Charging and pressure check charts – Carrier 380B User Manual
Page 10
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connect high- and low-voltage power wiring;
and replace louvered casing.
13. Replace top cover by running 4 screws into
orifice loosely (2 on each side of unit) and
tighten when cover is in place. Replace remain
ing screws.
14. Evacuate and recharge system.
CHARGING AND PRESSURE CHECK CHARTS
PSIG
(kPa)
(469) (483) (496) (510) (524) (538) (552) (565) (579) (593) (609)
PRESSURE AT SUCTION SERVICE VALVE
Fig. 8 — 38QB018 with 28HQ.VQ024,
40AQ024 or 40DQ024
Cooling Cycle Charging Chart
PSIG
(kPo)
(455)(469 (483)(496)(510) (524)(538) (552)(565)(579)(593)(607)
PRESSURE AT SUCTION SERVICE VALVE
Fig. 10 — 38QB024 with 28HQ,VQ030,
40AQ030 or 40DQ030
Cooling Cycle Charging Chart
(kPa)
SUCTION PRESSURE AT SERVICE PORT
Fig. 9 — 38QB018 with 28HQ,VQ024,
40AQ024 or 40DQ024
Heating Cycle Operation Check Chart
Fig. 11 — 38QB024 with 28HQ,VQ030,
40AQ030 or 40DQ030
Heating Cycle Operation Check Chart
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