HTP SSC-119 - Manual (Page 3)

3
LP-65 Rev. 3.24.14
TABLE OF CONTENTS
PART 1 – GENERAL SAFETY INFORMATION .......................................................................................................................... 3
A. PRECAUTIONS .......................................................................................................................................................................... 3
B. WHEN SERVICING THE WATER HEATING SYSTEM .............................................................................................................. 4
C. HEATER WATER ....................................................................................................................................................................... 4
PART 2 – PREPARE THE WATER HEATER ............................................................................................................................. 4
A. SPECIFICATIONS AND PERFORMANCE RATINGS ................................................................................................................ 5
B. PERFORMANCE AND SIZING GUIDELINES ............................................................................................................................ 5
C. LOCATING THE WATER HEATER ............................................................................................................................................ 6
D. ANODE ROD .............................................................................................................................................................................. 6
E. WATER CHEMISTRY REQUIREMENTS ................................................................................................................................... 7
PART 3 – HEATER PIPING ......................................................................................................................................................... 8
A. PLUMBING ................................................................................................................................................................................. 8
B. BOILER CONNECTIONS ........................................................................................................................................................... 8
C. COLD WATER INLET ................................................................................................................................................................. 8
D. SCALDING ................................................................................................................................................................................. 9
E. TEMPERATURE AND PRESSURE RELIEF VALVE .................................................................................................................. 9
F. HOT WATER OUTLET .............................................................................................................................................................. 10
G. POTABLE EXPANSION TANK ................................................................................................................................................. 10
H. PRESSURE DROP SIZING FOR CIRCULATOR ..................................................................................................................... 10
I. INSTALLATION DIAGRAMS ...................................................................................................................................................... 11
PART 4 – HEATER CONTROL AND WIRING .......................................................................................................................... 16
A. CONTROL ................................................................................................................................................................................ 16
B. WIRING ..................................................................................................................................................................................... 16
PART 5 – OPERATING THE HEATER...................................................................................................................................... 16
PART 6 – MAINTENANCE AND TROUBLESHOOTING .......................................................................................................... 16
HTP CUSTOMER INSTALLATION RECORD FORM...................................................................................................................... 20
PART 1 – GENERAL SAFETY INFORMATION
A. PRECAUTIONS
This water heater is approved for indoor installations only. Clearance to combustible materials: 0” top, bottom, sides and back. Heater
must have room for service: 24” front and 6” sides are minimum recommended service clearances. (A combustible door or removable
panel is acceptable front clearance.) This water heater has been approved for closet installation, and installation on combustible
flooring. Do not install this water heater directly on carpeting.
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.