Johnson Controls PC090 THRU 240, PD 180 THRU 240 Cooling Charging Curves, Suction Pressure psi

430645-YIM-D-0610

				Cooling Charging Curves
						PC090
(psi)	600								115°
	500
Pressure
	400								105°
									95°
Discharge	300								85°
									75°
	200								65°
	120	130	140		150		160	170

Suction Pressure (psi)

Outdoor Air Entering Condenser (F)

180

1.Make sure that both condenser fans are running when charging.

2.This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply.

Figure 11: PC090 Charging Chart

Cooling Charging Curves

PC120

Discharge Pressure (psi)

600								(F)
						105°		Condenser
500						115°
								Entering
400						85°
						95°
300						75°		Air
								Outdoor
						65°
200
120	130	140	150	160	170		180

Suction Pressure (psi)

1.Make sure that both condenser fans are running when charging.

2.This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been adjusted in the field, the charging chart may no longer apply.

Figure 12: PC120 Charging Chart

Johnson Controls Unitary Products 27