11 © STULZ USA – all rights reserved 11.8.22
CYBERWALL™ INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Optional supply air temperature sensors are available. These sensors are unit mounted, one in each module.
Refer to the electrical drawing supplied with your unit for details specific to your system.
Control Valves
The standard configuration of the unit is controlled via modulating ball valves. A two-way full modulating
pressure independent characterized control valve (PICV) option is available. The PICV option uses a control
signal of 210 VDC for modulating control of the full rated flow. Valve position feedback is included from
the valve actuator to the unit controller for monitoring valve position. A quantity of two 2-way chilled water
modulating valves are provided, one control valve for each CAH module coil section.
FRONT VIEW WITH FLOORSTAND
WATER
SUPPLY
WATER
RETURN
REAR VIEW WITH FLOORSTAND
AUXILIARY
ELECTRONICS
BOX DOOR
MAIN
ELECTRONICS
BOX DOOR
GRAPHIC
TERMINAL
REMOVABLE
DISCHARGE
GRILLE
(6 PL)
POWER
DISCONNECT
SWITCHES
Figure 4. Unit Cabinet Features
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