Quick-Check-PowerSaver Manifold 6 Port South-Tek Systems
Revision: 0
Revision Date: 8/2/17
Page 11 of 30
taken place during transit. Save the packaging material, as it may be necessary to return the Quick-Check in event of
shipping damage. If any components are found to be damaged, the carrier should be notified immediately. The
individual pieces should be checked against the packing list. If any discrepancy is found, contact your local distributor
or South-Tek Systems at (888) 526-6284. Please include the model number and the serial number with all
correspondence.
The Quick-Check-PowerSaver Manifold 6 Port key features include the following:
- Programmable Logic Controller (PLC) with HMI
- Dry Contact Alarm Relay
- Pre-Filter
- O
2
Analyzer
- Gas Input Solenoid Valves on a Manifold
- Exhaust Valve
- 110-220VAC to 24VDC power converter
Programmable Logic Controller (PLC) with HMI
The device is setup with a 24 VDC power converter that will accept either 110 or 220 VAC power supply. The PLC has
a built in 3.5” color touchscreen with 1MB of logic memory, 3MB for images, and 512K bytes for fonts. It has a logic
application scan time of 15 microseconds per 1Kbytes of application code.
Dry Contact Alarm Relay
Each Quick-Check-PowerSaver Manifold features a dry contact to send an alarm signal to the Building Management
System (BMS). If the purity status goes above the allowable percent of O
2
or if the flow sensor is not receiving a signal
on any one zone or more, then the alarm on the unit will trip and engage the Dry Contact Relay.
Pre-Filter
The Pre-Filter consists of a filter bowl and particulate filter element with a 5 microns rating that will catch any particles
coming from the fire system pipes and protect the O
2
sensor. The filter features an auto-drain that can be plumbed
to a safe location. The pre-filter is used to remove harmful contaminates in the gas streams that may reduce the life
of the O
2
cell. Based on the quality of gas going through the filter, the filter may be required to be changed out more
often than the factory recommended replacement date.
O
2
Analyzer
The O
2
Analyzer is used to detect the O
2
content of each Zone. It is a galvanic cell type that implements a weak acid
electrolyte and is unaffected by CO
2
, CO, and NOx. It has a response time of 25 seconds or less and will respond to a
90% step change in Oxygen concentration within 15 seconds or better. The output from the O
2
sensor is a 10mV to
15.5mV signal that is sent to the PLC. The signal from the O
2
sensor is digitized on the PLC by a 10-bit analog to
digital converter and calibrated to known O
2
calibrated sources.
Gas Input Solenoid Valves on a Manifold
The bank of solenoid valves on a manifold is located
on the outside bottom of the cabinet. Each Zone’s
sample (from the “AutoPurge System”) will be
connected to each solenoid valve. Each valve is
Figure 2: Zone Manifold Layout
