Operating instructions

TABLE OF CONTENTS

PART 1

GENERAL INFORMATION

1-A. HOW IT OPERATES ......................................................... I

l-B. LOCATION ........................................................................ 2

1-C. PRESSURE RELIEF VALVE ............................................ 2

PART 2

2-A. ELECTRICAL CONNECTION ........................................ 2

PART 3

3-A. GAS CONNECTION ......................................................... 3

3-B. GAS PIPING ...................................................................... 3

3-C. GAS TABLE ...................................................................... 3

PART 4

VENTING

4-A. ALL MODELS 3" VENTED ............................................. 4

4-B. FOR LONGER VENT LENGTHS .................................... 5

4-C. VENTING TABLE ......................................................... 5-6

4-D. CLEANER/CEMENT ........................................................ 6

4-E. CONDENSATE .................................................................. 6

4-F. VENTING TABLES .......................................................... 7

PART 5

5-A. HYDRONIC HEAT PIPING .............................................. 8

5-B. FILL AND PURGE HEATING SYSTEM ......................... 8

PART 6

BOILER START LIP

6-A. COMMON VENT TEST ................................................... 9

6-B. ITEMS TO BE CHECKED BEFORE

LIGHTING THE MUNCHKIN ....................................... 10

6-C. LIGHTING INSTRUCTIONS ......................................... 11

PART 7

SERVICING

7-A. SEQUENCE OF OPERATION ....................................... 12

7-B. ADJUSTMENT SET POINTS

AND DIFFERENTIAL SETTINGS ................................ 12

7-C. MUNCHKIN BOILER FAULT LED CODE .................. 13

7-D. FAULT CONDITIONS ............................................... 13-14

PART 8

8-A. MAINTENANCE PROCEDURES ................................. 15

8-B. BEFORE EACH HEATING SEASON ........................... 15

8-C. COMPONENT DIAGRAM ............................................. 16