Munchkin 399M manual Table of Contents

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TABLE OF CONTENTS

TABLE OF CONTENTS

PART 1 . . . . . . . . . . . . . . . . . . . . . .4 thru 6

GENERAL INFORMATION

A How It Operates . . . . . . . . . . . . . . . . . .4

BMunchkin Ratings and Dimensions .4–5

C

Pre-installation Requirements

.5

D

Pressure Relief Valve

.6

PART 2 . . . . . . . . . . . . . . . . . . . . . .6 thru 8

ELECTRICAL

A Electrical Connection . . . . . . . . . . . . . .6

PART 3 . . . . . . . . . . . . . . . . . . . . .8 thru 10

GAS CONNECTION

A Gas Connection . . . . . . . . . . . . . . . . . . .9

B Gas Piping . . . . . . . . . . . . . . . . . . . . . . .9

C Gas Table . . . . . . . . . . . . . . . . . . . . . . . .9

PART 4 . . . . . . . . . . . . . . . . . . . .11 thru 17

VENTING

A Approved Venting Materials . . . . . . . .11

BVenting the Munchkin in

4” or 6” Plastic Pipe . . . . . . . . . . . . . .11

CLonger Vent Runs Using a

Combination of 4” to 6” Pipe . . . . . . .14

DHeater Removal from a

Common Vent System . . . . . . . . . . . .15 E Condensate Requirements . . . . . . . . .17

PART 5 . . . . . . . . . . . . . . . . . . . .17 thru 28

PIPING

AHydronic piping with

Circulators or Zone Valves . . . . . . . . .17 B Circulator Sizing . . . . . . . . . . . . . . . . .18 C Fill and Purge Heating System . . . . . .19 D Piping Illustrations . . . . . . . . . . . . .20–28

PART 6 . . . . . . . . . . . . . . . . . . . .29 thru 32

START UP PROCEDURES

AItems to be checked before

lighting the Munchkin . . . . . . . . . . . . .29 B Lighting Instructions . . . . . . . . . . . . . .29 C Operating Instructions . . . . . . . . . . . .30

DAdjusting the Temperature

on the Munchkin Display . . . . . . . . . .30 E Status Menu . . . . . . . . . . . . . . . . . . . .31 F Test Mode . . . . . . . . . . . . . . . . . . . . . .31 G To Turn Off Gas to Appliance . . . . . . .31

PART 7 . . . . . . . . . . . . . . . . . . . .32 thru 36

SERVICING

A Sequence of operation . . . . . . . . . . . .32

BMunchkin Temporary

Fault Condition . . . . . . . . . . . . . . . . . .32

CMunchkin Fault Requiring

Manual Reset . . . . . . . . . . . . . . . . . . .34

PART 8 . . . . . . . . . . . . . . . . . . . .37 thru 41

MAINTENANCE

A Maintenance Procedures . . . . . . . . . .37 B Before Each Heating Season . . . . . . .37

CCondensate Cleaning Instructions . . .37

DCombustion Chamber

Coil Cleaning Instructions . . . . . . . . . .38 E Munchkin Controller . . . . . . . . . . . . . .39

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Contents What to do if YOU Smell GAS Munchkin High Efficiency 399M Commercial BoilerUsing this Manual Using this ManualTable of Contents HOW IT Operates Munchkin Ratings and DimensionsPart 1. General Information General InformationDimensions PRE-INSTALLATION Requirements Electrical Connection Part 2. ElectricalGeneral Information / Electrical Pressure Relief ValveElectrical Electrical / GAS Connection Part 3. GAS ConnectionGAS Table GAS ConnectionGAS Connection GAS PipingMunchkin Burnertech GAS Valve Combustion SettingsVenting the Munchkin in 4 or 6 Plastic Pipe Part 4. VentingVenting Approved Venting MaterialsVenting Important Note Fittings or Piping Equivalent Feet Longer Vent Runs Using a Combination 4 to 6 PipeHeater Removal from a Common Vent System Diagrams for Sidewall VentingDiagram for Vertical Venting Hydronic Piping with Circulators or Zone Valves Part 5. PipingVenting / Piping Condensate RequirementsCirculator Sizing PipingFill and Purge Heating System Piping Illustrations Piping Symbol LegendZone valves Make-up water Zone valves Mixing valve Zone valves Make-up water Piping Space heating zone circuit Zone Circulators Make-up water PB1 PB2 PB1 PB2 Lighting Instructions Part 6. START-UP ProceduresSTART-UP Procedures Items to be Checked Before Lighting the MunchkinOperating Instructions Adjusting the Temperature on the Munchkin DisplayTest Mode Status MenuTo Turn OFF GAS to Appliance Sequence of Operation START-UP Procedures / ServicingMunchkin Temporary Fault Condition Part 7. ServicingServicing Munchkin Fault Requiring Manual ResetServicing Remedy Call Factory for further assistance Resistance Tables Maintenance Part 8. MaintenanceLeaks Munchkin Controller Control Wiring LayoutMaintenance Maintenance Page Page Heat Transfer Products, Inc LP-121 REV /20/04
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