Manual
Installation RTCSmp Built-In Temperature Controlled Hold-Line 
Part # 4532286 Rev 3 (6/10/14)    9 
  Ensure the induction unit always gets cool air intake. If necessary, draw in fresh air supply through an air 
duct (not provided). 
  When installing the built-in unit, ensure the intake air and exhaust air are conducted separately. The in-
take air and exhaust air must not mix. To avoid build-up of hot exhaust air inside the cabinet, draw the 
exhaust air out of the cabinet. Build up of hot exhaust air will cause the induction unit to reduce power 
or to switch-off. The air intake temperature must not exceed 104F (40C). 
  We recommend drawing fresh intake air through an air intake vent with a removable air intake filter. 
  It is highly recommended that an exhaust fan be installed into the cabinet at an appropriate location. 
This will force hot air out the cabinet and away from the induction unit. Consult an electrical or 
installation expert for the most appropriate location to install a cabinet exhaust fan. 
4.3  Electrical Compartment Protection 
To protect the equipment, isolate the unit and the wires in a separate electrical compartment inside the cabinet. 
The illustrations below show two installation versions. 
Figure (A)  The unit is installed in one compartment and the wires are exposed. 
Figure (B)  The interior space of the cabinet is divided and the unit and the wires are protected inside 
separate compartments. Extra storage space is also created next to the electrical compartments. 
(C) 
IMPORTANT Fresh air intake through the fan. It is recommended to isolate the 
fresh air intake from the exhaust air via an air intake duct and filter the intake air 
with a removable air filter. (see example on right) 
(D)  Hot air exhaust from the induction unit. 
(E) 
IMPORTANT Air exhaust opening installed on the cabinet. It is highly 
recommended to install a fan or fans on the cabinet to pull the hot exhaust air 
away from the electronic equipment. Buildup of hot exhaust air will cause the 
induction unit to reduce power or to switch-off. The air intake temperature must 
not exceed 40C / 104F. 
(F)  IMPORTANT Minimum clearance for electrical connections: 75mm / 2.95” 
(G)  IMPORTANT Minimum clearance for air-exhaust outlets: 40mm / 1.57” 
Figure 
B
Figure 
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Air Intake Filter
Filter Holder
Filter Holder










