Parker Hannifin Network Card R 134A User Manual

Ch i l l e r Co n t r o l l e r  
Holders for  
Optional Fail  
Safe Batteries  
Installation and Servicing Instructions  
Two 20 ampere  
240 VAC  
The Chiller Controller has the most features of any Sporlan controller.  
It will control one or two Sporlan Electric Expansion Valves, and con-  
trols superheat by means of pressure-temperature control. The controller  
controls each valve independently, and the valves may be different sizes,  
i.e. one SEI-2 and one SEH-175. Pressure-temperature superheat control  
for one of four common refrigerants may be selected. Controllers can  
be ordered configured for R-22, R-134a, R-404A, R-407C and R-507.  
The refrigerant type can be changed in the field by use of the optional  
“Panel Display.” Onboard readouts show actual superheat, superheat set  
point, and valve position. Two push buttons are provided on the board,  
to change the superheat set point, as well as open, close, or position the  
valve. Proportional and Integral set points are also included to change  
responsiveness of the valve.  
NC/NO relays  
24 Volt AC  
50/60 Hz.  
40 VA Input  
One 5 ampere  
240 VAC  
NC/NO relay  
DI Pumpdown  
Terminals  
1-  
1S  
1+  
Pressure  
Transducer  
Terminals  
R
Valve 1  
Cable  
Terminals  
G
W
B
As illustrated in Figure 1, the controller is provided with hardware and  
input/output connections for a number of user specified purposes. See  
below:  
Temperature  
Sensor  
Terminals  
TS2  
TS1  
Two Digit  
LED Display  
One or two valve control  
Two pressure inputs (transducer supplied by Sporlan)  
Two digital inputs (from external switches or relays)  
Four temperature inputs (Sporlan supplied surface or air sensors)  
Optional battery backup for onboard time clock and fail-safe  
valve closure  
Green  
Status LED  
RS 485 Post  
Red  
Status  
LED  
Panel  
Display  
Jack  
Two digit LED readout  
One green LED indicator  
One red LED indicator  
Two Push  
Buttons  
Two push buttons for set point, alarm cancellation, etc.  
One 8-position dip switch for addressing, mode selection, etc.  
Two 20 amp, 240 VAC NC/NO relays  
One 5 amp 240 VAC NC/NO relay  
RS 485 port  
Figure 1  
Terminals for Valve 1 shown.  
Terminals for Valve 2 similar.  
The power wire is red and is connected to the 1+ terminal.  
The signal wire is green and is connected to the 1S terminal.  
The ground wire is black and is connected the 1- terminal.  
6. The valve leads are connected to the terminals labeled Valve 1.  
The black lead is connected to terminal labeled B of Valve 1.  
The white lead is connected to terminal labeled W of Valve 1.  
The green lead is connected to terminal labeled G of Valve 1.  
The red lead is connected to terminal labeled R of Valve 1.  
7. DI1 is a digital input used as a pumpdown terminal. A short or  
closed contact from an external relay will close the valve for pump-  
down. When the relay opens or the short is removed, the valve will  
return to normal operation.  
8. If two valves are used the second valve and its temperature sensor,  
pressure transducer, and pumpdown are connected as above. Caution  
should be used on two valve systems to make sure that the sensors are  
connected to the terminal strip used for the valve they are controlling.  
The temperature sensor for Valve 2 is connected to TS4 as  
described above.  
Panel Display jack  
Please note that although relays, etc. appear on the Chiller Board,  
standard software does not support those devices. Custom (proprie-  
tary) software must be written for anything other than superheat con-  
trol. Please contact Sporlan Division of Parker for more information.  
INSTALLATION  
When handling the boards, electrostatic protection procedures should  
be followed. The installer should be grounded through a ground  
strap. If ground straps or other ESD protection is not available,  
ONLY handle the board by its edges or by the battery holders. DO  
NOT TOUCH ANY COMPONENTS ON THE BOARD EXCEPT  
THE BATTERY HOLDER AND RELAYS.  
