Parker Sporlan S3C, Installation And Operation Instructions Manual

Page: 122 / 146

Page 122 – Bulletin 100-50-9.1
RED
denotes required control configuration to enable alarm and/or control response.
Alarm Description Cause Control Response
Self
Clearing
2
No Suction Pressure Transducer
detected on Center Evaporator (S3C
Valve Module pressure input). 2 or
3 Evaporators with multiple suction
pressure transducers installed in
case.
Superheat Control using EEV
selected. Number of evaporators in
case greater than 1. Sensor must be
detected on initial power up to enable
alarm. Pressure Transducer(s) not
connected, miswired or faulty.
Superheat Control selected.
1. EEV closes to prevent possible flood
back.
2. Pressure Sharing Enabled: Average
pressure value from remaining
available pressure transducers is
used for superheat calculation.
Yes
3
No Suction Pressure Transducer
detected on Right Evaporator (S3C
Valve Module pressure input).
2 or 3 Evaporators with multiple
suction pressure transducers
installed in case.
Superheat Control using EEV selected.
Number of evaporators in case greater
than 1. Sensor must be detected on
initial power up to enable alarm.
Pressure Transducer(s) not
connected, miswired or faulty.
Superheat Control selected.
1. EEV closes to prevent possible flood
back.
2. Pressure Sharing Enabled: Average
pressure value from remaining
available pressure transducers is
used for superheat calculation.
Yes
1
No Coil Outlet Temperature sensor
detected on Left Evaporator (S3C
Case Control CO input).
2 or 3 Evaporators installed in case.
Superheat Control using EEV selected.
Number of evaporators in case greater
than 1. Coil Outlet Temperature sensor
not connected, miswired or faulty.
Superheat Control selected.
1. EEV closes to prevent possible flood
back.
Yes
2
No Coil Outlet Temperature sensor
detected on Center Evaporator (S3C
Valve Module CO2 input).
3 Evaporators installed in case.
Superheat Control using EEV selected.
Three evaporators in case. Coil Outlet
Temperature sensor not connected,
miswired or faulty.
Superheat Control selected.
1. EEV closes to prevent possible flood
back.
Yes
3
No Coil Outlet Temperature sensor
detected on Right Evaporator (S3C
Valve Module CO1 input).
2 or 3 Evaporators installed in case.
Superheat Control using EEV selected.
Two or Three evaporators in case.
Coil Outlet Temperature sensor not
connected, miswired or faulty.
Superheat Control selected.
1. EEV closes to prevent possible flood
back.
Yes
1
No Defrost Termination Temperature
sensor detected on Left Evaporator
(S3C Case Control DF input).
2 or 3 Evaporators installed in case.
Discharge Air Temperature not
selected for Air Defrost termination.
Defrost Termination Temperature
sensor not connected, miswired or
faulty.
Defrost terminates on selected time. Yes
d2
No Defrost Termination Temperature
sensor detected on Center Evaporator
(S3C Valve Module DF2 input).
2 or 3 Evaporators installed in case.
Discharge Air Temperature not
selected for Air Defrost termination.
Defrost Termination Temperature
sensor not connected, miswired or
faulty.
Defrost terminates on selected time. Yes
d3
No Defrost Termination Temperature
sensor detected on Right Evaporator
(S3C Valve Module DF1 input).
2 or 3 Evaporators installed in case.
Discharge Air Temperature not
selected for Air Defrost termination.
Defrost Termination Temperature
sensor not connected, miswired or
faulty.
Defrost terminates on selected time. Yes

No Return Air Temperature sensor
detected on S3C Case Control RA
input.
Sensor must be detected on initial
power up to enable alarm.
Return Air Temperature sensor not
connected, miswired or faulty.
Yes
d1
No Discharge Air (DA) Temperature
sensor detected on Left Evaporator
(S3C Case Control DA input).
2 or 3 Evaporators installed in case.
Sensor must be detected on initial
power up to enable alarm.
Discharge Air Temperature sensor not
connected, miswired or faulty.
EEPR Temperature control selected.
1. Single case in line-up. One
DA sensor connected to S3C
Case Controller: EEPR moves to
calculated “fault” position.
2. Multiple cases in line-up or
evaporators with Discharge
Air sensors available: Average
temperature value from remaining
available sensors is used for control.
Yes