Install Instructions
5
Congratulations on your purchase of a new ESC™ boiler—designed and constructed to provide you with
years of reliable service.
• Cast iron heat exchanger – for reliability and durability, nothing beats a cast iron heat exchanger.
• IQ Control™ System – the most advanced and easiest to use control available.
• System-friendly – built-in protection from condensation and thermal shock.
1. ESC™ Boiler
2. Circulator & Gasket Kit
q Taco 007-2 (8056170)
qGrundfos UP-15 (105654-01)
qGrundfos Alpha (104935-01)
qB & G NRF-22 (8056174)
3. Miscellaneous Parts Carton
Cartons Include:
(1) Safety Relief Valve, Set at 30 PSI
(1) Pressure/Temperature Gauge
(1) Water Manifold
(1) Circulator Harness
(1) Vent Connector
(1) Vent Terminal (tee required 6-9 products)
(1) Air Intake Terminal
(1) Drain Valve
4. Instruction Envelope (103787-01)
q Instruction & Operation Manual
(103788-05)
q Warranty Sheet (103203-02)
What's in the crate?
*IQ Control System Overview
ESC Boiler uses a microprocessor based control system called the "IQ Control System". This "IQ Control
System" consists of an Intelligent Hydronic Control Control (Control) and an IQ Option Panel (Option
Panel) with optional "plug-in" IQ Option Cards (Option Card). The IQ Control System fully integrates both
factory and eld installed components, simplifying installation and troubleshooting. The IQ Control System
is designed to efciently operate the entire boiler system to save energy, installation and setup time while
ensuring adequate supply of heat and domestic hot water.