Chromalox MicroTherm CMX Series - Page 10

User Instructions
TM
Hydraulic Installation
Open-Loop
1. Locate the unit as close as possible to the controlled process
in order to minimize pressure drops. Make sure the unit is
sitting on a solid, level foundation.
2. Using 1
1
/
4
” NPT or larger schedule 40 pipe (fl exible hose
suitable for 150 psi and 250°F minimum service conditions
can be used), connect the 1
1
/
4
” NPT “FROM PROCESS”
and “TO PROCESS” ports to the mold, mold manifold, or
other process.
3. Pipe the entire system to minimize air pockets. Provide air
bleed valves at high points and drains at low points.
4. Connect the plant water supply (30 psi to 80 psi) to the
unit’s 1/2” NPT “WATER SUPPLY/COOLING INLET” port
with suitable pipe or hose.
5. Connect the
1
/
4
” NPT port identifi ed as “DRAIN
COOLING OUTLET” to an open or plant drain that
contains no valves or obstructions that could impede
discharge. Review the condition of potential hot water or
steam going down a plant drain. Verify that local codes and
materials are acceptable for this service.
6. Locate fl oor drain under unit. The air bleed and relief valve
may discharge hot water or steam from the bottom of the
unit. Do not locate materials that could be damaged by hot
water or steam adjacent to the unit.
Figure 2.1
Open-Loop System Piping
T
T
emperature Controlle
emperature Controlle
T
T
T
T
r
r
g
g
g
Drain/Cooling
Outlet
Drain/Cooling Outlet
()
(1/4
NPT)
(1/4 NPT)
Fr
Fr
om
Pr
om Pr
ocess
ocess
W
W
W
ocoupl
ocoupl
e
e
(1 1/4
NPT)
(1
-
1/4 NPT)
6
Hazard of Explosion, Fire and Scalding Burns
WARNING