Lennox MCA Series Service Manual

22
9. Refrigeration Pipe Work
9.1. Single-Zone Refrigerant Cycle Diagram
INDOOR OUTDOOR
LIQUID SIDE
GAS SIDE
(EVAPORATOR)
(CONDENSER)
COMPRESSOR
CAPILIARY TUBE
CN9 (T2) Evaporator
temp. sensor
CN8 (T1) Room temp.
sensor
T5 - Discharge Temp
Sensor
T3 - Condenser Temp
Sensor
T4 - Ambient Temp
Sensor
9.2. Single-Zone Piping Limitations
OUTDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
INDOOR UNIT
Maximum Line Set
Length
Maximum Line Set
Length
Maximum
Elevation -
Outdooor
Unit BELOW
Indoor Unit
Maximum
Elevation -
Outdooor
Unit ABOVE
Indoor Unit
Minimum Line Set
Length - 10 ft. (3m)
Minimum Line Set
Length - 10 ft. (3m)
Outside Unit BELOW Indoor Unit Outside Unit ABOVE Indoor Unit
Do not allow for excess length of line sets to be left rolled up as part of the
required distance, or in general. This will also cause additional performance issues.
IMPORTANT

Lennox MCA Series Specifications

General

Brand	Lennox
Model	MCA Series
Category	Air Conditioner
Language	English