A.O. Smith 505, Руководство по эксплуатации и установке

Страница: 3 / 40

305, 505, 705 Indoor Manual 3
Specifications
Specifications are subject to change without prior notice.
The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value
listed is for the purpose of input adjustment.
* Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.
** for commercial and hydronic applications requiring higher temperatures
Model
305
505 705
Minimum Gas Consumption Btu/h 15,000 19,000
Maximum Gas Consumption Btu/h
199,000 Natural Gas
190,000 Propane Gas
237,000
Hot water capacity (Min - Max) *
0.6 - 5.3 GPM
(2.3 - 20.1 L/min)
0.6 - 8.5 GPM
(2.3 - 32.0 L/min)
0.6 - 9.8 GPM
(2.3 - 37 L/min)
Hot water capacity (45°F rise) 5.3 GPM (20.1 L/min)
7.4 GPM (28.0 L/min)
Natural Gas
7.1 GPM (26.9 L/min)
Propane Gas
8.8 GPM (33.5 L/min)
Default Temperature Setting (no controller) 120º F (49º C)
Remote Controller Default Temperature
Setting
104º F (40º C)
Maximum Temp Setting (Commercial**) 160º F (71º C) 185º F (85º C)
Maximum Temp Setting (Residential) 140º F (60º C)
Minimum Temperature Setting 98º F (37º C)
Weight 50 lb (23 kg) 55 lb (25 kg)
Efficiency Rating - Propane Gas 84%
Noise level 49 dB
Electrical
Consumption
Normal 79 W 99 W
Standby 2.8 W 2 W
Anti-frost Protection
100 W 116 W
By-Pass Control Fixed
Minimum Gas Supply
Pressure
Natural Gas 5.0 inch W.C.
Propane 8.0 inch W.C.
Maximum Gas Supply
Pressure
Natural Gas 10.5 inch W.C.
Propane 13.5 inch W.C.
Type of Appliance Direct Vent, Temperature controlled continuous flow gas hot water system.
Operation With or without remote controls, mounted in kitchen, bathroom, etc.
Approved Gas Type Natural Gas or Propane - Ensure unit matches gas type it's being installed on.
Connections Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4"
Ignition System Direct Electronic Ignition
Electric Connections Appliance: AC 120 Volts, 60Hz. Remote Control: DC 12 Volts (Digital)
Water Temperature Control Simulation Feedforward and Feedback.
Water Supply Pressure Minimum Water Pressure: 20 PSI (Recommended 30-80 PSI for maximum
Maximum Water Supply Pressure 150 PSI
Remote Control Cable Non-Polarized Two Core Cable (Minimum 22 AWG)
Electronic