Prism
The PRISM® is an affordable primary-secondary pump end suction system concept. Prepackaged, fully tested, certified before shipping to your site. PRISM® systems can handle chiller capacities from 100 to 1,000 tons, boiler capacities from 2,000 to 20,000 MBH and typical system flow rates of up to 2,000 GPM.
Typical equipment includes:
- Flex-Coupled End Suction Pumps
- Premium Efficiency Motors
- Multipurpose Valves on Primary Pumps
- Suction Diffusers on All Pumps
- Butterfly Valve Isolation Valves
- Control by 1 Flow Transmitter (by SFI) and up to 4 Differential Pressure Inputs
- Individual Motor and VSD Circuit Protection
- Factory Assembled - not a Kit
- Factory Flow Tested at Design Conditions
Mechanical Options:
- Spring Isolators for Skid
- Hoist for Pump and Motor Service
- Integrated Air Separator/Bridge/Building Loop Return
- Witnessed Flow Test
Standard Panel features:
- Control by 1 Flow Transmitter and up to 4 Differential Pressure Inputs
- PLC Logic Control
- 40 Character 2 Line Operator Interface
- Alarm History Function
- BAS Outputs Indicating Secondary Loop Flow, Individual VSD Speeds, Individual Pump Run Contacts, Individual Pump Fail Contacts, General Alarm Contact
- VFD Secondary Pump Control w/A-T-L Bypass
- Individual Motor and VSD Circuit Protection
Panel Options:
- Additional Pressure Inputs (16 max.)
- Additional Analog Outputs (8 max.)
- Upgrade to Hot-Tap Paddlewheel Flow Transmitter. 1 ft. Shielded Cable
- KW Display
- Best Efficiency Sequencing
- Wire-to-Water Efficiency Sequencing
- System Load Display
- Individual Pump Fail Alarm Circuits
- Gauge Panel with Supply, Return, and Individual Pump Pressure Gauges
