EcoStor2™ SC Solar Indirect System Single Coil Gas Backup Models
88/89
C
■ Heat exchanger – Double wall 1 ⁄2" O.D. enamel coated (Vitraglas®) steel coil ■ Self diagnostic Honeywell gas control ■ Backup Low NOx Burner ■ Sensor wires for solar thermistor connections ■ Integrated Mixing Device ■ Factory Installed Hydrojet® Total Performance System ■ Vitraglas® lining ■ 3/4" NPT female connections on front for supply and return ■ 2" Non-CFC Foam Insulation ■ Potable water connections—3⁄4" NPT factory installed true dielectric fittings ■ Two protective anode rods 1
■ T&P relief valve included ■ Low restriction brass drain valve ■ S-DW2-75 is not FVIR
B
Solar Thermistor Wires, Gas Control Sensor ANODES
A G
Solar Thermistor Wires
F H
Solar Sensor Wiring Junction Box
K
D E
Photo of S-DW2-504T6FBN
EcoStor™ Double-Wall Solar Indirect Models DIMENSIONS IN INCHES
NATURAL GAS AND LIQUID PROPANE GAS MODELS Model Number
S-DW2-504T6FBN S-DW2-65T6FBN S-DW2-75S6BN
A
Gal. Cap.
Input BTU/Hr.
GPH Recovery 90°F Rise*
45 60 75
65,000 65,000 76,000
69 69 82
B
C
Floor to Flue Conn.
Jacket Dia.
591/4 63 623/8
22 24 26
D
E
F
50 531/2 52
4 4 4
16.00
6.00
14.00 12.00 10.00 8.00
3.00
6.00
2.00
4.00
1.00
2.00
0.00
0.00 1
2
3
4
5
6 7 8 Flow Rate (GPM)
9
10
11
12
13
14
Head Loss (ft. w.c.)
Pressure Drop (PSID)
7.00
4.00
G
H
J
113/8 113/8 143/8
56 591/2 59
60 631/4 623/4
321/4 321/4 345/8
K
101/8 101/8 121/2
26 28 303/8
(LP) Propane Gas Inputs
S-DW2-504T6FSX S-DW2-6ST6FSX S-DW2-75S6SX
Heat Exchanger Pressure Drop Curve
5.00
Meet or exceed ASHRAE 90.1b (current standard) CEC Listed 80% Recovery Efficiency
Floor Floor Floor to Approx. Floor Floor Floor to Shipping Vent to T&P to Gas to Heater to Water Solar Collector Solar Collector Top Conn. Return Depth Weight (lbs) Size Conn. Conn. Supply
* Based on manufacturers rated recovery efficiency. Propane models feature a Titanium Stainless Steel propane burner. For propane (LP) models change suffix “BN” to “SX”.
0
J
61,000 BTU/Hr. 63,000 BTU/Hr. 76,000 BTU/Hr.
223 264 306 GPH Rec. 90°F Rise
65 67 82