Robur GITIE' AHAY Installation, Use And Maintenance Manual

Gitié AHAY

with absorption heat pump and gas condensing boiler

Integrated package for outdoor installation

Installation, use and maintenance manual

Revision: A

Code: D-LBR717GB

This Installation, use and maintenance manual has been drawn up and printed by Robur S.p.A.; whole or partial

reproduction of this Installation, use and maintenance manual is prohibited.

The original is

led at Robur S.p.A.

Any use of this Installation, use and maintenance manual other than for personal consultation must be previously

authorised by Robur S.p.A.

The rights of those who have legitimately led the registered trademarks contained within this publication are not

aected.

With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the

data and contents of this Installation, use and maintenance manual without prior notice.

DISPOSAL

The appliance and all its accessories must be disposed of separately in accordance with the regulations in force.

Use of the WEEE symbol (Waste Electrical and Electronic Equipment) indicates that this product cannot be disposed of as household waste.

Proper disposal of this product helps to prevent potential negative consequences for the environment and human health.

Installation, use and maintenance manual – Gitié AHAY

3

I Introduction .............................................................................

p.4

I.1 Recipients ..........................................................................

p.4

I.2 Control device ..................................................................

p.4

II Symbols and denitions ...............................................

p.4

II.1 Key to symbols .................................................................

p.4

II.2 Terms and denitions ....................................................

p.4

III Warnings......................................................................................

p.4

III.1 General and safety warnings ......................................

p.4

III.2 Conformity ........................................................................

p.6

III.3 Exclusions of liability and warranty ..........................

p.6

1 Features and technical data ......................................

p.7

1.1 Features ..............................................................................

p.7

1.2 Dimensions .......................................................................

p.8

1.3 Components ...................................................................

p.10

1.4 Wiring diagrams ............................................................

p.14

1.5 Electronic boards ..........................................................

p.18

1.6 Controls ............................................................................

p.20

1.7 Technical characteristics .............................................

p.21

2 Transport and positioning ........................................

p.23

2.1 Warnings ..........................................................................

p.23

2.2 Handling ...........................................................................

p.23

2.3 Appliance positioning .................................................

p.23

2.4 Minimum clearance distances..................................

p.24

2.5 Mounting base ...............................................................

p.24

3 Heating engineer ...............................................................

p.24

3.1 Warnings ..........................................................................

p.24

3.2 Hydraulic system ...........................................................

p.25

3.3 Hydraulic connections ................................................

p.25

3.4 Water circulation pumps ............................................

p.26

3.5 Antifreeze function .......................................................

p.26

3.6 Antifreeze liquid ............................................................

p.26

3.7 System water quality ...................................................

p.27

3.8 System lling ..................................................................

p.27

3.9 Fuel gas supply ..............................................................

p.27

3.10 GAHP A unit combustion products exhaust .......

p.28

3.11 AY00-120 unit combustion products exhaust

.............................................................................................

p.29

3.12 Possible ue ....................................................................

p.29

3.13 Flue gas condensate discharge ................................

p.29

3.14 Defrosting water drainage .........................................

p.30

4 Electrical installer ..............................................................

p.30

4.1 Warnings ..........................................................................

p.30

4.2 Electrical systems ..........................................................

p.30

4.3 Electrical power supply ...............................................

p.30

4.4 Set-up and control ........................................................

p.31

4.5 Water circulation pumps (versions C0) .................

p.32

5 First start-up ..........................................................................

p.34

5.1 Preliminary checks ........................................................

p.34

5.2 Electronic adjustment on the machine - Menus

and parameters of the S61 board and of the

AY10 board ......................................................................

