Bryant DURAPAC PLUS SERIES 542J - Manual (Page 32)

— 32 —
LEGEND
NOTE: Circuitry shown is for single system; 542J180 units have
2 individual and independent refrigeration systems that each
operate in an identical manner.
→
— Refrigerant Flow Direction
∆ — Check Valve Flow Direction
X — Fixed Orifice
*See Table 15 for check valve operation
details.
CHECK VALVE* COOLING
A
B
C
D
E
F
Closed
Open
Closed
Open
Closed
Open
Fig. 43 — Heat Pump Heating Cycle
Fig. 42 — Heat Pump Cooling Cycle
LEGEND
NOTE: Circuitry shown is for single system; 542J180 units have
2 individual and independent refrigeration systems that each
operate in an identical manner.
→ — Refrigerant Flow Direction
∆
— Check Valve Flow Direction
X — Fixed Orifice
*See Table 15 for check valve operation
details.
CHECK VALVE* COOLING
A
B
C
D
E
F
Open
Closed
Open
Closed
Open
Closed