Emerson Vilter MicroVission, Руководство по модернизации

Страница: 3 / 20

4
MicroVission Retrofit Instructions • 35391MVRF
2.0 MicroVission Installation Recommendations
These instructions are designed to help you perform the safe removal of your current controller and the instal -
lation the MicroVission controller as replacement.
WARNING
Ensure power/control switches are in the off position
and all power are disconnected. Follow lockout
procedure prior to working on electrical equipment.
Failure to comply may result in serious injury or death.
WARNING
After stopping the compressor, allow the compressor
and surrounding components to cool down prior
to servicing. Failure to comply may result in serious
injury.
WARNING
Use appropriate lifting devices and additional
personnel when lifting heavy components. Ensure
lifting devices are capable of lifting the weight of
the component. Use lifting points (i.e. bolt holes
designated for lifting eye bolts) that are provided
on the component. Failure to comply may result in
serious injury.
2.1 Installation when retrofitting from Viltech, Vantage, or Keypad control panels
Step 1 . Shut Off the 120V power to the control panel and isolate the compressor by shutting Off all service valves and
lock-out per plant procedure. Remove and recover the refrigerant from the compressor so it is at 0 psig.
Step 2 . Disconnect the wiring and remove the control panel and the mounting arms that support the vibration isolators
under the bottom of the panel.
WARNING
When handling microcontroller, use additional
personnel or lifting device as required. Failure to
comply may result in serious injury and/or damage to
equipment.
Step 3 . Install the Mounting Brackets in KT1133A
1
to the current control panel support using the hardware in the kit.
Locate the bottom 7/16” holes on the retrofit bracket and drill thru the panel support. Mount the vibration
isolators (KT1133A1) to the four holes in the retrofit bracket, see Figure 1.
1
List of kits and itemization of components on Table 2 at the end of this guide
.
Figure 1. Kit KT1133A