Chromalox Air Conditioner 8003 User Manual

8003  
1/8 DIN  
Temperature Controller  
Issue Date  
April 1994  
USER’S MANUAL  
0037-75212  
 
Model Identification  
Model  
8003  
1/8 DIN Temperature Controller  
Code  
Output 1 - Heat or Cool  
1
SPDT Relay, 3 Amps at 250 Vac (Resistive) or  
SSR Drive, 14V @ 20mA, Jumper Selectable  
Code  
Output 2 - Cool or Alarm  
1
Relay, 2 Amps at 250 Vac (Resistive) or  
SSR Drive, 14V @ 20mA, Jumper Selectable  
Code  
Options  
0
1
None  
Alarm #2, 2 Amps at 250 Vac (Resistive load)  
Code  
Power Supply  
3
5
100/240 Vac  
24 Vac/dc  
Code  
0
Add to complete model number  
Typical Model Number  
8003 -  
ii  
1
1
1
3
0
 
Chromalox 8003 User's Manual  
1.77  
(45)  
Dimensions in inches (mm in parenthesis)  
3.62  
(92)  
5.1  
(125)  
Chromalox  
2.4  
(60)  
PV  
SP  
0.5  
(12.8)  
3.5  
(89)  
3.8  
(96)  
MAIN AL1 AL2 SMRT  
COOL HB  
FUNC  
SMRT  
1.9  
(48)  
 
Chromalox 8003 User's Manual  
1
Warnings:  
Wiring  
12  
13  
14  
15  
1
TC  
3
• When a relay output is used to drive an inductive  
load, it is suggested that you connect an external  
snubber network (RC) across the terminals in  
accordance with the following table (or use  
Chromalox snubber P/N 0149-01305):  
TC+  
TC-  
-
OUT2  
SSR  
AL1/COOL  
+
4
Load  
Current (mA)  
C
R
P.  
(W)  
Operating  
Voltage  
16 NO  
5
OUT2  
RELAY  
AL1/COOL  
(mF) (Ω)  
C
-
17  
18  
19  
20  
21  
6
7
<40 mA  
<150 mA  
0.047 100  
0.1  
0.33  
1/2  
2
2
260 Vac  
260 Vac  
260 Vac  
OUT1  
SSR  
22  
47  
+
8
<0.5  
A
C
9
OUT1  
RELAY  
NO  
10  
11  
C
OUT3  
AL2  
RELAY  
• Do not run sensor input wires together with power  
cables.  
22 NC  
NO  
• For thermocouple (TC) wiring, use matching  
thermocouple extension wire (i.e. for J T/C, use type  
“J” thermocouple extension wire).  
• When using shielded sensor cable, ground the shield  
at one end only.  
 
Chromalox 8003 User's Manual  
2
J305  
J304  
PZ22  
PZ21  
PZ20  
PZ19  
PZ18  
Hardware Setup  
1
1
To select the output type(s) and the alarm contact settings:  
1. Remove the instrument from its case.  
2. Move the jumpers to the desired position as shown in  
the diagram.  
3. Set J304 and J305 as shown in the following figure.  
PZ17  
PZ16  
PZ15  
3
3
2
2
1
1
J305  
(MAIN output)  
1-2 = SSR  
2-3 = Relay  
PZ14  
J304  
(AL1, Cool.)  
1-2 = SSR  
2-3 = Relay  
PZ13  
PZ12  
 
Chromalox 8003 User's Manual  
3
General Operation  
PZ1  
There are two setup modes for the 8003:  
• Configuration Mode  
PZ3  
PZ4  
• Operator Mode  
In general, the Configuration Mode is the initial setup of  
the controller when first installed. Input type and alarm  
setup are examples of Configuration Mode settings. The  
Operator Mode includes settings that might be adjusted  
frequently with daily control operations such as setpoints  
and PID parameters.  
PZ6  
PZ7  
Notes for Configuration Mode:  
PZ10  
PZ11  
V2  
FUNC  
=
Stores the new value of a selected parameter  
and increments to the next parameter.  
SMRT  
=
Scrolls parameters back (in reverse order)  
without storing the new parameter value.  
Increases the value of the selected parameter.  
Decreases the value of the selected parameter.  
3. Reinsert the instrument in its case.  
4. Switch on the instrument. “CNF” should be displayed  
in the upper display.  
=
=
Note: If "CAL" indication is immediately displayed,  
press the pushbutton to return to the  
configuration mode (CNF).  
5. Push the FUNC pushbutton.  
The lower display shows the parameter code while  
Configuration Procedure  
1. Remove the instrument from its case.  
2. Set the internal switch V2 (see the following  
figure) in open position.  
the upper display shows the actual parameter value.  
 
