Installation Guide

Viega IM-PFMB 1007
24
7. FILLING AND TESTING
1. Upon completion of the installation,
the system should be filled and
hydrostatically tested. Use only
POTABLE water for testing.
WATER TESTING SHALL
BE AVOIDED DURING
FREEZING
CONDITIONS.
UNDER NO CIRCUMSTANCES
SHALL THE SYSTEM BE TESTED AT
TEMPERATURES LOWER THAN
10˚F (-12˚C).
2. Open all connected port valves
before filling the system with water
or air and pressurizing. If the
MANABLOC is filled and pressurized
before the port valves have been
opened, read the following notice:
3. Hydrostatic testing of the
MANABLOC plumbing system is to
be conducted according to local
code requirements. In the absence
of local codes, test pressure shall be
at least the expected working
pressure of the system, but not less
than 40 psi nor greater than 225 psi.
NOTE: Some plumbing fixtures may
not withstand test pressures greater
than 80 psi. Consult fixture
manufacturers instructions for pressure
limitations or plug all distribution lines
at the fixture end. The system shall, at
a minimum, withstand the test
pressure, without leaking, for a period
of 15 minutes.
WARNING! PRESSURES
USED IN TESTING CAN
BLOW UNMADE OR
INCOMPLETE
CONNECTIONS APART WITH
TREMENDOUS FORCE!
This force is many times greater when
air is used as a test medium. To reduce
the risk of personal injury, ensure that
all connections are completed before
testing. Use only the pressure and time
required to determine that the system
is leak free.
4. Fluid testing the MANABLOC system
at temperatures below freezing (less
then 32˚F, 0˚C) may be performed
using a solution of water and NON-
TOXIC antifreeze such as propylene
glycol (typically called RV antifreeze).
If such a solution is used, the
antifreeze solution must be
sufficiently concentrated to
withstand the lowest temperature
encountered while the testing fluid is
in the system. Antifreeze solutions
should be purged and the system
flushed with potable water prior to
consumer use.
The water heater shall be
isolated and not included
in the system air test.
5. Air pressure testing of a MANABLOC
is acceptable and preferred to
hydrostatic testing in areas where
cold weather could freeze the
system or where water is not
available. MANABLOC valves shall
be in the open position during the
test, which shall utilize a pressure of
not less than 40 psi and not greater
than 100 psi. The system shall be
tested for a minimum of 15 minutes
but no longer than 1 hour. During
the test, system pressure shall drop
no more than 8 psi in the one hour
period.
If the pressure in the system
declines more than 8 psi during the
minimum 15 minute period,
repressurize the system to the
original test pressure, and retest.*
If the system pressure declines
more than 8 psi again during the
test period, test the distribution line
test caps or any other fittings in the
system with the approved leak
detection solution. (Any connection
found to be in question must be
replaced or remade and the
pressure test repeated.)
If the solution does not show a leak
on any of the caps or fittings, isolate
the MANABLOC by turning the
valves to the "OFF" position,
repressurize if needed, and apply
the same solution to the
MANABLOC manifold components.
For leak detection, use only a
mixture of Original Palmolive
Green™ dishwashing soap (#46100-
46200) or Palmolive Ultra™
(#356140 or 46128) mixed with
potable water at a ratio of 2 ounces
of soap to one gallon of water (mix
Ultra at a ratio of 1.5 ounces per
gallon.)
*During the initial test pressurization
period, the system pressure indicated
on the gauge may decrease due to the
initial deformation of the pipe, followed
NOTICE - VALVE
INFORMATION!
Opening a port valve to
an empty or
unpressurized distribution line may
cause valve damage.
To prevent potential valve damage
or failure, open the port valves
before filling and pressurizing the
lines. The force of water rushing to
fill an empty line can cause the
valve’s sealing to "clip off",
resulting in incomplete sealing or
complete valve failure.
CARE must be exercised when
opening a port valve to an empty
or unpressurized line. The fixture to
which the line is connected should
be in the OFF position and the
valve must be opened slowly until
water starts to flow into the line.
DO NOT CONTINUE to open the
valve until the line is full and
pressurized. Open the valve fully
only after the line is up to system
pressure. The fixture can then be
opened to purge the line of air.
Valve stems are replaceable. Order
Stock Code MBRS4.