TRENDnet Series 300 Switch User Manual


 
INSTALLATION (continued)
1-- 5
PressuntillightFLASHES
Pressfor15Seconds
Florh am Park NJ 07932 U SA
TRANSFER SWITCH TEST BYPASS TIMEDELAY SETENGINEEXERCISER
observe these lights
pressthisbutton
Figure 1–6. Standard controls and indicators.
3 Electrical Operation
First check nameplate on transfer switch; rated voltage
mustbethesameasnormalandemergencylinevoltages.
Verify that the feeders have been
connected to the proper lugs.
!
Use extreme caution when using a meter
to measure voltages in the following
steps. Do not touch power terminals;
sh oc k , burn s , or death cou ld res u lt !
Perform steps 1 through 8 at the right. Observe the stat us
lights. See Figure 1–6.
Black circle means light is on.
White circle means light is off .
NOTE: IfMotorLoadTransferfeatureis
activated, then transfer may not occur
immediately after the respective time
delays. Transfer will only occur when the
phase relationship between sources is
correct.
This c om p l etes the Function al Test of the AS CO Ser ies 3 00
Autom atic Transfer Switch . Leave the engine–generator
starting control in the automatic position.
1
The normal source must be
available and the generator
must be ready to start.
Check that the Normal Source
Available light is on.
2
Press and hold the Transfer
Switch Test button until the
engine starts and runs. This
should happen within 15 sec.
TRANSFER SWITCH TEST
3
The Emergency Source
Available light should come on.
4
The transfer switch should
transfer to the Emergency
position. The Load Connected
to Emergency light should come
on and the Load Connected to
Normal light should go off.
5
If the transfer to emergency
delay is used the transfer
should occurs after a time delay
(up to 5 minutes).
Forimmediatetransferpress
the Bypass Time Delay button.
BYPASS TIME DELAY
6
The transfer switch should
transfer back to the Normal
position. The Load Connected
to Normal light should come on
and the Load Connected to
Emergency light should go off.
7
If the retransfer to normal delay
is used the retransfer should
occur after a time delay
(up to 30 minutes).
Forimmediateretransferpress
the Bypass Time Delay button.
BYPASS TIME DELAY
8
The unloaded running delay
keeps the generator running for
5 minutes (cool–down period).
Then the generator should stop
and the Emergency Source
Available light should go off.