DCS -DRH48N - Manual (Page 10)

9
Locating Heater
Installation:
The Del Rey Heater provides radiant warmth *indoors (commercial applications
only) or outdoors with a powerful 58,000 BTU’S/HR natural gas. All units are equipped
with hot surface ignition and 100% shutoff valve for safety. Del Rey Heaters to be installed
in Aircraft Hangers must be installed in accordance with American National Standards for
Aircraft Hangers, ANSI/NFPA No. 409. Heaters to be installed in public garages must be
installed in accordance with NFPA No. 88A standards for parking structures. Heaters must
be installed so that minimum clearances marked on the heater will be maintained form
vehicles parked below the heater.
The installation must conform with ANSI standard No. Z223.1 entitled National Fuel
Gas Code and any applicable local codes. In Canada, the installation must conform with
local building codes or, in the absence of local codes, with National Standards of Canada
CAN/CGA-B 149.1 & 2-M86. Each heater must be electrically grounded in accordance with
the National Electrical Code, ANSI/NFPA 70 when an external electrical source is utilized.
In Canada, the CSA Canadian Electrical Code, C22.1, Part 1 applies.
The gas inlet supply and normal operating manifold pressure for each heater are as
follows. For gas supply line pressures in excess of 1/2 psig, contact your dealer or the fac-
tory.
Gas Inlet Pressure
maximum: pressure Natural Gas: 1/2 psig
minimum: pressure Natural Gas: 6 W.C.
manifold: pressure Natural Gas: 5 W.C.
The heater has an internal 5” W.C. regulator.
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48" 18"
min min
18"
Front View
Wall
(Combustible
Surface)
Wall
(Combustible
Surface)
0
0
& 3 0
0
Installation (Minimum clearances to combustible material).