ROLA-CHEM RC554XP Manuale utente
ROLA-CHEM
®
Digital Controller PN 554135 07/11/19 Page: 1 of 24
F
MODE FEED
ONCE
pH
AUTO
ORP
LEVEL
SET
pH
FEED ALERT
CALIB
pH
FEED
TIME HI
ORP
LOW
ORP
FEED
L
O
W
ALERT
pH
Operating Manual
MODEL RC554XP
ORP/pH Digital Controller
IMPORTANT SAFETY INSTRUCTIONS
READ AND FOLLOW ALL INSTRUCTIONS
SAVE THESE INSTRUCTIONS
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 2 of 24
1. SAFETY: When installing and using this electrical equipment, basic safety precautions
should always be followed, including:
1.1 WARNING! To reduce the risk of injury, do not permit children to use this product unless they
are closely supervised at all times
1.2 WARNING! Risk of electric shock.
Connect only to a grounding type receptacle protected by a ground-fault circuit interrupter (GFCI).
Contact qualified electrician if you cannot verify that the receptacle is protected by a GFCI and that
your installation meets local electrical codes, including grounding of water system components.
1.3 WARNING! Risk of electric shock.
Do not bury electric cords. Locate cord to minimize abuse from lawn mowers, hedge trimmers, and
other equipment. Replace damaged cords immediately. Do not use extension cords.
1.4 WARNING! Risk of electric shock.
Install at least 10 feet (3.0m) from inside wall of water enclosure using non-metallic plumbing.
Do not install this controller in a location accessible to the public.
1.5 WARNING! Risk of Chemical Overdose/Exposure.
Removing power from circulating pump must also remove power from the controller.
Provide a properly located outlet controlled by the circulating pump circuit.
1.6 WARNING! Risk of electric shock/pinching/chemical exposure.
Remove power sources or lockout circuit prior to performing maintenance on controller.
1.7 WARNING! Risk of Chemical Overdose/Exposure.
Use a device such as a flow switch to shut off power from the controller in the event of circulating
pump failure. It is unsafe to automatically dispense chemicals into a circulating system that is not
running.
1.8 WARNING! Risk of Chemical Exposure.
Pool water must be balanced and stabilized before operating this controller.
1.9 WARNING! Risk of Chemical Overdose/Exposure.
Minimize amount of chemical on site that is available to dispense.
Size the feeder and container to pool/spa capacity.
Dilute chemical for small bodies of water.
1.10 WARNING! Risk of Chemical Exposure.
Do not shut down circulation and control system immediately after using pool, spa or hot tub.
Systems must operate until water chemistry is stable. Systems must be restarted before water
chemistry is out of NSPI recommended ranges or water chemistry must be manually corrected.
1.11 WARNING! Controller uses microprocessor.
Wireless communication equipment or other electrical devices operated in close proximity may
cause inadvertent actuation of chemical feed pumps.
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 3 of 24
Table of Contents
Section title Page
1. Safety Instructions 2
2. Quick Start Reference 4
3. Description and Specifications
3.1 General Description 5
3.2 Specifications 7
3.3 Description of controls 8
4. Installation
4.1 Locating the controller 12
4.2 Mechanical installation 12
4.3 Power panel access 13
4.3.1 Dip switches 13
4.3.2 Fuses 13
4.3.3 Flow switch 13
4.3.4 Globe Flowcell 14
5. Operation
5.1 Startup 15
5.2 pH settings 15
5.3 pH Calibration 15
5.4 ORP settings 15
5.5 Operating mode 16
6. Troubleshooting 17
7. Warranty 19
8. Appendix
8.1 Dip switch settings 20
8.2 Factory default settings 21
8.3 Water chemistry ranges-NSPI 21
8.4 Typical system installations 22
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 4 of 24
2. Quick Start Reference
Use this section for reference. Please read all safety instructions and appropriate manual
sections for installation and operation instructions.
Do NOT add chemicals to feeders until all startup operations are completed.
Manually adjust and balance pool/spa to acceptable levels and verify using DPD test kit
prior to startup. Automation should be used to maintain chemical levels, not to balance a
pool/spa that is out of acceptable chemical ranges.
On/Off:
- Press the MODE button to turn the unit on. Note: ‘FLOW’ light must illuminate.
