TriangleTube 399 Solo - Manual (Page 20)

Boiler Piping
SECTION IV - Boiler Piping
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 by the unit or its components.
- Use isolation valves to isolate system com-
ponents.
- Install unions for easy removal of the
PRESTIGE Solo from the system piping.
Use a two wrench method when tighten-
ing piping onto the boiler connections.
Use one wrench to prevent the boiler
piping from turning / twisting. Failure
to support the boiler piping and connec-
tions in this manner could cause damage
to the boiler and its components.
Pressure Relief Valve
1. The PRESTIGE Solo is supplied with a 30
psi pressure relief valve and must be piped
using the PRV connection as shown in Fig.
5 page 15.
2. To avoid potential water damage to the sur-
rounding area or potential scalding hazard
due to the operation of the relief valve, the
discharge piping:
- Must be connected to the discharge out-
let 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
should not be reduced, maintain the
same size as the outlet of the relief valve.
- Should be directed downward towards
the floor at all times. The piping should
terminate at least 6 inches [153 mm]
above any drain connection to allow
clear visibility of the discharge.
- Should terminate with a plain end, not
with a threaded end. The material of
the piping should have a serviceable
temperature rating of 250ºF or greater.
- Should not be subject to conditions
where freezing could occur.
- Should 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 guidelines on
installing the pressure relief valve and
discharge piping can result in personal
injury, death or substantial property
damage.
Low Water Cutoff Device
- The PRESTIGE Solo is equipped with a fac-
tory installed pressure switch type Low Water
Cut Off device.
- The minimum operating system pressure
allowable with this device is 10 psig.
- Check local codes if a Low Water Cutoff
Device is required. If so, determine if this
device meets the requirements of the local
codes.
The PRESTIGE Solo control system also
senses the system water temperatures
entering and exiting the heat exchanger
to provide protection against low water
conditions Where local codes and juris-
diction do not accept a pressure device
for low water protection, the jurisdic-
tions may accept these PRESTIGE Solo
integral control functions as a means of
providing low water protection.
NOTICE
WARNING
WARNING
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