MS1 One Stage Electronic Control

Вид документа	Інструкція з монтажу
Виробник	JCI
Код документа	ms1-one-stage-electronic-control
Група обладнання	MS1 Single-Stage Temperature Control
Сторінок	4
Мова документа	англійська
Розмір файлу	0.2 МБ

Текст документа

FANs 125, 121
Pressure Controls Section P
Installation Bulletin
Issue Date 1199

INSTALLATION BULLETIN

MS1 One Stage Electronic Control

W iring
IMPORTANT: All MS1 controls are designed for
use only as operating controls.
! WARNING: Risk of Electrical Shock.
Where an operating control Disconnect power supply before
failure would result in personal making electrical connections to
injury or loss of property, it is the avoid possible electrical shock or
responsibility of the installer to equipment damage.
add devices (safety, limit
controls) or systems (alarm,
supervisory systems) that protect Follow these wiring guidelines:
against, or warn of, control
failure. • All wiring must conform to the National Electric
Code and local regulations.
• Make all wiring connections using adequate gauge
Refer to the MS Series Multi-Stage Electronic Controls copper conductors only. Connectors are rated for
Product Bulletin, LIT-125502, for necessary 14-22 AWG wiring.
information on operation and performance Alarm
Sensor +
specifications for this product. Sensor
Common -

M ounting
V0 S1 SC A+ A-

Internal
to Control
The MS1 control is not position-sensitive but should be
mounted for convenient wiring and adjustment. V1 V2 C1 ➀
To mount the MS1 DIN Rail Mount version, install the Terminal
DIN rail where appropriate. Snap the control onto the Not Used
rail in position. Power Stage ➀
Supply
Refer to Rating Table for more information.

Figure 1: MS1 DIN Rail Mount Wiring

© 1999 Johnson Controls, Inc. 1
Part No. 24-7664-1806, Rev. A www.johnsoncontrols.com
Code No. LIT-125503
S etting Up the Stage Control
Table 1: Control and Sensor Wiring To lock/unlock the unit for programming
Press the Enter, Up, and Down buttons in
MS Series P99-1V HE-6300 or
sequence and hold until “- - -” is displayed. Hold
Terminal Wire Color HE-6310 for about 10 seconds until the current condition
Terminal value is displayed. This toggles the keypad
between locked and unlocked.
VO Brown PWR
SC Green COM To run the self test procedure
S1 White OUT IMPORTANT: Disconnect loads before beginning self-test
procedure. Cycle power to resume normal
operation.

Table 2: Rating Table Press the Up and Down buttons in sequence,
and hold for 5 seconds.
Rating Category 120 240 24
VAC VAC VDC
To select the mode of operation
Horsepower 1/4 1/2 - 1. Press and hold the Enter and Down buttons
Full Load Amperes 5.8 4.9 - simultaneously for approximately 7 seconds.

Locked Rotor Amperes 34.8 29.4 -
2. Press the Up or Down button until the
Inductive (non-motor) 8 8 8 desired setting is shown.
Amperes
1d = Direct 1r = Reverse
Pilot Duty VA 275 450 -
3. Press the Enter button to save the new mode
Alarm circuit is 40 VDC, 100 mA maximum. of operation.
Alarm requires separate power source.
Power supply is 24 VAC. To change the setpoint
Terminal VO output is 12-17 VDC. 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.
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 values
1. Hold the Enter button down for about
10 seconds. The display will change to HY.

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.
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.

