GAS FIRED INFRA-RED WORKSHOP HEATER
3. GENERAL INFORMATION
• Your heater comes fully assembled and is tested at
the factory with the appropriate type of gas and at
the input pressures stated on the nameplate.
• Upon receipt and prior to attempting installation,
be sure to inspect the heater and its packaging for
damage and/or missing components. If damage
is found or missing components are suspected,
contact your dealer.
• Never attempt to operate the heater using a
fuel other than that specifically identified on the
nameplate.
• The installation of the heater must conform with all
local building codes or, in absence of governing
local codes, with the National Fuel Gas Code, ANSI
Z223.1 (NFPA 54). This code can be obtained from
either the: Canadian Standards Association, 8501
East Pleasant Valley Road, Cleveland, OH 44131;
or, NFPA, Battery March Park, Quincy, MA 02269.
• Canadian installations must comply with CAN/
CGA-B149.1.2 gas code which can be purchased
from Canadian Gas Association, 55 Scarsdale
Road, Don Mills, Ontario M3B 2R3.
• A plugged 1/8" N.P.T. Test Gage Connection is
provided on the heater gas control for measuring
manifold pressure.
• See Tables 1 and 2 for heater specifications
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, injury or death. Read the
installation, operation, and maintenance
instructions thoroughly before installing or
servicing this equipment. For assistance or
additional information consult a qualified installer,
service agency, or gas supplier
BTU/HR
MODEL
RATING
NUMBER
NG
OHIR18LV
–
OHIR22NV
22,000
OHIR30LV
–
OHIR33NV
33,000
MODEL
INLET
NUMBER
PRESSURE
OHIR18LV
11"
OHIR22NV
7"
OHIR30LV
11"
OHIR33NV
7"
4
Table 1. BTU Ratings and Supply Pressures
MINIMUM
LP
NG
LP
18,000
–
11"
–
6"
30,000
–
11"
–
6"
Table 2. Heater Dimensions and Orifice Sizes
ORIFICE SIZE
BURNER
PILOT
1.23mm
0.254mm
2.00mm
0.4572mm
1.58mm
0.254mm
2.46mm
0.4572mm
• For additional information contact
GHP Group Inc., 6440 W Howard St., Niles, IL
60714-3302 - www.ghpgroupinc.com
The following extra NFPA Manuals are helpful when
installing this heater in a location not anticipated in this
manual:
Number
NFPA 88
NFPA 409
DO NOT EXCEED 1/2 PSI INLET PRESSURE TO HEATER
Installation in aircraft hangars must be in accordance
with the current edition of ANSI/NFPA No. 409,
Standard for Aircraft Hangars.
Installation in parking structures must be in accordance
with the current edition of ANSI/NFPA No. 88A,
Standard for Parking Structures.
Installation in repair garages must be in accordance
with the current edition of ANSI/NFPA No. 88B,
Standard for Repair Garages.
Provide adequate clearance to combustibles per Table
3 at control end of heater for servicing and minimum on
top and sides for ventilation and combustion air supply.
A minimum clearance of 8' above floor for public
garages in accordance with NFPA No. 88 most recent
edition, or Figure 1; whichever is larger.
This heater must be installed so that the minimum
clearances marked on the heater will be maintained
from vehicles parked below the heater.
Canadian installations in public garages must comply
with CSA B149.1 most recent edition.
WARNING: Maintain clearances as shown in Figure 2
or on heater nameplate.
GAS SUPPLY PRESSURE (W.C.)
MAXIMUM
NG
LP
–
14"
–
14"
–
–
14"
–
14"
–
INPUT
BTU/H
WIDTH
18,000
23" (584mm) 33" (838mm) 25" (635mm) 14. 1 lbs. (6.4kg)
22,000
23" (584mm) 33" (838mm) 25" (635mm) 14. 1 lbs. (6.4kg)
30,000
30.5" (775mm) 33" (838mm) 25" (635mm) 19.4 lbs. (8.8kg)
33,000
30.5" (775mm) 33" (838mm) 25" (635mm) 19.4 lbs. (8.8kg)
Related Subject
Clearances to Combustible Surfaces
Clearances to Combustible Surfaces
ORIFICE
MANIFOLD
NG
LP
–
10"
5"
–
2.00mm
–
10"
5"
–
2.46mm
ASSEMBLED SIZE AND WEIGHT
LENGTH
HEIGHT
SIZE
NG
LP
–
1.23mm
–
–
1.58mm
–
WEIGHT