Chromalox 8003 User's Manual  
4
P1 = Input Type and Standard Range  
P4 = Output Configuration  
= Heating HC = Heating / cooling  
H
Range  
0
1
2
3
4
5
8
9
= TC type  
= TC type  
= TC type  
= TC type  
L
J
K
N
0 / +800 °C  
0 / +800 °C  
0 / +999 °C  
0 / +999 °C  
P5 = Heating Output Type  
rEL = Relay  
SSr = SSR  
The output type selected here must match hardware  
jumper setup (see page 2).  
= RTD type Pt 100 -199 / +500 °C  
= RTD type Pt 100 -19.9 / +99.9 °C  
= TC type  
= TC type  
P6 = Cooling Element  
Available only when P4 = HC  
AIr = Air  
OIL = Oil  
H2O = Water  
L
J
K
N
0 / +999 °F  
0 / +999 °F  
0 / +999 °F  
0 / +999 °F  
10 = TC type  
11 = TC type  
12 = RTD type Pt 100 -199 / +999 °F  
P7 = Alarm 1 Type  
Available only when P4 = H  
0 = None  
1 = Process alarm (absolute)  
2 = Band alarm (+ and - deviation)  
3 = Deviation alarm  
P2 = Initial Scale Value  
Not present when P1 = 5  
The initial and full scale values are used by the PID  
algorithm to calculate the input span.  
P3 = Full Scale Value  
Not present when P1 = 5  
The initial and full scale values are used by the PID  
algorithm to calculate the input span.  
Note: the minimum input span (P3 - P2) is 300°C or  
600°F for TC input and 100°C or 200°F for RTD input.  
P8 = Alarm 1 Operation  
Available only when P7 is different from 0  
H = High Alarm  
L = Low Alarm  
(outside if band alarm)  
(inside if band alarm)  
 
Chromalox 8003 User's Manual  
5
P9 = Alarm 1 Inhibit  
Available only when P7 is different from 0.  
OFF = inhibit disabled  
ON = inhibit enabled  
P13 = Type of OFFSET Applied to the Measured Value  
P13 = 0 = constant OFFSET (P14) all over the range  
P13 different from 0 = P13 shows the application point  
of the offset value set by P14 parameter.  
Note: The Alarm Inhibit disables the alarm action after a  
setpoint change. At startup, it automatically enables the  
alarm when the process temperature reaches the present  
condition.  
P14 = OFFSET Value  
When P13 = 0, P14 is programmable, in engineering  
units, from -20 % to +20 % of the input range.  
When P13 is different from 0, P14 is programmable from  
-20 % to + 20 % of P13 value.  
P10 = Alarm 2 Type  
0 = Not provided  
2 = Band alarm  
1= Process alarm  
3 = Deviation alarm  
-20% to +20%  
Readout  
P11 = Alarm 2 Operative Mode  
Available only when P10 is different from 0.  
Real curve  
Real curve  
Readout  
P14  
H = High Alarm  
L = Low Alarm  
P12 = Alarm 2 Inhibit  
Available only when P10 is different from 0  
OFF = Inhibit disabled  
ON = Inhibit enabled  
P14  
Adjusted  
curve  
Adjusted curve  
Input  
P13  
Input  
Note: The Alarm Inhibit disables the alarm action after a  
setpoint change. At startup, it automatically enables the  
alarm when the process temperature reaches the present  
condition.  
P13 = 0  
 
