L.B. White Therma Grow HW120 Manuel Du Propriétaire page 4

4
Therma Grow™ Greenhouse Heaters
Specifications
Maximum Input (btu/h / kW)
Minimum input (btu/h / kW)
Indoor Mounting Air Ex-
change Requirements
(1)
Outdoor Mounting Air
Exchange Requirements
Inlet Gas Supply Pressure
Acceptable at the Inlet of
the Heater for Purpose
of Input Adjustment (In.
W.C./kPa)
Burner Manifold
Pressure (in. W.C. / kPa)
Fuel Consumption Per
Hour
Motor Characteristics
H.P. / Watts /RPM
Electrical Supply
(Volts/Hz/Phase)
Amp Draw
(Includes Ignitor)
Dimensions (in. / cm) L x W x H
Minimum Safe
Distances from Heater
to Nearest Combustible
Materials
(1) Air inlets and exhaust outlets must be electromechanically operated and electrically interlocked with the heater to prevent heater
operation if air inlet and exhaust outlet do not open when heating is required.
Owner's Manual • Therma Grow™
HW120 STD
Exhaust Fan
(cfm / m3 / hour)
Shuttered Air Inlet
(sq. in. / sq. cm.)
Shuttered Exhaust
Outlet (sq. in. / sq.
cm.)
LP Gas Max.
Min.
Nat. Gas Max.
Min.
LP Gas Max.
Min.
Nat. Gas Max.
Min.
Max.
LP Gas Min.
Max.
Nat. Gas Min.
120 / 60 / 1
240 / 60 / 1
Starting 120 volt motor
240 volt motor
Continuous 120 volt motor
Operation 240 volt motor
30.75 X 21 X 28.25 x 53.3 x 71.75
Top
Sides
Back
Blower Outlet
Gas Supply
Propane Gas - 6 ft. (1.83 m) U.S., 10 ft. (3.04 m) Canada Natural Gas Supply - N/A
HW120 PLUS HW220 STD
120,000 / 35.2
N/A 65,000 / 19.0
300 / 510
120 / 774
120 / 774
13.5 / 3.36
11.0 / 2.74
11.0 / 2.74
7.0 / 1.74
5.0 / 1.24
N/A
1.4 / 0.35
3.1 / 0.77
N/A
0.8 / 0.20
5.56 lbs / 2.52 kg
N/A 3.01 lbs. /
1.36 kg
120 cu. ft. / 3.42 m3
N/A 65 cu. ft. /
2.53 m3
Ball Bearing
1/3 / 246 / 1,100
YES
N/A
11.8
N/A
4.5
N/A
1 ft. (0.3 m)
1 ft. (0.3 m)
1 ft. (0.3 m)
6 ft. (1.83 m)
HW220 PLUS
220,000 / 64.5
N/A 120,000 / 35.2
550 / 934.5
550 / 934
N/A
1.4 / 0.35
N/A
0.8 / 0.20
10.19 lbs. / 4.62 kg
N/A 5.56 lbs. /
2.52 kg
220 cu. ft. / 6.28 m3
N/A 120 cu. ft. /
3.42 m3
1/2 / 372.8 / 1,100
YES
17.1
6.7
8.4
2.6
35 x 25 x 30 / 89 x 63.5 x 76.2