ESC Installation, Operating, and Service Instructions

APPENDIX H – IQ Control System (continued)

Optional Components

System Parts List

Part Number Item Description

102723-01

Outside Reset IQ Option Card, Domestic Hot Water Priority, for use with Option Control Panel, with Outside

Air Temperature Sensor, Instructions, Unit Pack

102294-01 Outdoor Reset IQ Option Card, Domestic Hot Water Priority, for use with IQ Option Panel, less Sensor

102439-01 Outdoor Air Temperature Sensor, 10k ohm

102711-01

LWCO IQ Option Card kit, Hot Water LF Module, Automatic Reset, for use with Option Control Panel, with

Probe, ¾ inch NPT, Instructions, Unit Pack

102714-01

LWCO IQ Option Card kit, Hot Water LF Module, Manual Reset, for use with Option Control Panel, with Probe,

¾ inch NPT, Instructions, Unit Pack

102305-01 LWCO Probe, ¾ inch NPT

102720-01

Aquastat IQ Option Card, 130-220 Deg F, Manual Reset for use with Option Control Panel, Temperature

Sensor, Well, Sensor Clip, Instructions, Unit Pack

102717-01

Aquastat, IQ Option Card, 130-220 Deg F, 15 Deg F Adjustable Differential, Auto Reset, for use with Option

Control Panel, Temperature Sensor, Well, Sensor Clip, Instructions, Unit Pack

102292-01 Aquastat IQ Option Card, 130-220 Deg F, Manual Reset for use with IQ Option Panel, less well, Less Sensor

102293-01

Aquastat, IQ Option Card, 130-220 Deg F, 15 Deg F Adjustable Differential, Auto Reset, for use with IQ Option

Panel, less Well, less Sensor

102295-01 Limit Rated Temperature Sensor, 36 inch length

102296-01 Limit Rated Temperature Sensor, 48 inch length

102728-01

IQ LCD Display, Boiler Exterior Mounted, STN Monochrome, White/Red backlight, 5Vdc Power Supply,

RS422 (RS485) Communication, Pure Black Bezel with Gateway, Wire Harness, Mounting Bracket, ESC Logo

Plates and Instructions

102725-01

IQ LCD Display, Boiler Exterior Mounted, STN Monochrome, White/Red backlight, 5Vdc Power Supply,

RS422 (RS485) Communication, Pure Black Bezel

102495-01

Enviracom/Modbus RS422 Gateway and 5 Vdc Power Supply for Communication Between the IQ Controls

and LCD Display, 24 Vac Power Supply Input

Additional Information List

Aquastat IQ Option Card Instruction Sheet - part number 103589-01

Outdoor Reset IQ Option Card Instruction Sheet - part number 103590-01

Low Water Cut-off IQ Option Card Instruction Sheet - part number 103591-01

LCD Display Kit - part number 103592-01

U.S. Boiler Company, Inc.

P.O. Box 3020

Lancaster, PA 17604

1-888-432-8887