Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 23)

YASKAWA TOEP YAIZ1D01A Z1000U Matrix Bypass Quick Start Procedure
Z1000U Bypass
Quick Start Procedure
Page 23
of 37
Step HOA Key Press Description HOA Display/Result
9.1. 4
OFF
ON
OFF
ON
CORRECTING Motor Rotation (DRIVE)
Follow sub-steps a. thru f. below
to correct motor rotation
direction in DRIVE mode.
a. De-energize/turn OFF
and lock out the MAINS
power supply to the
bypass.
b. Turn off power on the
front of the bypass and
open the cabinet.
c. Verify that there is no
power present in the
bypass.
d. Exchange the wires
connected to terminals
T1 and T2 where the
motor leads are connected
at the motor output circuit.
e. Tighten all connections.
f. Return
to STEP 9.1.1 to
verify proper motor
rotation in DRIVE.
Step HOA Key Press Description HOA Display/Result
9.1. 5 CHECK Motor Rotation (BYPASS)
WARNING! Clear debris, tools, and wire clippings from the bypass
enclosure before applying power.
Remove lock-out/tag-out, and energize the MAINS branch circuit supply to
the bypass.
Re-install all covers and close enclosure doors.
—
9.1.6
OFF
ON ON
OFF
Apply power to the bypass.
9.1.7 Press F2 to toggle to the Bypass Mode.
The keypad display should show BYP–OFF if the device is ready for
Bypass operation. UB-01= 0.0A
Freq Ref (AUTO)
UB-02=10000110
UB-03=00001000
E(G) E(G) IG IG R+ R+ R- R- S+ S+ S- S-
S1 S1 S2 S2 S3 S3 S4 S4 S5 S5 S6 S6 S7 S7 S8 S8 SN SN SC SC SP V+ V+ AC AC A1 A1 A2 A2 A3 A3 FM FM AM AM AC AC 24V 24V RP AC AC
M1 M2 M3 M4 M1 M2 M3 M4 MD ME MF MD ME MF
M MA MB MC MB MC T1 T2 T3
Motor
T1, T2, T3
Reverse
Motor Leads
T1 and T2
Motor
Output
Circuit
DANGER! Shock Hazard.
De-energize and lock-out MAIN
power supply to the bypass
before contacting motor leads.
To motor

Check Motor Rotation Direction (continued)
9
STEP