- To turn the unit off press and release MODE button to change to ORP or pH mode. Then
press and hold the MODE button. “OFF” will be displayed in the windows.
To Operate:
- Press and release the MODE button until the “AUTO” LED is lit.
- Unit will now operate in the factory preset settings:
- Set levels: ORP = 650 mV, pH = 7.4
- Feed times: 0.6 second feed with a 5-minute delay
- Alert Limits: ORP: 900 high, 100 low, pH: 8.0 high, 7.0 low
To Change Settings:
Press and release the MODE button until the desired ORP or pH LED is lit. Once the settings
are changed, they will remain at those settings until they are changed again.
- Set level: press the SET LEVEL button until the desired set point is reached. Release the
button.
- Feed time: press the FEED TIME button until the desired feed time is reached.
Release the button.
The numbers represent the seconds of feed time (all with 5-minute delays).
Range is 0.6 to 900 sec. (15 min.). Continuous feed is ‘con’.
- Hi alert: press the HI ALERT button until the desired level is reached. Release the button
- Low alert: press the LOW ALERT button until the desired level is reached. Release the
button.
- Consecutive Feed Alert Limit: See Appendix for adjusting limit.
Manual Feed:
- Press and release the MODE button to light the LED associated with the desired feeder to
be manually fed: ORP or pH.
- Press the FEED ONCE button. The desired feeder will go through one “set feed” time cycle.
There is no manual feed option when the unit is in Continuous feed.
Other: See the appropriate manual sections for:
- Calibrating the pH sensor – See section 5.3
- Changing dip switches (pH/ORP interlock, Consecutive Feed Alert Limit, acid/base chemical
feed and keypad lockout). – See Appendix section 8.1
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3. Description and Specifications
3.1 General Description
The controller is a microprocessor-based chemical automation system which continuously
monitors and maintains the pH balance and sanitizer level in a swimming pool or spa.
The pH and sanitizer level (ORP) are displayed using sun-bright seven-segment light emitting
diodes. The pH and ORP levels are continuously monitored and displayed on the controller’s
front panel. The ORP/pH controller has been designed to be user friendly. One MODE button
and six SET buttons allow the operator to easily set parameters.
The pH display range is 6.0 to 8.4 with a .1 unit resolution. The pH set point is adjustable
from 7.0 to 8.0 in .1 pH steps with a factory default set point of 7.4 pH. During a pH feed
cycle, the pH feed lamp will flash when pH chemicals are being fed and illuminate
continuously during the feed delay portion of the feed cycle. The pH Alert lamp will illuminate
when the pH reading is higher or lower than the high and low pH Alert set points and prevent
the feeding of pH chemicals. The Digital Display numbers will flash and the pump/feeder will
not activate if the Set Level is not reached within the preset Consecutive Feed Alert Limit.
The default value is 40 cycles for timed feed mode or 40 minutes for continuous feed mode.
See appendix for setting Consecutive Feed Alert Limit.
The sanitizer (ORP) display range is 0 to 995 mV with a 5 mV display resolution. The ORP
set point is adjustable from 400 to 900 mV with default set point of 650 mV.
During an ORP feed cycle, the ORP feed lamp will flash when sanitizer chemicals are being
fed and illuminate continuously during the feed delay portion of the feed cycle. The ORP
Alert lamp will illuminate when the ORP reading is higher or lower than the high and low ORP
Alert set points and prevent the feeding of sanitizer chemicals. The Digital Display numbers
will flash and the pump/feeder will not activate if the Set Level is not reached within the preset
Consecutive Feed Alert Limit. The default value is 40 cycles for timed feed mode or 40
minutes for continuous feed mode. See appendix for setting Consecutive Feed Alert Limit.
A manual feed cycle for pH or ORP can be started by pressing the MODE button (placing the
controller in stand-by mode for either pH or ORP) and then pressing the FEED ONCE button.
The feed cycle is a timed-based ‘feed then delay’ system. The controller has a series of fixed
feed times (0.6 to 900 sec.) with associated delays as well as a Continuous feed mode. A
feed cycle consists of a feed time plus a delay time. Example: a 30 second feed time
followed by a five-minute delay would have a 5½ minute feed cycle. The chemical feeder
dispenses chemical only during the feed time portion of the cycle and then waits for a delay
period to allow for chemical to dispense throughout the swimming pool or spa.
