4
LP-436 REV. 3.21.14
FOR THE INSTALLER
This manual must only be used by a qualified heating installer/service technician. Read all instructions in this manual before installing.
Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.
This appliance must be installed by qualified and licensed personnel. The installer should be guided by the instructions furnished with
the boiler, and with local codes and utility company requirements. In the absence of local codes, preference should be given to the
National Fuel Gas Code, ANSI Z223.1-2002.
INSTALLATIONS MUST COMPLY WITH:
Local, state, provincial, and national codes, laws, regulations and ordinances.
The latest version of the National Fuel Gas Code, ANSI Z223.1, from American Gas Association Laboratories, 8501 East Pleasant
Valley Road, Cleveland, OH 44131.
In Canada
– CGA No. B149 (latest version), from Canadian Gas Association Laboratories, 55 Scarsdale Road, Don Mills, Ontario,
Canada M3B 2R3. Also, Canadian Electrical Code C 22.1, from Canadian Standards Association, 5060 Spectrum Way, Suite 100,
Mississauga, Ontario, Canada L4W 5N6.
Code for the installation of Heat Producing Appliances (latest version), from American Insurance Association, 85 John Street, New
York, NY 11038.
The latest version of the National Electrical Code, NFPA No. 70.
NOTE: The gas manifold and controls met safe lighting and other performance criteria when undergoing tests specified in ANSI
Z21.10.3
– latest edition.
TABLE OF CONTENTS
PART 1
– GENERAL SAFETY INFORMATION .......................................................................................................................... 4
A. PRECAUTIONS .......................................................................................................................................................................... 4
B. IMPROPER COMBUSTION ........................................................................................................................................................ 5
C. GAS ............................................................................................................................................................................................ 5
D. WHEN SERVICING THE HEATER ............................................................................................................................................. 5
E. WATER QUALITY ....................................................................................................................................................................... 5
F. OPTIONAL EQUIPMENT ............................................................................................................................................................ 6
PART 2
– INSTALLATION INSTRUCTIONS ............................................................................................................................... 7
PART 3
– OPERATING INSTRUCTIONS.................................................................................................................................. 19
PART 4
– GENERAL MAINTENANCE ...................................................................................................................................... 20
PART 5
– TROUBLESHOOTING GUIDE .................................................................................................................................. 25
MAINTENANCE NOTES .................................................................................................................................................................. 33
HTP CUSTOMER INSTALLATION RECORD FORM...................................................................................................................... 34
PART 1 – GENERAL SAFETY INFORMATION
A. PRECAUTIONS
INSTALLER
– Read all instructions in this manual before installing. Perform steps in the order given.
USER
– This manual is for use only by a qualified heating installer/service technician. Have this heater serviced/inspected by a
qualified service technician annually.
FAILURE TO ADHERE TO THE GUIDELINES ON THIS PAGE CAN RESULT IN SUBSTANTIAL PROPERTY DAMAGE, SEVERE
PERSONAL INJURY, OR DEATH.