Dimensions Guide

HIGH-EFFICIENCY (NON-CONDENSING) TANKLESS WATER HEATER
Installaon Type External (Outdoor) Residenal Applicaons.
Manufactured (Mobile) Home Cered
Model Number V53De (REU-AM1620WD-US)
Approved Gas Types Natural and Propane
Water Flow Control Water Flow Sensor, Electronic Water
Control and Fixed Bypass
Water Temperature Control Simulaon Feed Forward and Feedback
Ignion System Direct Electronic Ignion
Controller Standard: Status Monitor
Oponal: MC-601, MC-91-2US
Cercaons AHRI, ANSI Z21.10.3, CSA 4.3
Uniform Energy Factor (UEF) 0.81
High Altude Approved Up to 10,200 Ft (3,109 M)
Minimum Gas Consumpon 15,500 Btu/h
Maximum Gas Consumpon 120,000 Btu/h
Flow Rate
1
(Min - Max) 0.4 - 5.3 GPM (1.5 - 20.0 L/min)
Dimensions - w, h, d
14.0 in. x 19.8 in. x 7.9 in.
(356 mm x 503 mm x 202 mm)
Weight 29.7 lb (13.5 kg)
Sound Level 54 dB
Normal
50 W
Standby
2 W
Freeze Protecon
64 W
Max Current
1.2 Amps
Fuse
5 Amps
Temperature
• Minimum: 115° F (46° C) Default
• Maximum: 140° F (60° C) Default
Without Temperature Controller:
120° F (49° C) Default or 140° F (60° C)
Bypass Flow Control Fixed
Gas Supply Pressure
2
• Natural: 4.5 in. w.c. - 10.5 in. w.c.
• Propane: 8.0 in. w.c. - 13.5 in. w.c.
Electronic Connecons
• Appliance: AC 120 Volts, 60Hz.
• Temp. Controller: DC 12 Volts (Digital)
Water Supply Pressure
• Minimum: 20 PSI (Recommended
30-80 PSI for max performance)
• Maximum: 150 PSI
Controller Cable Non-Polarized Two Core Cable
(Minimum 22 AWG)
Service Connecons
• Gas Supply: 3/4 in. (19 mm) MNPT
• Cold Water Inlet: 3/4 in. (19 mm) MNPT
• Hot Water Outlet: 3/4 in. (19 mm) MNPT
●
1
Minimum ow may vary slightly depending on the temperature seng and the inlet
water temperature. Minimum acvaon ow is 0.6 GPM (1.5 L/min).
2
The maximum inlet gas pressure must not exceed the value specied by the
manufacturer. The minimum value listed is for the purpose of input adjustment.
Electrical
The clearance for servicing is 24 in. (610 mm) in front of the
water heater.
To
Combusbles
in. (mm)
To
Non-Combusbles
in. (mm)
Top 12 (305) 2 (51)
Back 0 (zero) 0 (zero)
Front
(Panel)
24 (610) 0 (zero)
Front
(Exhaust)
24 (610) 24 (610)
Sides 6 (152) 1/8 (3.2)
Boom 12 (305) 2 (51)
• Safety Devices: Flame Failure -Flame Rod, Boiling Protecon,
Combuson Fan RPM Check, Over Current-Glass Fuse, Remaining
Flame (OHS), Automac Frost Protecon, and Thermal Fuse
• Gas Line Compable: 1/2 in. (13 mm)
• Complies with South Coast Air Quality Management District 40
ng/J NOx Emission Levels
• Included with Purchase: V53De Tankless Water Heater and Wall
Mounng Bracket