Cooling Operation Piping Schematic - Circuit No. 1; Reheat Operation Piping Schematic - Circuit No. 1 - York ZV-06 Installation Manual

Open
Solenoid
Valve
(SOL 1)
Accumulator
Figure 29: Cooling operation piping schematic - circuit no. 1
Closed
Solenoid
Valve
(SOL 1)
Accumulator
Figure 30: Reheat operation piping schematic - circuit no. 1
Optional aux mode
The aux mode available with hot gas reheat units introduces an
operating mode that considers the dry bulb temperature in the
Johnson Controls Ducted Systems
Evaporator
Airflow
Coil
Reheat
Coil
Refrigerant Flow
Reheat Valve
(SOL 3)
Compressor
Closed
Solenoid Valve
(SOL 2)
Evaporator
Airflow
Coil
Reheat
Coil
Refrigerant Flow
Reheat Valve
(SOL 3)
Compressor
Open
Solenoid Valve
(SOL 2)
Condenser
Check
TXV
Valve
Check
Valve
Check
TXV
Valve
Check
Valve
space when choosing hot gas reheat staging. The aux mode
reduces the amount of over cooling while maintaining humidity
control in the space. The aux mode is only applicable when the
unit is set up in the alternate reheat mode.
5567611-BIM-B-1218
Coil
Airflow
Condenser
Coil
Airflow
63