p.34

5.3 Modifying settings ........................................................

p.35

6 Normal operation ..............................................................

p.36

6.1 Warnings ..........................................................................

p.36

6.2 Switch on and o ..........................................................

p.36

6.3 Modifying settings ........................................................

p.36

6.4 Eciency ..........................................................................

p.36

7 Maintenance ..........................................................................

p.36

7.1 Warnings ..........................................................................

p.36

7.2 Pre-emptive maintenance .........................................

p.37

7.3 Scheduled routine maintenance .............................

p.37

7.4 Messages on the display ............................................

p.38

7.5 Restarting a locked-down unit.................................

p.38

7.6 Periods of inactivity ......................................................

p.38

8 Diagnostics ..............................................................................

p.39

8.1 Operative codes.............................................................

p.39

9 Appendices..............................................................................

p.43

9.1 Product che...................................................................

p.43

9.2 Safety devices .................................................................

p.45

INDEX OF CONTENTS

Introduction

4

I

I INTRODUCTION

Installation, use and maintenance manual

This Manual is an integral part of the Gitié AHAY unit

and must be handed to the end user together with the

appliance.

I.1 RECIPIENTS

This Manual is intended for:

▶

End user, for appropriate and safe use of the appliance.

▶

Qualied installer, for correct appliance installation.

▶

Planner, for specic information on the appliance.

I.2 CONTROL DEVICE

In order to be able to work, the AHAY unit needs a control device

(DDC or external requests), which must be connected by the

installer.

II SYMBOLS AND DEFINITIONS

II.1 KEY TO SYMBOLS

DANGER

WARNING

NOTE

PROCEDURE

REFERENCE (to other document)

II.2 TERMS AND DEFINITIONS

Gitié AHAY Appliance / Unit = equivalent terms, both used to

designate the integrated package consisting of a GAHP A unit

and a AY00-120 condensing boiler.

GAHP Appliance/Unit = equivalent terms, both used to des-

ignate the gas powered absorption heat pump GAHP (Gas

Absorption Heat Pump).

AY00-120 Boiler / Unit = equivalent terms, both used to desig-

nate the AY00-120 condensing boiler.

TAC = Technical Assistance Centre authorised by Robur.

External enable = generic control device (e.g. thermostat, clock

or any other system) equipped with a voltage-free NO contact

and used as control to start/stop the GAHP/GA unit and the

AY00-120 boiler.

DDC Control (Direct Digital Controller) = optional Robur adjust-

ment device to control one or more Robur appliances (GAHP

heat pumps, GA chillers and AY00-120 boilers) in ON/OFF mode.

RB100/RB200 Devices (Robur Box) = optional interface devices

complementary to DDC, which may be used to broaden its func-

tions (heating/cooling/DHW production service demands, and

control of system components such as third party generators,

adjustment valves, circulators, probes).

Thermal generator = equipment (e.g. boiler, heat pump, etc..)

for heat production for heating and/or DHW.

GUE (Gas Utilization Eciency) = eciency index of gas heat

pumps, equal to the ratio between the thermal energy pro-

duced and the energy of the fuel used (relative to LCV, lower

caloric value).

First start-up = appliance commissioning operation which may

only and exclusively be carried out by a TAC.

S61/Mod10/W10 Boards = electronic boards on the GAHP unit,

to control all functions and to provide interface with other devic-

es and with the user.

S70/AY10 Boards = electronic boards on the AY00-120 boiler, to

control all functions and to provide interface with other devices

and with the user.

III WARNINGS

III.1 GENERAL AND SAFETY WARNINGS

Installer's qualications

Installation must exclusively be performed by a qualied

rm and by qualied personnel, with specic knowledge

on heating, cooling, electrical systems and gas applianc-

es, in compliance with the laws in force in the Country of

installation.

Declaration of conformity

Upon completing installation, the installing rm shall

issue to the owner/client the appliance's workmanlike

conformity declaration, according to national/local reg-

ulations in force and the manufacturer's instructions/

provisions.

Misuse

The appliance must only be used for the purposes for

which it has been designed. Any other use is deemed

hazardous. Incorrect use may aect operation, duration

and safety of the appliance. Adhere to the manufactur-

er's instructions.

