ACME 924738, Инструкция по установке и обслуживанию, Страница: 15 / 18

Red - 0-10 VDC
Green -
Ground Screw
Symax-i Motor
Select CW or CCW
rotation. Other
dipswitches must
be set to 0-10V,
AN & PWM
X2
X1
CW
X2
AN
CCW
POWER INPUT
LINE SHOULD
MATCH MOTOR
NAMEPLATE
Symax-i Control
Cable - 635160
White - Common
Black
+20V
AN
COM
+10V
Remote Potentiometer
A
Variable
1
2
3
4
5 6
7
8
9
10 1
2
3
4
5 6
7
8
9
10
Speed
B
Potentiometers
mounted up to
100 ft from fan.
This section applies only to Marathon Symax-i Motors. Motor part numbers
924738, 924739, 924740, 924762, 925017, 925018, 925019, 925020.
Mounted Speed Dial** – (See Figure 21) Motor will come with a
prewired control cable and wired to a mounted potentiometer dial
that is used to control the speed of the motor.** Speed B on control
box is not used for single speed selection and will not have a dial.
Remote Speed Dial** – (See Figure 22) When selected with this
option the fan will come with a control cable and quick connect
Molex plug that can be plugged into the Molex plug on the single
speed potentiometer box.*** Speed B on box is not used for single
speed selection and will not have a dial. The motor will shut off
between 0-1.9V.
Two Speed Dial** – (See Figure 23) Motor will come with a prewired
control cable and wired to a mounted dual speed potentiometer
dial that is used to control the speed of the motor.** The supplied
un-mounted toggle switch will select the Low (LO) or High (HI)
speed on the speed controller based on the dial settings. The mo-
tor will shut off between 0-1.9v.
Customer Building Control 0-10 VDC input – (See Figure 24) Cus-
tomer supplies 0-10 VDC input to control motor speed.
The remote speed control location is limited by a maximum wire
length of 100 feet.
** Disconnects (not shown) and Speed Dials are available as
mounted on certain fan models and will be wired to motor as
shown in Figure 21 for more information see descriptions on sub-
mittals for these items weather they are mounted, not mounted or
not available.
*** For extended wiring up to 100 Feet you will need (1) Receptacle
Molex 3 1396-R4 with 3 Pin Female Molex 02-09-1119 and (1) Plug
Molex 3 Pin 1396-P1 with Pin Male Molex 02-09-2118 not provided.
Page 15
FIGURE 21
FIGURE 22