EZ TANKLESS EZ Ultra, User Manual

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SPECIFICATIONS
Name Gas-fired tankless water heater
Model
EZ ULTRA
Type
NG or LPG
Gas type Natural Gas or LPG
Category I2H
Rated gas pressure
LPG (0.46) (11"wc)/NG (0.29) (8"wc)
Nominal heat input (temperature rise 25
O
C) Q
n
kW 25 (85,350 btu)
Nominal useful output P
n
kW 22 (75,180 btu)
G/min 4.2
Application water pressure psi
35 ~ 100 PSI
Min. start water pressure
psi 35
Electricity power supply V, Hz
115V
～ 6
0Hz
Maximal input power W 48
Over current protection fuse
V, A
125V, 2A
Insulation grade Class I
Electricity and water protection grade IP44
Ignition method Water controlled auto- pulse ignition
Temperature control method Gas proportional valve auto-control
Temperature display In Celsius (see conversion chart below)
Overall dimensions
inches D 4.5” – W 14” – H 22.5”
Packing dimensions inches
29.5" x 17.7" x 8.0"
Pipe joint
Gas inlet G1/2 or G3/4 USA
Water inlet G1/2 USA pipe thread
Water outlet G1/2 USA pipe thread
Exhaust duct
Φ
100mm (external),
Φ
60mm (internal)
WARNING:
Read the technical instructions before installing
the gas water heater . Installation by trained
professionals only.
Read the user’s instruction manual before lighting the appliance.