Specifications

CAREL gaSteam
57
17. Technical Specifications
Model number UG045 UG090
Nominal supply voltage (Vac)
230/1~ (from –15% to 10%) 50-60Hz
Steam outlet connection (in)
1 ½ ID x 1 1 ½ ID x 2
Acceptable operating conditions
temperature 34-104 °F, humidity
10-60% rH
Acceptable storage conditions
temperature 50-158 °F, humidity
5-95% rH
Vent category of Appliance
IV
Auxiliary voltage / frequency (V - Hz)
24 / 50-60
Maximum auxiliary power (VA)
25
Instantaneous steam production
(1)
(lb/h)
100 200
Power input at rated voltage (W)
80 285
Max. flow-rate of the supply water (gal/min)
2.6 (or for UG045, 0.7 with supplied spare valve)
Pressure of supply water (PSI/bar)
14.5-116 psi (1-8 bar)
(1) The total steam production is influenced by several factors including ambient temperature, quality of the
feed water, and the system for distributing the steam.
17.1 Thermal and Hydraulic Characteristics
UG045 UG090
nominal 111,980 218,710
Heat Output for natural gas and propane
minimum
BTU/hr
28,000 50,160
nominal 120,490 232,640
Heat Input
minimum
BTU/hr
30,740 55,620
nominal 100 200
Nominal steam production
minimum
lb/hr
25 50
Maximum steam temperature
º F 230
Water holding capacity
gal 14.8 31.7
NO
x
emissions
< 70 mg/kWh
CO
2
Natural Gas
Propane
% vol
% vol
9.2
11.0
9.4
11.4
CO
mg/kWh < 60*
Diameter of the exhaust
Diameter of air intake
3
3
Diameter of steam outlet
in
1 5/8 OD x 1 1 5/8 OD x 2
nominal 131 254
Natural Gas flow rate
minimum
Sft
3
/hr**
34 62
nominal 50 95
Propane flow rate
minimum
Sft
3
/hr**
13 24
Supply gas pressure
Natural gas
Propane
in. w.c. (in H
2
0)
8.0
11.0
Maximum pressure drop allowed between air inlet and
flue outlet
Pa/psi/in H
2
0 90/0.013/.36 82/0.012/.33
*value referred to combustion with natural gas (G20)
** natural gas at 15°C and an atmospheric pressure of 1013.25 mbar.
17.2 Weights
(lbs) UG045 UG090
Packaged 302 364
Empty 275 330
Installed (*) 408 595
(*) In normal operating conditions, filled with water.