Carrier WeatherMaker 48FC04-07 - Page 22

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Fig. 40 — Typical Control Wiring Diagram Electro-Mechanical with W7212 (48FC 04-06 208-230/3/60 Unit Shown)

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Table of Contents1
Safety Considerations1
Model Number Nomenclature and2
Dimensions2
Rated Indoor Airflow3
Step 4 - Provide Unit Support7
- Slab Mount (Horizontal Units Only)9
- Alternate Unit Support (in Lieu of Curb or Slab Mount)9
Installation7
Jobsite Survey7
Step 1 - Plan for Unit Location7
- Roof Mount7
Step 2 - Plan for Sequence of Unit Installation7
- Curb-Mounted Installation7
- Pad-Mounted Installation7
- Frame-Mounted Installation7
Step 3 - Inspect Unit7
Step 5 - Field Fabricate Ductwork9
Step 6 - Rig and Place Unit9
- Positioning on Curb9
Step 7 - Convert to Horizontal and Connect10
Ductwork10
Step 8 - Install Outside Air Hood11
- Economizer and Two-Position Damper11
- Economizer and Two-Position Hood11
Step 9 - Units with Hinged Panels Only12
Step 10 - Install Flue Hood12
Step 11 - Install Gas Piping13
- Factory-Option Thru-Base Connections (Gas Connections)13
Step 12 - Install External Condensate Trap15
And Line15
Step 13 - Make Electrical Connections16
- Field Power Supply16
- Units with Factory-Installed Non-Fused Disconnect16
- Units Without Factory-Installed Non-Fused Disconnect17
- All Units17
- Convenience Outlets18
- Disconnect18
- Factory-Option Thru-Base Connections (Electrical Connections)19
- Units Without Thru-Base Connections (Electrical Connections)19
- Field Control Wiring19
- Thermostat19
- Heat Anticipator Settings20
- Humidi-Mizer ® Control Connections20
- Typical Unit Wiring Diagrams21
Integrated Gas Controller25
Economi$Er X (Factory Option)27
RTU Open Controller (Factory Option)41
Systemvu™ Controller (Factory Option)41
Controller Options41
Low Ambient41
Smoke Detectors41
Step 14 - Adjust Factory-Installed Options42
Step 15 - Install Accessories42
Step 16 - Fan Speed Set up43
Start-Up Checklist47

Carrier WeatherMaker 48FC04-07 - Page 22

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