdoor forced running frequency, then press "OK" to confirm; and press
"On/Off" for 2s to exit.(for some models)
16
Set Temperature
TT after
compensation
press "On/Off" for 2s to enter One-Key Recovery, the code displayed is “rS”,
then press "OK" to send the One-Key Recovery code, the mode selector of the
remote control will recover to "Cooling and heating", the min. temperature
recovers to 16°C, and the max. temperature recovers to 30°C; and press "On/
Off" for 2s to exit.(for some models)
17
/
nA
18
/
/
19
DC bus voltage
press "On/Off" for 2s to enter the Cooling Frequency Threshold Settings;
press the Up/Down key to select the cooling frequency threshold, press "OK"
to confirm; and press the "On/Off" for 2s to exit. (Set within 1 minute after
power on)
20
Indoor Target
Frequency oT
press "ON/OFF" for 2s to enter the Heating Frequency Threshold Settings;
press the Up/Down key to select the heating frequency threshold, press "OK"
to confirm; and press "On/Off" for 2s to exit. (Set within 1 minute after power
on)
Summary of Contents for Comfort-Aire Century A-VMH18SV-1
Page 30: ...Service Manual B VMHxxAV 1 ...
Page 37: ...Service Manual B VMHxxAV 1 Outdoor Unit 3 3 Panel Plate X430 Square grille ...
Page 38: ...Service Manual B VMHxxAV 1 Outdoor Unit 4 4 Panel Plate D30 Square grille ...
Page 39: ...Service Manual B VMHxxAV 1 Outdoor Unit 5 5 2 Service Place Minimim 4 Recommended 12 ...
Page 42: ...Service Manual B VMHxxAV 1 Outdoor Unit 8 8 A VMH18SV 1 A VMH24SV 1 ...
Page 45: ...Service Manual B VMHxxAV 1 ...
Page 103: ...Service Manual B VMHxxAV 1 Troubleshooting 15 ...