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14.0 CIM Modules (Communication Protocols).
With the addtion of an accessory card the communication functionality of the PHT unit can be extended to
include BACnet or Modbus communications.
The following "Read only" outputs are available.
Fault Outputs available:
Pump 1 Over Current
Pump 1 Under Current
Low Water Alarm
Low Glycol
System 1 Low Pressure
System 1 High Pressure
System 1 Flood Protection
System 1 Excessive Consumption System 2 Excessive Consumption
Data outputs available:
System 1 Pressure
Fig. 14 – CIM Module
Fig. 15 - CIM Module location on main board
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Pump 2 Over Current
Pump 2 Under Current
High Water
Service Required
System 2 Low Pressure
System 2 High Pressure
System 2 Flood Protection
System 2 Pressure
The Grundfos CIM card is static sensitive and should be handled with
care and due consideration for static sensitive devices.
Always follow the instructions in the CIM card Installation and
Operation manual.
Any static damage to the CIM card is not covered under warranty.
Page 42 of 47
GRUNDFOS INSTRUCTIONS
The CIM module is fitted on
the 10 pin header found on
the mainboard.
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