Chromalox 8003 User's Manual  
6
P15 = Threshold of the “Soft Start” Function  
Enter the threshold value, in °F or °C, for the automatic  
start of the "Soft Start" function (output power limit).  
The range of this setting is determined by the range of the  
sensor selected in P1 (i.e., if type J T/C °F is selected in  
P1, range is 0-999).  
• When configuration is completed, the instrument  
shows " -.-.-. " on both displays.  
End of Configuration  
• Push the FUNC pushbutton. The instrument will  
return to the beginning of the configuration procedure.  
For Advanced Configuration  
• Push the or pushbutton and set the “217” code on  
the upper display.  
• Push FUNC. The following advanced configuration  
parameters, P19-P29 will be displayed.  
If the unit powers-up below the threshold value, the "Soft  
Start" function is enabled and limits the power output to  
"OLH" for "toL" minutes. “OLH” and “toL are setup in  
the Operator Mode.  
P16 = Not used  
P17 = Not used  
P19 = Main Output Action  
Available only when P4 = H  
r = Reverse (heating)  
d = Direct (cooling)  
Note: when P4 = HC, this parameter is forced to "r"  
P18 = User Defined Security Code  
0 = Security lock disabled (all Operator Mode parameters  
may be adjusted)  
P21 = Alarm 1 Relay Action  
This parameter is available only if P7 is different from 0  
and P4 = H.  
r = Reverse (relay de-energized in alarm condition)  
d = Direct (relay energized in alarm condition)  
1 = Security lock enabled (only setpoints may be adjusted)  
From 2 to 499 = SP parameter may be modified and  
other Operator Mode parameters may  
be accessed.  
From 500 to 999 = SP, A1 and A2 parameters may be  
modified and other Operator Mode  
parameters may be accessed.  
 
Chromalox 8003 User's Manual  
7
P22 = Alarm 2 Relay Action  
This parameter is available only if P10 is different from 0  
P26 = SMART enabled/disabled  
0 = SMART function is disabled  
and P16 is different from OFF.  
r = Reverse (relay de-energized in alarm condition)  
d = Direct (relay energized in alarm condition)  
1 = SMART function enabling/disabling is NOT  
protected by the security code  
2 = SMART function enabling/disabling is protected  
by the security code  
P23 = Automatic Adjustment of "Relative Cooling Gain"  
OFF = the SMART function does not adjust the  
"relative cooling gain" parameter  
ON = the SMART function adjusts the "relative  
cooling gain" parameter  
P27 = Proportional Band Maximum Limit is Adjustable  
SMART function—This parameter may be programmed  
from P28 or P29 value to 99.9.  
P28 = Proportional Band Minimum Limit is Adjustable  
SMART function in heating control only—This  
parameter may be programmed from 1.0% to P27 value.  
P24 = Output Maximum Rate of Change  
This parameter allows you to set the output maximum  
rate of change. P24 is programmable from 1 to 10% per  
second change of the control output. If blank display, no  
rate is applied and output changes in steps.  
P29 = Proportional Band Minimum Value is Adjustable  
SMART function in heating/cooling only—This  
parameter may be programmed from 1.5% to P27 value.  
P25 = Protected Parameter Viewing  
This parameter is available only if P18 is different from 0.  
OFF = all protected parameters are not displayed  
ON = the parameter values are displayed  
 
8
Chromalox 8003 User's Manual  
SMART Function  
Operator Mode  
SMART automatically determines the best PID control  
parameters for your application.  
1. Remove the instrument from its case  
2. Set the internal switch V2 in closed position  
3. Re-insert the instrument  
To enable the SMART function, push the SMRT  
pushbutton. The SMRT LED will light or flash according  
to the algorithm automatically selected.  
4. Switch on the instrument  
PZ1  
When the SMART function is enabled, it is possible to  
display, but not to modify, the control parameters (PB,  
TI, TD and rC).  
PZ3  
PZ4  
When the traditional PID control is desired, push the  
SMRT pushbutton again. The instrument maintains the  
last set of SMART PID control parameters and enables  
parameter modification.  
PZ6  
PZ7  
Notes: 1. When ON/OFF control is programmed (PB = 0),  
the SMART function is disabled.  
2. The SMART enabling/disabling is protected by  
security code.  
PZ10  
V2  
PZ11  
 
