Powers 400 Series Balancing Valves - Manual

OPERATION
Hot and cold water enter their respective ports and the pres-
sures are equalized through the action of the balancing pop-
pet (1). The entire balancing poppet assembly is contained in
a celcon chamber (2). This chamber is replaceable as a com-
plete cartridge. After the hot and cold presses are equalized,
they are mixed by the action of the mixing plate (3). As the
temperature adjustment stem is rotated from shutoff to maxi-
mum hot water temperature (approximately 180°), the mixing
plate passes the required proportion of hot and cold water to
produce the control point. With the adjustment stem in its full
clockwise position, shutoff is obtained by shutting off both
supplies. The maximum temperature stop (4) allows the user
to set the maximum discharge temperature. This mixer does
not recognize supply water temperature changes so any vari-
ation in the water temperature will affect the control point
and the maximum temperature setting.
SPECIFICATIONS
Operating Capacity
Model 1–3
................... 9 GPM @ 45 psi (.57L/sec @ 310 kPa)
Model 4 3-port .......... 6 GPM @ 45 psi (.38L/sec @ 310 kPa)
4-port
Top .......... 6 GPM @ 45 psi (.38L/sec @ 310 kPa)
Bottom .... 6 GPM @ 4S psi (.38L/sec @ 310 kPa)
Model 6 ......................... 6 GPM @ 45 psi (.38L/sec @ 310 kPa)
Inlet and Outlet Sizes
Model 1–3:
Inlet and Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2
″
NPT
Bottom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/4
″
NPT
Model 4–6, all ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2
″
NPT
Maximum pressure (static) . . . . . . . . . . . . . . . . . . . . . . . . 125 psi (862 kPa)
Maximum inlet temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180°F (82°C)
Built-in shutoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All models
Roughing-in template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All models
Maximum temperature adjustment . . . . . . . . . . . . . . . . . . . . . . . All models
MAINTENANCE
Troubleshooting Pointers
What to look for if:
1. The flow of water is less than desired.
a. Valves upstream from supply not fully open.
b. Low supply pressures.
c. Accumulation of lime deposits in hot water pipes,
restricting the flow of hot water.
d. Shower head clogged.
2. Flow of water is completely shut off.
a. Valves upstream from supply completely closed.
b. Failure of hot or cold water supply pressure. The
Hydroguard is constructed to restrict the flow of water
on hot or cold water supply failure,
3. The temperature of the water goes from hot to cold when
the adjustment handle is rotated counter-clockwise.
a. The water supplies are connected to the wrong port.
4. Flow of water continues when Hydroguard is shut off.
a. Worn SHUTOFF DISCS. Replace worn disc.
5. Maximum temperature is too low.
a. Accumulation of lime deposits in hot water pipes,
which restricts the flow of hot water.
b. The concealed maximum temperature is not at its
maximum adjustment.
c. Hot water temperature too low.
TECHNICAL INSTRUCTIONS
Hydroguard 400 Valves
Models 1–6
Form TI400 v2
A Watts Industries Co.