Carrier AquaEdge 19DV Operation And Troubleshooting page 10

Two-stage high-efficiency semi-hermetic centrifugal liquid chillers with pic6 controls

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REFRIG PUMP POWER

CTL POWER

ECONOMIZER VENT POWER

GUIDE VANE 1

PURGE POWER

GUIDE VANE 2

FREE COOLING

ENVELOPE CONTROL (HGBP)

REFRIGERANT PUMP POWER

ECONOMIZER BYPASS

Fig. 7 — HMI Panel

Fig. 8 — 19DV Control Panel

Fig. 9 — 19DV Purge Panel

7TB IN HMI PANEL

FOR CUSTOMER

COMMUNICATION

CCN CONNECTION

A (+)

a19-2251

C (G)

B (-)

COMMUNICATION -

VFD/CONTROL PANEL

INTERLOCK -

VFD/CONTROL PANEL

HMI POWER

HMI COMMUNICATION

HMI GROUND

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