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Johnson Controls MS2 Installation Bulletin page 2

Two stage electronic control

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Table 1: Wiring
MS Series
Terminal
Wire Color
VO
Brown (+)
SC
Green (common)
S1
White (signal)
Table 2: Rating Table
Rating Category
Horsepower
Full Load Amperes
Locked Rotor Amperes
Inductive (non-motor)
Amperes
Pilot Duty VA
Power supply is 24 VAC.
Terminal VO output is 12-17 VDC.
F
CC Compliance
This equipment has been tested and found to comply
with the limits for a Class A digital device pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference when the equipment is operated in a
commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the
instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in
a residential area is likely to cause harmful
interference, in which case the user will be required to
correct the interference at his/her own expense.
C
anadian DOC Compliance
This digital apparatus does not exceed the Class A
limits for radio noise emissions from digital apparatus
set out in the Radio Interference Regulations of the
Canadian Department of Communications.
D
isplay
Press Up and Down buttons to scroll through process
temperature and binary input status (On or OF). After
15 seconds of inactivity, the display shows the process
temperature.
2
P—MS2 Two Stage Electronic Control Installation Bulletin
P99-1V
HE-6300 or
HE-6310
Terminal
PWR
COM
OUT
120
240
VAC
VAC
1/4
1/2
5.8
4.9
34.8
29.4
8
8
275
450
S
etting Up the Stage Control
To lock/unlock the unit for programming
To run the self test procedure
IMPORTANT: Disconnect loads before beginning self-test
24
VDC
-
To select the mode of operation
-
-
8
-
To change the setpoint (modes b, d, and r only)
Note: If you do not press the Enter button after selecting the new
setpoint, it is not saved. The control reverts to old setpoint.
To program other settings (modes b, d, r only) or to
program setpoints and settings (mode i only)
Note: If you do not press the Enter button after selecting the new
value, it is not saved. The control reverts to the old value.
Press the Enter, Up, and Down buttons
simultaneously and hold until "- - -" is displayed.
Hold for about 10 seconds until the current
condition value is displayed. This toggles the
keypad between locked and unlocked.
procedure. Cycle power to resume normal
operation.
Press the Up and Down buttons in sequence,
and hold for 5 seconds.
1. Press and hold the Enter and Down buttons
simultaneously for approximately 7 seconds.
2. Press the Up or Down button until the desired
setting is shown.
2d =Direct
2r = Reverse
2b = Deadband
2i = Independent Setpoint
3. Press the Enter button to save the new mode
of operation.
1. Hold the Enter button down for 3 seconds.
The display will change to show the setpoint.
2. Press the Up or Down button until you reach
the new setpoint.
3. Press the Enter button to save the new
setpoint.
1. Hold the Enter button down for about
10 seconds. The display will change to HY.
(The display shows S1 if in Mode i.)
2. Press the Up or Down button until the
desired setting is shown.
3. Press the Enter button. The setting's current
value is displayed.
4. Press the Up or Down button until the
desired value is shown.
5. Press the Enter button to save the new
value. After 10 seconds of inactivity, the
display will return to its normal function.

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