Carrier 30RB060-390

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Master Chiller

Control

Box

Control

Box

Slave Chiller

Pump and Check Valve

or Isolation Valve

Dual Chiller

LWT Sensors

and Wells

Pump and Check Valve

or Isolation Valve

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LEGEND

NOTE: This is a simplified piping diagram — not all hydronic spe-

cialties are shown.

Fig. 34 — Dual Chiller Control Option Thermistor

Location

LWT — Leaving Water (Fluid) Temperature

Field Wiring

Field Communication Wiring

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Tank Installation

BAD

GOOD

Fig. 35 — Tank Baffling

Distribution Pump

Expansion

Tank(s)

Air Separator

with Vent

Decoupler

Chiller 1

Chiller 2

Zone 1

Zone 2

Zone 3

NOTE: Expansion tanks for 30RB hydronic kits must be installed for chillers piped in parallel in the primary water loop.

Fig. 36 — Typical Air Separator and Expansion Tank Location on Primary-Secondary Systems

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Carrier 30RB060-390 - Page 43