Intiel PVBoiler User manual

INTIEL

THE ELECTRONICS ON YOUR SIDE

THERMOREGULATOR FOR PHOTOVOLTAIC BOILER

Type: PVBoiler

Rev.03

USER'S GUIDE

INTIEL LTD

10, str. Major Kolontaevski e-mail: office.intiel@gmail.com

8200 Pomorie e-mail:

[email protected]

BULGARIA www.intiel.com

THERMOREGULATOR FOR PHOTOVOLTAIC BOILER

Safety instructions:

-Before installation, check the integrity of the unit and its connecting

wires.

-In case of damaged can not be mounted to the removing of the fault.

-The installation and disassembly of the unit must be carried out by

qualified personnel who have previously read the product manual.

-Mount in a dry and ventilated place away from heat sources and

flammable gases or liquids.

-Make sure that the mains voltage matches the voltage on the rating plate

of the unit.

-Use power consumers that match the power output of the appliance.

-In the event of malfunctioning, switch off the appliance immediately and

seek authorized service for repair.

-In case of fire, use a fire extinguisher.

-For the purpose of environmental protection, do not throw away electrical

appliances and their packaging marked with a symbol

crossed bin

TECHNICAL DESCRIPTION

1. Application

The device is designed to control the combined heating of boilers having two

independent heaters powered by photovoltaic panels and mains power.

2. How it works

Maintains the water temperature in the boiler Tb by turning the heating on or

off according to the set point and hysteresis.

It has a built-in weekly programmer with two programs to allow the heater to

operate on mains power. The temperature to which the boiler is heated from the

mains is determined by a separate task.

It monitors the current and voltage of the photovoltaic panel and measures the

instantaneous power consumed.

When the “MPPT|” mode is on, the maximum power point from the panel is

monitored according to the momentary sunlight. In this way, efficient use of the

panel is achieved in low sunlight. In this mode, the set hysteresis does not affect the

operation of the thermoregulator, power is always supplied to the heater at a

temperature lower than the Tb set.

Operation without “MPPT”

At a temperature of the boiler Tb lower than the Tb set-hys, the heating is

switched on, the condition continues until the Tb set is reached.

3. Front panel

t °

heater

Tb set - hys

Tb set

Up,V

1 –LCD indication;

2 –"forward" change button;

3 –"back" change button;

4 –button to enter / exit programming mode.

In the initial state, the display shows the following parameters:

- Up –panel voltage;

- Тb–current boiler temperature;

- P–panel power;

- AC ON –mains heater is ON;

- AC OFF –mains heater is OFF;

4. Settings

With buttons „” or „”scroll until the display shows the desired setting.

Press button „” to enter programming mode, then the setting value starts flashing.

With buttons „” or „”you can make changes. To confirm the changes, press the

button „”again.

Description

Indication

Range

Default

settings

User

settings

Set temperature

from the panels

Tb pv

5 –90 °C

hysteresis

Tb his

Monitoring max.

power

MPPT

0 –inactive

1 –active

Hour and day

Time

Correction of the

measured

temperature

Tb cor

-10 to +10 ° С

Setting the weekly program for operation of the mains heater

Correction of the measured boiler temperature

Press and hold button „”for about 10 seconds, password request will be

displayed - “Password …..”. With „” or „” buttons select 123 and press „”.

The menu will automatically lock 15 seconds after the last button press.

5. Electrical connection and technical data

To access the terminals it is necessary to remove the box cover by unscrewing the

upper bolts at the four ends of the box indicated by arrows.

Technical data:

Power supply ~230V/50Hz

Input PV max 320V/10A

Output for heater PV MOSFET max 320V/10A

Output for mains heater relay NO, ~230V/16A

Sensor type Pt 1000 (-50 to +250 °С)

Measuring range -10 +120 °С

Unit of measurement 1 °С

Environmental temperature +5° to - 35 °C

Environmental Humidity to 80%

Degree of protection IP2

Description

Indication

Range

Default

settings

User

settings

Weekly

program

Week

program

Working

interval

00:00 –24:00

Day of

the

week

P1 DoW

P2 DoW

SMTWTFS

( Sunday - Saturday )

–inactive

Set temperature

from the mains

Tb line

5 –90 °C

Exit

Important!

Reverse connection of PV panels is not permitted.

It is not permissible to switch the heater or panels while the device is

operating.

Combining the heaters is not allowed.

Recommended connection according to the power of the PV panels:

up to 5 panels at a power of up to 330W per panel

up to 4 panels at a power of up to 460W per panel

Т b

- PV

+ PV

PV heater

Mains

heater

6. Warranty

The warranty period is 24 months following the purchase date of the unit

or its installation by an authorized Engineering Company, but not exceeding 28

months after the production date. The warranty is extended to the malfunctions that

occur during the warranty period and are result of the production reasons or

defective used parts.

The warranty does not relate to malfunctions corresponding to not-

qualified installation, activities directed to the product body interference, not regular

storage or transport.

The repairs during the warranty period can be done after correct filling of

the manufacturer warranty card

Warranty Card

Manufacturer: INTIEL

Product type

THERMOREGULATOR FOR PHOTOVOLTAIC BOILER

Production number

Production date

Dealer confirmation

Purchase date

Invoice number

Dealer’s name, address

and stamp

Seller’s name and

signature

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