York YVAM Start-Up Checklist

Start-up checklist
Customer:
Job name:
Address:
Location:
Phone:
Customer order number:
Johnson Controls telephone number:
Johnson Controls order number:
Johnson Controls contract number:
Chiller model number:
Unit serial number:
The work (as checked below) is in progress
and will be completed by (MM/DD/YYYY):
The following work must be completed in accordance with installation instructions:
A. General
Review the installation checklist, Form 160.88-CL1,
to validate that the actions have been completed.
Attach a completed copy for records.
1. Water connection inlet and outlet are at
correct locations, have hangers nearby
that can support their weight, and show no
visible strain on chiller nozzles.
2. Check for refrigerant or water piping leaks.
Repair as needed.
3. Verify that the chiller is charged with
refrigerant and that the pressures
match refrigerant saturation for ambient
temperature.
4. Verify that the unit isolators are set up in
accordance with 160.88-N1.
5. Verify that the evaporator pressure
transducer isolation valve is open.
6. Verify that the condenser pressure
transducer isolation valves are open.
7. Verify that the compressor suction pressure
transducer is open.
8. Verify that the discharge pressure
transducer (stall transducer) isolation valve
is open.
Model YVAM Start-up Checklist
___________________ /___________________ /___________________
9. Verify that the compressor discharge
isolation valves are open.
10. Verify that the condenser liquid drain line
isolation valve is open.
11. If hot gas is present, verify that the hot gas
bypass line isolation valve is open.
12. Verify that the motor liquid cooling angle
valve from the liquid line at the inlet to the
level control valve is open.
13. Verify that the motor stator liquid cooling
strainer service capped ball valve below the
motor is open.
14. Check the VSD, single point power panel,
UPS panel, waterbox heater panel, and
control panel to ensure that they are free of
foreign material, for example wires, metal
chips, tools, documents. Also check for
signs of water or moisture.
15. Ensure that door gasket seals are sealing
correctly and that incoming power wiring
conduit is caulked
16. Ensure that a jumper is installed on
OptiView™ TB6 terminal 24 to 25.
17. Ensure that the battery disconnect switch
on the power panel is closed so that the
battery can charge. 12.8 VDC is required for
start-up.
Form Number: 160.88-CL2 (922)
Supersedes: 160.88-CL2 (1121)
Issue Date: 2022-09-13