68
WARNING: THE WATER HEATER MUST NOT OPERATE WITHOUT THE CIRCULATING PUMP
RUNNING.
If any of the original wire as supplied with the heater must be replaced, it must be replaced with 105°C
wire or its equivalent.
EXTRA LOW VOLTAGE AND ANCILLARY CONNECTIONS
All extra low voltage wiring, including sensors, interlocks, enable/disable, and various options are wired
into terminals 1
–24 on the front wiring panel as noted in
on page 68. Ensure power to the MVB
is isolated and remove the front top panel to access the terminal strip.
WARNING: DO NOT CONNECT ANY SAFETY EXTRA LOW VOLTAGE (SELV) CIRCUIT(S) TO
THIS WATER HEATER.
Fig 35: Extra Low Voltage Field Wiring Connections
