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Walchem WBLW100 Series Instruction Manual

Manual is about: Cooling Tower and Boiler Controller

Summary of WBLW100 Series

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    Five boynton road hopping brook park holliston, ma 01746 usa tel: 508-429-1110 web: www.Walchem.Com wct/wblw100 series cooling tower and boiler controller instruction manual.

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    Notice © 2018 walchem, iwaki america incorporated (hereinafter “walchem”) 5 boynton road, holliston, ma 01746 usa (508) 429-1110 all rights reserved printed in usa proprietary material the information and descriptions contained herein are the property of walchem. Such information and descriptions ma...

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    1 1.0 introduction the walchem wct/wbl100 series controllers offer a high level of flexibility in controlling cooling tower and boiler water treatment applications. One sensor input is available that are compatible with a variety of sensors: cooling tower, boiler, and low cell constant condensate co...

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    2 3 2.2 electrical: input/output input power 100 to 240 vac, 50 or 60 hz, 7 a maximum fuse: 6.3 a input signals contacting conductivity 0.1, 1.0, or 10.0 cell constant or electrodeless conductivity temperature 100 or 1000 ohm rtd, 10k or 100k thermistor digital input signals (2): state-type digital ...

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    4 5 2.4 variables and their limits sensor input settings low limit high limit conductivity alarm limits 0 30,000 conductivity alarm dead band 0 30,000 cell constant 0.01 10 smoothing factor 0% 90% comp factor (conductivity linear atc only) 0% 20% installation factor (electrodeless conductivity only)...

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    6 7 always route low voltage (sensor) signals with at least a 6” (15 cm) separation from ac voltage wiring. The electrodeless conductivity sensor should be placed as close to the controller as possible, to a maximum distance of 120 ft. (37 m). Less than 20 ft. (6 m) is recommended.. The cable must b...

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    8 9 0 5000 10000 15000 20000 25000 20 30 40 50 60 70 80 90 100 150 200 300 pressure psi flow control valve maximum flow rates in lbs/hr 1/2" 150 psi 1/2" 300 psi 3/4" 150 psi 3/4" 300 psi lbs/hr 3.4 icon definitions symbol publication description iec 417, no.5019 protective conductor terminal iec 41...

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    10 11 heat exchanger cooling tower metering pumps 13" 11.75" figure 2 typical cooling tower installation 3.5 electrical installation the various standard wiring options are shown in figure 1 below. Your controller will arrive from the factory prewired or ready for hardwiring. Depending on your conf...

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    12 13 install accessories either vertically or horizontally, per manufacturer's instructions. To drain skimmer blowdown line 3/4" min. Up to electrode full port block valve manual blowdown (normally closed) motorized ball or solenoid valve flow control valve or orifice union conductivity electrode ¾...

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    14 15 to electrode to solenoid to constant 110 volts pe discharge tubing chemical pump to sanitary sewer spray tower spray pump city water makeup shutoff valve (a) (d) (a) (b) (f) (c) (e) (a) unions; installed for replacement of solenoid, strainer or probe (b) ½" solenoid (c) ½" y-strainer (d) condu...

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    16 17 1 2 3 4 5 6 7 8 9 10 11 12 tb2 tb1 fuse power switch power switch 1 2 3 4 5 6 7 8 9 10 11 12 r1 r2 r3 n n n n l tb3 tb4 tb5 tb6 tb7 + ph – tb1 econd ccond ph/orp w/bnc ph/orp dis 1 xmt+ xmt use for input signal 2 xmt– 3 x-shld 4 +5v 5 rcv– 6 rcv+ 7 rcv in+ 8 –5v 9 temp– temp– temp– temp– 10 te...

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    18 19 1 2 3 4 5 6 7 8 9 10 11 12 tb2 tb1 fuse power switch power switch 1 2 3 4 5 6 7 8 9 10 11 12 r1 r2 r3 n n n n l tb3 tb4 tb5 tb6 tb7 + ph – tb1 econd ccond ph/orp w/bnc ph/orp dis 1 xmt+ xmt use for input signal 2 xmt– 3 x-shld 4 +5v 5 rcv– 6 rcv+ 7 rcv in+ 8 –5v 9 temp– temp– temp– temp– 10 te...

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    20 21 1 2 3 4 5 6 7 8 9 10 11 12 tb2 tb1 fuse power switch power switch 1 2 3 4 5 6 7 8 9 10 11 12 r1 r2 r3 n n n n l tb3 tb4 tb5 tb6 tb7 + ph – r1 r2 r3 n l tb3 tb5 tb6 pump alarm blk 120v brn 240v power supply (120 vac or 240 vac) grn 120v grn/yel 240v blk 120v brn 240v wht 120v blu 240v n l blk 1...

