User's Manual

Install the ProMix 3KS Upgrade Board
14 313881B
Install the ProMix 3KS
Upgrade Board
1. Shut off ProMix 2KS power (0 position). F
IG
. 4. Also
shut off power at main circuit breaker.
2. Unlock and open EasyKey door with its key.
3. Locate the display board (C). F
IG
. 5.
4. Remove one screw (E) and unplug the existing Pro-
Mix 2KS auto key board from the display board
assembly. F
IG
. 5.
NOTE: Manual systems may not have an auto key
board. Go to step 5.
5. Align connector J4 on the underside of the new Pro-
Mix 3KS upgrade board (UB) with J3 on the display
board. Press them together. F
IG
. 5.
6. Secure the ProMix 3KS upgrade board (UB) with
the screw (E).
To avoid electric shock, turn off EasyKey power
before servicing.
Servicing EasyKey exposes you to high voltage.
Shut off power at main circuit breaker before open-
ing enclosure.
All electrical wiring must be done by a qualified
electrician and comply with all local codes and reg-
ulations.
Do not substitute or modify system components as
this may impair intrinsic safety.
Read Warnings, page 6.
NOTICE
To avoid damaging circuit board when servicing, wear
grounding strap on wrist and ground appropriately.
F
IG
. 4: Power Off
0 = OFF
TI12657a