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3.2
C
OMPLIANCE WITH
The brazed plate heat exchanger is constructed and stamped in accordance with ASME Boiler and Pressure
Vessel Code, Section VIII, Division 1 for 219 psig maximum operating pressure. However, certain components in
the domestic piping have a maximum pressure rating of 150 psig. Therefore, the domestic side pressure must
never exceed 150 psig.
The pressure-only relief valve in the domestic piping is constructed and stamped in accordance with ASME Boiler
and Pressure Vessel Code, Section VIII with a standard 150 psig set pressure.
3.3
S
ETUP
3.3.1
Foundation and Placement
Provide a firm, level foundation, preferably of concrete. The P-K Duration II system must be level to function
properly. Consult with a certified Professional Engineer regarding any seismic anchoring requirements.
3.3.2
Clearances
Since the P-K Duration II instantaneous indirect domestic hot water system is designed to operate in potentially
remote mechanical rooms, it requires sufficient clearance for service and operation.
3.3.2.1
Clearance Figure
C
ODES
Clearance Dimensions
P-K DURATION II ™ Indirect Domestic Water Heating System
24"
A
18"
B
36"
C
8
B
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