Contents
Main
38TDB WeatherMaker Two-Speed Air Conditioning Unit with Puron
Installation and Start-Up Instructions
Fig. 1Model 38TDB
Fig. 2Connecting Tubing Installation
Fig. 3Mounting Unit to Pad
Dimensions (In.)
Fig. 4TXV Installed
Fig. 6Positioning of Sensing Bulb
Fig. 5TXV Kit Contents
Table 1Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (In.)
Fig. 7Filter Drier with Sweat Adapter Tube and Liquid Tube
Fig. 8Deep Vacuum Graph
Fig. 10Line Power Connections
Fig. 9Triple Evacuation Method
Seenotes 1, 2, 3, 6, 8, 10, and 12 A01495
CCC
Fig. 11Typical 24V Wiring Diagram
COOL STAGE 1 FAN HEAT STAGE 1 COOL STAGE 2 N/A 24 VAC HOT R
W/W1 Y/Y2 O/W2
Y2
G
Fig. 11Typical 24V Wiring Diagram (Cont)
Seenotes 1, 2, 3, 5, and 7 A01493
Fig. 11Typical 24V Wiring Diagram (Cont)
A01507
Seenotes 1, 2, 3, 6, 7, 8, and 9 A01494
LEGEND
WIRING DIAGRAM NOTES:
Table 2Accessory Usage
Fig. 12Control Board
Fig. 14View from Top of Base Pan
THERMISTOR CURVE
Fig. 13Resistance Values Versus Temperature
Table 3Required Liquid-Line Temperature (F)
Table 4High Capacity Only Subcooling
Table 5Control Function LED Code
Table 6Two-Speed Compressor (Winding Resistance at 70F 20)
Fig. 15Wiring Diagram024, 036, 048
Fig. 16Wiring Diagram037
A01439
Fig. 17Wiring Diagram060