3
WARNINGS
WARNING:
Improper installation, adjustment,
alteration, service, or maintenance can cause
property damage, personal injury or loss of life.
Refer to the user's information manual provided with
the heater. Installation and service must be
performed by a qualified installer, service agency, or
the gas supplier.
WARNING:
Risk of electrical shock. More than one
disconnect switch may be required to de-energize
the equipment before servicing.
WARNING:
When servicing or replacing any
components of the control system within this unit, be
certain that:
• The gas is off.
• All electrical power is disconnected.
Table Of Contents
WARNINGS...........................................................3
Introduction............................................................4
VERSA
®
Control Board.........................................4
VERSA
®
Display Board ........................................5
VERSA
®
PIM™ Module ........................................6
Quick Start Set-Up and Programming Tips...........8
Application & Modes .............................................9
Boiler Applications.................................................9
Hydronic Mode 1...................................................10
Hydronic Mode 2...................................................15
Hydronic Mode 3...................................................21
Water Heater Applications.....................................27
Pool Heater Applications.......................................32
VERSA IC
®
Control Menus ..................................36
Control Settings.....................................................41
Cold Water Protection (CWP) ...............................43
Heater Rotation.....................................................46
Sequence of Operation .........................................48
Wiring Connections – PIM™.................................50
Wiring Connections – VERSA IC
®
Control............55
Energy Management System Setup .....................56
Cascade Set-up and Operation ............................57
“Limp-Along” Operation of PIM™..........................62
Troubleshooting.....................................................63
Technical Data.......................................................66
Resetting VERSA
®
to Factory Defaults ................67
Resetting PIM™ to Accept New ID Card ..............67
Modbus Communication Values............................69
Table Of Figures....................................................76
List Of Tables ........................................................77
Summary of Contents for VERSA IC
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