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    22 23 other icons may appear in the menu screens. Alarm menu inputs menu outputs menu configuration/settings menu calibration key appears in sensor input menus and brings up the calibration menu x cancel key cancels any entry the page down icon scrolls down to a new page in a list of options. The pa...

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    24 25 choosing from a list selecting the type of sensor, the units of measure of an input, or the control mode used for an output, the selection is picked from a list of available options. Use the page up or down keys to highlight the desired option, and then use the enter key to store the new optio...

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    26 27 >>ccond (s1) alarms deadband inputs>ccond (s1) details screen content varies with output type > inputs ccond (s1) 0 µs/cm temp (s2) 74.7 °f >> no alarms (1) ccond (s1) 0 µs/cm temp (s2) 74.7°f > >>econd (s1) alarms deadband > >>temperature (s2) alarms deadband > >>ph (s1) alarms deadband > inp...

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    28 29 inputs (see section 5.2) program the settings for each input the s1 sensor input will be highlighted. Press the enter key to get to the details screen. Press the settings key. If the name of the sensor does not describe the type of sensor connected, press the scroll down key until type is high...

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    30 31 5.0 operation these units control continuously while power is applied. Programming is accomplished via the local keypad and dis- play. To see the top level menu keys, press the home key if not already there. The menu structure is grouped by alarms, inputs, outputs, and configuration settings. ...

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    32 33 5.2.1 contacting conductivity settings press the settings key view or change the settings related to the sensor. Alarms low-low, low, high and high-high alarms limits may be set. Deadband this is the alarm deadband. For example, if the high alarm is 3000, and the deadband is 10, the alarm will...

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    34 35 alarm choose if an alarm should be generated when the switch is open, or closed, or if no alarm should ever be generated. Name the name used to identify the switch may be changed. Type select the type of sensor to be connected to the digital input channel. 5.2.5 flow meter, contactor type inpu...

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    36 37 input select the sensor to be used by this relay. Direction select the control direction. 5.3.3 relay, flow timer control mode output details the details for this type of output include the relay on/off state, hoa mode or interlock status, accumulated on-time, alarms, current cycle on time and...

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    38 39 start time enter the time of day to start the event. Duration enter the amount of time that the relay will be on. Bleed select the relay to be used for bleed/blowdown prebleed time if lowering the conductivity prior to feeding biocide is desired using a fixed time instead of a specific conduct...

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    40 41 5.3.11 relay or analog output, manual mode output details the details for this type of output include the relay on/off state or analog output %, hoa mode or interlock status, accumulated on-time, alarms, current cycle on time and relay type. Settings a manual relay will activate if the hoa mod...

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    42 43 sensor mode select the effect that the probe wash event will have on any control outputs that use the sensor(s) being washed. The options are to either disable the sensor readings (turn the control output off) or hold the sensor reading at the last valid sensor reading prior to the start of th...

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    44 45 5.4.2 security settings controller log out when security is enabled, and after the password has been entered, the controller requires immediate use of a password to calibrate or change settings. Once finished making changes, log out to prevent unauthorized changes by someone else. If not manua...

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    46 47 6.0 maintenance the controller itself requires very little maintenance. Wipe with a damp cloth. Do not spray down the controller unless the enclosure door is closed and latched. 6.1 conductivity sensor cleaning note: the controller must be recalibrated after cleaning the sensor. Frequency the ...

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    48 49 7.2 alarm messages alarm messages will include the name of the input or output as defined in the settings menu, the hardware identifying type and number (s for sensor input, d for digital input, r for relay output, a for analog output), and the type of alarm. High or high-high alarm occurs if ...

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    50 51 system temp low this alarm indicates that the temperature inside the controller is below -10 °c. Possible cause correction action low ambient temperatures provide heat for the controller system temp high this alarm indicates that the temperature inside the controller is above 75 °c. Possible c...

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    52 53 9.0 spare parts identification 191617 safety cover 191612 power switch cable 191660 w100 power relay board 191661 w110 power relay board 102903 locknut 102834 fuse 191678 strain relief/insert 103938 strain relief/insert 191677 strain relief/insert 103803 power switch 103859 power cord 103860 p...

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    54 55 w100-ct-d 103885 screw 103886 screw 103874 panel 102961 hanger 102962 flow switch/tee 103056 sample valve 103058 tee 103061 conductivity sensor 191077-04 manifold 102437 nipple 104031 reducer wctw sensor option d w100-ct-h spare parts wcnw sensor option e 102387 sample valve 191638-03* electro...

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    Model code wctw wblw relays/wiring 100h = 3 powered relays, hardwired 100p = 3 powered relays, prewired usa power cord & pigtails 100d = 3 powered relays, prewired din power cord, no pigtails 110h = 3 dry relays, hardwired 110p = 3 dry relays, prewired usa power cord, no pigtails 110d = 3 dry relays...