Carrier AquaForce 30XA Series Installation Instructions Manual page 122

V
HEATER
D
LEGEND
D — Drain, 3 / -in. NPT
4
FS — Flow Switch
PP — Pipe Plug, / -in. NPT
1
4
T1 — Leaving Water Thermistor
T2 — Entering Water Thermistor
V — Vent, 1 / -in. NPT
4
— 20 Mesh Strainer (required within 10 ft (3 m) of cooler
0
Fig. 45 — Typical Piping Diagram on 30XA Units without Hydronic Package (Flooded Cooler)
MASTER CHILLER
SLAVE CHILLER
DUAL CHILLER
LWT SENSORS
& WELLS
CONTROL
BOX
PUMP & CHECK VALVE
OPT
OR MOTORIZED VALVE
OPT
CONTROL
BOX
PUMP & CHECK VALVE
OPT
M
OR MOTORIZED VALVE
OPT
Fig. 46 — Parallel Dual Chiller Operation
122
V
T1 PP
HEATER
FS PP T2
D
M
a30-5294
LWT — Leaving Water Temperature
Field-Installed Communication Bus (slashes
indicate number of conductor wires)
Field-Installed Wiring
Optional Piping
Isolation Valve
M
Motorized Valve
Check Valve
Chilled Water Out
Chilled Water In
a30-5326
LEGEND