Hardy HI 2151/30WC Single-Scale Controller - Manual (Page 53)

Chapter 3 - Installation
3-23
FIG. 3-18 SET POINT RELAY OPTION BOARD
Step 1. Use the measurements shown in HI 2151/30WC Installation-
Details (See Fig. 3-19) to make four mounting holes.
FIG. 3-19 INSTALLATION DETAILS
Step 2. Drill 3/16-inch diameter holes where marked. (See Fig. 3-19)
Step 3. Install four P/N 2815-
0063 standoffs in the
drilled holes.
Step 4. Install the relay
option board on the
standoffs. (Fig. 3-20)
FIG. 3-20 STANDOFF ASSEMBLY
U1
RN1
TP 1
+ 5V 1
N.O.
N.O.
O
N
S P 3
S P 4
S P 5
S P 6
S P 7
S P 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
U2 PWA-RELAY,
HI2151/30WC
S/N -
TP2 GND
J1
S1
RN2
1
DS3 DS4 DS5 DS6 DS7 DS8
K3 K4 K5 K6 K7 K8
F3 5A F4 5A F5 5A F6 5A F7 5A F8 5A
0
5
3
5
-0
3
5
7
R
E
V
-
J3 J4 J5 J6 J7 J8
1 2