Cov lus qhia

Use FWD/REV/S1/S2 inputs to set desired drive function (1=on,0=off)

0000 = STOP

1100 = START, 1ST SPEED

Value is P503

1110 = START, 2ND SPEED

Value is P503+P504

1111 = START, 3RD SPEED

Value is P503+P504+P505

NOTE! If the AHU is equipped with more than 1 fan, follow Figure 2b for proper cabling.

4. AHU WITH VTS CONTROLS TYPE: VS … CG ACX36 EVO … or VS … CG uPC …

- Set additional parameters:

Parameter

Code

Value

Comments

Main frequency source X

selection

P101

5: RS485 communication

frequency setting