1. The board should be mounted in a dry, protected environment using  
the predrilled mounting holes in each corner. Make sure none of the  
printed circuit paths or components are touching the metal panel or  
any thing else conductive.  
The pressure transducer for Valve 2 is connected to 2+, 2S, 2-  
as described above.  
2. If only one valve is used, connections are to be made to terminal  
block closest to display readout and push buttons PB1 and PB2.  
3. Controllers are configured for pressure temperature superheat control.  
4. Connect temperature sensor to TS2. The sensor is not polarized. For  
suction lines 7/8” or less, the sensor should be mounted to the cop-  
per suction line after the evaporator, using the furnished clamps. For  
larger lines or steel piping, a “well sensor,” available from Sporlan,  
should be installed.  
The valve is connected to terminals labeled Valve 2 as described  
above.  
The pumpdown terminal for Valve 2 is labeled DI2. It is con-  
nected as described above.  
Power is connected to the terminal marked 24VAC. Power  
requirements are 24 volts AC at 40 VA. For protection from  
electrical transients, connect one MOV varistor between one  
leg of the input voltage of the 24 VAC transformer and earth  
ground. Connect a second MOV varistor between the other leg of  
the input voltage of the 24 VAC transformer to earth ground. A  
recommended part number for a MOV is Harris Semiconductor  
5. The pressure transducer should be mounted on the top of the suction  
line near the temperature sensor location. Transducer connections to  
the board are as follows:  
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Page 3  
Pressing the ENTER button will change the flashing digit from 100’s digit  
to the 10’s digit.  
Pressing the UP button will open the valve 100 steps.  
Pressing the DOWN button will close the valve 100 steps.  
Pressing the ENTER button will change the flashing digit from 100’s digit  
to the 10’s digit.  
Pressing the UP button will increase the set point by 10 PSI.  
Pressing the DOWN button will decrease the set point by 10 PSI.  
Pressing the ENTER button will change the flashing digit from 10’s digit  
to the 1’s digit.  
Pressing the UP button will open the valve 10 steps.  
Pressing the DOWN button will close the valve 10 steps.  
Pressing the ENTER button will change the flashing digit from 10’s digit  
to the 1’s digit.  
Pressing the UP button will increase the set point by 1 PSI.  
Pressing the DOWN button will decrease the set point by 1 PSI.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 100’s digit.  
Pressing the UP button will open the valve 1 step.  
Pressing the DOWN button will close the valve 1 step.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 1000’s digit.  
Press and hold the UP button and ENTER button for 5 seconds to save the  
set point. The digits will stop blinking.  
Press and hold the UP button and ENTER button together for 5 seconds to  
put the controller in normal control. The digits will stop blinking.  
NOTE: CTS1 set point is used to help stop nuisance, low suction pressure  
trips of the compressor. If the suction pressure goes below CST1, and the  
superheat is above the superheat set point, the valve will keep opening  
until the suction pressure is above CST1 or the superheat is below its set  
point. The controller will start controlling superheat from this new valve  
position. If the superheat is below its set point and the suction pressure  
is below this set point, the controller will change CST1 to 12 PSI below  
current suction pressure. If power is lost, the original saved set point is  
used again.  
SSP1 MODE  
Press and hold the UP button and ENTER button for 5 seconds to enable  
the superheat set point to be changed. The set point is displayed and the  
100’s digit will blink.  
Pressing the UP button will increase the set point by 100 degrees.  
Pressing the DOWN button will decrease the set point by 100 degrees.  
Pressing the ENTER button will change the flashing digit from 100’s digit  
to the 10’s digit.  
When in CLP1 or CLT1, the numeric display shows the PSI or degrees to  
be either added or subtracted from that particular sensor, depending if the  
reading is negative or positive. Press and hold the UP button and ENTER  
button for 5 seconds to enable the sensor to be calibrated.  
Pressing the UP button will increase the set point by 10 degrees.  
Pressing the DOWN button will decrease the set point by 10 degrees.  
Pressing the ENTER button will change the flashing digit from 10’s digit  
to the 1’s digit.  
