Carrier AquaForce 30XA Series Installation Instructions Manual page 125

LEGEND
D — Drain,
3 / -in. NPT
4
D — Drain, 1 / -in. NPT
4
E — Expansion Tank Connection,
FS — Flow Switch
PP — Pipe Plug,
1 / -in. NPT
4
PT — Pressure/Temperature Tap
T1 — Leaving Water Thermistor
T2 — Entering Water Thermistor
V — Vent,
1 / -in. NPT
4
*Field-supplied and installed.
†Factory-installed option.
**Required within 10 ft (3 m) of cooler in addition
to suction strainer for open loop systems.
A30-5304
Fig. 50 — Typical Piping Diagram on 30XA DX Cooler Units with Hydronic Package — Dual Pumps
LEGEND
D — Drain, / -in. NPT
3
4
FS — Flow Switch
PP — Pipe Plug,
1 / -in. NPT
4
T1 — Leaving Water Thermistor
T2 — Entering Water Thermistor
V — Vent,
1 / -in. NPT
4
*Field-supplied and installed.
**Required within 10 ft (3 m) of cooler in addition
to suction strainer for open loop systems.
Fig. 51 — Typical Piping Diagram on 30XA082, 092,102,112,122,142,162,182, 202 without Hydronic Package
INSIDE
UNIT
OUTSIDE
UNIT
Chilled
Water Out
/ -in. NPT
3
4
Chilled
Water In
D
V
T1 FS PP
Chilled Water
Out
D
V
Heater (Optional)
T1 FS PP
HYDRONIC PUMP PACKAGE
PT
PT
D
PT
PT
E
Pressure Relief*
Flexible Connections*
Pressure Reducing
Fill Valve*
Heater (Optional)
PP T2
Chilled Water
In
125
PP
T2
D
PT
D
Heater
Air Separator with Vent*
Strainer/Suction Guide
Reverse Flow Check
Valve/Service Valve
Service Valve
Pump
Combination Valve
Isolation Valve*
20 Mesh Stainer**
Pressure Relief*
Flexible Connections*
Isolation Valve*
20 Mesh Strainer†
A30-5325