Hazardous situations

 Do not start the appliance in hazardous conditions, such

as: gas smell, problems with the plumbing/electrical/gas

system, parts of the appliance under water or damaged,

malfunctioning, disabling or bypassing control and safe-

ty devices.

 In case of danger, request intervention by qualied

Warnings

Installation, use and maintenance manual – Gitié AHAY

5

III

personnel.

 In case of danger, switch o the electrical power and gas

supplies only if this can be done in total safety.

 Do not entrust children, persons with physical, sensory

or mental disabilities or persons with poor knowledge

and experience with use of the appliance.

Gas component tightness

 Before performing any operation on gas ducting compo-

nents, close the gas valve.

 Upon completing any procedure, perform the tightness

test according to regulations in force.

Gas smell

If you smell gas:

 Do not use electrical devices such as telephones, mul-

timeters or other equipment that may cause sparks next

to the appliance.

 Shut o the gas supply by turning the valve o.

 Switch o the power supply via the external disconnect

switch in the power supply electrical panel.

 Use a telephone away from the appliance to ask for inter-

vention from qualied personnel.

Poisoning

 Ensure the ue gas ducts are tightness and compliant

with the regulations in force.

 Upon completing any procedure, ensure components

are tightness.

Moving parts

The appliance contains moving parts.

 Do not remove guards during operation, and in any case

prior to disconnecting the power supply.

Burn hazard

The appliance contains very hot parts.

 Do not open the appliance and do not touch internal

components before the appliance has cooled down.

 Do not touch the ue gas exhaust before it has cooled

down.

Pressure vessels

The appliance has a sealed circuit classied as pres-

sure vessel, the tightness of which is tested by the

manufacturer.

 Do not carry out any intervention on the sealed circuit or

on the appliance's valves.

Water-ammonia solution

The GAHP/GA unit uses the ammonia-water absorption

cycle. The water-ammonia solution is contained in the

sealed circuit. The solution is harmful for health if it is in-

gested, inhaled or comes in contact with the skin.

 In the event of coolant leak keep away and disconnect

the power and gas supply (only if it is possible to do so

with no danger).

 Ask for TAC intervention.

Electrocution hazard

 Disconnect the electrical power supply before any oper-

ation on appliance components.

 For electrical connections exclusively use compliant

components and according to the specications provid-

ed by the manufacturer.

 Ensure the appliance cannot be accidentally switched

back on.

Earthing

Electrical safety depends on eective earthing system,

correctly connected to the appliance and installed ac-

cording to the regulations in force.

Distance from combustible or ammable materials

 Do not deposit ammable materials (paper, diluents,

paints, etc.) near the appliance.

Limescale and corrosion

Depending on the chemical/physical properties of the

system water, limescale or corrosion may damage the

appliance (Paragraph 3.7

p.27

).

 Check system sealing.

 Avoid frequent top-ups.

Chloride concentration

The concentration of chlorides or free chlorine in the

system water must not exceed the values in Table

3.2

p.27

.

Aggressive substances in the air

Halogenated hydrocarbons containing chlorine and u-

orine compounds cause corrosion. The air of the installa-

tion site must be free from aggressive substances.

Acid ue gas condensate

 Discharge the acid condensate of combustion ue gas,

as indicated in Paragraph 3.13

p. 29

, in compliance

with current exhaust regulations.

Switching the appliance o

Disconnecting the power supply while the appliance

is running may cause permanent damage to internal

components.

 Except in the case of danger, do not disconnect the pow-

er supply to switch o the appliance, but always and ex-

clusively act through the provided control device (DDC

or external request).

In the event of failure

Operations on internal components and repairs may

exclusively be carried out by a TAC, using only original

parts.

 In the event of failure of the appliance and/or breakage

of any component, do not attempt to repair and/or re-

store and immediately contact the TAC.

