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MANUAL OPERATION
Do NOT manually transfer under load.
Disconnect transfer switch from all power
sources by approved means, such as a main
circuit breaker(s).
A manual HANDLE is shipped with the transfer switch. Manual opera-
tion must be checked BEFORE the transfer switch is operated electri-
cally. To check manual operation, proceed as follows:
1.
Put the generator into the OFF mode.
2.
Turn OFF both UTILITY and EMERGENCY power supplies to
the transfer switch, with whatever means provided (such as the
main line circuit breakers).
3.
Note position of transfer mechanism main contacts by observing
the moveable contact carrier arm.
• Manual operation handle towards the top of switch mechanism
- LOAD terminals (T1, T2) are connected to utility terminals (N1,
N2).
• Manual operation handle towards the bottom of switch mecha-
nism - LOAD terminals (T1, T2) are connected to emergency
terminals (E1, E2).
Do not use excessive force when operating the
transfer switch manually or damage could be
done to the manual handle.
CLOSE TO NORMAL SOURCE SIDE
Before proceeding, verify the position of the switch by observing the
position of manual operation handle. If the handle is UP, the contacts
are closed in the NORMAL position, no further action is required. If
the handle is DOWN, proceed with Step 1.
Step 1: With the handle inserted into the actuating shaft, move handle
UP. Be sure to hold on to the handle as it will move quickly
after the center of travel.
CLOSE TO EMERGENCY SOURCE SIDE
Before proceeding, verify the position of the switch by observing the
position of the manual operation handle. If the handle is DOWN, the
contacts are closed in the EMERGENCY (STANDBY) position. No
further action is required. If the handle is UP, proceed with Step 1.
Step 1: With the handle inserted into the actuating shaft, move the
handle DOWN. Be sure to hold on to the handle as it will
move quickly after the center of travel.
RETURN TO NORMAL SOURCE SIDE
Manually actuate switch to return manual operating handle to the UP
position.
Residential Transfer Switch Installation Guide
VOLTAGE CHECKS
1.
Turn ON the UTILITY power supply to the transfer switch with
whatever means provided (such as the UTILITY main line circuit
breaker).
PROCEED WITH CAUTION. THE TRANSFER
SWITCH IS NOW ELECTRICALLY HOT.
CONTACT WITH LIVE TERMINALS RESULTS
IN EXTREMELY HAZARDOUS AND POSSIBLY
FATAL ELECTRICAL SHOCK.
2.
With an accurate AC voltmeter, check for correct voltage.
Single-phase utility supply:
Measure across ATS terminal lugs N1 and N2. Also check N1 to
NEUTRAL and N2 to NEUTRAL.
3.
When certain that UTILITY supply voltage is correct and compat-
ible with transfer switch ratings, turn OFF the UTILITY supply to
the transfer switch.
4.
Set the generator to the MANUAL mode. The generator should
crank and start.
5.
Let the generator stabilize and warm up at no-load for at least
five minutes.
6.
Set the generator's main circuit breaker (CB1) to its ON or
CLOSED position.
PROCEED WITH CAUTION. GENERATOR
OUTPUT VOLTAGE IS NOW BEING DELIVERED
TO TRANSFER SWITCH TERMINALS.
CONTACT WITH LIVE TERMINALS RESULTS
IN EXTREMELY DANGEROUS AND POSSIBLY
FATAL ELECTRICAL SHOCK.
7.
With an accurate AC voltmeter and frequency meter, check the
no-load, voltage and frequency.
Single-phase generator supply:
Measure across ATS terminal lugs E1 to E2. Also check E1 to
NEUTRAL and E2 to NEUTRAL.
a. Frequency .............................................. 60-62 Hertz
b. Terminals E1 to E2 ................................ 240-246 VAC
c. Terminals E1 to NEUTRAL .................... 120-123 VAC
d. Terminals E2 to NEUTRAL .................... 120-123 VAC
8.
Set the generator's main circuit breaker (CB1) to its OFF or
OPEN position.
9.
Set the generator to the OFF mode to shut down the generator.
Do NOT proceed until generator AC output voltage and frequen-
cy are correct and within stated limits. If the no-load voltage is
correct but no-load frequency is incorrect, the engine governed
speed probably requires adjustment. If no-load frequency is
correct but voltage is not, the voltage regulator may require
adjustment.
NOTE:
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