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VELUX glass lined solar storage tank (with atmospheric gas backup)
• Glass Lined Steel Tank
• Two Protective Aluminum Anode Rods
• R-value of R-17
• Internal double wall glass coated steel solar heat exchanger
• Honeywell Self Diagnostic Gas Control
Solar water heating
B
C
D
VELUX solar storage tank dimensions
MODEL #
GAL
TFF 060 2205US
60
TFF 080 2205US
70
TFF 060 3205US
60
TFF 080 3205US
70
VELUX solar storage tank connections and weight
Solar heat exchanger
MODEL #
inlet/outlet connections
TFF 060 2205US
TFF 080 2205US
TFF 060 3205US
TFF 080 3205US
VELUX solar storage tank specs
Backup
MODEL #
fuel
TFF 060 2205US
Natural gas
TFF 080 2205US
Natural gas
TFF 060 3205US
LP
TFF 080 3205US
LP
Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into the potable side of this system. The potable side may NEVER be
connected to any existing heating system or component(s) previously used with a non-potable water heating appliance.
A
G
F
E
A
B
24"
63"
26"
62
⁄
"
3
8
24"
63"
26"
62
⁄
"
3
8
Hot/cold potable water
connections
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
Backup
Solar HX
input rate
volume (gal)
(btu/h)
55,000
2.5 gal
76,000
2.5 gal
63,000
2.5 gal
76,000
2.5 gal
• Flammable Vapor Ignition Resistant technology (FVIR)
(TFF 060 2205 and TFF 060 3205)
• Backup Low NOx Burner (Ultra Low NOx Burner with
TFF 060 2205) – Comply with SCAQMD Rule 1121.
• T&P Relief Valve – Included
• Brass Drain Valve – Tamper proof
Hot water
outlet
Gas control
sensor
Solar heat exchanger
Gas control valve
Back-Up
burner
Dimensions
C
D
59
⁄
"
11
⁄
"
1
5
2
8
59"
14
⁄
"
3
8
59
⁄
"
11
⁄
"
1
5
2
8
59"
14
⁄
"
3
8
Vent connection
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
Heated water
volume of
back up
77º rise
60 gal
70 gal
60 gal
70 gal
E
F
10
"
32
⁄
"
1/
1
8
4
12
⁄
"
34
⁄
"
1
5
2
8
10
"
32
⁄
"
1/
1
8
4
12
⁄
"
34
⁄
"
1
5
2
8
Shipping weight (lbs)
4"
4"
4"
4"
Recovery (gph)
First hour supply (gal)
90º rise
77º rise
67
57
109
92
79
141
77
66
119
92
79
141
Part 5: Specifications – 41
Cold water inlet
Temperature and
pressure relief valve
Aluminum jacket
Surface mounted
solar sensor
Drain valve
G
53
⁄
"
1
2
52"
53
⁄
"
1
2
52"
272
306
264
306
90º rise
99
128
108
128
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