Takagi T-H3-DV Service Handbook

BASICS
BASICS
BASICS
BASICS
4 • On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models
SPECIFICATIONS
Table 1:
Model
240
Indoor
(T-H3J-DV)
240
Outdoor
(T-H3J-OS)
340
Indoor
(T-H3S-DV)
340
Outdoor
(T-H3S-OS)
540
Indoor
(T-H3-DV)
540
Outdoor
(T-H3-OS)
Natural Gas Input
(Operating Range)
BTU/h
Min.: 15,000
Max.: 160,000
Min.: 15,000
Max.: 180,000
Min.: 15,000
Max.: 199,000
Propane Input
(Operating Range)
BTU/h
Min.: 13,000
Max.: 160,000
Min.: 13,000
Max.: 180,000
Min.: 13,000
Max.: 199,000
Gas Connection 3/4” NPT
Water Connections 3/4” NPT
Water Pressure*
psi
(MPa)
15 - 150 (0.1 - 1)
Natural gas lnlet Pressure
inch
W.C.
(kPa)
Min. 4.0 (1.0)
Max. 10.5 (2.61)
Propane lnlet Pressure
inch
W.C.
(kPa)
Min. 8.0 (1.99)
Max. 14.0 (3.48)
Manifold
Pressure**
Max.
inch
W.C.
(kPa)
LP: 2.2 (0.55)
NAT: 1.9 (0.47)
LP: 2.2 (0.55)
NAT: 2.0 (0.50)
LP: 2.6 (0.65)
NAT: 2.4 (0.60)
LP: 2.7 (0.67)
NAT: 2.4 (0.60)
LP: 3.2 (0.80)
NAT: 2.8 (0.70)
LP: 3.2 (0.80)
NAT: 2.9 (0.72)
Min.
inch
W.C.
(kPa)
LP: 0.6 (0.15)
NAT: 0.7 (0.17)
LP: 0.7 (0.17)
NAT: 0.7 (0.17)
LP: 0.6 (0.15)
NAT: 0.7 (0.17)
LP: 0.7 (0.17)
NAT: 0.7 (0.17)
LP: 0.6 (0.15)
NAT: 0.7 (0.17)
LP: 0.7 (0.17)
NAT: 0.7 (0.17)
Weight lbs. (kg) 58 (26.3) 58 (26.2) 58 (26.3) 58 (26.2) 59 (26.8) 59 (26.9)
Dimension
inches H 22.4 x W 17.7 x D 10.7
mm H 570 x W 450 x D 272
Ignition Electric Ignition
Electric
Supply VAC/ Hz 120 / 60
Consumption
Operation W/A 72.7 / 0.61 78.2 / 0.65 89.0 / 0.74
Standby W/A 3.1 / 0.03 3.1 / 0.03 4.2 / 0.04
Freeze-
Protection
W/A 174 / 1.5 174 / 1.5 175 / 1.5
* 40 psi (0.27 MPa) or above is recommended for maximum flow.
** The Manifold Pressure is the factory setting and should not need adjustment. NOTE: Manifold Pressure readings are taken
with the front cover removed.
NOTE:
• Check the rating plate to ensure this product matches your specifications.
• The manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and
without incurring obligation.

Takagi T-H3-DV Specifications

General

Brand	Takagi
Model	T-H3-DV
Category	Water Heater
Language	English