HEATEC Firestorm Maintenance Manual

Hide thumbs

Table of Contents

Quick Links

Download this manual

HEATEC

CONTENTS

Safety .......................................................................... 1

Scope .......................................................................... 1

Intended users ............................................................ 2

Calcium clean-out ....................................................... 2

Cleaning strainers ....................................................... 4

Freeze protection ......................................................... 4

Checking water level switches .................................... 5

Checking the flame scanner ........................................ 7

Checking pilot gas pressure regulator ......................... 7

Checking high fuel gas pressure switch ...................... 7

Checking low fuel gas pressure switch ....................... 8

Checking high flue gas stack temperature switch ....... 8

Checking auxiliary contacts for water pump motor ..... 9

Checking auxiliary contacts for combustion

air motor ................................................................ 9

Checking low combustion air switch ......................... 10

Maintenance schedule ............................................... 12

SAFETY

Carefully following safety instructions in this docu-

ment will help you avoid serious injury or death. Read

instructions for each topic in their entirety before actu-

ally doing the work. Pay special attention to hazard

warnings that appear herein and on the heater. These

warnings identify known hazards, their severity and

how you can avoid them.

Warnings also appear at appropriate places in the

instructions.

Please be aware that if you deviate from the instruc-

tions, you could create unforeseen safety hazards. You

should perform step-by-step instructions in the order

given.

MAINTENANCE

Firestorm™ water heaters

TEC-NOTE

Figure 1. Heatec Firestorm heater.

SCOPE

This document provides instructions for maintain-

ing Firestorm water heaters (Fig. 1). It also pro-

vides instructions on how to check various devices

in case you need to make sure they are working

properly.

Failure to heed certain recommendations may re-

sult in damage to the heater and/or shorten its life.

The components covered are mainly those that can

cause heater malfunctions when they go bad, need

cleaning, or get out of adjustment.

Because of differences in heaters, some instruc-

tions may not apply to your heater.

Publication 1-10-218

Table of Contents

Need help?

Do you have a question about the Firestorm and is the answer not in the manual?

Questions and answers

Summary of Contents for HEATEC Firestorm

Page 1: Table Of Contents
This document provides instructions for maintain- Carefully following safety instructions in this docu- ing Firestorm water heaters (Fig. 1). It also pro- ment will help you avoid serious injury or death. Read instructions for each topic in their entirety before actu- vides instructions on how to check various devices ally doing the work.
Page 2: Intended Users
INTENDED USERS As you continue to check packing at regular inter- vals you should also watch for other symptoms of Instructions in this document are intended for use calcium buildup. by qualified operators and maintenance personnel. One symptom is the inability to heat the water to Some procedures require setting and testing parts inside the heater electrical control panel while it is the desired temperature as you have in the past.
Page 3 AD. Inlet water pressure gauge I. High-high water level switch T. Manual outlet water valve AE. Secondary water connection J. High water level switch U. Burner AF. Exhaust stack connection Figure 3. Location of components on Firestorm heater. Publication 1-10-218 Page 3...
Page 4: Cleaning Strainers
Be sure to protect your heater from freezing if it is CLEANING STRAINERS located where temperatures remain below freezing All Firestorm heaters have an inlet water Y-strainer for several hours while not running. Otherwise wa- (Z, Fig. 3). Some also have an outlet water Y- ter in the heater could freeze and cause extensive strainer (P, Fig.
Page 5: Checking Water Level Switches
Note: Earlier panel marking FIREYE FLAME MONITOR is now BURNER DISPLAY Figure 4. Components outside the control panel. One way to protect it from freezing is to drain all • Pump won’t run water from the heater shell, float chamber, piping, •...
Page 6 A. Voltage label H. Control transformer B. PLC (Programmable Logic Controller) I. Circuit breakers and fuse blocks C. Fireye burner management control YB110 J. Blower motor controller D. Terminals and relays K. Water pump motor controller E. Alarm strobe light L.
Page 7: Checking The Flame Scanner
CHECKING THE FLAME SCANNER 5. Wait for the burner display (Fig. 4) to show . Quickly place the words IGNITION TIMING switch (Fig. 4) is 1. Make sure that the BURNER the switch marked on bottom CHECK/RUN set to of Fireye burner control (C, Fig. 5) to the 2.
Page 8: Checking Low Fuel Gas Pressure Switch
CHECKING HIGH FLUE GAS STACK • Fireye burner display should read LOCKOUT 3-P INTLK OPEN TEMPERATURE SWITCH Re-adjust the high pressure switch to its previous WARNING position and reset its manual reset button. Reinstall Do not touch the exposed terminals (FIG. 12) its cover.
Page 9: Checking Auxiliary Contacts For Water Pump Motor
CHECKING AUXILIARY CONTACTS FOR WATER PUMP MOTOR With the burner operating, trip the breaker discon- nect for the water pump motor (G, Fig. 15). This should cause its auxiliary contacts (E, Fig. 15) to open. The following reactions should occur, indicating that the contacts are operating properly: 1.
Page 10: Checking Low Combustion Air Switch
CHECKING LOW COMBUSTION AIR 2. Pull out the blue plunger on the module and hold it out to close its contacts. SWITCH 3. Restart the burner. The COMB. AIR/ ALL LIMITS light (Fig. 4) should come on almost MADE immediately. 4.
Page 11 A. Breaker auxiliary contacts for combustion air blower motor B. Breaker disconnect for combustion air blower motor C. Contactor for combustion air blower motor D. Auxiliary contacts for combustion air blower motor E. Auxiliary contacts for water pump motor F. Contactor for water pump motor G.
Page 12: Maintenance Schedule
Check strainers to ensure they are not clogged. Have exhaust stack gases analyzed and have burner tuned by a specialist Heatec, Inc. 5200 Wilson Road Chattanooga, Tennessee 37410 www.heatec.com (423) 821-5200 (800) 235-5200 Fax (423) 821-7673 Publication 1-10-218 Page 12...