Chromalox 8003 User's Manual  
9
The upper display will show the measured value while the  
lower display will show the programmed setpoint value  
(we define this status as “normal display mode”).  
Output Power Off  
To turn OFF the output signal, push and hold the ▲  
pushbutton, then push FUNC. Pressing both pushbuttons  
for more than 3 seconds will cause the instrument to  
display "OFF" instead of the setpoint value.  
Pushbutton functionality during operating mode :  
FUNC  
=
Stores the new value of a selected parameter  
and increments to the next parameter.  
In the output power off condition, the parameters can  
always be reviewed and modified.  
SMRT  
=
Scrolls parameters back (in reverse order)  
without storing the new parameter value.  
Increases the value of the selected parameter.  
Decreases the value of the selected parameter.  
To return to normal control, press and hold the ▲  
pushbutton and then push the FUNC pushbutton.  
=
=
Press and hold both pushbuttons for more than 3 seconds.  
The instrument then goes to the NORMAL DISPLAY  
MODE.  
Note: A 10 second timeout is operative during parameter  
modification.  
If, during operator parameter modification, no  
pushbuttons are pressed for more than 10 seconds, the  
instrument goes automatically to the “normal display  
mode” and it stores only the new settings that were  
followed by pressing FUNC pushbutton.  
 
Chromalox 8003 User's Manual  
10  
td  
C
Derivative (rate), range 1 second to 9 minutes  
and 59 seconds. If 0, derivative is disabled.  
Heating cycle time, range 1 to 200 seconds (30  
seconds or greater recommended for relay outputs).  
Cycle Time for Output 2 (heat/cool control  
selected), range 1 to 200 seconds (30 seconds  
or greater recommended for relay outputs).  
Relative cooling gain (for heat/cool) control  
range 0.20 to 1.00.  
Overlap/Deadzone (for heat/cool) Positive value  
is amount of overlap; negative value separation  
between heat and cool Pbs, range -20 to 50% of Pb.  
SP minimum value (low limit)  
8003 Operator Parameters  
Push the FUNC pushbutton. The lower display shows the cue,  
the upper display shows the value of the selected parameter.  
Cue  
SP  
nnn  
Description  
C2  
Control Setpoint, range from "rL" to "rH".  
Software key for parameter protection set in  
Conf mode P18.  
rC  
A1  
A2  
H1  
Alarm 1 Setpoint, range from Conf mode P2 to P3.  
Alarm 2 Setpoint, range from Conf mode P2 to P3.  
Alarm 1 hysteresis (deadband) 0.1 to 10.0% of  
alarm span.  
OLP  
H2  
Pb  
Alarm 2 hysteresis (deadband) 0.1 to 10.0% of  
alarm span.  
rL  
rH  
rP  
SP maximum value (high limit)  
Proportional Band, range from 1.0 to 99.9% of  
span for heating output, 1.5 to 99.9% of span  
for heating/cooling output. If Pb = 0, ON/OFF  
control is enabled and ti, td, C, C2, rC, OLP,  
OLH and IOL are not displayed.  
Ramp on setpoint changes, range 1 to 100  
degrees/minute or blank (step change).  
Output power max. value, range 0 to 100%  
heating, -100 to 100% heat/cool, limits power  
continuously (tOL = blank) or on startup per  
tOL settings.  
Time interval for OLH power output limit, range  
1 to 100 minutes or if blank infinite. The timer  
starts if the actual temperature is less than P15  
(threshold value).  
OLH  
HS  
ti  
Hysteresis (deadband) for ON/OFF control  
(active if Pb = 0), range 0.1 to 10.0% of span.  
Integral time (automatic reset), range 1 minute  
and 20 seconds to 20 minutes and 00 seconds,  
or if blank integral is disabled.  
tOL  
 
Chromalox 8003 User's Manual  
11  
Burn-out conditions are shown as well as overrange  
condition.  
Error Messages  
Overrange or Underrange Indications  
The instrument shows the OVERRANGE conditions  
with the following indication on the upper display:  
For TC input it is possible to specify optional underrange  
indication when ordering the controller. Contact the  
factory for information.  
Note: When an overrange condition is detected, the  
instrument forces the control output to the minimum  
possible value.  
When an underrange condition is detected, the  
instrument forces the control output to the maximum  
possible value.  
The instrument shows the UNDERRANGE conditions  
with the following indication on the upper display:  
 