The controller incorporates an internal non-volatile memory in which all factory default
settings as well as field-modified settings are stored. The internal memory is not affected by
power interruption and requires no backup battery.
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 6 of 24
Acid/base, pH/ORP interlock, Consecutive Feed Alert Limit and keypad lockout control
switches are located behind the Power Panel Access Cover. See section 4.3.
The pH and ORP outputs are capable of handling 5 amps each at 120 Volt AC. The relay
outputs are fused and transient protected. An internal terminal strip is provided for field wiring
of the controller. The internal step-down transformer has a class-two energy limiting rating to
provide for electrical safety.
Note: When automating any body of water, it is essential to size the feeders to reach desired
levels in a relatively short period of time. Generally, automating an existing body of water with
existing feeders will require the output of the feeders be increased accordingly. If feeders are
unable to keep up with demand in a short period of time, automation becomes ineffective.
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 7 of 24
3.2 Specifications
ORP & pH Ranges ORP pH .
Display: 0 to 995 mV 6.0 to 8.4
Set Level: 400 mV to 900 mV 7.0 to 8.0
(5 mV increments)
Factory default: 650 mV 7.4
Input Power:
120 Volts AC, 50/60 HZ, 3 wire grounded power cord
Combined load not to exceed 10 amps
GFCI source required
Output Power:
120 Volts AC, 50/60 HZ, 5 amps (fused) for both ORP and pH
Two 3-wire grounded power receptacles
Terminal strip for hardwire applications included
Displays:
ORP and pH - red digital
Power and flow indicator - LED
Alert indicator & Feed indicator - LED (ORP & pH)
Mode indicator - LED (pH, ORP, Auto)
Note: feed lamps flash during the feed time and are on continuously during the delay time
of the feed cycle.
Operating Temperature: 40 to 120° F
Selectable Features
+ ORP and pH settings + Manual feed
+ ORP and pH feed/delay times + Keypad lockout + pH calibration
+ High and low ORP and pH alerts + Reset + ORP and pH Interlock
+ Acid/base feed + Adjustable Consecutive Feed Alert Limit
Features and Options
+ Flow switch input + Individually fused outputs + 120 VAC transformer
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 8 of 24
3.3 Description of Controls
1- WATER FLOW LAMP
Illuminates brightly when water flow is indicated. Also indicates that power is on.
2- pH/ORP ALERT LAMPS
Illuminates red when the Hi or Low Alert levels are reached.
3- CHEMICAL FEED LAMPS
pH FEED lamp flashes while feeding chemical and illuminates continuously during feed
delay.
ORP FEED lamp flashes while feeding chemical and illuminates continuously during feed
delay.
4- pH/ORP DIGITAL DISPLAYS
Monitors pH and ORP and displays programmed set points.
The Digital Display numbers will flash if Consecutive Feed Alert Limit is exceeded.
5- pH STANDBY LAMP AND PROGRAMMING BUTTONS
When pH standby lamp is illuminated the six set buttons are enabled.
6- MODE BUTTON AND AUTOMATIC LAMP
Press MODE button to pH or ORP and hold for 2 seconds for OFF.
Press and release MODE button to step from pH to ORP.
Press again to return to AUTOMATIC mode.
7- ORP STANDBY AND PROGRAMMING BUTTONS
When ORP standby lamp is illuminated the five SET buttons are enabled.
8- pH/ORP SENSOR CONNECTORS – BNC type
FEED
8
4
6
7
5
FEED
MODE
O
W
ONCE
AUTO
ORP
pH
FEED LEVEL TIME
SET FEED
pH
F
ALERT
l
ORP
pH
HI LOW CALIB
pH
ALERT
ORP
3
2
1
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 9 of 24
Modes: The controller has four modes of operation:
ON/OFF mode.
AUTO mode – normal operation mode
pH - setting mode
ORP - setting mode
To move from one mode to another simply press the MODE button.
The illuminated lamp indicates the current mode.
3.3.1 On/off mode:
To turn the controller “ON”: press the MODE button.
To turn the controller “OFF”: press and change MODE to pH or ORP and hold the MODE
button for two seconds until both displays read “OFF”. Release the MODE button and the
controller turns off and the displays go blank.
