Reference dimensions are ± 10%
All dimensions are ± 1"
MM/DD/YY MM/DD/YY
1/2"=1'
Custom
Dwg No.
Customer / Job name:
Scale:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
AE 09/17/10
Schematic Piping Diagram
PID (1)HWD to (1)HET CWIS & TMV
CD
WH
CD
CNK
LEGEND
HWR
Hot Water Return
HWS Hot Water Supply
CD Condensate Drain
WH Water Heater with Stand
Pump
Ball valve
Check valve
Flow direction
Pressure Relief valve
CNK Condensate Neutralizer
HET
Storage Tank
Termostatic Mixing Valve
Thermometer
TMV
TWR Tempered Water Return
TWS
Tempered Water Supply
ET
Expansion Tank
Drain valve
Air vent
Ball Valve with built-in Drain
Valve
Gas cock
CW Cold Water
TS
Temperature Sensor
Aquastat
Floor drain
Cold Water Injection System
CWIS
CW
HWR
TWR
TWS
HWS
CW
CW
HWS
HWR
TWR
TMV
HET
ET
CWIS
To SystemFrom System
Make-up
Water
TS
From TankTo Tank
Reference dimensions are ± 10%
All dimensions are ± 1"
MM/DD/YY MM/DD/YY
1/2"=1'
Custom
Dwg No.
Customer / Job name:
Scale:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
5562
Schematic Piping Diagram
PID (3)HWD to (1)HET
CW
HET
HWS
HET
To System
CW
TS
CW
HWRHWR
ET
From System
Make-up
Water
LEGEND
HWR
Hot Water Return
HWS Hot Water Supply
CD Condensate Drain
WH Water Heater with Stand
Pump
Ball valve
Check valve
Flow direction
Pressure Relief valve
CNK Condensate Neutralizer
HET
Storage Tank
Thermometer
ET Expansion Tank
Drain valve
Air vent
Ball Valve with built-in Drain
Valve
Gas cock
CW Cold Water
Temperature Sensor
Aquastat
Floor drain
TS
CD
From Tank
To Tank
WH-1
CNK
WH-3WH-2
CD
CD
CD
32
PART 5. PIPING
One water heater schematic
to single tank with mixing
valve and CWIS
™
F. WATER HEATING SCHEMATIC DRAWINGS (continued)
Three water heater
schematic to single tank
IMPORTANT NOTE: The above are representative drawings; must conform to local codes. Consult factory for
Custom System Solutions.