SIVUATEK V7B-180B Instant Water Heater Demand Smart Electric Instruction Manual

V7B-180
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Enjoy Instant,Sufficient and Endless Hot Water

SIZING CHART

STEP 01
Note the color of location on the map to figure out avarage inlet water temp in your place

STEP 02
Check the chart to figure out how many GPMs of hot water could be expected with your Inlet water temp.

Inlet Temp		GPM (108ºF)	kW
	37ºF	1.6	18
	42ºF	1.7	18
	47ºF	1.9	18
	52ºF	2.0	18
	57ºF	2.2	18
	62ºF	2.5	18
	67ºF	2.8	18
	72ºF	3.2	18
	77ºF	3.7	18

STEP 03
Calculate your max GPM by adding up all the fixtures need hot water and figure out If you need more than one 18kW unit

*Average Gallons per Minute (GPM) basing on 2010 Plumbling Standards.

SYSTEM PLUMBING

Minimize scale build up & service-free
The heating element is service-free normally. However, if you live in real hard water area,it is suggested that a descale device should be installed inline to the inlet and annual maintenance on the descale device should be carried out.

EIECTRICAL REQUIREMENTS

V7B-180
18kW | 240V
75 Amp Max Draw

• 2x 8AWG/2 with Grounding Required
• 2X 40Amp Double Pole Breaker Required

Installation Steps

Accessories contents

4 screw st4.2×30	4 espansion boltes	1 installtion template

Tools/materials Required(not included)

Measuring tape	Safety gloves	Phillips screwdriver
Electric drill	Pencil

INSTALLATION INSTRUCTIONS

1. Figure out where to mount the water heater unit, mark 4 mounting holes on the wall according to the installation template(Fig.1).
2. Drill holes(ø6x32mm) into the wall on those 4 marked position , put espansion bolt into the mounting hole and then fix the 2 mounting brackets with screws and Phillips screw driver(Fig.2andFig.3).
3. The water heater gets 2 mounting brackets on the back side, so all you need to do is hang the water heater on those fixed brackets on wall, pull the water heater unit downside to sit it tight(Fig.4).

Plumbing Connection

1. All water pipes must comply with national and applicable state and local water pipe codes.
2. The unit should be connected directly to the main water supply.Flush the pipe with water to remove any debris or loose particles before pipe connections,so as to avoid clogging.
3. It is required to use 3/4″NPT water connections to fit the models on V7B-180.
4. Flexible water hose are recommended to use with your hot water heater as Part of installation,it makes future maintanence more convenient.Please remember to install rubber seal rings at the connections. When all water connections are completed, check for leaks and take the necessary actions before proceeding.
5. A set of service valves should be applied to the inlet and outlet fittings of the water heater V7B-180 if you live in hard water area, so you could get easy access of annual maintenance. Also, a descale device should be applied to the inlet pipe, so as to avoid scale build up and ensure long lifespan.
6. When you do pipe connection to the unit, Over tighten must be avoided.

Electrical Connections

1. All mounting and plumbing must be completed before proceeding with electrical hook-up.
2. All electrical work must comply with national and applicable state and local electrical codes.
3. This water heater must be permanently connected to the direct main breaker panel. The use of a plug and socket is forbidden.
4. The unit must be connected to a properly grounded dedicated branch circuit of proper voltage rating.
5. The V7B-180 hot water unit needs 2X40 AMP double pole breaker,2 set of 8AWG/2 wires with Grounding wire for 240V proper power supply.
6. Before beginning any work on the electric connections, make sure that the main breaker panel switch is OFF to avoid any danger of electric shock.
7. While connecting the wires to the panel breaker, please make sure the metal wire ends and the blocks touch completely. Then tighten the screws to make sure the full current can go through.
8. Connect the wires to cable fixed to unit.
9. As with all high power appliances, make sure that you have turned off the vary circuit breaker for the water heater before installing, disassembling or repairing the water heater.Failure to follow this instruction may result in serious property damage, injury or death and this will avoid your warranty.

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Documents / Resources

SIVUATEK V7B-180B Instant Water Heater Demand Smart Electric [pdf] Instruction Manual V7B-180B Instant Water Heater Demand Smart Electric, V7B-180B, Instant Water Heater Demand Smart Electric, Water Heater Demand Smart Electric, Demand Smart Electric, Smart Electric, Electric

References

• User Manual