System Start-Up; System Checking Before Start-Up - Trane TTK 509 E Installation Manual

System checking before
start-up
1. Make sure that field connections
comply with electric and refrigerant
diagrams for the equipment.
Always refer to Installation and
User Manuals and Engineering or
Service Bulletins provided with the
indoor units.
2. Check that units are correctly
installed and there is no tool or
debris under or on the units.
• Verify correct refrigerant and electric connections
• Check for strange materials or tools under or on the equipment
• Check for possible leaks at connections
• Check that lines are well isolated
• Check that passages through piping structure are well insulated
• Check that water drains are free
• Insufflation and return grids are free and unobstructed
• Air filters are installed and clean
• Use an inpected thermometer to check if the thermostat is accurate
• Check grounding
• Check for power voltage, fuse/circuit-breaker ratings in amperes
• Check that wire sizes are adequate for the power load
• Check all field wiring for tight connection
• Check that electric wires do not touch refrigerant pipes
• Check if remote control batteries are charged
10
System
Start-Up
3. Check piping and connections for
refrigerant leaks.
4. Check that the unit has a proper
grounding. If there is no grounding at
the site, it is essential to follow
completely this procedure in order to
assure a perfect equipment
operation.
Checking List for Mini-Split Unit Start-Up
5. Check that voltage is within
specified ratings, and check for
proper circuit-breaker/fuse sizes.
6. Check that electrical wiring is as
specified and connections are tight.
Start the system and carefully
observe the operation. Follow all
recommendations in Installation and
User Manuals.
SS-SVN03B-EN