1
CONTENTS
For Your Safety
…………. 2
Introduction …………..3
•
General
………….
4
•
Temperature
………….
4
•
Freeze Prevent Device …………. 4
•
Winterizing
………….
5
Installation ………….
6
•
General
………….
6
•
Accessories
………….
6
Outdoor Installation
………….6-7
Indoor Installation
………….8-9
•
Combustion Air Supply …………..8
•
Venting
Instructions
…………..8
•
Exhaust
Vent
…………..9
•
Vent
Termination
…………..9
Gas Supply/Piping
…………..10
Water Connection
…………. 11
Pressure Relief Valve
…………. 11
Electrical Connection
…………. 12
Starting Operation
…………. 12
Operating Instruction
…………12-13
Wiring Diagram
…………..14
For your Safety
…………15-16
Danger …………..16
Application …………17-19
•
Space
Heating
…………..17
•
Dual-purpose
heating …………..18
•
Storage
Tank
…………..19
•
Re-Circulation
…………..19
Optional Items
…………..20
Temperature Setting
…………..21
Manifold Multi System
…………21-25
Maintenance and Service
…………..26
Trouble Shooting
…………. 26
Error codes
…….......27- 31
Component Diagram
…………32-35
Part List
…………36-37
Output temperature Chart
…………..38
SPECIFICATIONS
Natural Gas Input
Min. 25,000 Btu
Max. 235,000 Btu
LPG Input
Min. 25,000 Btu
Max. 225,000 Btu
Gas Connection
¾” NPT
Water Connection
¾” NPT
Water Pressure
Min. 15 psi
Max. 150 psi
Natural Gas Pressure Inlet
Min. 5” WC
Max.
10.5”
WC
LP Gas Pressure Inlet
Min. 11” WC
Max. 14” WC
Manifold Pressure
Natural 2.2” WC
Propane 2.7” WC
Weight 70
lbs.
Dimensions 24.5”x16.5”x8.3”
Ignition Electronic
Ignition
Electrical Supply
AC 120 V
***
•
Inlet gas pressure must not exceed the
above maximum values.
•
For gas pressures lower than 5” WC for
natural gas and 11”WC for propane, call
the manufacturer.
•
Before installing in areas over 4,500 feet
above sea level, contact the manufacturer
for high altitude adjustment instructions.
•
Check the rating plate to insure this product
matches your specifications.
•
Takagi-USA is constantly improving our
products; therefore specifications are
subject to change without prior notice.