Lennox MWCB Series Service Manual

5
2.2. Complaint Form
Request Number: Telephone Number:
Home Address:
Email:
Product Information
Indoor Unit Model: Outdoor Unit Model:
Outdoor Unit Serial #
Indoor Unit Serial #
Operation Mode:
� Cooling � Heating � Fan Only � Dry
Temperature Setting: _ _ ºF Fan Speed:
� Turbo � High � Medium � Low
� Auto
Temperature at Return _ _ ºF Temperature at Discharge: _ _ ºF
Installation / Condition Information
Indoor Temperature _ _ ºF Indoor Humidity _ _ % RH
Outdoor Temperature _ _ ºF Outdoor Humidity _ _ % RH
Piping Length Pipe Diameter Gas Pipe: Liq Pipe:
Wiring Length Wire Gauge
System Running Pressure MPa: _ _ Bar: _ _ PSI: _ _
Room Size (L*W*H)
Indoor Unit Installation Photo Outdoor Unit Installation Photo
Failure Descriptions
Issue Indoor Unit Error Code Outdoor Unit Error Code
Unit does not start.
Remote control does not work.
Indoor display is blank.
No cooling or heating.
Insufcient cooling or heating.
Unit Starts but stops immediately.
Excessive noise.
Excessive vibration
Wireless Remote Parameter Checking Information
Code being Displayed Description Display Value Description
T1
Room temperature
T2
Indoor coil temperature
T3
Outdoor coil temperature
T4
Ambient temperature
TP
Discharge temperature
FT
Target frequency
Fr
Actual frequency
d1
Compressor current
Uo
Outdoor AC voltage
Sn
Indoor capacity test
Pr
Outdoor fan speed
Lt
EXV opening steps
ir
Indoor fan speed
HU
Indoor humidity
TT
Adjusted temperature settings
oT
GA algorithm frequency

Lennox MWCB Series Specifications

General

Brand	Lennox
Model	MWCB Series
Category	Air Conditioner
Language	English