Manuals
/
Munchkin
/
Household Appliance
/
Boiler
Munchkin
MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller manual Maintenance
Models:
MUNCHKIN HIGH EFFICIENCY HEATER with the "925" Controller
1
45
48
48
Download
48 pages
54.54 Kb
41
42
43
44
45
46
47
48
<
>
Troubleshooting
Install
Error messages
Diagrams For Sidewall Venting
Dimension
Maintenance
1 Connection Wiring Directly to Central Heating Circulator
Start-Up Procedures
E. Adjusting The Temperature On The Munchkin Display
D. Combustion Chamber Coil Cleaning Instructions
Page 45
Image 45
MAINTENANCE
45
Page 44
Page 46
Page 45
Image 45
Page 44
Page 46
Contents
MUNCHKIN HIGH EFFICIENCY HEATER with the “925” Controller
WHAT TO DO IF YOU SMELL GAS
Installing, Operating & Maintaining
WARNINGS
USING THIS MANUAL
USING THIS MANUAL
SPECIAL ATTENTION BOXES
TABLE OF CONTENTS
TABLE OF CONTENTS
GENERAL INFORMATION
PART 1. GENERAL INFORMATION
80M/140M/199M
RECOMMENDED SERVICE CLEARANCES
T50M/T80M
GENERAL INFORMATION
DIMENSIONS
T50M/T80M
GENERAL INFORMATION
GENERAL INFORMATION
140M/199M
GENERAL INFORMATION
ACCESSIBILITY CLEARANCES
GENERAL
CODES & REGULATIONS
PART 2. ELECTRICAL
Note Service clearance of the Munchkin See Section 1, Figures 1-1 and
GENERAL INFORMATION / ELECTRICAL
DANGER
DANGER
DANGER
ELECTRICAL
ELECTRICAL
Figure 2-1 Connection Wiring Directly to Central Heating Circulator
GAS CONNECTION
PART 3. GAS CONNECTION
DUNGS GAS VALVE
GAS CONNECTION
Foam Core Pipe is not to be used in connecting the exhaust pipe
PART 4. VENTING
DANGER
DANGER
DANGER
VENTING
B. VENTING THE MUNCHKIN
VENTING
EXIT TERMINALS OF MECHANICAL DRAFT AND DIRECT-VENT VENTING SYSTEM
REFERENCE THE NATIONAL FUEL GAS CODE 2002 EDITION
Do not exceed the 85 foot maximum requirement intake plus exhaust piping added together including fitting allowance
VENTING
The Munchkin is not intended to be common vented with any other
DANGER
existing appliance
VENTING
VENTING
DIAGRAMS FOR SIDEWALL VENTING
VENTING
VENTING
DIAGRAMS FOR VERTICAL VENTING
PIPING
PART 5. PIPING
B. CIRCULATOR SIZING
PIPING
C. FILL AND PURGE HEATING SYSTEM
PIPING
Piping Symbol Legend
PIPING
D. PIPING ILLUSTRATIONS
Retrofit piping zoning with valves Space heating mode
Standard Munchkin boiler
Drawing 1A
PIPING
Drawing 1B
Retrofit piping zoning with valves Domestic water heating mode
Standard Munchkin boiler
PIPING
Drawing 2A
Preferred piping zoning with valves Space heating mode
Standard Munchkin boiler
PIPING
Drawing 2B
Preferred piping zoning with valves Domestic water heating mode
Standard Munchkin boiler
PIPING
Drawing 2C
Preferred piping zoning with circulators Space heating mode
Standard Munchkin boiler
PIPING
Drawing 2D
Preferred piping zoning with circulators Domestic water heating mode
Standard Munchkin boiler
PIPING
multiple boilers / zoning with circulators Space heating mode
Standard Munchkin boiler Preferred piping
Drawing 2E
PIPING
Drawing 2F
Standard Munchkin boiler Preferred piping
PIPING
START-UP PROCEDURES
PART 6. START-UP PROCEDURES
FOR YOUR OWN SAFETY READ BEFORE OPERATING
result, causing property damage, personal injury or loss of life
START-UP PROCEDURES
DANGER
E. ADJUSTING THE TEMPERATURE ON THE MUNCHKIN DISPLAY
START-UP PROCEDURES
F. STATUS MENU
Function Value
Water temperature over 125 degrees F. can cause severe burns
START-UP PROCEDURES / SERVICING
instantly, or death from scalds. Children, disabled, and elderly
DANGER
TROUBLESHOOTING
PART 7. TROUBLESHOOTING
A. MUNCHKIN ERROR CODE
B. BOILER ERROR
Table 7-1 925 Control Board Error Codes
TROUBLESHOOTING
Code
Description
RESISTANCE TABLES
TROUBLESHOOTING
MAINTENANCE
PART 8. MAINTENANCE
D. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS
MAINTENANCE
DANGER
DANGER
CONTROL WIRING LAYOUT
MAINTENANCE
E. MUNCHKIN CONTROLLER
Caution Do not replace with any amperage other than 6.3A
MAINTENANCE
MAINTENANCE
Page
Page
Munchkin R1
2004 Heat Transfer Products, Inc
LP-61 REV. 1/17/05