Johnson Controls York 366-70487 Installation And Maintenance Manual Download Page 17

JOHNSON CONTROLS

17

FORM 160.43-NM4 

ISSUE DATE: 11/12/2012

SECTION 4 - PRODUCT SPECIFICATIONS

Storage Temperature:

  -65 to 160°F 

Ambient Temperature Limits:

  -40 to 160° F  

Set Point Repeatability:

   ±1% of range span (±0.71 

in. Hg., ±0.35 psi) 

Shock:  

Set point repeats after 15G, 10 ms duration 

Vibration:

  Set point repeats after 2.5G, 5-500 cps 

Enclosure Classification:

  NEMA 1 

Switch Output:

   One SPDT switch with adjustable 

deadband

Switch Electrical  

Connections:

   (3) #8-32 Screw Terminals

Electrical Rating:

  15A 125/250/480 VAC resistive

Enclosure Material:

  Lexan cover black finish

Enclosure Electrical  

Connection:

   7/8 inch diameter hole 

Pressure Connection:

   1/4 inch NPT (female)  

nickel-plated brass

Wetted Materials:

   Brass bellows and zinc-plated 

steel spring

Weight:

  Approx. 1 lb

Approvals:

  UNITED STATES AND CANADA

 

UL Listed, cUL Certified

 

 Pressure: UL 508, CSA C22.2 No. 14, 

Files # E42272

 EUROPE

 

CE Approved

 

 Low Voltage Directive (LVD)  

(73/23/ED and 93/68/EEC)

 

Compliant to LVD

 

 Pressure Equipment Directive (PED) 

(97/23/EC)

 

Compliant to PED

TABLE 2 - 

PRESSURE APPLICATION CHART

ADJUSTABLE  

SET POINT RANGE

Low End Of Range On Fall; 

High End Of Range On Rise

DEADBAND

OVER RANGE PRESSURE*

PROOF PRESSURE**

30 in. Hg Vac. to 20 Psig

2.00  

to  

5.00 in. Hg.

20 psig

25 psig

  *  Over Range Pressure - The Maximum pressure that may be applied continuously without causing damage and  

maintaining set point repeatability.

**  Proof Pressure - The maximum pressure to which a pressure sensor may be occasionally subjected,  

which causes no permanent damage. The unit may require calibration.

Summary of Contents for York 366-70487

Page 1: ...RS STYLE B AND C CONTROL CENTERS 366 70488 366 70487 AND 366 73582 LOW PRESSURE CUTOUT CONTROL P N 025 45742 000 INSTALLATION AND MAINTENANCE Supersedes 160 43 NM4 1206 Form 160 43 NM4 1112 035 21593...

Page 2: ...als This individual shall also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are used i...

Page 3: ...icy for con tinuous product improvement the information con tained in this document is subject to change without notice Johnson Controls makes no commitment to update or provide current information au...

Page 4: ...JOHNSON CONTROLS 4 FORM 160 43 NM4 ISSUE DATE 11 12 2012 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 5: ...ting 025 45742 LPCO Control 9 Pressure Connection Piping 10 Wiring 11 SECTION 3 TESTING AND ADJUSTMENTS 13 Tools Needed 13 Secure Chiller From Operation 13 Connect LPCO Pressure Connection To A Calibr...

Page 6: ...JOHNSON CONTROLS 6 FORM 160 43 NM4 ISSUE DATE 11 12 2012 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 7: ...tments LPCO controls 025 45742 are vacuum switches which are negative gauge pressure controls that operate at a predetermined constant pressure below atmospheric This means that the absolute pressure...

Page 8: ...At atmospheric pressure the switch contacts are made between the Common and Normally Open terminals and open between the Common and Normally Closed terminals As the pressure falls below the control C...

Page 9: ...rated in a vertical position with the switch up and pressure con nection down The controls are surface mounted using two mounting ears with holes for 10 screws on either side of the control bracket pl...

Page 10: ...o pressure connection tight enough to ensure a leak free seal 2 Installing kit supplied Capillary Tube 48 in YORK p n 026 45010 000 a Ensure 1 4 in flare mating surfaces are clean and free of debris o...

Page 11: ...itch bracket Refer to Figure 3 The three switch terminals are clearly labeled COM MON NORMALLY OPEN and NORMALLY CLOSED Refer to Figures 3 and 4 1 Remove enclosure cover first by removing the one capt...

Page 12: ...res 1 3 and 4 and ECC Wiring Diagram 8 Use kit supplied wire tie wraps YORK p n 025 09607 000 to bundle and or secure LPCO control wires numbered 47 48 and 49 as needed 9 Reinstall enclosure cover sec...

Page 13: ...flare half union fitting at the LPCO control pressure con nection 2 Using clean 1 4 in refrigerant hoses connect a controllable vacuum source in series to a digital vacuum gauge and to the 1 4 in ext...

Page 14: ...7 Repeat steps 4 5 and 6 until the noted CUT OUT setpoint is within the allowable range 8 Once the CUTOUT set point is verified or cali brated then proceed to the switch DEADBAND calibration procedur...

Page 15: ...k free seal 4 Disconnect the Ohm meter from the switch Com mon and Normally Open terminals 5 Connect the wire numbered 47 to the 025 45742 LPCO control switch terminal labeled as COM MON Refer to Figu...

Page 16: ...JOHNSON CONTROLS 16 FORM 160 43 NM4 ISSUE DATE 11 12 2012 Section 3 Testing and Adjustments THIS PAGE INTENTIONALLY LEFT BLANK...

Page 17: ...plated brass Wetted Materials Brass bellows and zinc plated steel spring Weight Approx 1 lb Approvals UNITED STATES AND CANADA UL Listed cUL Certified Pressure UL 508 CSA C22 2 No 14 Files E42272 EUR...

Page 18: ...USA 17405 1592 800 861 1001 Subject to change without notice Printed in USA Copyright by Johnson Controls 2012 www johnsoncontrols com ALL RIGHTS RESERVED Form 160 43 NM4 1112 Issue Date November 12 2...

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