Unit Control Box Components Arrangement; Model Number Identification; Rigging The Unit For Lifting - Lennox T-Class TPA090S4S Installation Instructions Manual

Unit Control Box Components Arrangement

TPA090S4S AND TPA120S4S

Model Number Identification

T = T-Class™ Product Line
P = Split System Heat Pump

Rigging the Unit for Lifting

Rig the unit for lifting by attaching four cables to the holes in
the base rail of the unit as illustrated in figure 5.
1. Remove protective packaging before rigging the unit
for lifting.
TRANSFORMER
(T1)
CONTACTOR (K1)
RUN CAPACITORS
(C1, C2,)
T P A
Brand/Family
Unit Type
Major Design Sequence
A = 1st Generation
B = 2nd Generation
Nominal Cooling Capacity -
Tons
090 = 7.5 Tons
120 = 10 Tons
GROUND LUG
120 S 4 S N 1
Refrigerant Type
4 = R-410A
Cooling Efficiency
S = Standard Efficiency
2. Connect the rigging to the holes in each corner of the
unit's base.
3. All panels must be in place for rigging.
4. Place a field‐provided H‐style frame just above the
top edge of the unit. The frame must be of adequate
strength and length. (An H‐style frame will prevent
the top of the unit from being damaged.)
Page 4
DEFROST CONTROL
BOARD
RELAY (K149)
TERMINAL STRIP (TB14)
RELAY (K10)
Y
Voltage
Y = 208/230V‐3 phase‐60hz
G = 460V‐3 phase‐60hz
J = 575V‐3 phase‐60hz
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
3 = 3rd Revision
Part Load Capability
N = Single Stage Compressor
Refrigerant Circuits
S = Single Circuit