Warnings

6

III

Routine maintenance

Proper maintenance assures the eciency and good op-

eration of the appliance over time.

 Maintenance must be performed according to the man-

ufacturer's instructions (see Chapter 7

p. 36

) and in

compliance with current regulations.

 Appliance maintenance and repairs may only be entrust-

ed to rms legally authorised to work on gas appliances

and systems.

 Enter into a maintenance contract with an authorised

specialised rm for routine maintenance and for servic-

ing in case of need.

 Use only original parts.

Decommissioning and disposal

If the appliance is to be disposed of, contact the manu-

facturer for its disposal.

Keep the Manual

This Installation, use and maintenance manual must al-

ways accompany the appliance and must be handed to

the new owner or installer in the event of sale or removal.

III.2 CONFORMITY

EU directives and standards

I gruppi integrati Gitié sono sono certicati in conformità alla

norma EN 12309 e rispondono ai requisiti essenziali delle seg-

uenti Direttive:

▶

2016/426/EU "Gas Appliances Regulation" as amended and

added.

▶

2014/30/EC "Electromagnetic Compatibility Directive" as

amended and added.

▶

2014/35/EC "Low Voltage Directive" as amended and added.

▶

2006/42/EC "Machine Directive" as amended and added.

▶

2014/68/EU "Pressure Equipment Directive" as amended

and added.

▶

811/2013/EU "Energy-Related Products regulation" as

amended and added.

▶

813/2013/EU "Ecodesign requirements regulation" as

amended and added.

Furthermore, they comply with the requirements of the follow-

ing standards:

▶

EN 677 Specic requirements for condensing boilers with

nominal heat input up to 70 kW.

▶

EN 378 Refrigerating systems and heat pumps.

▶

EN 483 Type C boilers of nominal heat input not exceeding

70 kW.

▶

EN 15502 Gas-red central heating boilers.

Other applicable provisions and standards

The design, installation, operation and maintenance of the sys-

tems shall be carried out in compliance with current applicable

regulations, depending on the Country and location, and in ac-

cordance with the manufacturer's instructions. In particular, reg-

ulations regarding the following shall be complied with:

▶

Gas systems and equipment.

▶

Electrical systems and equipment.

▶

Heating and air conditioning systems, and heat pumps.

▶

Environmental protection and combustion products ex-

haust.

▶

Fire safety and prevention.

▶

Any other applicable law, standard and regulation.

III.3 EXCLUSIONS OF LIABILITY AND

WARRANTY

Any contractual or extra-contractual liability of the man-

ufacturer for any damage caused by incorrect installa-

tion and/or improper use and/or failure to comply with

regulations and with the manufacturer's directions/in-

structions shall be disclaimed.

In particular, the warranty on the appliance may be ren-

dered void by the following conditions:

 Incorrect installation.

 Misuse.

 Failure to comply with the manufacturer's indications on

installation, use and maintenance.

 Alteration or modication of the product or any part

thereof.

 Extreme operational conditions or however outside of

the operational ranges set forth by the manufacturer.

 Damages caused by external agents such as salts, chlo-

rine, sulphur or other chemical substances contained in

the installation water or present in the air of the instal-

lation site.

 Abnormal actions transmitted to the appliance by the

plant or installation (mechanical stresses, pressure, vi-

brations, thermal expansion, electrical surges...).

 Accidental damages or due to force majeure.

Features and technical data

Installation, use and maintenance manual – Gitié AHAY

7

1

1 FEATURES AND TECHNICAL DATA

The Gitié AHAY group consists of a GAHP A heat pump and a

AY00-120 condensing boiler.

1.1 FEATURES

1.1.1 GAHP-A unit features

Operation

Based on the thermodynamic water-ammonia absorption cycle

(H

2

0–NH

3

), the appliance produces hot water using outdoor air

as a renewable energy source (cold source) and natural gas (or

LPG) as primary energy.

