S688A
NOTE: Although it is not recommended, if the two-cell air
cleaner must be mounted horizontally with the power
supply on the Wtom, the sail switch must be installed at
a 45 degree angle
Ilom
vertical, see Fig. 8.
Fig. 8-Mount sail switch on back of power
supply.
NOTE: IF AIR CLEANER IS MOUNTED HORIZONTALLY WITH THE POWER
SUPPLY ON
BOITOM, THE SAIL SWITCH MUST BE MOUNTED AT
A 45 DEGREE ANGLE FROM VERTICAL.
M3011
6.
Make
wiringcomectionstotheN.C.
(norrnallyclosed)
and COM (common) screw terminals in the sail switch.
7. Replace sail switch cover.
iNSTALLATION
“
OPERATiON AND CHECKOUT
WIRING
A
1
●
CAUTION
ELECTRIC SHOCK HAZARD.
CAN CAUSE ELECTRICAL SHOCK OR
EQUIPMENT DAMAGE.
Disconnect power supply before wiring.
All wiring must comply with
local
electrical codes and
ordinances. When controlling more than one device, make
certain that the total
elect.ricaiload
does not exceed the switch
rating (see Specifications).
Typical wiring
hcmkups
that have the switching action at
the sail switch are shown in Fig.
9.
Normally open and
normally closed refer
to
the contacts when the switch is in the
de-energized position.
Fig. 9—Typicsl wiring hookups using sail
switch to energize electronic air cleaner.
EAC
WHITE
➤
i
m
SSSBA
L1
COM.
N.O.
N.C.
(HOTI
BLACK
A
~
POWER SUPPLY- F’ROVIDEOVERLOAD F’ROTECTIONAND
DISCONNECT MEANS AS REQUIRED.
~
TERMINAL DESIGNATIONSARE FOR POWER OFF:
N.O.
-
NORMALLY OPEN,
N.C.
- NORMALLY CLOSED, COM.-
COMMON.
M34113
Operation and Checkout
OPERATION
The
sail switch has a spdt switch, which permits different
fpm, the
normally
open contacts
break, turning off the
hookups for controlling auxiliary equipment in a
heating-
auxiliary equipment. The hookup in Fig. 10 shows a system
cooling system. The hookups in Figs. 9 and 10, show systems
where auxiliary equipment operates when the system fan is
where the controlled equipment operates only when the
off.when
the fan produces 250fpm air velocity, the normally
system fan operates. When the fan produces 250 fpm air
closed contacts break, turning off the auxiliary equipment.
When the air velocity decreases to 75 fpm, the normally
velocity, the normally open contacts make, turning on the
auxiliary equipment. When the air velocity decreases to 75
closed contacts make, turning on the auxiliary equipment.
5
60-2103-3
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