Instruction manual
IMP I IMP/P I SAM Hot Runner Controllers Instruction Manual
9
User’s Selected Jumper Option
1. For degree Celsius operation, install jumper on PC
board marked J1 (marked C on newer models)
2. For 50 Hz operation, install jumper on PC board
marked J2 (automatic on units built after 1999)
3. For 120 Vac input operation, install the 2 jumpers on the
PC board as shown.
4. For 240 Vac input operation, install the 1 jumper on the PC
board as shown.
Note: If units are factory wired for 240 Vac, remove 240 V jumper
prior to installing a 120 V jumper.
SafeChange hot swap feature
Controllers are shipped with SafeChange disabled, because the
controller will not work if the SafeChange feature is enabled, but
the mainframe does not support SafeChange.You can enable
SafeChange quickly and easily using a jumper as described in
this section.
Basic set up choices are made using DIP switches as described
in this section. The switches in a Series IMP Hot Runner con-
troller are set at the factory for J thermocouple as the input type,
with Fahrenheit as the unit of measure for North America, and
Celsius for other shipping destinations.
1. Checking Mainframe for SafeChange Capability
Do not enable SafeChange unless the mainframe supports
this feature.
To check the mainframe for SafeChange capability:
a. Turn off power to the mainframe.
b. Remove a blanking panel or a controller that is OFF, so
you can look into the mainframe.
c. Look at the lower connector block on the backplane.
1) If a metal clip is in the third position in the connec-
tor block, then the mainframe supports










