FAFCO Solar Hot Water System Owner's Manual - System Layout
System Layout
The schematic below shows the primary components of your FAFCO system. There are many
FAFCO system configurations for electric and gas water heaters including:
- Single Tank Electric Systems
- Dual Tank Electric or Gas Systems
- Single Tank Systems with Electric or Gas Instantaneous Water Heater
Specific components may vary based on your system configuration. Your system may include
an optional anti-scald valve for enhanced hot water scald protection and code compliance.
Dual tank systems have additional plumbing including a bypass valve.
2
Water Heater or
Storage Tank
Vented
Drainback
Tank with
Level
Indicator
Solar
Controller
Circulation
Module
Mounting
Hardware
Coaxial tank
adapter
Anti-Scald
Valve (Optional)
Solar
Collector
Roof
Jacks
Plastic
Tubing
H
H
O
O
M
M
E
E
H
H
O
O
T
T
W
W
A
A
T
T
E
E
R
R
Cold Water
Shut-Off
Valve
Drain Valve
Solar
Sensor
I
I
N
N
C
C
O
O
M
M
I
I
N
N
G
G
C
C
O
O
L
L
D
D
W
W
A
A
T
T
E
E
R
R
Throttling
Valve
Tank Temperature
Sensor