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LCC300H2
Lennox LCC300H2 User Manual
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Page 38
248H, 300H, 360H PLUMBING COMPONENTS
FIGURE 1
1
SUCTION
LINE
DISCHARGE
LINE
DISCHARGE
PRESSURE
TA
P
LOW PRESSURE
SWITCH (S87)
HIGH PRESSURE
SWITCH (S4)
SUCTION
PRESSURE T
AP
COMPRESSOR DET
AIL
CIRCUIT 1
(STG 1)
(S1
1)
(S84)
(S85)
(S94)
LIQUID LINE (4)
OPTIONAL
SERVICE
V
AL
VE (4)
DRIER (4)
LIQUID LINE (4)
DISCHARGE
LINE (4)
SUCTION
LINE (4)
(S28)
(S98)
(S96)
(S97)
(S88)
(S7)
LOW AMBIENT SWITCHES
CIRCUIT 2
(STG 1)
CIRCUIT 3
(STG 2)
CIRCUIT 4
(STG 2)
FREEZEST
A
TS (4)
ONE FOR EACH ST
AGE
OF COIL (LOCA
TED ON
THE RETURN BEND)
37
39
Table of Contents
Introduction
1
Table of Contents
2
Specifications
3
Electrical Data
7
High Altitude
7
Electrical Data / Electric Heat Data
7
Options/Accessories
20
Electric Heat Accessories
23
Blower / Acc. Air Resistance Data
24
Parts Arrangement
29
I−Unit Components
31
Control Box Components
31
Cooling Components
39
Blower Compartment
40
Gas Heat Components
44
Electric Heat Components
49
II−Placement and Installation
52
Start up
52
Preliminary Checks
52
Cooling Start up
52
Charging
53
Heating Start up
55
Safety or Emergency Shutdown
56
System Service Checks
57
Heating System Service Checks
57
Cooling System Service Checks
59
Maintenance
59
Filters
59
Lubrication
59
Supply Air Blower Wheel
59
Evaporator and Condenser Coil
59
Electrical
60
VI−Accessories
60
LARMF Roof Mounting Frames
60
Transitions
61
Supply and Return Diffusers
61
LAOAD(M) Outdoor Air Dampers
61
LAREMD Economizers
61
LAGED(H) Gravity Exhaust Dampers
62
LAPEF Power Exhaust Fans
62
Optional Cold Weather Kit
62
Control Systems
63
Smoke Detectors
63
Blower Proving Switch
63
Dirty Filter Switch
63
Indoor Air Quality Sensor
63
LP / Propane Kit
63
Supply Air VFD
63
Wiring Diagrams / Operation Sequence
64
Unit Diagrams
65
Gas Heat
69
Electric Heat
72
Thermostat
72
Economizer
75
4
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Lennox LCC300H2 Specifications
General
Brand
Lennox
Model
LCC300H2
Category
Air Conditioner
Language
English
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