PRODUCT SPECIFICATIONS
This unit heater is a single input warm air heater with an average thermal efficiency of 80%. All units are to be supplied with single-phase 60 Hz
120VAC power. For specific information on each model, see Table 1.
HSU200NG
HSU250NG
HSU300NG
HSU400NG
Job Name: ___________________________ Job No.: _____________________________ Date: _______________________________
Job Location: _________________________ City: ________________________________ State/Province: _______________________
Installer: _____________________________ City: ________________________________ State/Province: _______________________
Unit Model No.: _______________________ Serial No.: ____________________________ Service Technician: ____________________
Electrical Connections Tight? _____________________________ Flue Connections Tight? _____________________________________
Supply Voltage ________________________________________ Fan Timer Operation Checked? _______________________________
Gas Piping Connections Tight & Leak-Tested? _______________ THERMOSTAT Calibrated? ___________________________________
Motor Amps __________________________________________ Heat Anticipator Properly Set? ________________________________
Furnace BTU input _____________________________________ Level? ___________________________________________________
Line Pressure _________________________________________
Manifold Pressure W.C. _________________________________
Top View
Width
BTU input
BTU output
[BTU/HR]
[BTU/HR]
HSU200NG
200,000
160,000
HSU250NG
250,000
200,000
HSU300NG
300,000
240,000
HSU400NG
400,000
320,000
TABLE 1: Specifications
BTU input
Entering
[BTU/HR]
Airflow
[CFM]
200,000
3,377
250,000
3,435
300,000
4,507
400,000
5,763
TABLE 2: General Performance Data
START-UP AND PERFORMANCE CHECK LIST
Large Unit Heater
Dimensional Data
FIGURE 1
WIDTH
LENGTH
41.3"
28.7"
41.3"
28.7"
41.3"
28.7"
41.3"
28.7"
Outlet
AIr Temp.
Motor
Velocity
Rise [ºF]
[Watt]
[FPM]
960
45.0
650
976
55.3
650
1,040
50.6
1,000
1,040
52.7
1,000
3
Operating Instructions and Owner's Manual
Rear View
Width
Size
HEIGHT
WEIGHT[Lbs.]
24.8"
175
24.8"
180
30.3"
227
38.6"
280
Motor
Fan Diameter
[RPM]
[Inch.]
1,500
21.7
1,500
21.7
1,560
24.8
1,560
24.8