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Instinct Installation Manual

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Table Of Contents
CHAPTER 4 - BOILER PIPING
15
CAUTION
WARNING
4.1.
General Piping Requirements
•
All plumbing must meet or exceed all local, state
and national plumbing codes.
•
Support all piping using hangers. DO NOT support
piping
b
y
the
unit
or
its
components
.
•
Use
isolation
valv
es
t
o
isolat
e
syst
em
components
.
•
Install unions for easy removal of the INSTINCT
fr
om
the
syst
em
piping
.
Use a two-wrench method when tightening field
piping onto the boiler piping connections. Use
one wrench to prevent the boiler connections from
turning and the second to tighten field piping.
Failure to support the boiler piping connections
could damage piping, causing a leak, resulting in
substantial property damage, serious injury, or
death.
4.2.
Pressure Relief Valve
1.
The INSTINCT is supplied with a 30 psi pressure relief
valve and must be piped using the PRV connection
as
shown
in
F
ig
.
6
b
elow
.
NOTICE
In installati
ons where the CH pressure exceeds
30 psi, a 50 psi relief valve (not included) can be
installed in lieu of th
e 30 psi relief valve.
2.
To avoid potential water damage to the surrounding
area or potential scalding hazard due to the
operation of the relief valve, the discharge piping:
•
Must be connected to the discharge outlet of the
relief valve and directed to a safe place of disposal.
•
Length should be as short and direct as possible.
The size of the discharge line must not be reduced,
maintainthesame sizeas the outlet ofthe relief valve.
•
Must be directed downward towards the floor
at all times. The piping should terminate at least
6 inches [153 mm] above any drain connection
t
o
allo
w
clear
visibilit
y
of
the
dischar
ge
.
•
M
ust
t
er
minat
e
with
a
plain
end
,
not
with
a
thr
eaded
end
.
T
he
mat
er
ial
of
the
piping
must
hav
e
a
serviceable
t
emperatur
e
rating
of
250ºF
or
g
r
eat
er
.
•
Must not be subject to conditions where
freezing could occur.
•
Must not contain any shut-off valves or
obstructions. No shut-off valve should be piped
between the boiler and relief valve.
Failure to comply with the gu
idelines on
installing the pressure relief valve and discharge
piping can result in substantial property damage,
serious injury, or death
.
Fig. 6 - INSTINCT Pressure Relief Valve, Drain Valve, T&P Gauge Installation
CHAPTER 4