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35
Three Water Heater Schematic To Single Tank With Mixing Valve And CWIS
™
R
Re
effe
er
re
en
nc
ce
e d
diim
me
en
ns
siio
on
ns
s a
ar
re
e ±
± 1
10
0%
%
A
Allll d
diim
me
en
ns
siio
on
ns
s a
ar
re
e ±
± 1
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 (3)HWD to (1)HET CWIS & TMV
WH-1
CD
CNK
WH-3
WH-2
CD
CD
CD
CW
H
WR
TWR
TWS
H
WS
CW
HWS
H
WR
TWR
DR
V
HET
ET
To System
From System
Make-up
Water
TS
AE
12/17/10
1
LEGEND
HWR
HWS
CD
WH
CNK
HET
DR
V
TWR
TWS
ET
CW
Hot Water Supply
Hot Water Return
Cold Water
Tempered Water Supply
Tempered Water Return
Condensate Drain
Water
Heater with Stand
Storage Tank
Expansion Tank
Condensate Neutralizer
Digital
Recirculation
Valve
Thermometer
Pump
TS
Ball
V
alve
Check
V
alve
Aquastat
Flow
D
irection
Pressure Relief
V
alve
Ball Valve with
B
uilt-in Drain
Valve
Gas
C
ock
Drain
V
alve
Air
V
ent
Temperature Sensor
Floor
D
rain
Cold Water Injection System
CWIS
From Tank
To Tank
CWIS
R
Re
effe
er
re
en
nc
ce
e d
diim
me
en
ns
siio
on
ns
s a
ar
re
e ±
± 1
10
0%
%
A
Allll d
diim
me
en
ns
siio
on
ns
s a
ar
re
e ±
± 1
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
12/17/10
Schematic Piping Diagram
PID (3)HWD to (1)HET CWIS
HET
H
WS
CW
CWIS
To System
TS
CW
H
WR
H
WR
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
Cold Water Injection System
CWIS
CD
From Tank
To Tank
WH-1
CNK
WH-3
WH-2
CD
CD
CD
AE
10/21/10
1
IMPORTANT NOTE: The above are representative drawings; must conform to local codes. Consult factory for Custom System
Solutions.
Three Water Heater Schematic To Single Tank With CWIS
™
Piping - continued