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Heat-Timer  | SKU: 926825-00

926825-00 | Heat-Timer | Model PLL (Pump Lead Lag)

HeatTimer PLL Pump Lead-Lag Control for 2 and 3-Pump Systems 926825-00
$728.57 $1,088.00
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Description

The PLL control is a lead pump rotation control. It operates in multiple modes that satisfy many single or multiple pump applications. It is designed to run and power up to three pumps. In addition, it connects to flow switches to check for pump flow and activate the alarm outputs when needed.

Product Specifications

Name Value
Category Heating Control Systems
Data Sheet Download PDF
Display name 1 Data Sheet
Display name 2 Installation Instructions
Features and benefits Pump Exercise - The Pll Can be Used to Lubricate Seals on Wet Seal Pumps and Prevent Pump Seizure After Long Inactive Periods. It Does that by Running any Pump for a Few Seconds If that Pump was Inactive for an Extended Period | Alarm and Flow Check - The Pll Changes the Lead Pump on Flow Failure. In Addition, It Triggers the Pumps Alarm and Excludes that Pump from Rotation and Activation Until the Alarm Reset is Pressed | Boiler Feed Systems - In this Mode, The Pll Operates Boiler Pumps in a Two-Boiler System. An Auxiliary Pump is Used to Replace any Failed Boiler Pump. The Pll will also Activate a Solenoid Valve to Direct the Flow to the Newly Activated Pump | Rotation - The PLL Offers Three Different System Pump Rotation Modes that Include Flow Checking and Alarming. The PLL has Built-in Lead Pump Timed Rotation and Alternate Rotation. The Timed-Rotation Offers Two Options, 1 Day and 7 Days Rotation. 2-Pump 1-Call/1-Flow, 2-Pump 2-Call/1-Flow (VFD Pumps), 3-Pump 1-Call/1-Flow
Most popular Yes
P21 delete flag false
Product category Relays & Contactors
Product subcategory Heating Control Systems
Restricted class id NULL
Restricted item false
Series Heat-Timer
Short desc HeatTimer PLL Pump Lead-Lag Control for 2 and 3-Pump Systems 926825-00
Supplier part number 926825-00
Ultra store sync us Yes
Vendor active Y

Features and Benefits

Pump Exercise - The Pll Can be Used to Lubricate Seals on Wet Seal Pumps and Prevent Pump Seizure After Long Inactive Periods. It Does that by Running any Pump for a Few Seconds If that Pump was Inactive for an Extended Period | Alarm and Flow Check - The Pll Changes the Lead Pump on Flow Failure. In Addition, It Triggers the Pumps Alarm and Excludes that Pump from Rotation and Activation Until the Alarm Reset is Pressed | Boiler Feed Systems - In this Mode, The Pll Operates Boiler Pumps in a Two-Boiler System. An Auxiliary Pump is Used to Replace any Failed Boiler Pump. The Pll will also Activate a Solenoid Valve to Direct the Flow to the Newly Activated Pump | Rotation - The PLL Offers Three Different System Pump Rotation Modes that Include Flow Checking and Alarming. The PLL has Built-in Lead Pump Timed Rotation and Alternate Rotation. The Timed-Rotation Offers Two Options, 1 Day and 7 Days Rotation. 2-Pump 1-Call/1-Flow, 2-Pump 2-Call/1-Flow (VFD Pumps), 3-Pump 1-Call/1-Flow

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