Instruction Manual

20
Marey Electric Tankless Water Heater by Wahlbach
21
EN EN
Technical Specifications
Technical Specifications
Marey Electric Tankless Water Heater by Wahlbach
Technical specifications
POWER PAK Series PP15 PP18 PP24
Electric supply 208-240V~ 60Hz 208-240V~ 60Hz 208-240V~ 60Hz
Nominal power rating
11.3 kW @ 208V 13.5 kW @ 208V 18 kW @ 208V
15 kW @ 240V 18 kW @ 240V 24 kW @ 240V
Nominal current
54 A @ 208V 2 x 33 A @ 208V 2 x 43 A @ 208V
63 A @ 240V 2 x 40 A @ 240V 2 x 50 A @ 240V
Ground fault circuit inter-
rupter
(2) 2-POLE 70A (2) 2-POLE 40A (2) 2-POLE 60A
Cable size 8 AWG (2) 10 AWG (2) 10 AWG
Resistivity of the water
supply
≥ 3300 Ω•in ≥ 3300 Ω•in ≥ 3300 Ω•in
Flow rate (Δt=45°F) @ 240V 2.3 GPM 2.7 GPM 3.6 GPM
Flow rate (Δt=65°F) @ 240V 1.6 GPM 1.9 GPM 2.5 GPM
Heating system Bare element Bare element Bare element
Temperature range 95 - 140 °F 95 - 140 °F 95 - 140 °F
Switch on flow rate 0.66 GPM 0.66 GPM 0.66 GPM
Non-usage consumption < 1Wh/h < 1Wh/h < 1Wh/h
Protection class IP24 IP24 IP24
Unit dimensions 18¾ x 10
⅞
x 4
⅞
” 18¾ x 10
⅞
x 4
⅞
” 18¾ x 10
⅞
x 4
⅞
”
Unit weight 7.8 lb 7.8 lb 7.8 lb
Water connections 1/2" NPT 1/2" NPT 1/2" NPT
Max. inlet water pressure 150 PSI 150 PSI 150 PSI
Min. inlet water pressure 15 PSI 15 PSI 15 PSI
Switch on flow pressure 15 PSI 15 PSI 15 PSI
Maximum Temperature Rise vs. Flow Rate at 240V
Note: Temperature rise = Hot Water Temp. - Cold Water Temp.
10.000 20.000 30.000 40.000 50.000 60.000 70.000 80.000 90.000
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6. 5 7.0 7.5 8. 0
Temperature Rise F
Flow Rate GPM
Maximum Temperature Rise vs. Flow Rate at 240V
PP7 PP8 PP12 PP15 PP18 PP24