The thermodynamic cycle takes place within a hermetically

sealed circuit, in welded construction, perfectly tight, facto-

ry-tested, which does not require any maintenance or coolant

top-ups.

Mechanical and thermo-hydraulic components

▶

Steel sealed circuit, externally treated with epoxy paint.

▶

Sealed combustion chamber (type C) suitable for outdoor

installations.

▶

Metal mesh radiant burner, equipped with ignition elec-

trodes and ame detection, managed by an electronic ame

control box.

▶

Titanium stainless steel shell-and-tube water heat exchang-

er, externally insulated.

▶

Stainless steel, shell-and-tube recovery exchanger of ue gas

latent heat.

▶

Air exchanger with nned coil, with steel pipe and alumin-

ium ns.

▶

Automatic microprocessor-controlled nned coil defrosting

valve.

▶

Standard or S1 silenced fan (reduction of electrical con-

sumption and reduction of sound emission).

Control and safety devices

▶

S61 electronic board with microprocessor, LCD display and

knob.

▶

Mod10 additional electronic board (integrated in S61).

▶

Auxiliary W10 electronic board.

▶

Water owmeter.

▶

Generator limit thermostat, with manual reset.

▶

Flue gas thermostat, with manual reset.

▶

Generator ns temperature probe.

▶

Sealed circuit safety relief valve.

▶

Bypass valve, between high and low-pressure circuits.

▶

Ionization ame control box.

▶

Double shutter electric gas valve.

▶

Antifreeze functions for hydraulic circuit.

▶

Condensate discharge sensor.

1.1.2 AY00-120 Unit features

Operation

The AY00-120 unit is a high eciency condensing boiler suitable

for supply hot water up to 80 °C. The appliance is provided with

an internal heat exchanger to separate internal hydraulic circuit

from system hydraulic circuit.

Mechanical and thermo-hydraulic components

▶

Premixed multigas burner with low NOx and CO emissions.

▶

Stainless steel plate heat exchanger, which also acts as a hy-

draulic separator.

▶

Automatic and manual air vent devices on the appliance in-

ternal circuit.

▶

Flue gas exhaust duct with relevant terminal, for type B53P

conguration.

▶

Condensate discharge siphon (with antifreeze protection).

Control and safety devices

▶

Electronic board with microprocessor.

▶

Automatically resettable water temperature limit thermo-

stat.

▶

Flue gas limit thermostat, for single use (thermal switch).

▶

System circuit water dierential pressure switch (PD1).

▶

Appliance internal circuit water dierential pressure switch

(PD2) with anti-welding function.

▶

Overpressure valve for the appliance internal circuit, set to

trip at 3 bar.

▶

Appliance internal circuit expansion tank.

▶

Ionization ame control box.

▶

Double shutter electric gas valve.

▶

Antifreeze functions for hydraulic circuit.

▶

Antifreezing thermostat for the heating element on the con-

densate siphon.

1.1.3 AHAY Integrated package features

The Gitié group is available in the following versions (Figure

1.6

p.11

):

▶

Basic version (/4 C0)

▶

Version KIT/4 C1

▶

Version KIT/2 C0

▶

Version KIT/2 C1

In all versions units operation may be simultaneous or

independent.

The Table 1.1

p. 7

shows the features of the various versions

in detail.

Table1.1 Gitié AHAY package versions

Version Pipes Circulating pumps Motorised 2-way valves Hydraulic circuits Fan

/4 C0 4 No No independent standard

/4 C0 S1 4 No No independent silenced modulating

/4 C1 4 Yes No independent standard

/4 C1 S1 4 Yes No independent silenced modulating

/2 C0 2 No Yes single standard

/2 C0 S1 2 No Yes single silenced modulating

/2 C1 2 Yes No single standard

/2 C1 S1 2 Yes No single silenced modulating

Features and technical data

8

1

1.2 DIMENSIONS

Figure1.1 Size (Standard ventilation)

