Motor connection
See chapter 7.2 (AC motors).
Frequency controller for Plug fans
Also if not supplied by TRANE a frequency converter must be installed to reach the calculated op-
erating point. For details see chapter 7.4 (Variable, frequency-controlled drives (VFD, frequen-
cy converters)).
Connection to an external protective conductor system
See chapter 7.1 (Connecting to an external protective conductor system).
Electric heater
Installation (if not supplied by TRANE) and connection of thermostats for safety shutdown, see
chapter 7.5 (Electric heaters).
Plate heat exchanger
Installation (if not supplied by TRANE) and connection of differential pressure switches to protect
the plate heat exchanger from damage in chapter 7.6 (Differential pressure restriction for plate
heat exchangers).
Siphons
Connecting according to chapter 6.3 (Condensate drain).
Dampers with external gear wheels
According to chapter 5.5 (Dampers with external gear wheels).
Flexible connection
Installations (if not supplied by TRANE) refer to chapter 6.4 (Duct connection).
Frost protection for heat exchangers
Venting, draining of heat exchangers
2.2 Indications for minimizing specific hazards
2.2.1 General indications
An improperly performed maintenance can pose a security risk!
Risk of thin sheets, when working on AHU
During work on AHU (or on parts), there is a substantial risk of cutting with thin
sheets as e.g. roof sheets, fins of heat exchangers, corners and edges - Use per-
sonal protective equipment: wear protective helmet, gloves, safety shoes and long
protective clothing.
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