Drazice PTO 1733, PTO 2733, PTO 0733, PTO 3733 Operating And Installation Manual

OPERATING AND

INSTALLATION MANUAL

LITTLE FLOW HEATERS

PTO 0733
PTO 1733
PTO 2733
PTO 3733

Družstevní závody Dražice-strojírna s.r.o.
(Works Cooperative - Dražice - Machine Plant, Ltd.)
Dražice 69, 294 71 Benátky nad Jizerou
tel.: +420 / 326 370 911
fax: +420 / 326 370 980
e-mail: [e-mail]

- 2 -

CONTENTS

1 PRODUCT TECHNICAL SPECIFICATION................................................................................... 4

1.1 PRODUCT DESCRIPTION ........................................................................................................... 4

1.2 TECHNICAL DATA ..................................................................................................................... 5

1.3 OPERATION INSTRUCTIONS ..................................................................................................... 6

1.4 SAFETY FEATURES OF THE PRODUCT ........................................................................................ 6

1.4.1 PRESSURE SWITCH....................................................................................................................................... 6

1.4.2 SAFETY ELECTRONICS .................................................................................................................................. 6

1.4.3 PRESSURE FUSE............................................................................................................................................ 6

2 ASSEMBLY INSTRUCTIONS ................................................................................................... 7

2.1 WATER CONNECTION .............................................................................................................. 7

2.1.1 ELEVATED INSTALLATION ............................................................................................................................ 7

2.1.2 LOW INSTALLATION..................................................................................................................................... 8

2.1.3 FLOW HEATER WITH COMBINATION FAUCET AND SHOWER .................................................................. 9

2.1.4 CONNECTION OF WATER - FLOW HEATER WITH COMBINATION FAUCET, SWIVEL ARM

AND SHOWER

.............................................................................................................................................. 9

2.2 CONNECTING THE HEATER TO ELECTRIC NETWORK ................................................................ 10

2.3 MAINTENANCE INSTRUCTIONS .............................................................................................. 10

2.4 GRAPH OF WATER HEATING .................................................................................................. 11

3 IMPORTANT NOTICE .......................................................................................................... 12

3.1 SAFETY NOTICE ...................................................................................................................... 12

3.2 DISPOSAL OF PACKAGING MATERIAL AND NON-FUNCTIONING PRODUCT .............................. 14

4 INSTALLATION REGULATIONS ............................................................................................ 14

5 WARRANTY TERMS ............................................................................................................ 15

- 3 -

CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER!

Dear Customer,

The Works Cooperative of Dražice - Machine Plant, Ltd., would like
to thank you for your decision to use a product of our brand.
With this guide, we will introduce you to the use, construction,
maintenance and other information on electrical water heaters.

The product is not intended to be controlled by

a) people (including children) with reduced physical, sensual or mental capacities, or
b) people with insufficient knowledge and experiences unless supervised by responsible person,

or unless properly instructed by such responsible person.

The manufacturer reserves the right for engineering modification of the product. The product is designed
for permanent contact with drinkable water.

It is recommended to use the product in indoor environment with air temperatures from +2°C to +45°C
and a relative humidity up to 80%.

Product’s reliability and safety is proven by tests implemented by the Engineering Test Institute in Brno.

Made in the Czech Republic.

For proper operation, the water heater must be connected to a constant power source.
Installation may only be carried out by the person authorized to do so.

Meaning of pictograms used in the Manual

Important information for heater users.

Abiding by the recommendations of the manufacturer serves to ensure trouble-free operation

and the long service life of the product.

Caution!

Important notice to be observed.

- 4 -

1 PRODUCT TECHNICAL SPECIFICATION

1.1 PRODUCT DESCRIPTION

Electric non-pressure water flow heater of ●733 series is a product the shape design and dimensions of which
determine it to be used both above and under the hand basin, sink, shower, etc. It is suitable for heating
water in households, workshops, medical attendances and anywhere else with the need of instant hot water
withdrawal. It can also be connected to domestic water station (Darling).

ADVANTAGES OF FLOW HEATERS:

- easy operation, easy assembly and small dimensions

- fast and economic appliance

- heating control light

- instant and continuous hot water withdrawal

- economic and ecologic activator - reduces water and energy consumption

- swivel discharge arm with a pearlator tap or economic shower

- high reliability and safety of operation (increased lifetime of spirals)

- work with operating pressure from 0.08 MPa

- electronic protection of the appliance in emergency situations

- possibility of installation in bathrooms and lavatories in zone 1 - IP protection 25 (above the bathtub

and shower inserts), pursuant to ČSN 33 2000-7-701 (

Figure 1)

Figure 1

- 5 -

1.2 TECHNICAL DATA

Table 1

TYPE PTO 0733 PTO 1733 PTO 2733 PTO 3733

LOAD PROFILE XXS XXS XS XS

ENERGY EFFICIENCY CLASS A A A A

ENERGY EFFICIENCY % 39 40

ANNUAL CONSUMPTION
OF ELECTRIC ENERGY

kWh 478 475 465 464

FACTORY SETTING OF THE
THERMOSTAT

°C - - - -

NOISE dB 46 47

FUNCTIONS ONLY IN A LOW
ELECTRICITY TARIFF

no no no no

SMART 0 0 0 0

MIXED WATER V40 l - - - -

RATED POWER INPUT kWh 3,5 5 6,5 8

RATED VOLTAGE V~ 230 230 400 400

RATED CURRENT A 15,2 21,7 3x 9,4 3x 11,5

FUSE PROTECTION

A 20 25 3x 16 3x 16

RATED SECTION OF CONDUCTORS
CU

mm

2

Ø 2,5 Ø 2,5 Ø 2,5 Ø 2,5

RECOMMENDED

- FOR HAND BASIN

- FOR SINK

- FOR SHOWER

YES YES YES YES

MIN WATER PRESSURE IN PIPING MPa 0,08

MAX WATER PRESSURE IN PIPING MPa 0,6

OVERPRESSURE MPa 0

ELECTRIC CONNECTION

Connect the flow heater to fixed conduit

IP PROTECTION LEVEL

IP 25

APPROX. WEIGHT OF THE
APPLIANCE

kg 1,6

CONNECTION TO COLD WATER G 1/2“

DIMENSIONS L X W X H mm 204 x 80 x 161 204 x 80 x 175