HTP PHR199-55C - Manual (Page 4)

4
LP- 325 REV. 3.21.14
The hydronic supply and return connections of these products are for installation in closed loop systems ONLY! Use of this
product in any manner other than described in this manual may result in premature product failure, substantial property damage, severe
personal injury, or death. Damage or failure of this product (or the system in which it is installed) due to unauthorized use IS NOT
COVERED BY WARRANTY.
TABLE OF CONTENTS
PART 1 – GENERAL SAFETY INFORMATION .......................................................................................................................... 6
A. PRECAUTIONS .......................................................................................................................................................................... 6
B. IMPROPER COMBUSTION ....................................................................................................................................................... 7
C. GAS ............................................................................................................................................................................................ 7
D. WHEN SERVICING THE APPLIANCE ....................................................................................................................................... 7
E. APPLIANCE SYSTEM ................................................................................................................................................................ 8
F. CHECK/CONTROL HYDRONIC WATER CHEMISTRY ............................................................................................................. 8
G. VERSA-FLAME DHW HEAT PACK WATER QUALITY ............................................................................................................. 9
H. FREEZE PROTECTION FLUIDS AND WINTERIZING .............................................................................................................. 9
PART 2 – BEFORE YOU START .............................................................................................................................................. 10
A. WHAT’S IN THE BOX ............................................................................................................................................................... 10
B. HOW THE APPLIANCE OPERATES ....................................................................................................................................... 10
C. OPTIONAL EQUIPMENT ......................................................................................................................................................... 11
PART 3 – PREPARE APPLIANCE LOCATION ........................................................................................................................ 12
A. BEFORE LOCATING THE APPLIANCE .................................................................................................................................. 12
B. LEVELING ................................................................................................................................................................................ 13
C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................ 13
D. RESIDENTIAL GARAGE INSTALLATION ............................................................................................................................... 13
E. EXHAUST VENT AND INTAKE PIPE....................................................................................................................................... 14
1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ........................................................................................................ 14
2. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE ............................................................................... 14
F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 15
G. REMOVING AN APPLIANCE FROM A COMMON VENT SYSTEM ........................................................................................ 15
PART 4 – PIPING ...................................................................................................................................................................... 18
A. GENERAL PIPING INFORMATION ......................................................................................................................................... 18
B. RELIEF VALVE ........................................................................................................................................................................ 18
C. BACKFLOW PREVENTER ...................................................................................................................................................... 19
D. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 19
E. CIRCULATOR PUMPS ............................................................................................................................................................. 19
F. DHW HEAT PACK AND INDIRECT WATER HEATER SCALDING ......................................................................................... 19
G. HYDRONIC PIPING - CIRCULATORS, ZONE VALVES AND MULTIPLE APPLIANCES ....................................................... 20
H. FILL AND PURGE HEATING SYSTEM ................................................................................................................................... 20
I. ZONING WITH ZONE VALVES ................................................................................................................................................. 21
J. ZONING WITH CIRCULATORS ............................................................................................................................................... 21