Note: Turning the controller “OFF” using the MODE button simply turns off the controller
functions, but does not turn off the power to the controller. The ‘FLOW’ lamp located at the
center of the controller is both the power light and a flow indicator when an optional flow
switch is used.
3.3.2 AUTO mode: This is normal operation mode. The controller operates the respective
feeders to automatically maintain the parameters set for both pH and ORP.
3.3.3 pH SET mode: This enables the six programming buttons to set desired pH parameters.
Note: When scrolling through the set modes, to reverse the direction simply release the
button momentarily and press the button again.
Feed Once button: By pressing the FEED ONCE button, the pH feeder will feed and delay
for one complete feed cycle. See FEED TIME Button for feed/delay times. If the Feed time
is set for “Continuous feed” the manual feed will not operate.
Set Level button: Pressing the SET LEVEL button once will display the current set level. To
change the set level, press and hold the SET LEVEL button (which displays in 0.1 pH
increments) until the desired level is reached.
Feed Time: The feed times are displayed in seconds.
Each feed cycle includes a five (5) minute delay time. Pressing the FEED TIME button
allows the user to scroll through the available feed times. Release the button when the
desired pH feed time is reached. To set the controller in Continuous feed, release the
button when the display reads “con”. Continuous feed runs feeder continuously; (1) until set
point is reached or (2) until Consecutive Feed Alert Limit is reached or (3) until Hi/Low Alert
limit is reached. See appendix for Consecutive Feed Alert Limit details. Feed time can also
be set to “off”.
Note: The controller will overshoot the pH Set Level by 0.1 to reduce on/off cycles.
ROLA-CHEM® Digital Controller PN 554135 07/11/19 Page: 10 of 24
Hi Alert: Pressing the HI ALERT button allows the operator to set or turn off the HI alert level
feature. As the button is pressed the pH readout will scroll through the available HI alert pH
levels (7.5 to 8.4 and off). Release the button when the desired level is reached. The Hi
Alert cannot be turned off in the BASE feed selection.
Low Alert: Pressing the LOW ALERT button allows the operator to set or turn off the Low
alert level feature. As the button is pressed the pH readout will scroll through the available
Low alert pH levels (6.8 to 7.4 and off). Release the button when the desired level is
reached. The Low Alert cannot be turned off in the ACID feed selection.
Note: If the pH reading is out of the pre-set alert range for more than ten (10) minutes the pH
red alert lamp will illuminate and the pH feeder will be disabled. The system will
automatically reset when the water chemistry has been corrected.
pH Calibrate: This button allows the operator to calibrate the pH sensor to a buffer or to a
sample tested with a test kit. Pressing the pH CALIB button allows the operator to adjust
the pH reading to match the buffer or test kit value.
Note: The sample to be tested should always be taken from the flow cell or container in which
the pH sensor is located. The pH calibration allows the adjustment of +/- 1 pH in .1 pH
increments.
Consecutive Feed Alert Limit: The Digital Display numbers will flash and the pump/feeder
will not activate if the Set Level is not reached within the preset Consecutive Feed Alert
Limit. See appendix for setting Consecutive Feed Alert Limit.
3.3.4 ORP SET mode: This enables the first five programming buttons to set desired ORP
parameters.
Feed Once: By pressing the FEED ONCE button, the ORP feeder will feed and delay for one
complete feed cycle. See FEED TIME Button for feed/delay times. If the feed time is set
for “Continuous feed” the manual feed will not operate.
Set Level: Pressing the SET LEVEL button once will display the current set level. To change
the set level, press and hold the SET LEVEL button (which displays in 5 mV increments)
until the desired level is reached.
Feed Time: The feed times are displayed in seconds. There is a five (5) minute delay time
associated with each feed time. Pressing the FEED TIME button allows the user to scroll
through the available feed times. Release the button when the desired ORP feed time is
reached. To set the controller in Continuous feed mode, release the button when the
display reads “con”. Continuous feed runs feeder continuously; (1) until set point is reached
or (2) until Consecutive Feed Alert Limit is reached or (3) until Hi/Low Alert limit is reached.
See appendix for Consecutive Feed Alert Limit details. Feed time can also be set to “off”.
Note: The controller will overshoot the ORP Set Level by 10mV to reduce on/off cycles.
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