Operating instructions

Page 7 of 11
INSTALLATION:
STEP 1
Model ECO 18 requires 2 sets of wires and ground (see wiring diagram)
Model ECO 24 and ECO 27 requires 3 sets of wires and ground (see wiring diagram)
Step 2
Take each wire pair and connect them to one breaker (see wiring diagram). Make sure that each
breaker has one wire pair-black wire connected to it and one red wire.
CAUTION: Ensure that you have made the correct connections. You must follow the wire connection as
shown in Figure 2 & 3 to ensure proper operation of the unit. If you cross a set of wires, the unit will not
operate correctly even though it turns on and otherwise appears to function properly.
Figure #2
ECO 24 & ECO 27 requires 3 sets of breakers and wires
ECO 18 requires 2 sets of breakers and wires
Circuit Breaker #1
L1 L2
Circuit Breaker #2
L1 L2
Circuit Breaker #3
L1 L2