Boiler Company Burnham 3 Series Wiring & Application Manual
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Boiler Company Burnham 3 Series Wiring & Application Manual

Gas boiler controls, brand iq boiler control and intelligent hydronic control systems
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Wiring & Application Guide
ES2™
©2013 U.S. Boiler Company
Gas Boiler Wiring & Application Guide
U.S. Boiler Company
Gas Boiler Controls
Featuring Burnham
and Intelligent Hydronic Control Systems
boiler
control
ESC™
Brand IQ Boiler Control
®
Intelligent
Hydronic Control
Series 3™
1
Series 2™
08/23/13

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  • Page 1 Wiring & Application Guide Featuring Burnham Brand IQ Boiler Control ® and Intelligent Hydronic Control Systems boiler Intelligent control Hydronic Control ES2™ ESC™ Series 3™ Series 2™ ©2013 U.S. Boiler Company Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 2: Table Of Contents

    4.14 Zone Valve Control Heating, IWH w/Aquastat Control, 1 Circulator ..............50 4.15 Zone Switching Relay Heating ..........................51 4.16 Zone Switching Relay Heating, IWH w/TPI Control ....................52 4.17 Zone Switching Relay Heating, IWH w/Aquastat Control ..................53 Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 3: Introduction

    (Gas Boiler System) Combination of IHC and OCP on the boiler “T-T” Thermostat connection terminals Low Voltage Polarity Important Red 24 Vac Hot White (Grey) 24Vac Ground Polarity Not Important Blue wires Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 4: Iq Gas Boiler Control System

    Heater (IWH) demand without the use of additional controls. 140°F –180°F Start Temperature 140°F On – Off Priority Time (DHW) Dh or TT2 DH Terminal Function F or C Degrees F or C Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 5: Single Zone Heating

    1 2 3 1 2 3 T T Thermostat 1 Explanation: This arrangement can be used when an IQ gas boiler is connected to a single zone heating system. • A thermostat wired to the OCP “TT” terminals provide a heating demand and energizes the yellow system wire. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 6 Left T is 24V AC positive 1 2 3 T T Thermostat 1 Explanation: This arrangement can be used with a single zone heating system with a power stealing thermostat • A thermostat wired to the OCP “TT” terminals provide a heating demand and energizes the yellow system circulator wire. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 7 • The IHC parmater “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without at time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI controls. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 8 The TPI control wired to the IHC “1” & “2” terminals provides a DHW demand and energizes the red DHW/Zone circulator wire. • The IHC parmater “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without at time out period. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 9 A Zone-2 thermostat wired to the IHC “1” and “2” terminals provides a Zone-2 demand and energizes the red DHW/Zone circulator wire. • The IHC parameter “dh” must be set to “tt2” and the “Pt” Priority Time parameter is ignored so both circulators can run simultaneously. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 10: Zone Valves Heating

    This arrangement allows the boiler to respond to a space heating demand utilizing Taco 3-wire zone valves. • The zone valve end switches wired to the OCP “TT” Terminals, provide a heating demand, and energize the yellow system circulator wire. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 11 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on” it will prioritize the IWH without a time out period • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 12 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on” it will prioritize the IWH without a time out period • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 13: Zone Valves Heating, Iwh W/Tpi Control, 1 Circulators, No Priority

    • The IHC parameter “dh” must be set to “dh”. There is no priority in this application due to using only one circulator • Wiring the DHW zone valve end switch to the IHC will avoid the boiler temperature delayed start used on heat demand • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 14 • The IHC parameter “dh” must be set to “dh”. There is no priority in this application due to using only one circulator. • Wiring the DHW zone valve end switch to the IHC will avoid the boiler temperature delayed start used on heat demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and IHC. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 15 • The IHC parameter “dh” must be set to “dh”, and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI Control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 16 • The IHC parameter “dh” must be set to “dh”, and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 17: Zone Valve Control Heating, Iwh W/Tpi Control, 1 Circulator

