Download Print this page
Johnson Controls CVWSEK-240BK/DP Installation Operation & Maintenance
Johnson Controls CVWSEK-240BK/DP Installation Operation & Maintenance

Johnson Controls CVWSEK-240BK/DP Installation Operation & Maintenance

Water-cooled self-contained units, waterside economizer for csv240b left-hand vertical r-410a style b

Advertisement

Quick Links

WATER-COOLED SELF-CONTAINED UNITS
INSTALLATION, OPERATION,
Supersedes: 145.15-IOM4 (514)
Form 145.15-IOM4 (817)
& MAINTENANCE
MODEL CVWSEK-240BK/DP WATERSIDE ECONOMIZER
FOR CSV240B LEFT-HAND VERTICAL R-410A
STYLE B
R-410A
Issue Date:
August 10, 2017

Advertisement

loading
Need help?

Need help?

Do you have a question about the CVWSEK-240BK/DP and is the answer not in the manual?

Questions and answers

Summary of Contents for Johnson Controls CVWSEK-240BK/DP

  • Page 1 WATER-COOLED SELF-CONTAINED UNITS INSTALLATION, OPERATION, Supersedes: 145.15-IOM4 (514) Form 145.15-IOM4 (817) & MAINTENANCE MODEL CVWSEK-240BK/DP WATERSIDE ECONOMIZER FOR CSV240B LEFT-HAND VERTICAL R-410A STYLE B R-410A Issue Date: August 10, 2017...
  • Page 2 IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDLINES This equipment is a relatively complicated apparatus. which it is situated, as well as sever personal injury or During installation, operation, maintenance or service, death to themselves and people at the site. individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, oils, This document is intended for use by owner-authorized materials under pressure, rotating components, and...
  • Page 3 All wiring must be in accordance with published specifications and must be performed ONLY by qualified service personnel. Johnson Controls will not be responsible for damages/problems resulting from improper connections to the controls or application of improper control signals. Failure to follow this will void the manufacturers’ warranty and cause serious damage to property or injury to persons.
  • Page 4 ECONOMIZER COIL INSTALLATION 1) Position the drain pan using bent down lip of the drain pan according to illustration. Make sure the drain pan is level, do not force it. Push the drain pan against the unit; the pan assembly is designed to rest on the heads of the corner post screws.
  • Page 5 DRAIN PAN DRAIN PAN SUPPORT ANGLE LEFT HAND COIL RIGHT HAND COIL BRACKET BRACKET...
  • Page 6 BASIC KIT INSTRUCTIONS LH WATERSIDE ECONOMIZER PIPING AND VALVE INSTALLATION: 1) Refer to the accompanying illustrations for recommended piping and valve mounting layout. The piping layout may be varied from that illustrated, to suit on-site conditions or requirements, provided that the correct water flow arrangement is maintained.
  • Page 8 DELUXE KIT INSTRUCTIONS WATERSIDE ECONOMIZER PIPING AND VALVE INSTALLATION: 1) Refer to the accompanying illustrations for recommended piping and valve mounting layout. The piping layout may be varied from that illustrated, to suit on-site conditions or requirements, provided that the correct water flow arrangement is maintained.
  • Page 9 Piping Parts Supplied in DELUXE KIT Part # Description CLR-218 ELBOW - 2-1/8" LG RADIUS 90DEG CxC CST-218 ELBOW -STREET 2-1/8" 90DEG CxF CPA-21820M 2-1/8 ODS X 2" MPT ADAPTER CPT-218 COPPER TEE - 2-1/8" CxCxC RTL-200 3-5/8" PLUMBING TUBING - 2" NOM, TYPE L RTL-200 8-1/8"...
  • Page 10 ASSEMBLY A ASSEMBLY B...
  • Page 11 ASSEMBLY C ASSEMBLY D...
  • Page 12 CONTROL PANEL INSTALLATION - WATERSIDE ECONOMIZER Each Waterside Economizer is shipped with a pre-wired Water Temperature Control / Compressor Staging Panel. The panel is complete with a pre-terminated wiring harness, for connection to the economizer plug on the microprocessor control board of the water-cooled unit. Installing Temperature Control Panel 1) The Temperature Control Panel fixture is intended for mounting on the wide condenser clamp rail, supplied with the economizer kit (see photo below).
  • Page 13 Temperature Control / Compressor Staging Panel WSE Control Harness Route Harness Wires over Insulated Suction Piping Back of Main Electrical Panel...
  • Page 14 When water temperatures are suitable for economizing, the control circuit will engage a JOHNSON CONTROLS M9106 actuator motor; driving a 3-way diverting valve. The actuator motor power supply is 24vac, connected to the motor for 2-postion control logic.
  • Page 15 Scenario C At an entering water temperature of 55 F or less, and with first and second stage cooling being called by the thermostat (Y1 and Y2), economizer and mechanical cooling will both be active. Scenario D At an entering water temperature of 45 F or less, and with a call for first stage cooling present from the thermostat (Y1), economizer will be activated and both compressors will be locked-out.
  • Page 16 FACTORY DEFAULT SETTING 1. SENSOR 2. OUTR 3. OUTR 4. OUTR 5. OUTR Sn-1: °F SENS :--- SENS :--- Sn-2: --- Sn-3: --- OFFS OFFT OFFT :OFF :OFF SENS :Sn-1 SENS :Sn-1...
  • Page 17 Appendix I. 3-Way Waterside Economizer Diverting Valve Adjustment Changing the Common Port from port C to port A The Common Port of valve can be changed from port C to port A if it is necessary. This is accomplished as follows: Remove the handle from the shaft and set it aside.
  • Page 18 Actuator box Handle Mounting plate Coupler Set Screw Stem Wing nut Port C Port A The Common Port Valve Body Port B Johnson Control 3-way valve shipped position Remove the handle from the shaft...
  • Page 19 Remove the actuator box from the mounting plate Remove the stem assemble and mounting plate Port C Port A The Common Port Port B Mounting plate rotated 180º...
  • Page 20 Port A Port C The Common Port Port B Rotate the stem counter-clockwise (CCW) 90º Port A Port C The Common Port Port B Adjusted Valve...
  • Page 21 Appendix II. System 450 Control Model C450CCN-3C Quick Set-Up Instruction Sheet (Refer to System 450 Series Control Models with Relay Outputs Installation Instruction for Full Details) CONTROL FUNCTION & DISPLAY/BUTTONS 1. A System 450 control module has one to three control sensor inputs, and one to ten outputs that provide On/Off control and /or analog control.
  • Page 22 P.O. Box 1592, York, Pennsylvania USA 17405-1592 800-861-1001 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2017 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 145.15-IOM4 (817) Issue Date: August 10, 2017 Supersedes: 145.15-IOM4 (514)