Honeywell ST7800 A 1013 prepurge

Honeywell ST7800B prepurge tuner controls burner safety with adjustable prepurge timing of 2, 7, 10, or 20 seconds. This EC7800 series module fits combustion management systems requiring flame-safeguard protection…

SKU 3G-CBM-04227

Also listed as: HON 07308 · HON-07308

Brand

Honeywell

Item

ST7800 A 1013 prepurge

Local availability & support — the Philippines

Delivery: 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment: Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to: Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Honeywell

type

Prepurge tuner 

model

ST7800B 

series

EC7800

prepurge timing options

2 sec, 7 sec, 10 sec, 20 sec 

Datasheet Content

Honeywell


                    EC7800 SERIES
         ST7800B Plug-In Purge Thner
                            Application
   The ST7800B Plug-in Purge Tuner provides the prepurge
timing for the EC7800 SERIES Relay Module.

           ST7800B
   Order Specification Number         Prepurge Timing
         ST7800B1004                        2 sec.
         ST7800B1012                       7 sec.
         ST7800B1020                       10 sec.
         ST7800B1038                       20 sec.
         ST7800B1046                       30 sec.
         ST7800B1053                       40 sec.
         ST7800B1061                       60 sec.
         ST7800B1079                       90 sec.            5. Reinstall the Keyboard Display Module, Oust Cover,
         ST7800B1087                      2.5 min.         DATA CONTROLBUS MODULETM or Remote Reset
         ST7800B1095                       5 min.
                                                           Module onto the EC7800 Series Relay Module and restore
         ST7800B1103                      lOmin.           power to the device. Run the bumer system through at least
         ST7800B1111                      15 min.          one complete cycle to be sure that the system is operating as
         ST7800Bl 129                     22 min.          desired.
         ST7800B1137                      30 min.
                                                              Fig. 1-Purge card installation.

                            Installation
fficAUTION
        Disconnect power supply before installing Purge
        Timer to prevent electrical shock or equipment
        damage. More than one power supply disconnect
        may be involved.

   1. Remove the Keyboard Display Module, Oust Cover,
DATA CONTROLBUS MODULE™ or Remote Reset
Module.
   2. Remove the current ST7800B (if installed) from the
EC7800 SERIES Relay Module by pulling upward on the
plastic support cover, see Fig. 1.
   3. Make sure that the new ST7800B selected bas the
desired liming period.
   4. Properly orient the plug-in purge timer with the
opening in the Relay Module, and insert the Purge Card
into the opening of the Relay Module compartment, see
Fig. l .

                                                   A. G. • 9-93 • ©Honeywell Inc. 1993 • Form Number 65-0167

Technical Documents

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Technical Document 1

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Honeywell Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

Where can I buy a Honeywell ST7800B prepurge tuner in the Philippines?

Order the Honeywell ST7800B from 3G Electric Philippines. We deliver to Manila, Quezon City, and throughout CALABARZON. 3G Electric handles Bureau of Customs documentation, logistics, and PHP invoicing for seamless procurement.

What lead time should I expect for the Honeywell ST7800B?

Lead time on request. Contact 3G Electric Philippines for current availability and delivery schedule to your site. We source globally and manage all customs clearance to ensure fast, reliable delivery.

What prepurge timing options does the ST7800B offer?

The Honeywell ST7800B provides four selectable prepurge timing options: 2 seconds, 7 seconds, 10 seconds, or 20 seconds. Choose the setting that matches your burner safety sequence requirements in the EC7800 combustion management system.

Used in

Common applications for Honeywell

Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection

Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers

Hotel and hospital boiler plants — VR8205 combination gas controls

Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators

Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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