Chromalox 8003 User's Manual  
12  
400  
500  
502  
510  
Control parameters error  
Auto-zero error  
RJ error  
General error during calibration  
procedure  
Error Messages  
The instrument has a self-diagnostic algorithm. When an  
error is detected, the instrument shows “Err” indication  
on the lower display while the upper display shows the  
code of the detected error.  
Note: 1. When a configuration parameter error is  
Error List  
100  
150  
200  
parameter only.  
Write EEPROM error.  
CPU error.  
Write on protected memory.  
Configuration parameter error. The two least  
significant digit’s show the number of the  
wrong parameter (ex. 209 Err shows an Error  
on P9 parameter)  
2. If an error 400 is detected, simultaneously push  
the and pushbuttons for loading the  
default parameters, then repeat control  
parameter setting.  
201-2xx  
3. For all the other errors, contact your supplier.  
301  
305  
307  
310  
RTD input calibration error  
TC input calibration error  
RJ input calibration error  
CT input calibration error  
 
Chromalox 8003 User's Manual  
13  
Notwithstanding the provisions of this WARRANTY  
AND LIMITATIONS Clause, it is specifically understood  
that Products and parts not manufactured and work not  
performed by Chromalox are warranted only to the extent  
and in the manner that the same are warranted to  
Chromalox by Chromalox’s vendors, and then only to the  
extent that Chromalox is reasonably able to enforce such  
a warranty, it being understood Chromalox shall have no  
obligation to initiate litigation unless buyer undertakes to  
pay all cost and expenses therefore including but not  
limited to attorney’s fees, and indemnifies Chromalox  
against any liability to Chromalox’s vendors arising out of  
such litigation.  
Warranty And Limitation Of Remedy  
And Reliability  
Chromalox warrants only that the Products and parts  
manufactured by Chromalox, when shipped, and the work  
performed by Chromalox when performed, will meet all  
applicable specification and other specific product and  
work requirements (including those of performance), if  
any, and will be free from defects in material and  
workmanship under normal conditions of use. All claims  
for defective or nonconforming (both hereinafter called  
defective) Products, parts or work under this warranty  
must be made in writing immediately upon discovery, and  
in any event, within three (3) years from delivery,  
provided, however all claims for defective Products and  
parts must be made in writing no later than eighteen (18)  
months after shipment by Chromalox. Defective and  
nonconforming items must be held by Chromalox’s  
inspections and returned to the original f.o.b. point upon  
request. THE FOREGOING IS EXPRESSLY IN LIEU OF  
ALL OTHER WARRANTIES WHATSOEVER,  
EXPRESS, IMPLIED AND STATUTORY,  
Upon buyer’s submission of a claim as provided above and  
in its substantiation, Chromalox shall at its option either  
(i) repair or replace its Products, parts or work at the  
original f.o.b. point of delivery or (ii) refund an equitable  
portion of the purchase price.  
The foregoing is Chromalox’s only obligation and buyer’s  
exclusive remedy for breach of warranty, and is buyer’s  
exclusive remedy against Chromalox for all claims arising  
hereunder or relating hereto whether such claims are  
based on breach of contract, tort (including negligence  
and strict liability) or other theories, buyer’s failure to  
INCLUDING, WITHOUT LIMITATION, THE  
IMPLIED WARRANTIES OF MERCHANTABILITY  
AND FITNESS FOR A PARTICULAR PURPOSE.  
 
Chromalox 8003 User's Manual  
14  
submit a claim as provided above shall specifically waive  
all claims for damages or other relief, including but not  
limited to claims based on latent defects. In no event  
shall buyer be entitled to incidental or consequential  
damages and buyer should hold Chromalox harmless  
therefrom. Any action by buyer arising hereunder or  
relating hereto, whether based on breach of contract, tort  
(including negligence and strict liability) or other  
theories, must be commenced within three (3) years after  
the date of shipment or it shall be barred.  
Returns  
Items returned to Chromalox Instruments and Controls  
must be accompanied by a Return Authorization Number.  
This number may be obtained from Chromalox  
Instruments and Controls, Customer Service Department,  
Telephone Number (615) 793-3900. It should appear on  
the exterior of the shipping carton and on the shipping  
documents. Defective items will be repaired or replaced at  
our option, at no charge.  
Return the defective part or product, freight prepaid, to:  
Chromalox Instruments and Controls  
1382 Heil-Quaker Blvd.  
LaVergne, TN 37086-3536  
 
Chromalox 8003 User's Manual  
15  
®
Chromalox  
INSTRUMENTS AND CONTROLS  
1382 HEIL QUAKER BOULEVARD  
LAVERGNE, TN 37086-3536  
PHONE (615) 793-3900  
FAX (615) 793-3563  
 

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