Figure1.2 Dimensions (low consumption silenced fan)

Features and technical data

Installation, use and maintenance manual – Gitié AHAY

9

1

Figure1.3 Service plate 2-pipe group (KIT/2 C0 and C1) - Detail of water/gas ttings

A Outlet water tting Ø 1 1/2"F

B Inlet water tting Ø 1 1/2"F

C Boiler condensate drain AY00-120

G Gas tting Ø 3/4"M

Figure1.4 Service plate 4-pipe group (base version and KIT/4 C1) - Detail of water/gas ttings

A AY - Water outlet tting Ø 1 1/4"F

B AY - Water inlet tting Ø 1 1/4"F

C Boiler condensate drain AY00-120

E GAHP/GA - Water outlet tting Ø 1 1/4"F

F GAHP/GA - Water inlet tting Ø 1 1/4"F

G Gas tting Ø 3/4"M

Features and technical data

10

1

1.3 COMPONENTS

Figure1.5 Internal components - front view

1 Fan (S1 version)

2 Tapping point for ue analisys

3 Gas valve

4 Combustion air hose

5 Combustion blower

6 Ignition transformer

7 Tmix air-gas mixture temperature probe

8 Oil pump

9 Water delivery tting: 1 1/4"F

10 Water return tting: 1 1/4"F

11 Gas connection

12 TA outdoor temperature probe



























Features and technical data

Installation, use and maintenance manual – Gitié AHAY

11

1

Figure1.6 Version components

1 BASE version (2 independent circuits without circulating pumps)

2 Kit/4 C1 (2 independent circuits with onboard circulating pumps)

3 Kit/2 C0 (single circuit with two 2-way motorised valves)

4 Kit/2 C1 (single circuit with onboard circulating pumps)

Features and technical data

12

1

Figure1.7 Internal components - left side view

1 Manual reset of the ue exhaust thermostat

2 Sensing element of the ue exhaust thermostat

3 Ø 80mm ue gas exhaust

4 Generator ns temperature probe

5 Flame sensor / ignition electrodes

6 Condensate level sensor

7 Electrical panel





















Features and technical data

Installation, use and maintenance manual – Gitié AHAY

13

1

Figure1.8 Internal components - right side view

1 TG generator temperature probe

2 Safety valve

3 Delivery pipe owmeter

4 Flow temperature probe

5 Limit thermostat

6 Defrosting valve

7 Return temperature probe

8 Teva evaporator temperature probe

8

7

6

1

5

4

3

2

Features and technical data

14

1

1.4 WIRING DIAGRAMS

Figure1.9 Gitié package wiring diagram (GAHP A unit)

SCH1 Controller S61

SCH2 W10 circuit board

SCH3 Mod10 circuit board

TER Power supply terminal block

CNTBOX Flame controller

PWRTR Board transformer

BLW Blower

PMP Oil pump

IGNTR Ignition transformer

IGN Ignition electrodes

FLS Flame sensor

LS Gas valve ON indicator lamp

GV Gas solenoid valve

TC Manual ue gas thermostat

TL Generator limit thermostat

FM Flowmeter

CWS Condensate water sensor

VD Defrosting valve

FAN STD Standard fan

FAN S1 Low energy consumption fan

CF Filter capacitor

FS Condensate discharge hose heating

element

THRC Hot water return temperature probe

THMC Hot water ow temperature probe

TMIX Combustion air temperature sensor

TA Ambient air temperature sensor

TG Generator temperature sensor

TF Fumes temperature sensor or generator n

sensor

TEVA Evaporator outlet temperature sensor

TK Condensate discharge heating element

thermostat

MA Terminal block

REED Oil pump rotation sensor

Features and technical data

Installation, use and maintenance manual – Gitié AHAY

15

1

Figure1.10 Gitié package wiring diagram (unit AY00-120)

