Precision Air Conditioning
SmartCool
TM
– D
Precision Air Conditioning
25
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Installation Data
Refrigerant Handling
Only certified personnel must charge the systems with refrigerant
CAUTION
Personal protective equipment must be worn when handling refrigerants.
Charging Gauges
The refrigerant Schrader connections on the SmartCool units are 5/16” to allow for the
increase working pressures of R410A. Gauges designed for R410A must only be used.
Refrigerant Quality
The system must be charged with clean virgin refrigerant R410A only.
Refrigerant Charge
Weights
The exact refrigerant charge is dependant on site circumstances and operating
temperatures. Pipework runs must be taken into consideration. The refrigerant charge
must be weighed into the system and recorded within your F-Gas record.
RECORD
Record on commissioning sheet provided once completed.
IMPORTANT
It is important that solenoid valves are energised correctly to ensure that the Hot Gas
ReHeat coil is broken of vacuum (the Normally Closed (NC) valve should be energised).
The use of a magnetic coil lifter is recommended.
The valve must also be energised when charging the system with refrigerant.
The solenoid valve head must be put back on the body before unit operation.
Schrader Caps
Schrader caps must be replaced following connection of service gauges to the unit.
Final Leak Test
A final leak test must be carried out following removal of service gauges prior to leaving
site ensuring that the system complies with F-Gas regulations.
Ins
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