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Manual 35086
ProTech-GII with Math Functions
Woodward
39
Torque range for screws of Screw
Connection Terminal Blocks:
0.22–0.25 N•m (1.95–2.21 lb-in).
Screwdriver blade:
0.4 X 2.5 mm (0.016 X 0.10 inch)
Screwdriver available as
Woodward PN 8992-005
Figure 2-6. Screw Connection Terminal Block
The ProTech-GII control’s terminal blocks are designed to be removed by hand.
With circuit power and trip (interposing) relay controlled power disconnected, all terminal blocks can be
removed, one at a time by unscrewing their terminal-locking screws and pulling them out of their sockets
by hand.
When removing a terminal block, never pull on the wires connected
to the terminal block.
Field wiring access for bulkhead mounted models is through gland plates located on the bottom of the
enclosure. These gland plates allow users to bore multiple and different sized access holes for conduit entry,
as required. Refer to Figure 2-3 for gland plate location and size. For EMI (electromagnetic interference)
reasons, Woodward recommends that all low-voltage field wiring be separated from all high-voltage field wiring
by using separate conduit and conduit entries into the ProTech-GII enclosure. Woodward also recommends
that power wiring be segregated in the same manner, however LV and HV input power may be routed
together.
Field wiring access for panel-mounted models is located on the back of the ProTech-GII enclosure. To allow
proper installation of the unit’s back cover plate, Woodward recommends that all field wiring be routed from the
bottom of the package. The units back cover must be installed. Refer to Figure 2-5 for field wiring access
information. For EMI (electromagnetic interference) reasons, Woodward recommends that all low-voltage field
wiring be separated from all high-voltage field wiring where possible. Woodward also recommends that power
wiring be segregated in the same manner, however LV and HV input power may be routed together.
HIGH VOLTAGE—When wiring to interposing relays, be sure to wire
both contacts with the same polarity. Failure to do so will create a
potential shock hazard, which could cause injury or death.
All input and output wiring must be in accordance with Class I
Division 2 wiring methods, and in accordance with the authority
having jurisdiction.
All peripheral equipment must be suitable for the location in which it
is being used.
Released