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240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Ver. 1.00
CONFIDENTIAL
1. Specifications
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)
Dimensions
inch
H 22.4 x W 17.7 x D 10.7
570 (H) x 450 (W) x 272 (D)
mm
Weight lbs. (kg) 58 (26.3) 58 (26.2) 58 (26.3) 58 (26.2) 58 (26.8) 58 (26.9)
Combustion
INPUT
BTU/h
Max 160,000 180,000 199,000
Min
Propane 13,000
Natural gas 15,000
Combustion
system
Installation
Power vent
Installation
Direct-vent
Indoor
Outdoor
Direct-vent
Indoor
Outdoor
Direct-vent
Indoor
Outdoor
Fan motor PWM turbo fan
Manifold
Pressure*
("W.C.)
Max
Propane 2.2
Natural 1.9
Propane 2.2
Natural 2.0
Propane 2.6
Natural 2.4
Propane 2.7
Natural 2.4
Propane 3.2
Natural 2.8
Propane 3.2
Natural 2.9
Min
Propane 0.6
Natural 0.7
Propane 0.7
Natural 0.7
Propane 0.6
Natural 0.7
Propane 0.7
Natural 0.7
Propane 0.6
Natural 0.7
Propane 0.7
Natural 0.7
Water control
Flow rate GPM 0.5 to 6.6 0.5 to 8.0 0.5 to 10.0
Available
set
temperatures
°F
(°C)
100 to 140 (38 to 60)
default: 120 (49)
100 to 185 (38 to 85)
default: 120 (49)
Temperature
DIPswitch
settings
°F
(°C)
120 (49), 140 (60)
Bypass valve N/A Yes
Thermistors 2 thermistors (In, Out)
3 thermistors
(In, Out, Heat exchanger)
Operation
Temperature
control
Temperature controller : Direct Vent Indoor models
Temperature remote controller (TM-RE40) : Outdoor models
PCB model
240
Part # 319143-543 (EK186)
340
Part # 319143-544 (EK175)
540
Part # 319143-545 (EK176)
Indicators Stand-by LED
Power supply
control
Surge absorber & Power ON-OFF switch
Features
Freeze
protection
Ceramic heaters (All models) and
Auto-firing system (Only 540 Direct Vent Indoor models (T-H3-DV) models)
Self-
combustion
improvement
Air-Fuel Ratio Detection System
Easy-Link
system
N/A
Yes (Up to 4 units)
Multiple-
system
N/A
Yes (Up to 20 units)
*The manifold pressure measurement is based on conditions without front cover.
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