The CAL number is displayed and the 10’s digit will blink.  
Pressing the UP button will increase the CAL number by 10 PSI or degrees.  
Pressing the DOWN button will decrease the CAL number by 10 PSI or  
degrees.  
Pressing the ENTER button will change the flashing digit from 10’s digit to  
the 1’s digit.  
Pressing the UP button will increase the set point by 1 degree.  
Pressing the DOWN button will decrease the set point by 1 degree.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 100’s digit.  
Press and hold the UP button and ENTER button together for 5 seconds  
to save the set point. The digits will stop blinking.  
Pressing the UP button will increase the CAL number by 1 PSI or degree.  
Pressing the DOWN button will decrease the CAL number by 1 PSI or  
degree.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 0.1’s digit.  
MOP1 MODE  
Press and hold the UP button and ENTER button for 5 seconds to enable  
the Maximum Operating suction Pressure set point to be changed. The set  
point is displayed and the 100’s digit will blink.  
Pressing the UP button will increase the CAL number by 0.2 PSI or degree.  
Pressing the DOWN button will decrease the CAL number by 0.2 PSI  
or degree.  
Pressing the ENTER button will change the flashing digit from 0.1’s digit  
to the 10’s digit.  
Pressing the UP button will increase the set point by 100 PSI.  
Pressing the DOWN button will decrease the set point by 100 PSI.  
Pressing the ENTER button will change the flashing digit from 100’s digit  
to the 10’s digit.  
Press and hold the UP button and ENTER button for 5 seconds to save the  
CAL number. The digits will stop blinking.  
Pressing the UP button will increase the set point by 10 PSI.  
Pressing the DOWN button will decrease the set point by 10 PSI.  
Pressing the ENTER button will change the flashing digit from 10’s digit  
to the 1’s digit.  
PRO1, INT1, DER1, DON1, DOF1 AND DST1  
SETTING PROCEDURE  
Pressing the UP button will increase the set point by 1 PSI.  
Pressing the DOWN button will decrease the set point by 1 PSI.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 100’s digit.  
Use the UP and DOWN buttons to scroll to the Setpoint to be changed.  
Press and hold the UP button and ENTER button for 5 seconds to allow  
set point to be changed. The set point is displayed and the 100’s digit will  
blink.  
Press and hold the UP button and ENTER button for 5 seconds to save the  
set point. The digits will stop blinking.  
Pressing the UP button will increase the set point by 100 units.  
Pressing the DOWN button will decrease the set point by 100 units.  
Pressing the ENTER button will change the flashing digit from 100’s digit  
the 10’s digit.  
CTS1 MODE  
Press and hold the UP button and ENTER button for 5 seconds to enable  
the cut out suction pressure set point to be changed. The set point is dis-  
played and the 100’s digit will blink.  
Pressing the UP button will increase the set point by 10 units.  
Pressing the DOWN button will decrease the set point by 10 units.  
Pressing the ENTER button will change the flashing digit from 10’s digit  
to the 1’s digit.  
Pressing the UP button will increase the set point by 100 PSI.  
Pressing the DOWN button will decrease the set point by 100 PSI.  
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Page 4  
Pressing the UP button will increase the set point by 1 unit.  
Pressing the DOWN button will decrease the set point by 1 unit.  
Pressing the ENTER button will change the flashing digit from 1’s digit  
to the 100’s digit.  
TST2 Saturated temperature for AC circuit 2  
AC2, PDN2  
AC2 when in normal operation, PDN2 when in pumpdown for  
AC circuit 2  
R22, 134A, 407C, 404A, R507  
Press and hold the UP button and ENTER button together for 5 seconds to  
save the set point. The digits will stop blinking.  
R22 for refrigerant R-22, 134A for refrigerant R-134a, 407C for  
refrigerant R-407C, and 404A for refrigerant R-404A and R507  
for refrigerant R-507. Note: Not all controllers have both  
R-507 and R-407C.  
CHANGING REFRIGERANTS  
Press and hold the UP button and ENTER button simultaneously for 5  
seconds to enable the controller to change to another type of refrigerant.  
