Danfoss WT-C 500 Manual de usuario

Installation Guide

WT-C 500

WT-C 750

2 VIILD102 © Danfoss A/S (Dept./Init.), 2014-05

Danfoss A/S is not liable or bound by warranty if these instructions are not adhered to during installation or service.

The English language is used for the original instructions. Other languages are a translation of the original instructions.

(Directive 2006/42/EC)

Installation

The hot water heater should stand on a solid surface and be levelled with assistance from the setscrews underneath the tank.

The tank models that come without setscrews can be levelled with assistance of a shim. This must be done before the tank is

connected to the pipes and lled with water. Connections not in use must be plugged appropriately. During water lling, con-

densed water may emerge on the outside of the tank. This will result in water underneath the tank, on the oor. This will cease

when the tank is heated. There must be a oor drain in the same room.

All connections (including those not used) must be insulated to minimize idle losses.

Commissioning

Start by lling the tank, then pressurize it. Continue to ll the radiator system (the enclosed water). The working pressure may

not exceed 3 bar (gauge), a safety valve with a releasing pressure of 3 bar must always be installed.

Maintenance

Check the safety valve annually by manually opening and closing the valve handle and making sure that water is released.

Check annually all connections for eventual leakage (also peripheral installations, i.e. a heat pump, etc.).

Technical data

WT-C 500 750

Corrosion protection, coil copper copper

Volume, hot water heater litre 500 750

Volume, coil litre 4x3,5 6x3,5

Length, coil m 4x12 6x12

Max. pressure, hot water heater bar/MPa 3 3

Max. pressure, coil bar/MPa 10 10

Max. immersion heater length mm 670 850

Height (incl. feet) mm 1730 1830

Net weight kg 142 157

Immersion heater max. output kW 9 2x9

4 VIILD102 © Danfoss A/S (Dept./Init.), 2014-05

Electrical Installation

• The electrical installation must be performed by an authorized installer and follow applicable norms and regulations.

• When selecting electrical equipment, it must be selected with approved materials and enclosure class.

Pipe installation

The water heater must be supplied with:

• A safety valve

• A shut-o valve

• A drain valve

• A non-return valve

• A mixing valve

• A pressure gauge

• A vacuum valve as per applicable standards.

The water heater must be supplied with the prescribed safety equipment according to applicable local and national regulations.

The overow pipe from the safety valve must not be able to be shut-o and must run visibly above the oor drain.

Filling

Fill the water heater as follows:

1. Open a hot water tap in the system.

2. Open the shut-o valve on the incoming cold water. This valve should then be fully open during operation.

3. The hot water tap can only be shut o when the water heater is lled, which is when only water

comes out of the tap (initially an air-water mixture comes out of the tap).

Water temperature

Outgoing water temperature must not exceed applicable local and national regulations. At higher heater

temperatures a mixer valve can be installed to restrict the outgoing hot water temperature to a limit of 60°C.

The lower the temperature in the system, the less heat loss from lines and valves.

Safety valve

The safety valve must be inspected regularly.

Ease the safety valve lever slightly to release some water through the overow pipe. This must be carried out at least 4 times a year.

It is quite normal for the safety valve to let out small amounts of water when the water tank is being charged.

• If the valve does not work satisfactory, it must be replaced.

• If there is a risk of freezing, the water heater must be drained.

• In the event of malfunctions - contact the installer.

6 VIILD102 © Danfoss A/S (Dept./Init.), 2014-05

1730

1666

1480

1205

1030

930

830

730

455

180

760

696

Dimensions

Technical data

WT-C 500

Volume hot water accumulator 500 litres

Test pressure 4,3 bar

Working pressure 3 bar

Rated temperature 100 °C

Weight 142 kg

Required ceiling height for tilting: min. 1840mm

WT-C 500

Height (mm) 1730

Dimensions (mm) 696 x 760

Connection WT-C 500

1 Expansion/Venting, DN25 ext.

2 Connections (8x), DN50 int.

3 Temperature sensor conn. DN20 int.

4 Immersion heater conn. DN50 int.

5 Hot water coil (2x12m), Ø22

6 Preheat coil/Hot water coil (2x12m), Ø22

Ø965

1830

1515

965

765

490

215

1065

1240

815

865

915

Dimensions

Technical data

WT-C 750

Volume hot water accumulator 750 litres

Test pressure 4,3 bar

Working pressure 3 bar

Rated temperature 100 °C

Weight 157 kg

Required ceiling height for tilting: min. 2085mm

WT-C 750

Height (mm) 1830

Diameter (ømm) 965

Connection WT-C 750

1 Expansion/Venting, DN25 ext.

2 Connections (8x), DN50 int.

3 Temperature sensor conn. DN20 int.

4 Immersion heater conn. DN50 int.

5 Hot water coil (3x12m), Ø22

6 Preheat coil/Hot water coil (3x12m), Ø22

8 VIILD102 © Danfoss A/S (Dept./Init.), 2014-05

Danfoss Heat Pumps

Box 950

SE-671 29 ARVIKA

Phone +46 570 81300

E-mail: dhpinfo@danfoss.com

Internet: www.heating.danfoss.com, www.thermia.com

Danfoss assumes no responsibility whatsoever for any errors occurring in catalogues, brochures or other printed material. Danfoss

reserves the right to make changes to (the design of) its products with no prior warning. The same applies to products already on order

provided that the previously agreed specications remain unchanged. All trademarks in this material are the property of the respective

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