    • The IHC parameter “dh” must be set to “dh”. There is no circulator priority in this application due to using only one circulator. • Wiring the zone valve control “zone pump 3 end switch” to DHW terminals will avoid the boiler temperature delayed start used on heat demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the TPI Control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 18: Zone Valve Control Heating, Iwh W/Aquastat Control, 1 Circulator

    DHW/Zone circulator wire. • The IHC parameter “dh” must be set to “dh”. There is no circulator priority in this application due to using only one circulator. • Wiring the zone valve control “zone pump 3 end switch” to DHW terminals will avoid the boiler temperature delayed start used on heat demand. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 19: Zone Switching Relay Heating

    Left “T” is 24V AC positive Explanation: This arrangement allows the boiler to respond to heating demands and control all the circulators from a zone switching relay. • The zone control end switch wired to the OCP “TT” Terminals, provide a heating demand, and energizes the yellow system circulator wire. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 20: Zone Switching Relay Heating, Iwh W/Tpi Control

    • The IHC parameter “dh” must be set to “dh”, and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI Control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 21: Zone Switching Relay Heating, Iwh W/Aquastat Control

    • The IHC parameter “dh” must be set to “dh”, and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 22 A simple click is all it takes to add the these great features: • Adjustable reset ratio • Selectable & Adjustable Temperature Boost • Domestic Hot Water Set Point • Selectable, Adjustable Domestic Priority • Selectable, Adjustable Domestic Priority Protection • Built-In Diagnostics display error codes on LED display • Can be easily by-passed for service or diagnostics • Settings and status is displayed on IQ Option Panel • Adjustments made right on the boiler Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 23 Adjust Mode. • When all 3 buttons are held down for 3 seconds, the Option Panel will enter the Adjust Mode and an underscore will be displayed. • If no keys are pressed, after 5 minutes the Option Panel will automatically return to the View Mode. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 24 7. Continue to press the “I” button until “bAc” is displayed 8. Press an arrow key to leave the parameter adjust mode. You can stop at any parameter and make changes if needed. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 25 Left “T” is 24V AC Positive Thermostat 1 Explanation: This arrangement can be used when an IQ Gas Boiler is connected to a singe zone heating system • A thermostat wired to the OCP “TT” terminals provide a heating demand and energizes the yellow system circulator wire. • The IQ Outdoor Reset Option Card will raise or lower the heating system water temperature setpoint based on measured outside air temperature. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 26: Single Zone Heating, Iwh W/Tpi Control

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI Control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 27: Single Zone Heating, Iwh W/Aquastat Control

    • The IHC parameter “dh” must be set to “dh” • Priority time (Pt) on the ODR card must be set > “0”. See instructions on page 24. • The IQ Outdoor Reset Option Card will raise or lower the heating system water temperature setpoint based on measured outside air temperature and will be overridden on a DHW demand. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 28: Zone Valves Heating, Iwh W/Tpi Control, 2 Circulators

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI Control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 29: Zone Valves Heating, Iwh W/Aquastat Control, 2 Circulators

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 30 DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and the TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 31 DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 32: Zone Valve Control Heating, Iwh W/Tpi Control, 2 Circulator

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 33 • The IHC parameter “dh” must be set to “dh”. • Priority time (Pt) on the ODR card must be set > “0”. See instructions on page 24. • The IQ Outdoor Reset Option Card will raise or lower the heating system water temperature setpoint based on measured outside air temperature and will be overridden on a DHW demand. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 34: Zone Valve Control Heating, Iwh W/Tpi Control, 1 Circulator

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and the TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 35: Zone Valve Control Heating, Iwh W/Aquastat Control, 1 Circulator

    • The IHC parameter “dh” must be set to “dh”. Priority time and DHW setpoint can be st on the IQ Outdoor Reset Option Card. • Wiring the zone valve control “zone pump end switch” to DHW terminals will avoid the boiler temperature delayed start used on heat demand and provides a DHW setpoint. • The IQ Outdoor Reset Option Card will raise or lower the heating system water temperature setpoint based on measured outside air temperature and will be overridden on a DHW demand. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 36: Zone Switching Relay Heating, Iwh W/Tpi Control

