22
22
Installation
ESP-Me Advanced User Manual
3.
For 120V
: Using the provided wire nuts, connect
the external power source wires (two power and one
ground) to the transformer connection wires inside the
wiring compartment.
1
2
3
4
VT = VALVE TEST
VT MV COM
2
4
V
A
C
G
N
D
S
E
N
S
VT MV COM
5
6
7
11
12
13
17
18
19
1
2
3
4
8
9
10
14
15
16
20
21
22
3.
For 230V
: Use either the provided wire nuts or the
installed connector for this step.
L
N
3.
d
c
WARNING:
Ground wire must be connected to
provide electrical surge protection. Permanently
mounted conduit shall be used for connecting main
voltage to the controller.
4.
Verify that all wiring connections are secure, then
replace the wiring compartment cover and secure it
with the screw.
Station Expansion Modules
Optional Station Modules are installed in the empty slots
to the right of the base module. Installation of 6-Station or
3-Station Modules into those slots can increase the station
capacity up to 22 stations.
Module Options
3-STATION
(
ESPSM3)
VT MV COM
6-STATION
(
ESPSM6)
Expansion Modules
(sold separately)
Base Module
(included)
d
b
NOTE:
6-Station module is compatible only with the
ESP-Me. They are not backwards compatible with the
previous vintage controller.
d
b
NOTE:
For ideal station sequencing, it is
recommended that a 6-Station module always be
installed in the Bay 2. For more details see Station
Numbering section.
Install Modules
1.
Verify the securing lever on the module is in the
unlocked position (slide to the left).
2.
Place the module under the desired slot between the
plastic rails.
2.
1.
3.
Push the module up into the slot until secure.
