HTP EFT-80 Installation & Maintenance Guide

6
LP-387 REV. 12.15.14
L. GLYCOL ANTIFREEZE SOLUTIONS ....................................................................................................................................... 33
M. ZONING WITH ZONE VALVES ............................................................................................................................................... 33
N. ZONING WITH CIRCULATORS ............................................................................................................................................... 33
O. MULTIPLE BOILERS ............................................................................................................................................................... 33
PART 6 – VENTING, COMBUSTION AIR, AND CONDENSATE REMOVAL ........................................................................... 34
A. GENERAL ................................................................................................................................................................................ 34
B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE .................................................................................... 35
C. REQUIREMENTS FOR INSTALLATION IN CANADA ............................................................................................................. 35
D. EXHAUST VENT AND INTAKE PIPE LOCATION ................................................................................................................... 36
E. EXHAUST VENT AND INTAKE PIPE SIZING .......................................................................................................................... 40
F. LONGER VENT RUNS ............................................................................................................................................................. 41
G. EXHAUST VENT AND INTAKE PIPE INSTALLATION ............................................................................................................ 41
H. VENTING DRAWINGS ............................................................................................................................................................. 42
1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ....................................................................................................... 42
2. VENTING THROUGH AN EXISTING SYSTEM ................................................................................................................................................. 46
3. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE .............................................................................. 48
PART 7 – GAS PIPING .............................................................................................................................................................. 50
A. GAS CONNECTION ................................................................................................................................................................. 50
B. GAS PIPING ............................................................................................................................................................................. 50
C. CHECK INLET GAS PRESSURE............................................................................................................................................. 51
D. BOILER GAS VALVE ............................................................................................................................................................... 52
PART 8 – FIELD WIRING .......................................................................................................................................................... 53
A. INSTALLATION MUST COMPLY WITH: .................................................................................................................................. 53
B. FIELD WIRING TERMINATIONS ............................................................................................................................................. 53
C. FIELD WIRING ......................................................................................................................................................................... 53
D. LINE VOLTAGE WIRING FOR STANDARD BOILER .............................................................................................................. 54
E. ALARM CONNECTIONS .......................................................................................................................................................... 54
F. LOW VOLTAGE CONNECTIONS FOR STANDARD BOILER ................................................................................................. 54
G. THERMOSTAT ........................................................................................................................................................................ 54
H. OUTDOOR SENSOR ............................................................................................................................................................... 55
I. INDIRECT SENSOR .................................................................................................................................................................. 55
J. OPTIONAL 0-10 VOLT BUILDING CONTROL SIGNAL ........................................................................................................... 55
K. OPTIONAL UL353 LOW WATER CUT-OFF INTERFACE KIT ................................................................................................ 56
L. WIRING OF CASCADE SYSTEM COMMUNICATION BUS .................................................................................................... 56
M. CASCADE MASTER PUMP AND SENSOR WIRING.............................................................................................................. 57
N. CASCADE FOLLOWER PUMP AND SENSOR WIRING ......................................................................................................... 57
PART 9 – START-UP PREPARATION...................................................................................................................................... 60
A. CHECK / CONTROL WATER CHEMISTRY ............................................................................................................................. 60
B. CHECK FOR GAS LEAKS ....................................................................................................................................................... 61
C. FREEZE PROTECTION (WHEN USED) .................................................................................................................................. 61
D. FILL AND TEST WATER SYSTEM .......................................................................................................................................... 61

HTP EFT-80 Specifications

General

Brand	HTP
Model	EFT-80
Category	Boiler
Language	English