user manual
INSTALLATION (continued)
1 --- 3
Functional Test
The Functional Test consists of t hree checks:
❐ 1 — Manual Operation Test , pages 1–3 through 1–6
❐ 2—VoltageChecks,page1–7
❐ 3 — Electrical Operation, page 1–8
Do these checks in the order presented
to avoid damaging the ATS.
Read all inst ructions on the Wiring Diagram and labels
affixed to the ATS. Note the control features that are
provided and review their operation before proceeding.
Continue to 1–ManualOperationTest starting below.
1 – Manual Operation Test
A detachable operator handle is provided on the transfer
switch fo r mai ntenanc e pur poses only.Manualoperation
of the transfer switch must be checked before it is
operated electrically.
Do not manually operate the transfer switch
until both power sources are disconnected:
open both circuit breakers.
1. Select the appropriate switch design / amp. size and
follow directions for installing and using the handle:
150–1200 amp J, H–designs Fig. 1-3, -4, -6 thru -11.
Attach the manual handle onto the shaft hub, left
side of the operator.
1600 – 3000 amp. G–design See Figures 1-5, 1-12.
Install the hub (with pin
) onto the shaft and inse rt the
manualfirmlyintothesideholeinthehub. Pushin
or pull out hub to engage opposite source contacts.
4000 amp. F–design SeeFigure1-13.
Insert the manual handle into the hole in the weight.
2. Move the handle as shown to manually operate the
Transfer Switch. The switch should operate smooth-
ly without binding. If it does not, check for shippi ng
damage or construction debris. Re peat the manual
operation check on the other Transfer Switch.
3. Return the tran sfer switch to the N (closed on normal)
position. If removable, remove the maintenance
handle and store it on the transfer switch in the place
provided.
window indicators
O is open
C is closed
Emergency contacts
(upper shaft)
Normal contacts
(lower shaft)
contact
position
indicators
(right side)
Figure 1-3. Contact position indicators on
150–600 amp. J–design transfer switches .
Shown with Emergency open and Normal closed.
window indicators
O is open
C is closed
Emergency contacts
(upper shaft)
Normal contacts
(lower shaft)
contact
position
indicators
(right side)
Figure 1-4. Contact position indicators on
800–1200 amp. H–design transfer switches .
Shown with Emergency open and Normal closed.
window
indicators
OPEN or
CLOSED
Emergency
contacts
Normal
contacts
contact
position
indicators
(left side)
Figure 1-5. Contact position indicators on
1600–3000 amp. G–design transfer switches .
Shown with Emergency closed and Normal open.