Emerson Unidrive M400 - VFD Keypad; Electronic Bypass Keypad; Electronic Bypass Keypad Layout

Electronic Bypass Controller Installation and Commissioning Guide 17
The photo below shows the respective keypad locations.
VFD Keypad
Electronic Bypass Keypad
3.1.1 VFD Keypad
The keypad on the VFD is primarily used for speed control in Hand Mode and
monitoring purposes as limited programming is required to operate the electronic
bypass.
See the “HVAC Drive H300 Installation & Commissioning Guide”,
“Unidrive M200/M201 User Guide” or the “Unidrive M400 User Guide”
for detailed programming information.
3.1.2 Electronic Bypass Keypad
Operation of the electronic bypass package is controlled by the electronic bypass
keypad located on the door of the lower enclosure.
3.1.3 Electronic Bypass Keypad Layout
There are four (4) main sections of the electronic bypass keypad:
1. System status LEDs
2. HAND / OFF / AUTO buttons
3. TEST / VFD /BYPASS buttons
4. Alarm LED display