Main Board Parts Instructions; Sw1; Sw2 Query Instructions; Constraint Cooling - Midea VRF V4 Plus I Series Manual

MCAC-VTSM-2014-04

3. Main board parts instructions

3.1 SW1

Constraint Cooling

Once pressing the constraint cooling button (see the chart on the right), all the indoor unit will be on forced
cooling mode and the wind speed is HIGH.

3.2 SW2 query instructions:

Normal
No. Display content(Current frequency)
display
1 0-- Outdoor unit address
2 1-- Outdoor unit itself capacity
3 2-- Modular outdoor unit Qty
4 3-- Qty. setting of indoor units
5 4-- Total capacity of ODU
6 5-- Total requirement of indoor unit capacity
7 6-- Total requirement of main unit corrected capacity
8 7-- Operation mode
9 8-- This outdoor unit actual operation capacity
10 9-- Speed of fan A
Troubleshooting
R410A DC Inverter V4 Plus 50Hz
Note
0
26,28,30,32
Available for main unit
Available for main unit
Capacity requirements
Available for main unit
Available for main unit
0,2,3,4
Capacity requirement
87