Temperature And Pressure Relief Valve - RBI Infinite Energy2 IW199 Installation And Operation Instructions Manual

7 - INSTALLATION - Water connections
020009.01.009
L
F
F
Figure 7-3 - Piping of the P-T relief valve
discharge
7.5 - Temperature
and pressure Relief
valve
This appliance is supplied with a
Safety Temperature and Pressure
Relief valve which discharge
connections must be piped like on
Figure 7-3 and in accordance with
the ANSI/ASME Boiler and Pressure
Vessel Code, Section IV, to prevent
scalding in the event of a discharge.
Provide piping that is the same size as
the safety relief valve outlet.
E
G
F
H
E
G
H
E
G
H
NOTICE! The separate storage
vessel must have a temperature and
pressure relief valve installed. This
relief valve shall comply with the
Standard for Relief Valves for Hot
Water Supply Systems, ANSI Z21.22
• CSA 4.4.
NOTICE! If the relief valve discharges
periodically, this may be due to
thermal expansion in a closed water
supply system. Contact the water
supplier or local plumbing inspector
on how to correct this situation. Do not
plug the relief valve.
Key to Figure 7-3
E = ASME Safety Temperature and Pressure relief valve
F = Temperature and pressure gauge
G = Elbow (Field supplied)
H = Relief valve discharge piping (Field supplied)
L = Hot water outlet
45
WARNING!!!
Failure
to properly pipe the relief
valve discharge can result in
scalding of individuals and
animals.
WARNING!!!
Never block
the outlet of the safety relief
valve or an explosion causing
extensive property damage,
severe personal injury or death,
may occur!
WARNING!!!
Never install
any type of valve between the
appliance and the relief valve or
an explosion causing extensive
property damage, severe
personal injury or death, may
occur!