Initial Installation
QUALIFIED INSTALLERS ONLY
22
gas Line connection:
WARNING: Only persons licensed to work with gas piping
may make the necessary gas connections to this
appliance.
Gas Line Connection:
• A ⅜” NPT male pipe nipple (supplied with the unit) will
have to be turned into the valve at the lower left side rear
of this replace (see Figures 25 and 26). Consult the local
authorities for local codes or use the CAN/CGA B149 (1 or 2)
installation code in Canada. In the US, gas installations follow
either local codes or the current edition of the National Fuel
Gas Code ANSI Z223.1.
• If the factory-built replace has no gas access hole(s)
provided, an access hole of 1.5 in (37.5mm) or less may be
drilled through the lower sides or bottom of the rebox in a
proper workmanship like manner. This access hole must be
plugged with non-combustible insulation after the gas supply
line has been installed.
• A shut-off valve is supplied with this unit.
• The appliance and its appliance main gas valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess ½
psi (3.5 kPa). The appliance must be isolated from the gas
supply piping system by closing its equipment shutoff valve
during any pressure testing of the gas supply piping system
at test pressures equal to or less than ½ psi (3.5 kPa).
Figure 25: ⅜” NPT Male Pipe Nipple
with Cover Attached.
Table 5: Orice and Pressure Information.
E33 With Log Set & Nova Valve
Main Burner Natural Gas Propane Gas
Orice: #36 DMS #52 DMS
Max. Manifold Press: 3.8 W.C. (0.95 KPa) 11.0 W.C. (2.74 KPa)
Min. Manifold Press: 1.2 W.C. (0.30 KPa) 2.7 W.C. (0.67 KPa)
Max. Supply Press: 10.5 W.C. (2.62 KPa) 13.0 W.C. (3.24 KPa
Min. Supply Press: 3.5 W.C. (0.87 KPa) 8.0 W.C. (1.99 KPa)
Max. Input: 34,000 BTU/hr (9.96 KW) 31,000 BTU/hr (9.09 KW)
Min. Input: 17,000 BTU/hr (4.98 KW) 23,000 BTU/hr (6.74 KW)
Figure 26: ⅜” NPT Male Pipe Nipple
with Cover Removed.
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