Mitsubishi Electric M Serie Manuel D'installation page 28

Installers are strongly advised never to physically uninstall a wired controller while the system is running. In addition to the safety
concerns, this practice can also trigger a remote controller communication error.
IMPORTANT
If the system detects an error that could potentially create a safety hazard, the heater will not operate.
CAUTION
If a heater is installed in a duct, do not use Panel Heater Connector. By doing so, the fan will turn off when the heater is on, which
may result in fire.
NOTE
When using the SPTB1 accessory, take special care when restarting power to the system to ensure that both the indoor unit and
outdoor unit are powered up at the same time to avoid triggering a communication error.
13.3. Condensate overflow safety switch connection (CN4F)
The circuit board is equipped with a connection to
attach a condensate safety float switch. The switch
should be a normally closed low voltage rated
switch. The switch should be installed in a location
that it can sense a drain blockage causing a rise
in water level. This resulting rise in level will cause
it to open. The switch location is to be determined
Specifications are subject to change without notice.
SVZ-KP12, 18, 24, 30, 36NA
by the installing contractor. When the switch opens,
it will cause the LEV to close, stopping the cooling
operation. The fan will continue to run and a fault
code will be shown at the controller. Correcting the
problem and closing the switch will be required be-
fore normal operation can resume. See installation
below:
28 © 2024 Mitsubishi Electric US, Inc.