Utica Boilers H2OI Dual 安装指导
5
BOTTOM SOLAR
COIL RETURN
TOP COIL
SUPPLY
BOTTOM SOLAR
COIL SUPPLY
T+P VALVE
TOP COIL
RETURN
COLD
WATER IN
HOT WATER
OUT
BOTTOM HEATING COIL
FOR SOLAR
BOTTOM COIL
3/8" ID THERMAL WELL
3/8" ID THERMAL WELL
TOP HEATING COIL
FOR BACKUP
TOP COIL
3/8" ID THERMAL WELL
DUAL COIL UNITS
1/2" NPT RECIRC.
RETURN PORT
DRAIN VALVE
3/8" ID
THERMAL WELL
4" X 10"
ELECTRICAL BOX
TYPICAL ALL
ELECTRIC BACKUP UNITS
1.5
Heat exchanger coil outputs
Model
Max. Recovery
Max. Recovery
Water Flow
Pressure Drop
(gal/hr.)
(gal/hr.)
Through Coil
Through Coil
Top Coil
Bottom Coil
(gal./min.)
(Ft. Water)
115 Gal. Units
190
214
10.0
3.9
80 Gal. Units
180
214
10.0
3.6
60 Gal. Units
185
214
10.0
3.5
Note: All Ratings are based on 180 degree F boiler water supply and 50 degree F cold Water inlet.
In the interest of continuous improvement, specifications are subject to change without notice.
In the interest of continuous improvement, specifications are subject to change without notice.
For all units with 3500 watt Electric Backup
Model First Hour Rating (gal/hr.) Continuous Rating (gal/hr.)
140 F
115 F
140 F
115 F
115 Gal. Units
73.9
80.0
15.9
22.0
80 Gal. Units
55.9
62.0
15.9
22.0
60 Gal. Units
45.9
52.0
15.9
22.0
DuAl COIl uNITS
ElECTRIC bACKup uNITS
Table 2