Instruction Manual

18
Marey Electric Tankless Water Heater by Wahlbach
19
EN EN
Technical Specifications
Mounting Instructions
Marey Electric Tankless Water Heater by Wahlbach
Commissioning
• Fill the device and vent it by opening a hot water tap connected to it.
• Only switch on the electrical supply once the device is clear of any air.
• Switch on the earth leakage circuit breaker, turn on the appliance and open
the hot water tap, wait for about 20 secs before the appliance start working.
• Check the operation of the device.
For
PP15, PP18, PP24
See image B1, B2
Remove the screw with a Phillips-head screwdriver and open the top cover. Re-
move the display plug, remove the top cover and put aside.
See image B3
1. Use two pieces of tape to fix the template on the wall where the device is to
be installed.
2. Drill four 5/16”/8mm holes through the template.
See image B4, B5, B6, B7, B8
3. Insert the anchors into the holes drilled at last step.
4. Install the appliance with the supplied screws and spacers.
5. Cut the cable to the required length and connect it to the terminal block,
press the button to reset the switch, as indicated in B7 and B8, please note
that the wire connection is different between PP15, PP18 and PP24.
This appliance must be grounded properly!
The electrical connection should be made by a qualified electrician, in accor-
dance with the relevant regulations (IEC, NEC, etc.)
See image B9, B10, B11
6. Install the hot water pipe to the left, and install the cold water supply to the
right, using two spanners, as indicated in B9.
7. Insert the display plug, and install the top of the housing.
8. Install the screw at the bottom.
Make sure only fittings for close-outlet water heaters can be used!
Make sure taps/flow control device be install on the outlet of the appliance!
Make sure the filter mat in the inlet is installed, as indicated in B9 and B11.
Commissioning
• Fill the device and vent it by opening a hot water tap connected to it.
• Only switch on the electrical supply once the device is clear of any air.
• Switch on the earth leakage circuit breaker, turn on the appliance and open
the hot water tap, wait for about 20 secs before the appliance start working.
• Check the operation of the device.
3. Technical Specifications
Technical specifications
POWER PAK Series PP7 PP8 PP12
Electric supply
208-240V~
60Hz
208-240V~
60Hz
208-240V~
60Hz
Nominal power rating
5.4 kW @ 208V 6.4 kW @ 208V 9 kW @ 208V
7.2 kW @ 240V 8.5 kW @ 240V 12 kW @ 240V
Nominal current
26 A @ 208V 31 A @ 208V 43 A @ 208V
30 A @ 240V 36 A @ 240V 50 A @ 240V
Ground fault circuit inter-
rupter
2-POLE 30A 2-POLE 40A 2-POLE 60A
Cable size 10 AWG 10 AWG 10 AWG
Resistivity of the water
supply
≥ 3300 Ω•in ≥ 3300 Ω•in ≥ 3300 Ω•in
Flow rate (Δt=45°F) @ 240V 1.0 GPM 1.2 GPM 1.8 GPM
Flow rate (Δt=65°F) @ 240V 0.7 GPM 0.8 GPM 1.2 GPM
Heating system Bare element Bare element Bare element
Temperature range 95 - 140 °F 95 - 140 °F 95 - 140 °F
Switch on flow rate 0.58 GPM 0.58 GPM 0.58 GPM
Non-usage consumption < 1Wh/h < 1Wh/h < 1Wh/h
Protection class IP25 IP25 IP25
Unit dimensions 13¾ x 7
⅞
x 4¾” 13¾ x 7
⅞
x 4¾” 13¾ x 7
⅞
x 4¾”
Unit weight 5.4 lb 5.4 lb 5.4 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