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Part Number 4530588 rev 3 4/158
D. Assemble the stacking pipes provided in the stacking
kit as shown in diagram. This allows both ovens
to be supplied by a single gas line. The minimum
recommended size of the a single supply line for two
stacked ovens is 1 inch (25mm). Use a pipe thread
compound that is intended for use on propane gas
piping and be sure to check for leaks before nalizing the
installation.
3/4" Union
3" Nipple
3" Nipple
90 Degree Street Elbow
90 Degree Street Elbow
20-1/2" Nipple
3/4" to 1" Bell Reducer
E. Check leveling of unit four (4) ways (using a common
carpenter’s level on the rack inside the oven).
F. Plug the cord set of each unit into a 115-Volt power
supply outlet.
G. Maintain clearance from combustibles.
CAUTION: Disconnect Both Units from Electrical Supply
Before Servicing.
Gas Supply
The importance of the proper installation of commercial
Gas cooking Equipment cannot be over stressed. Proper
performance of the equipment is dependent, in great part,
on the compliance of the installation with the manufacturer’s
speci cations. Installation must conform to local codes or, in
the absence of local codes, with the National Fuel code, ANSI
Z223.1, Natural Gas Installation code, CAN/CGA-B149.1 or the
Propane Installation Code, CAN/CGA-B149.2, as applicable.
Before assembly and connection, check gas supply.
A. The type of gas for which the unit is equipped is stamped
on the data plate located on the lower rear of the left side
panel. Connect a unit stamped “NAT” only to natural gas;
connect a unit stamped “PRO” only to propane gas.
B. If it is a new installation, have gas authorities check meter
size and piping to assure that the unit is supplied with
su cient amount of gas pressure required to operate the
unit.
C. If it is additional or replacement equipment, have gas
authorities check pressure to make certain that existing
meter and piping will supply fuel at the unit with not
more than 1/2” water column pressure drop.
NOTE: When checking pressure be sure that all other
equipment on the same gas line is on. An internal pressure
regulator is supplied with Sun re Convection Ovens.
Regulator is preset to deliver gas at pressure shown on the
rating plate.
The appliance and its individual shut-o valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of
1/2 PSI (3.45kPa.).
The appliance must be isolated from the gas supply piping
system by closing its individual manual shut-o valve during
any pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 PSI (3.45 kPa).
NOTE: Adequate clearance must be provided for servicing
and proper operation.
Gas Connections
The 1” NPT inlet at the rear must be considered in piping the
gas supply for double stack units or 3/4” NPT for individual
(or single deck) connections. Undersized gas supply line(s)
may restrict the gas supply and a ect performance. If other
gas appliances are supplied by the same supply line, the
supply line must be sized to carry the combined volume
without causing more than 1/2” pressure drop at the
manifold of each appliance on the line at full rate.
Recommended supply pressures are 7” WC, (NAT), and 11”
WC, (PRO); ± 5%. (Must not exceed 13.8” WC[NAT], and 15”
WC[PRO]).
INSTALLATION Continued
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