Wahl Bach marey PP4, Instruction Manual, Page: 8 / 12

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User Manual Technical Specifications
Marey Electric Tankless Water Heater by Wahlbach Marey Electric Tankless Water Heater by Wahlbach
3. Technical Specifications
Technical specifications
POWER PAK Series PP4 | PPS4 PP6 | PPS6
Electric supply
110-120V 60Hz 208-240V 60Hz
Nominal power rating
2.9 kW @ 110V 4.5 kW @ 208V
3.5 kW @120V 6 kW @ 240V
Nominal current
27 A @ 110V 22 A @ 208V
29 A @ 120V 25 A @ 240V
Ground fault circuit interrupter
2-POLE 30A 2-POLE 30A
Cable size 12 AWG 12 AWG
Resistivity of the water supply
≥ 3300 Ω•in ≥ 3300 Ω•in
Flow rate (Δt=45°F)
0.5 GPM @120V 0.9 GPM @240V
Flow rate (Δt=65°F) 0.4 GPM @120V 0.6 GPM @240V
Heating system
Bare element Bare element
Control unit
Hydraulic | Digital Hydraulic | Digital
Temperature range - | 95 - 122 °F - | 95 - 122 °F
Switch on flow rate
0.34 GPM | 0.32 GPM 0.58 GPM | 0.55 GPM
Non-usage consumption < 1Wh/h < 1Wh/h
Protection class
IP25 IP25
Unit dimensions
5
⅜
x 7
⅜
x 3
⅜
” 5
⅜
x 7
⅜
x 3
⅜
”
Unit weight 3.0 lb 3.0 lb
Water connections
1/2" NPT 1/2" NPT
Max. inlet water pressure 150 psi 150 psi
Min. inlet water pressure
15 psi 15 psi
Switch on flow pressure
15 psi 15 psi
4. User Manual
To prevent damage to the appliance, the instantaneous water heater must be
purged of air before using it for the first time.
How to use (POWER PAK S Series)
The appliance can detect the undersink/oversink installation automatically, and
make sure the display properly.
LEDs
Touch Keys
Step 0 Switch on the electric power, open the hot-water tap, and wait for a
short power-up delay (approx. 13 secs).
Step 1 Keep the hot-water tap opening, touch “
①
” to light on the touch
keys, then touch “
①
” again to turn on the appliance. The LED will
display current outlet temperature setting for 2 secs then switch to
display the real time outlet temperature.
Step 2 Keep the hot-water tap opening, set desired outlet temperature,
touch “
 ” to decrease the outlet temperature or touch “  ” to in-
crease the outlet temperature. The LED will keep displaying the
setting temperature for 2 secs, then switch to display the real time
outlet temperature. If needed, adjust the water flow rate ( see next
page).
Step 3 Close the hot-water tap, the LED will light off immediately, the touch
key “
①
”, “

” and “

” will light off after 3 secs delay.
Note:
1. Step 0 is only valid after every-time switch off the electric power.
2. After completing Step 3 , opening the hot-water tap again will wake up the
appliance automatically and the LED will display the real time outlet tempera-
ture.