SCH5 electronic boards S70+AY10

TA room temperature probe

THPC delivery water temperature probe

(appliance internal circuit)

THMC output water temperature probe

(system circuit)

THRC input water temperature probe

(system circuit)

TH combustion unit limit thermostat

(appliance internal circuit)

TF exhausted gas thermostat

PD dierential water pressure switch

(appliance internal circuit)

A2 dierential water pressure switch

(system circuit)

TL water limit thermostat

P1 water circulator

(appliance internal circuit)

LS gas valve ON signal lamp

GV gas solenoid valve

IGNTR ignition transformer

IGN ignition electrodes

FLS ame sensor

CNTBOX ame control unit

BLW blower

MC 230Vac power supply terminal box

PWRTR board transformer

TG antifreeze thermostat for syphon resistance

RS syphon resistance

Features and technical data

16

1

Figure1.11 Gitié package wiring diagram - base version

MA Terminal block

MOD.0 GAHP or ACF unit

MOD.1 AY00-120 unit

SCH1 Controller S61

SCH5 S70+AY10 electronic boards

TER Package power supply terminal box

J2-J10 Control jumpers of system water pumps ("closed")

Figure1.12 Gitié package wiring diagram with KIT/2 C0

MOD.0 GAHP or ACF unit

MOD.1 AY00-120 unit

SCH1 Controller S61

SCH5 S70+AY10 electronic boards

TER Package power supply terminal box

J2-J10 Control jumpers of system water pump ("open")

MA Terminal block

V2V0-V2V1 Motorised valves

Features and technical data

Installation, use and maintenance manual – Gitié AHAY

17

1

Figure1.13 Gitié package wiring diagram with KIT/2 C1 or with KIT/4 C1

MOD.0 GAHP or ACF unit

MOD.1 AY00-120 unit

SCH1 Controller S61

SCH5 S70+AY10 electronic boards

TER Package power supply terminal box

J2-J10 Control jumpers of system water pumps ("closed")

MA Terminal block

PM0-PM1 System water pumps

A Position of pumps ow rate adjustment screw

Figure1.14 CAN connection between AY10 board and S61 (pre-wired in the factory)

SCH5 S70+AY10 electronic boards

SCH1 Controller S61

J1 Jumpers CAN-BUS on AY10 board and S61 board

A Terminal node connection - (3 wires; J1 jumpers = "closed")

C Terminal node connection - (3 wires; J1 jumpers = "closed")

H,L,GND Data signal wires (ref. cables table)

Features and technical data

18

1

1.5 ELECTRONIC BOARDS

GAHP A unit electronic boards (S61+Mod10)

In the electrical panel on the GAHP A unit there are:

▶

Electronic board S61 (Figure 1.15

p. 18

), with micropro-

cessor, it controls the appliance and displays data, messages

and operative codes. The appliance is monitored and pro-

grammed by interacting with the display and the knob.

▶

Auxiliary Mod10 electronic board (Figure 1.16

p. 19

),

overlapping S61, it handles power modulation of the burner,

fan and water circulation pump.

▶

Satellite W10 electronic board (Figure 1.17

p.19

), inter-

connected to the S61 board and located next to it, used to

control defrosting operations of the GAHP unit.

Figure1.15 Electronic board S61

SCH1 Controller S61

SCH3 Mod10 electronic board (see specic gure

for further details)

A1, A2 Auxiliary inputs

ENC Knob

F1 T 2A fuse

F2 T 10A fuse

F3 T 2A fuse

F4 T 3,15A fuse

FAN (BK, WH, BR) Fan output

FS5 (24V AC) board supply 24-0-24 Vac

IGN.BOX (L, N) Flame controller power supply

230 Vac

J1 CAN bus Jumper

J10 Jumper N.O. contact

J82 W10 board connector (on Mod10)

