wiring diagrams
SINGLE PACKAGE ROOFTOP
ELECTRIC COOLING
UNITS
Cancels: New WD 558F.36.1
DIAGRAM INDEX
UNIT LABEL DIAGRAM
Unit 558F Voltage-Phase-Hertz Type Label Diagram Figure No.
208/230-1-60 Schematic/Component Arrangement 50DK508524 1
036,048
060
072
090-150
208/230-3-60 Schematic/Component Arrangement 50DK508526 2
460-3-60 Schematic/Component Arrangement 50DK508529 3
575-3-60 Schematic/Component Arrangement 50DK508531 4
208/230-1-60 Schematic/Component Arrangement 50DK508525 5
208/230-3-60 Schematic/Component Arrangement 50DK508527 6
460-3-60 Schematic/Component Arrangement 50DK508530 7
575-3-60 Schematic/Component Arrangement 50DK508532 8
208/230-3-60, 460-3-60 Schematic/Component Arrangement 50DK508528 9
575-3-60 Schematic/Component Arrangement 50DK508533 10
208/230-3-60, 460-3-60 Schematic/Component Arrangement 50DK508793 11
575-3-60 Schematic/Component Arrangement 50DK508794 12
3 to 121/2 Tons
558F
036-150
11/15/00
ACCESSORY WIRING
Description Unit Size Fig. No.
Motormaster® I Control 036-150 13
Motormaster II Control
Time Guard® II Device 036-150 16
Solid-State Enthalpy Control 036-150 17
Differential Enthalpy Control 036-150 18
EconoMi$er 036-072 19
EconoMi$er Sensor Wiring 036-150 20
Power Exhaust 036-072 21
036-072 14
090-150 15
LEGEND
HA — Adjustable Heat Anticipator
WG — American Wire Gage
— Contactor, Compressor
AP. — Capacitor
B—Circuit Breaker
C—Cooling Compensator
OMP — Compressor Motor
D—Diode
EC — Enthalpy Control
ECON — Economizer
EPS — Emergency Power Supply
EQUIP — Equipment
ER — Economizer Relay
FPT — Freeze-Up Protection Thermostat
FU — Fuse
ND — Ground
HC — Heater Contactor (Strip Heat)
HPS — High-Pressure Switch
IFC — Indoor-Fan Contactor
IFM — Indoor-Fan Motor
IFMOVL— Indoor-Fan Motor Overload
(Nine-Volt Battery)
IFR — Indoor-Fan Relay
LPS — Low-Pressure Switch
LSM — Limit Switch (Manual Reset)
MTR — Motor
OAT — Outdoor-Air Thermostat
OFC — Outdoor-Fan Contactor
OFM — Outdoor-Fan Motor
OLR — Overload Relay
P—Plug
PL — Plug Assembly
QT — Quadruple Terminal
R—Relay
SAT — Supply-Air Thermostat
SEN — Sensor
ST — Start Thermistor
SW1 — Switch Fully Open
SW2 — Switch Fully Closed
SW3 — Switch Minimum Vent Position
SW4 — Switch Maximum Vent Position
TB — Terminal Block
TC — Thermostat, Cooling
TDR — Time-Delay Relay
TH — Thermostat, Heating
TRAN — Transformer
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To indicate common potential only.
Not to represent wiring.
NOTES FOR FIG. 1, 2, 5, 6, 9
1. If any of the original wire furnished must be replaced, it must be
replaced with Type 90 C wire or its equivalent.
2. Three-phase motors are protected under primary single-phasing
conditions.
3. Thermostat:
HH07AT170, 172, 174, and P272-2783
Subbase:
HH93AZ176, 178, and P272-1882, 1883
NOTES FOR FIG. 3, 4, 7, 8, 10
1. If any of the original wire furnished must be replaced, it must be
replaced with Type 90 C wire or its equivalent.
2. Three-phase motors are protected under primary single-phasing
conditions.
3. Thermostat:
HH07AT170, 172, 174, and P272-2783
Subbase:
HH93AZ176, 178, and P272-1882, 1883
NOTES FOR FIG. 11
1. If any of the original wire furnished must be replaced, it must be
replaced with Type 90 C wire or its equivalent.
2. Three-phase motors are protected under primary single-phasing
conditions.
3. Thermostat:
HH07AT170, 172, 174, and P272-2783
Subbase:
HH93AZ176, 178, and P272-1882, 1883
4. Set heat anticipator at 1 amp.
5. Use copper conductors only.
6. Use copper, copper-clad aluminum or aluminum conductors.
4. Set heat anticipator at 1 amp.
5. Use copper conductors only.
6. Use copper, copper-clad aluminum or aluminum conductors.
7. For 208/230-3-60 v units: TRAN is wired for 230-v unit. If unit is to be
run with 208-v power supply, disconnect BLK wire from 230-v tap
(RED) and connect to 208-v tap (BLU). Insulate end of 230-v tap.
4. Set heat anticipator at 1 amp.
5. Use copper conductors only.
6. Use copper, copper-clad aluminum or aluminum conductors.
7. For 208/230-3-60 v units: TRAN is wired for 230-v unit. If unit is to be
run with 208-v power supply, disconnect BLK wire from 230-v tap
(RED) and connect to 208-v tap (BLU). Insulate end of 230-v tap.
8.
CIRCUIT
BREAKER
CB 24 V
CB1 150 460-3-60
VOLTS MFG. PT. NO.
Potter & Brumfield
Heinemann Airpax
MUST
TRIP
AMPS
3.2W2BX-1024-3.2
8.5CF3-Z228-4 219-3-2600-486
NOTES FOR FIG. 12
1. If any of the original wire furnished must be replaced, it must be
replaced with Type 90 C wire or its equivalent.
2. Three-phase motors are protected under primary single-phasing
conditions.
3. Thermostat:
HH07AT170, 172, 174, and P272-2783
Subbase:
HH93AZ176, 178, and P272-1882, 1883
4. Set heat anticipator at 1 amp.
5. Use copper conductors only.
6. Use copper, copper-clad aluminum or aluminum conductors.
7.
CIRCUIT
BREAKER
CB 24 V
CB1 150 460-3-60
VOLTS MFG. PT. NO.
Potter & Brumfield
Heinemann Airpax
MUST
TRIP
AMPS
3.2W2BX-1024-3.2
8.5CF3-Z228-4 219-3-2600-486
—2—
—3—
Fig. 1 — Schematic/Component Arrangement; 558F036,048; 208/230-1-60
—4—
Fig. 2 — Schematic/Component Arrangement; 558F036,048; 208/230-3-60
—5—
Fig. 3 — Schematic/Component Arrangement; 558F036,048; 460-3-60
—6—
Fig. 4 — Schematic/Component Arrangement; 558F036,048; 575-3-60