Specification Sheet

Option (d)
of the EE type electronic control system which provides electric ignition of electronic pilot, 100%
shut-off, intermittent pilot flame operation, 0.8 second flame response time, 15 second safety switch
timing and shall include:
(insert for 6 thru 14 section boilers): (1) Honeywell RA890-F protectorelay, (1) pilot assembly, (1)
pilot gas valve, (1) ignition transformer.
(insert for 15 thru 26 section boilers): (2) Honeywell RA890-F protectorelays, (2) pilot assemblies
(2) pilot gas valves, (2) ignition transformers.
Option (e)
of the EP type electronic control system which provides electric ignition, 100% shut-off, intermittent
pilot flame operation, 0.8 second flame response time, 15 second safety switch timing and shall include:
(insert for 6 thru 14 section boilers): (1) factory prewired electronic control panel each including:
Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch and light,
flame failure light and terminal strip; (1) pilot assembly, (1) pilot gas valve, (1) ignition transformer.
(insert for 15 thru 26 section boilers): (2) factory prewired electronic control panels each
including: Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch
and light, flame failure light and terminal strip; (2) pilot assemblies, (2) pilot gas valves, (2) ignition
transformers.
Option (f)
of the OP-IRI electronic control system which provides manual ignition, 100% shut-off, continuous
pilot flame operation, electronic supervision of pilot, 0.8 second flame response time, 15 second safety
switch timing and shall include:
(insert for 6 thru 14 section boilers): (1) factory prewired electronic control panel including:
Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch and light,
alarm light and bell to indicate flame failure, purge timer and alarm silencing switch; (1) pilot
assembly, (1) pilot safety switch, (1) gas train shall be furnished as specified herein as option (g).
Paragraph 4.1
(insert for 15 thru 26 section boilers): (2) factory prewired electronic control panels each
including: Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch
and light, alarm light and bell to indicate flame failure, purge timer and alarm silencing switch; (2)
pilot assemblies, (2) pilot safety switches, (2) gas trains shall be furnished as specified herein as
option (g). Paragraph 4.1
Option (g)
of the EP-IRI type electronic control system which provides electric ignition, 100% shut-off,
intermittent pilot flame operation, 0.8 second flame response time, 15 second safety switch timing and
shall include:
(insert for 6 thru 14 section boilers): (1) factory prewired electronic control panel including:
Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch and light,
alarm light and bell to indicate flame failure, purge timer and alarm silencing switch; (1) pilot
assembly, (1) pilot safety switches, (1) gas trains shall be furnished as specified herein as option (g).
Paragraph 4.1
(insert for 15 thru 26 section boilers): (2) factory prewired electronic control panels each
including: Honeywell RA890-F protectorelay, main power on switch and light, gas valve on switch
and light, alarm light and bell to indicate flame failure, purge timer and alarm silencing switch; (2)
pilot assemblies, (2) pilot safety switches, (2) gas trains shall be furnished as specified herein as
option (g). Paragraph 4.1
(NOTE TO SPECIFIER: If the electronic control system above and the gas train suitable for IRI are to be used
and your client’s insurance is covered by IRI insurance, you should obtain prior approval of the equipment to be
furnished in order to avoid conflicts with the IRI inspector after the installation is completed. We suggest the
following paragraph be added.)
4.4 Contractor shall be prepared upon request to submit three (3) copies of wiring diagram, sequence of
operation and schematic of gas train proposed to meet IRI requirements. These drawings must
suitable for submittal to local IRI insurance inspector.