– 5 –
Units with 120VAC Power Supply
• Replace any UL listed fast-acting 1A/250VAC
fuse inside the water meter if fuse is blown.
Units with 230VAC/250VAC Power Supply
• For 230VAC/250VAC operation, replace any
UL listed fast-acting 3A/600V fuse inside the
junction box if fuse is blown.
Input power line and branch circuit protection will be
provided and wired by customer. Refer to Fig. 1 for
240V junction box wiring diagram.
NOTE:
It is recommended that a switch or circuit breaker
(marked as the connecting device) is located near the
equipment and within easy reach of the operator.
Fig. 2
Fig. 1
Water Chiller Option
If water chiller is pump-driven, connect the chiller to the water meter as described in the steps below.
Connection to the water chiller circuit should be done by a quali
fi
ed electrician or service technician. The
auxiliary switch is located in the top-mounted junction box.
Disconnect the electrical power to the machine and follow lockout / tagout
procedures.
1. Verify that the water chiller circuit does not exceed the
auxiliary relay rating.
2. Remove the junction box cover screws, cover and
gasket.
3. Connect water chiller and meter per Fig. 2.
4. Install the junction box gasket and cover. Secure with
the previously removed junction box screws.
5. Connect power to the meter. While test is
fl
owing, verify
that the water chiller pump motor is running in the proper
direction.