Engineering manual - SAB 193-233-283 S A-frame (including ATEX)
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008831 en 2020.10
Installation instructions
Connection to safety valve
Piping connections to external safety valves are made according to current legislation in the coun-
try in question.
Connection to economiser
Piping connection to the economiser is made according to the piping diagram applying to the
plant.
7.29 Connecting electricity supply
Data of the electrical components on the unit and their supply is included in chapter 5. Physical
and connection data.
Danger!
Risk of injury to personnel and damage to equipment! Always read the safety precautions belong-
ing to this equipment before start. Failure to comply with safety precautions may cause death or
injury to personnel. It may also cause damage to or destruction of the equipment.
Before connecting, make sure that:
– there is no power on the cables you are about to connect.
– the power cannot be connected accidentally. Lock the switches, or place a sign indicating
that connection is not allowed. All electrical connections must be checked by an
electrician.
Connecting the motor
Installation and connection instructions for the chosen motor type is order specific and delivered
together with the unit by Johnson Controls Denmark. These data sheets include descriptions on
how to connect the motor. Motor data appears from the motor name plate.
Always follow the connecting instructions from the manufacturer.
Remember! Check that the direction of rotation is correct, see subsection 6.10 Direction of
rotation.
Shutdown output
The UniSAB III shutdown output is made in such a way that, under normal conditions, there is a
connection between terminals whereas in a shutdown situation there is no connection between
terminals. The alarm output is supplied by applying max. 230 V to terminal.
Connections to oil pump
Follow the instructions in the UniSAB III manual.
Connections to economiser
Follow the instructions in the UniSAB III manual.
Control without UniSAB III.
If the unit is going to be controlled by a system not delivered by Johnson Controls Denmark, the
connection must be made as described in the schematic control diagrams of the actual control
system.
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