Cd-Xm Expansion Module; Pressure Ports - EngA Base User Manual

base

CD-XM EXPANSION MODULE

A TRIAC driver slave connected via Modbus
communication to the base, this module controls
the combustion motor speed on DJ indirect fired
heaters. A 3 wire feedback signal is returned to
the module to confirm the blower speed.

PRESSURE PORTS

Marked as H (high side) and L (low side) for use on
direct fired appliances.
Pressure ports may not be included on appliances
that do not require them.
m
CAUTION:
Do not blow onto the pressure ports. Excessive
pressure and moisture will damage it. The ports are
fragile and should not be tampered with.
IOM67 8 February 2021 R0