2a0t +!-rr – Carrier 38HQ User Manual
Page 12
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Fig. 14 — 38HQ134/38HQ940 with
40AQ036 or 28HQ,VQ036 or 40FS160/
28HQ,VQ036 Cooling Cycle Charging Chart
SUCTION PRESSURE AT COMPRESSOR SERVICE PORT (PSI6)
Fig. 16 — 38HQ146/38HQ960 with
28HQ,VQ048 or 40FS200/28HQ.VQ048 or
40FS220/28HQ,VQ048 or 40QB048
Cooling Cycle Charging Chart
320r
SUCTION PRESSURE AT COMPRESSOR SERVICE PORT (PSIG)
Fig. 15 — 38HQ140/38HQ960 with
28HQ,VQ042 or 40FS160/28HQ.VQ042 or
40FS200/28HQ,VQ042 or 40QB042
Cooling Cycle Charging Chart
830 cfm,70F db
280 +
I tit WET-BULB TEMP.
^AIR ENT
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30
40
50
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100 110
120
130 140
SUCTION PRESSURE AT COMPRESSOR SERVICE PORT (PSIG)
Fig. 17 — 38HQ120/38HQ940 with
40AQ030 or 28HQ.VQ030 Heating Cycle
Operation Check Chart
12