![background image](http://html1.mh-extra.com/html/carrier/38auz/38auz_installation-start-up-and-service-instructions-manual_2560541018.webp)
18
Using plotted operating point:
If plotted operating condition is --
Adjust charge by --
BELOW the curve
REDUCE charge
ABOVE the curve
ADD charge
Final Checks —
Ensure that all safety controls are operating, control panel
covers are on, and the service panels are in place.
30
50
70
90
110
130
150
140
190
240
290
340
390
440
490
540
590
PRESSURE AT LIQUID VALVE (PSIG)
PRESSION À LA VANNE DE LIQUIDE (PSIG)
7.5 TON DUAL STAGE CHARGING CHART PURON
(COMPRESSOR FULL LOAD, ALL CONDENSER FANS OPERATING)
DIAGRAMME DE REMPLISSAGE DE PURON POUR 7.5 TONNES, 2 STAGE
(COMPRESSEUR À PLEINE CAPACITÉ, TOUS LES VENTILATEURS DU
CONDENSEUR EN OPÉRATION)
38AU000028
Rev -
TEMPERATURE AT LIQ
U
ID VALVE
(°F)
TEMPÉRATURE À
LA VANNE
DE
LIQ
U
IDE
(°F)
C14293
Fig. 19 -- 38AUZD/E08 Charging Chart
38A
U