All 4 digits will start to blink.  
LGE2, SML2, MED2, ESX2  
LGE2 if the EEV used is an SEI-50 or larger for AC circuit 2.  
SML2 if the EEV used is smaller than an SEI-25 for AC circuit 2.  
MED2 if the EEV used is a SEI-25 for AC circuit 2.  
ESX2 if the EEV used is a ESX for AC circuit 2.  
SSP2 Superheat set point (0 to 16°F) for AC circuit 2. Default is  
10°F.  
Pressing the UP button or the DOWN button will change the display to  
other refrigerants.  
When the display shows the desired refrigerant, press and hold the UP  
button and ENTER button for together 5 seconds. The controller will save  
and use the selected refrigerant’s table for saturated temperature. The digits  
will stop blinking.  
MOP2 Maximum operating suction pressure set point (0 to 153 PSI)  
for AC circuit 2. Default is 153 PSI.  
CTS2 Cut out suction pressure set point for AC circuit 2 (0 to 153 PSI)  
CLP2 Calibrate pressure transducer for AC circuit 2  
CLT2 Calibrate temperature sensor for AC circuit 2  
PRO2 Proportional gain set point for AC circuit 2. Number of steps  
per degree that superheat is above or below the superheat set  
point (5 to 255 steps per degree). Default is 45 for the LGE2  
setting, 22 for the MED2 setting, or 11 for the SML2 setting.  
INT2 Integral set point for AC circuit 2. Number of seconds the con-  
troller waits to update the reference valve position. (1 to 120  
seconds). Default is 10 seconds.  
CHANGING VALVE TYPES – LGE1, SML1, or MED1  
Press and hold the UP button and ENTER button for 5 seconds to enable  
the controller to change to the other type of valves. All 4 digits will start  
to blink.  
Pressing either the UP button or the DOWN button will change the dis-  
play between the different valve types. Press and hold the UP button and  
ENTER button together for 5 seconds to save the selection. The digits  
will stop blinking.  
DER2 Derivative setpoint for valve 2. Advanced algorithm parameter  
that determines the slope of the change control point. Default is  
zero.  
Pressing the UP button and the DOWN button simultaneously will toggle  
the display between AC circuit 1 and AC circuit 2.  
DON2 Time delay in seconds between end of pumpdown and com-  
pressor start when Relay 1 is used to pilot the compressor con-  
tactor. The pre-opens the valve before compressor start to avoid  
nuisance low pressure safety trips. 2 seconds.  
DOF2 Time in seconds that the valve is shut before the compressor  
Relay 1 opens to stop the compressor. Allows refrigerant pump-  
down/pumpout. Default is 2 seconds.  
AC CIRCUIT 2 MENU  
The preceding instructions apply to AC circuit 2 as well as AC circuit 1:  
SUP2 Superheat read by controller for AC circuit 2  
POS2 Number of steps valve is open (0-6386) for AC circuit 2  
PRS2 Pressure read by the transducer (0-153 PSI, gauge) for AC  
circuit 2  
DST2 Used with DON2. Number of steps to pre-open the valve before  
compressor start. Default varies with valve size.  
TMP2 Temperature read by the temperature sensor (-50 to 103°F) for  
AC circuit 2  
CHILLER P/T CONTROLLER WIRING SCHEMATIC*  
Valve 2 connections  
on left block when used  
Pumpdown  
Relay  
(optional)  
DI1  
1- = Black  
1S = Green  
24 VAC  
40 VA  
Transformer  
1+ = Red  
R = Red  
G = Green  
W = White  
B = Black  
TS2 - Temp. Sensor 2  
TS1 - Temp. Sensor 1  
PB1 PB2  
Evaporator  
SEI/SEH  
8.8.  
Pressure  
Transducer  
Temperature  
Sensor  
*Only valve 1 shown, valve 2 connected in similarly.  
© 2008 Sporlan Division, Parker Hannifin Corp., 206 Lange Drive, Washington, Missouri 63090  
SD-252-408  
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