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R-410A

Issue Date: 

August 10, 2017

MODEL CVWSEK-240BK/DP WATERSIDE ECONOMIZER

FOR CSV240B LEFT-HAND VERTICAL R-410A

STYLE B

WATER-COOLED SELF-CONTAINED UNITS

INSTALLATION, OPERATION,  

& MAINTENANCE

Supersedes: 145.15-IOM4 (514)

Form 145.15-IOM4 (817)

Summary of Contents for CVWSEK-240BK/DP

Page 1: ...August 10 2017 MODEL CVWSEK 240BK DP WATERSIDE ECONOMIZER FOR CSV240B LEFT HAND VERTICAL R 410A STYLE B WATER COOLED SELF CONTAINED UNITS INSTALLATION OPERATION MAINTENANCE Supersedes 145 15 IOM4 514 Form 145 15 IOM4 817 ...

Page 2: ...uthorized operating service personnel It is expected that this individual possesses independent training that will en able them to perform their assigned tasks properly and safely It is essential that prior to performing any task on this equipment this individual shall have read and understood this document and any referenced materials This individual shall also be familiar with and comply with al...

Page 3: ...to property or injury to persons TABLE OF CONTENTS 4 Economizer Coil Installation 6 Economizer Piping Valve Installation 12 Temperature Control Panel Installation 14 Unit Schematic Diagram 14 WSE Harness Connections 14 Sequence of Operation 17 Appendix I 3 Way Waterside Economizer Diverting Valve Adjustment 21 Appendix II System 450 control model C450CCN 3C quick set up instruction PRIOR TO INSTAL...

Page 4: ... the drain pan 3 Center the U shaped Top Filler between the WSE Coil Brackets then align Top Filler with Unit Top The longer flange one with pre punched holes must face Unit Top front flange Using supplied self drilling screws attach Top Filler to Unit Top 4 Carefully lift the WSE coil and place it inside of the drain pan coil connections facing left side of the unit see illustration Push the WSE ...

Page 5: ...5 LEFT HAND COIL BRACKET RIGHT HAND COIL BRACKET DRAIN PAN DRAIN PAN SUPPORT ANGLE ...

Page 6: ... Tack all tubes in place before soldering to ensure proper fit up 6 Pressure test the completed piping assembly with nitrogen Test pressure should at least equal the working water supply pressure to the unit Maximum pressure rating for the 3 way diverting valve is 580 psig 7 Locate the remote electronic temperature sensor it will be attached to the Temperature Control Panel assembly The sensor mus...

Page 7: ...7 ...

Page 8: ... body Torque should not exceed 75 ft lb 5 Assemble the tubing and fittings into the correct arrangement as shown Tack all tubes in place before soldering to ensure proper fit up 6 Pressure test the completed piping assembly with nitrogen Test pressure should at least equal the working water supply pressure to the unit NOTE Maximum pressure rating for the 3 way diverting valve is 580 psig 7 Locate ...

Page 9: ...PTER CPT 218 1 COPPER TEE 2 1 8 CxCxC RTL 200 3 5 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 8 1 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 8 1 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 8 1 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 6 5 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 13 PLUMBING TUBING 2 NOM TYPE L RTL 200 14 7 8 PLUMBING TUBING 2 NOM TYPE L RTL 200 56 PLUMBING TUBING 2 NOM TYPE L ...

Page 10: ...10 ASSEMBLY A ASSEMBLY B ...

Page 11: ...11 ASSEMBLY D ASSEMBLY C ...

Page 12: ... connect the G OUT wire lead to corresponding colored harness wire Gray Red Using the provided tab adapter create a dual connection on the C Common tab on the microprocessor board and connect the White harness wire to this dual connection at C See table below for connecting the harness wires to the corresponding economizer plug connection leads and Common tab on the Microprocessor Board See wiring...

Page 13: ...13 Temperature Control Compressor Staging Panel WSE Control Harness Back of Main Electrical Panel Route Harness Wires over Insulated Suction Piping ...

Page 14: ... way diverting valve The actuator motor power supply is 24vac connected to the motor for 2 postion control logic The control set point for the economizing cycle is user adjustable The recommended operating set point is 55o F Entering Water Temperatures higher than this value i e 60o F will provide only marginal cooling benefit from the economizing coil near continuous operation of the compressor c...

Page 15: ...m with compressors 1 and 2 as long a call for second stage cooling is active from the thermostat Y2 Dual Compressor Unit Sequence of Operation Scenario Y1 Y2 Entering Water Temp COMP 1 COMP 2 Water Flow Economizer A ON OFF Greater Than 55o F ON OFF Condenser Only OFF B ON OFF 55o F Or Less ON OFF Cond and Econo Coil ON C ON ON 55o F Or Less ON ON Cond and Econo Coil ON D ON OFF 45o F Or Less OFF O...

Page 16: ...RY DEFAULT SETTING 1 SENSOR 2 OUTR 1 3 OUTR 2 4 OUTR 3 5 OUTR 4 Sn 1 F ON 1 55 ON 2 45 SENS 3 SENS 4 Sn 2 OFF1 50 OFF 2 40 Sn 3 ONT1 0 ONT 2 0 OFFS 1 0 OFFT1 0 OFFT 2 0 SNF1 OFF SNF 2 OFF SENS1 Sn 1 SENS 2 Sn 1 ...

Page 17: ...can be rotated in 90º increments to a different position for installation in confined spaces This is accomplished as follows Remove the handle from the shaft and set it aside Loosen the wing nut under the mounting plate which is used to fasten the actuator Loosen the coupler set screw of the stem Take out the whole actuator box from the mounting plate and set it aside Remove the four screws that h...

Page 18: ...18 Johnson Control 3 way valve shipped position Remove the handle from the shaft Port C Port B Port A Wing nut The Common Port Coupler Set Screw Actuator box Stem Handle Mounting plate Valve Body ...

Page 19: ...19 Remove the actuator box from the mounting plate Remove the stem assemble and mounting plate C Mounting plate rotated 180º Port C Port B Port A The Common Port ...

Page 20: ...20 Rotate the stem counter clockwise CCW 90º Adjusted Valve Port C Port B Port A The Common Port Port C Port B Port A The Common Port ...

Page 21: ...nd outputs you can also press and hold and for 5 seconds to access the system s Setup Start Screens and to go to the Sensor Setup Start Screen 5 System Status Screens The System Status Screens display current status of all inputs and outputs in the control system System Status Screens are view only selections are not made in Status Screen Relay output status screens display output number and relay...

Page 22: ...a 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 ...

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