Carrier 16DF013-050 - Manual (Page 8)

LEGEND
A,B — Connecting Piping from Purge
Unit Diagram to Machine Cycle
Diagram
CA1 — Solution Pump Motor Overload
CA2 — Refrigerant Pump Motor Overload
CA3 — Burner Blower Motor Overload
FA1
— Chilled/Hot Water Flow Switch
FD — Burner Flame Detector
LCD — Level Control Device
M
— Burner Firing Rate Positioning
Motor
PA1 — High-Temperature Generator High-
Pressure Switch
PA2 — Low Gas Pressure Switch
PA3 — High Gas Pressure Switch
PA4 — Low Combustion Air Pressure
Switch
PI1 — High-Temperature Generator
Pressure Gage
PI3 — Supply Gas Pressure Gage
PI4 — Regulated Gas Pressure Gage
TA1 — Chilled/Hot Water Temperature Limit
TA2 — Solution Pump Motor High-
Temperature Limit
TA3 — Exhaust Gas High-Temperature
Limit
TA4 — Fire Tube High-Temperature Limit
TA5 — Return End Refractory
High-Temperature Limit
TI1-3 — Weak Solution Temperature
Measurement Wells
TI4-6 — Strong Solution Temperature
Measurement Wells
TI7 — Refrigerant Temperature
Measurement Well
TI8 — Refrigerant Condensate Tempera-
ture Measurement Well
TI9 — Exhaust Gas Temperature
Measurement Gage
TS1 — Leaving Chilled/Hot Water
Temperature Sensor
TS2 — Weak Solution Temperature
Sensor
TS3 — High-Temperature Generator
Vapor Temperature Sensor
TS4 — Entering Chilled/Hot Water
Temperature Sensor
TS5 — High-Temperature Generator
Strong Solution Temperature
Sensor
*See Purge Unit insert.
NOTE: Service valve connections are 1 ⁄ 2 -in. NPT.
Fig. 6 — Heating Cycle with Data Points
8