Figure 9 Single-Phase, 1-3 Ton Model Schematic, Typical - Liebert Prop Fan Condensing Unit User Manual

Figure 9 Single-phase, 1-3 ton model schematic, typical
Conductors Field-Supplied
(See Note 5)
EVAPORATOR UNIT
Unit Alarm
3
Input
Connection
24V Power
2
Supply
From Unit
Min 40 Va
HGBP Signal
Output
4
Connection
1
24V Ground
L1
1-Phase Line
Voltage Supply
L2
By Others
(See Notes 1 & 3)
Earth Ground
By Others
1. All units 208/230V, 1 phase. On 208/230V units installed
in Canada only, CSA requires that L1 and L2 are non-neutral
supply conductors. L1 et L2 pour conducteurs d'alimentation
non-neutres. On other units, L2 is designated neutral. See
unit name plate and installation manual for main supply wiring
information. Use copper conductors only.
2. Use copper conductors only. See unit nameplate for main supply
wire sizing data. Wire per local codes.
3. A remote disconnect switch is to be field-supplied and mounted
within sight of the condensing unit. See unit nameplate for voltage
and amperage requirements.
4. All motors have internal line break overload protectors.
Three-phase motors protected for primary single-phasing conditions.
5. Terminals 1,2,3, and 4 are for connection of control circuit from
evaporator unit. Wiring by others to be NEC Class 2 and sized
for 1V maximum drop.
6. Wire '1' is connected to the grounded side of the 24V Class 2 circuit.
OUTDOOR CONDENSING MODULE
3
BL
HP1
2
W
4
BR
See Note 6
1
BR
BK
HP2
RHTR
R BK
R BK
1C1
2C1
BK BK
CHTR
BK
R BK
CAP2
Y
BR
BR
'FM'
FAN
MOTOR
Optional on
Selected Units
BK C1
BR
HG1
HG1
HGSV
BK
LLSV
BK
Supplied on
BK
1-Ton PFH
Models Only
R
CAP3
BDR
CAP1
R R
PR
1
5
R
2
R
CSR
C R S
COMP
11
Installation
NOMENCLATURE
Standard Devices
BDR -- Bleed Resistor
C1 -- Condenser Contactor
CAP1 -- Compressor Capacitor
Run
CAP2 -- Fan Motor Capacitor
CAP3 -- Compressor Capacitor
Start
25,
CHTR -- Compressor Heater
27
COMP -- Compressor
FM -- Fan Motor
HP1 -- High Pressure Switch
(Auto Reset)
HP2 -- Pressure Switch Receiver
(Auto Reset)
LLSV -- Liquid Line Solenoid Valve
PR -- Potential Relay
RHTR -- Receiver Heater
Optional Devices
CSR -- Compressor Start Resistor
HG1 -- Hot Gas Relay
HGSV -- Hot Gas Solenoid Valve
WIRE COLOR CODE
OR - Orange
R - Red
BR - Brown
P - Purple
GN - Green
Y - Yellow
BL - Blue
BK - Black
W - White
Insulation Color
GN / Y
Tracer Color
Factory-Supplied Line Voltage
Field-Installed Line Voltage Wiring
Optional Line Voltage Wiring
Factory-Supplied 24V NEC Class 2 Wiring
Optional 24V Wiring
Factory-Supplied 24V NEC Class 2 Wiring
Factory-Supplied Earth Grounding Wire
Pigtail Leads 24V Wiring
Terminal Strip Connection
Grounding Lug Connection
191642
Rev. 1