2 P—MS1 One Stage Electronic Control Installation Bulletin
Table 3: Functions and Settings
Mode 1d = Direct 1r = Reverse 1d
Setting Description Setting Range Default

SI Setpoint d, r, relay cut-off point 0 to 99 —
HY Differential (Hysteresis) Difference relative to setpoint or offset at 1 to 9 5
which the load is switched On or Off
LL Low Setpoint Stop Lower limit of end-user setpoint adjustment 0 to HL 99
HL High Setpoint Stop Upper limit of end-user setpoint adjustment LL to 99 90
Cc Anti-short Cycle Timer, Time delay between equipment On cycles for 0 to 9 minutes 2
Direct direct stages
CH Anti-short Cycle Timer, Time delay between equipment On cycles for 0 to 9 minutes 0
Reverse reverse stages
rt Soft Start Rate at which condition approaches setpoint 0 to 99 minutes/(% or psi) 10
AH High Condition Alarm High condition alarm On, value relative to 0 to 50 above setpoint 15
setpoint
AL Low Condition Alarm Low condition alarm On, value relative to -50 to 0 below setpoint -15
setpoint
Ad Alarm Differential Condition difference relative to high and low 1 to 9 5
alarms at which alarm output is switched Off
At Alarm Time Delay Delay between alarm detection and activation 0 to 99 minutes 15
So Sensor Offset Compensates for long sensor leads or sensor -20 to +20 0
location
Lr Low Range Analog Input Adjusted condition value when sensor input -40 to Hr 0
is 0.0 VDC
Hr High Range Analog Input Adjusted condition value when sensor input Lr to 99 99
is 10.0 VDC
PU Display Refresh Rate Time delay between display refreshes 1 to 99 seconds 1

R epair and Replacement F CC Compliance
Field repair must not be made. In case of defective or This equipment has been tested and found to comply
improperly functioning control, contact your nearest with the limits for a Class A digital device pursuant to
authorized Johnson Controls/PENN distributor. When Part 15 of the FCC Rules. These limits are designed to
requesting a replacement, refer to the model number provide reasonable protection against harmful
found on the data plate of the control. interference when the equipment is operated in a
commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if
C anadian DOC Compliance not installed and used in accordance with the
instruction manual, may cause harmful interference to
This digital apparatus does not exceed the Class A radio communications. Operation of this equipment in
limits for radio noise emissions from digital apparatus a residential area is likely to cause harmful
set out in the Radio Interference Regulations of the interference, in which case the user will be required to
Canadian Department of Communications. correct the interference at his/her own expense.

P—MS1 One Stage Electronic Control Installation Bulletin 3
F ault/Alarm Codes
Table 4: Fault/Alarm and Status Codes
Error Code (Flashing on Display) System Status

EE Program failure; control must be replaced. Alarm message displays, other outputs off.
FI Indicates an open or shorted sensor. Alarm message displays. Correct problem and cycle power to
reset.
HI Condition has reached or exceeded Alarm message displays. Correct condition to reset.
(setpoint + AH).
LO Condition has reached or fallen below Alarm message displays. Correct condition to reset.
(setpoint - AL).

O rdering Information
Table 5: Specifications
Power Requirements 3.7 VA @ 24 VAC, 50/60 Hz, Class 2 (20-30 VAC)
o o
Ambient Conditions Operating: +14 to +140 F (-10 to +60 C); 0 to 95% RH (non-condensing)
o o
Storage: -22 to +176 F (-30 to +80 C); 0 to 95% RH (non-condensing)
Agency Listings UL Recognized: File E194024, CCN XAPX2
Canadian UL Recognized: File E194024, CCN XAPX8
FCC Compliant per Class A Digital Device, Part 15
Canadian DOC Compliant per Class A, Radio Interference Regulations

Table 6: Ordering Information
Item Code Description
MS1DR24V-11C MS1 DIN Rail Mount Control; 0-10 VDC input; sensor sold separately
HE-6300 Series Humidity Sensor, Wall Mount, 0-100% RH
HE-6310 Series Humidity Sensor, Duct Mount, 0-100% RH
P99V-1C P99 Pressure Transducer, 0-100 psi
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult Johnson Controls/Penn Refrigeration Application Engineering at (414) 274-5535. Johnson Controls, Inc. shall not be
liable for damages resulting from misapplication or misuse of its products.

Controls Group
507 E. Michigan Street
P.O. Box 423 Printed in U.S.A.
Milwaukee, WI 53201 www.johnsoncontrols.com.

4 P—MS1 One Stage Electronic Control Installation Bulletin

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