    DHW demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 37: Zone Switching Relay Heating, Iwh W/Aquastat Control

    • When the zone valve control “zone pump end switch” to DHW terminals will avoid the boiler temperature-delayed start used on heat demand and provides a DHW setpoint. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the OCP. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 38: Single Zone Heating, Power Stealing Thermostat

    1 2 3 Thermostat 1 Explanation: This arrangement can be used when an IQ gas boiler is connected to a single zone heating system with a power stealing thermostat • A thermostat wired to the IHC “TT” terminals provide a heating demand and energizes the yellow system circulator wire. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 39 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 40 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 41: Two Zones Heating

    A Zone 2 thermostat wired to the IHC “1” & “2” terminals provides a Zone 2 demand and energizes the res DHW/Zone circulator wire. • The IHC parameter “dh” must be set to “tt2” and when the “Pt” Priority Time parameter is ignored so both circulators can run simultaneously. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 42: Zone Valves Heating

    This arrangement allows the boiler to respond to a space heating demand utilizing Taco 3-wire zone valves • The zone valve end wired to the IHC “TT” wires provide a heating demand and energizes the yellow system circulator wire. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 43: Zone Valves Heating, Iwh W/Tpi Control, 2 Circulators

    • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 44: Zone Valves Heating, Iwh W/Aquastat Control, 2 Circulators

    • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 45: Zone Valves Heating, Iwh W/Tpi Control, 1 Circulators, No Priority

    • The IHC parameter “dh” must be set to “dh” and when the “Pt”. There is no priority in this application due to using only one circulator. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 46: Zone Valves Heating, Iwh W/Aquastat Control, 1 Circulators, No Priority

    • The IHC parameter “dh” must be set to “dh” and when the “Pt”. There is no priority in this application due to using only one circulator. • Wiring the DHW zone valve end switch to the IHC will avoid the boiler temperature delayed start used on heat demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 47 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 48 • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the IHC control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 49: Zone Valve Control Heating, Iwh W/Tpi Control, 1 Circulator

    • The IHC parameter “dh” must be set to “dh”. There is no circulator priority in this application due to using only one circulator. • Wiring the zone valve control “zone pump 3 end switch” to DHW terminals will avoid the boiler temperature delayed start used on heat demand. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid possible damage to the TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 50: Zone Valve Control Heating, Iwh W/Aquastat Control, 1 Circulator

    Zone circulator wire. • The IHC parameter “dh” must be set to “dh”. There is no circulator priority in this application due to using only one circulator. • Wiring the zone valve control “zone pump 3 end switch” to DHW terminals will avoid the boiler temperature delayed start used on heat demand. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 51: Zone Switching Relay Heating

    120V AC PRIORITY SR 503-4 Explanation: This arrangement allows the boiler to respond to heating demands and control all the circulators from a zone switching relay. • The zone switching relay end switch wired to the IHC “TT” wires provides a heating demand and energizes the yellow system circulator wire. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 52: Zone Switching Relay Heating, Iwh W/Tpi Control

    • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. • CAUTION: Proper polarity must be maintained on the red and white wires to avoid damge to the IHC and TPI control. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

  • Page 53: Zone Switching Relay Heating, Iwh W/Aquastat Control

    • The IHC parameter “dh” must be set to “dh” and when the “Pt” Priority Time parameter is set to “on”, it will prioritize the IWH without a time out period. Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 54 NOTES Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 55 NOTES Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...
  • Page 56 UNMATCHED ANYWHERE www.usboiler.net Gas Boiler Wiring & Application Guide 08/23/13 U.S. Boiler Company...

This manual is also suitable for:

Burnham 2 seriesBurnham es2Burnham esc

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