12
Control signal cable
– will be crossed by the control gland (the small one) and connected to the X1 terminal block (Figure
NOTE! For unit with electric heater, the terminals of the water heater antifreeze thermostat must be permanently bridged,
like shown on Figure 15.
Figure 15 - Permanent bridge on Heater al. terminals (G0, DI2)
3-
WAY VALVE FOR WATER COOLER
For the unit equipped with water cooling coil (water cooler), connect its 3-way valve set (valve with actuator) as shown
Figure 16 - Connection of the water cooler 3-way valve. Port Cooling
C
ONNECTING OF
U
SER INTERFACES
Beyond above listed connection of the peripheral control components, two types of user interfaces can be connected to
the relevant ports on the AHU switchbox