Connect Vfd - Carrier AquaEdge 19XRV Installation Instructions Manual

CONNECT VFD — The 19XRV chiller has a unit-mounted,
factory-installed VFD starter. Attach power leads by connect-
ing them from inside the VFD cabinet to the line side circuit
breaker terminals. See Fig. 38, 39, and 41.
IMPORTANT: Be sure to ground the power circuit in accor-
dance with the NEC, applicable local codes, and job wiring
diagrams. Also, make sure correct phasing is observed for
proper rotation.
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LEGEND
1 — Disconnect
2 — Unit-Mounted Starter or VFD
3 — Control Panel
4 — Power Panel
5 — Vents
6 — Pressure Gages
7 — Chilled Water Pump
8 — Condenser Water Pump
9 — Chilled Water Pump Starter
10 — Condensing Water Pump Starter
11 — Cooling Tower Fan Starter
(Low Fan, High Fan)
12 — Strainers
Piping
Control Wiring
Power Wiring
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NOTES:
1. Wiring and piping shown are for general point-of-connection only and are not
intended to show details for a specific installation. Certified field wiring and
dimensional diagrams are available on request.
2. All wiring must comply with applicable codes.
3. Wiring not shown for optional devices such as:
• Remote Start/Stop
• Remote Alarms
• Optional Safety Device
• 4 to 20 mA Resets
• Optional Remote Sensors
4. IMPORTANT: Carrier suggests that a structural engineer be consulted if trans-
mission of vibrations from mechanical equipment is of concern.
5. Isolation valves are recommended on the cooler and condenser piping to each
chiller for service.
Fig. 41 — 19XRV with Unit-Mounted VFD
63
CAUTION
Do not punch holes or drill into the top surface of either
power panel. Knockouts are provided in the bottom of the
power panels for wiring connections. Damage to machine
could result.
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