User Guide
Table Of Contents
- Product Data
- Features/Benefits
- Model Number Nomenclature
- AHRI Capacities
- Unit Dimensions
- Unit Dimensions
- 36-60
- Accessory Dimensions
- 1. Roof curb must be set up for unit being installed.
- 2. Seal strip must be applied, as required, to unit being installed.
- 3. Roof curb is made of 16-gauge steel.
- 4. Attach ductwork to curb (flanges of duct rest on curb).
- 5. Insulated panels: 1-in. (25.4 mm) thick fiberglass 1 lb. density.
- Performance Data
- Application Data
- Electrical Data
- Connection Wiring Schematic 208/230-1-60
- Controls
- Operating Sequence
- 2. The normally open contacts of energized contactor (C) close and complete the circuit through compressor motor (COMP) to condenser (outdoor) fan motor (OFM). Both motors start instantly.
- 3. The set of normally open contacts on the interface fan board (IFB) are closed which energizes a circuit to the indoor fan motor (IFM).
- Guide Specifications
- Packaged Gas Heating/Electric Cooling Units Constant Volume Application
- HVAC Guide Specifications
- General
- Products
- Guide Specifications (Continued)
- 2. Compressor Start Kit (single phase units only):
- 3. Thermostat:
- 4. Crankcase Heater:
- 5. Economizer:
- 6. Filter Rack Kit:
- 7. Flat Roof Curb:
- 8. Flue Discharge Deflector
- 9. Low Ambient Package:
- 10. Manual Outdoor Air Damper:
- 11. Square-To-Round Duct Transitions (24-48 models):
- 12. Time Guard II
- 13. Low Pressure Switch Kit
577C--K Ultra Low NOx: Product Data
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
26
A06564
Electrical Data
MODEL
NOMINAL
V-PH-HZ
VOLTAGE RANGE COMPRESSOR OFM IFM IDM POWER SUPPLY
MIN MAX RLA LRA FLA FLA FLA MCA MOCP
24040,
24060
208/230-1-60 197 253 11.1 59.5 0.6 3.9 0.7 18.4 25
30040,
30060
208/230-1-60 197 253 14.1 67.9 1.05 3.9 0.7 22.6 30
36060 208/230-1-60 197 253 14.7 75 1.05 3.8 0.7 23.3 35
36060 208/230-3-60 197 253 8.5 70 1.05 3.8 0.7 15.5 25
42060,
42090
208/230-1-60 197 253 16.7 109 1.05 5.8 0.7 27.8 40
42060,
42090
208/230-3-60 197 253 11.2 84 1.05 5.8 0.7 20.9 30
48090 208/230-1-60 197 253 19.6 130 1.05 6.9 0.7 32.5 50
48090 208/230-3-60 197 253 13.7 83.1 1.05 6.9 0.7 25.1 35
LEGEND
FLA - Full Load Amps
IDM - Inducer Motor
IFM - Indoor Fan Motor
LRA -Locked Rotor Amps
MCA - Minimum Circuit Amps
MOCP - Maximum Over Current Protection
OFM - Outdoor Fan Motor
RLA - Rated Load Amps