JP10 6-pole ame controller connector

JP12 Flue gas probe or generator n probe input

JTAG S61 board programming connector

MAIN 230V (L, N) S61 board supply input 230 Vac

N.O. CONTACT Normally open pump contact

P7 (R, W, Y, O) Enable input

P8 (GND, L, H) CAN bus connector

PUMP 230V (L, N) Oil pump supply output

SPI Communication port with Mod10

controller

SRT1 Oil pump rotation sensor input

SRT2 Hot water owmeter input

TA Ambient air temperature probe input

TA1 Evaporator output probe input

TA2 Not used

TCN Combustion air temperature probe input

TF Flue gas thermostat input

Features and technical data

Installation, use and maintenance manual – Gitié AHAY

19

1

Figure1.16 Mod10 controller

HFLOW Not used

CFLOW Condensation water sensor control

J51 S61 connector

HPMP Primary circuit hot water pump control

output (0-10 V)

CPMP S1 low consumption fan control output

(0-10 V)

NC1-C1 Status indication of locking warnig/error

CN5 Blower control

J82 W10 auxiliary controller connector

J83 W10 cable shielding connection

CN1 Inputs 0-10V (not used)

1235 4

Figure1.17 W10 electronic controller

FS1 Defrosting valve contact

JP1 Communication with S61/Mod10

AY00-120 Unit electronic boards (S70+AY10)

In the electrical panel on the AY00-120 unit there are:

▶

AY10 electronic board (Figure 1.18

p.20

), with micropro-

cessor, it controls the appliance and displays data, messages

and operative codes. The appliance is monitored and pro-

grammed by interacting with the display and the knob.

▶

S70 auxiliary electronic board (Figure 1.18

p.20

).

Features and technical data

20

1

Figure1.18 AY10+S70 electronic boards

TL Limit thermostat connector

ENC Knob

EV Gas solenoid valve connector

LS Gas valve ON signal lamp connector

P1 6 pole ame controller connector

TF Exhausted gas thermostat connector

PD System water dierential pressure switch

A1, A2 Auxiliary inputs

J2 System water circulator jumper

N.O. CONTACT System water circulating pump control terminals (max 700 W)

V3V (1-2-N) Appliance circulation pump connecting terminals

MAIN 230V (L, N) Board power supply 230 Vac

IGN.BOX (L, N) Flame controller power supply 230 Vac

P1 Connector for blower drive

THRC Return hot water temperature connector

THMC Delivery hot water temperature connector

TA2-TA1 Auxiliary temperature probes connector

J1 CAN bus Jumper

P8 (GND, L, H) CAN bus connector

P7 (R, W, 0) Enable input

FS5 Board supply connector

F1-F2 Fuses

1.6 CONTROLS

Control device

The appliance may only work if it is connected to a control de-

vice, selected from:

▶

(1) pre-congured DDC control

▶

(2) external enables

1.6.1 Adjustment system (1) with pre-congured

DDC control

The main functions are:

▶

Adjustment and control of the GAHP/GA unit and AY00-120

unit in cascade (ON/OFF mode).

▶

Data display and parameters setting.

▶

Hourly programming.

▶

Climatic curve control.

▶

Diagnostics.

▶

Errors reset.

▶

Possibility to interface with a BMS.

DDC functionality may be extended with auxiliary Robur devices

RB100 and RB200 (e.g. service requests, DHW production, Third

Party generator control, probe control, system valves or circulat-

ing pumps, ...).

1.6.2 Adjustment system (2) with external enables

The appliance may also be controlled via generic enable devic-

es (e.g. thermostats, timers, buttons, contactors...) tted with

voltage-free NO contacts. This system only provides elementary

control (on/o, with xed setpoint temperature), without the

important functions of system (1). Control of the cascade be-

tween GAHP/GA and AY00-120 is left to the user.

For connection of the selected device to the appliance's

electronic board please refer to Paragraph 4.4

p.31

.

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Robur GITIE' AHAY Installation, Use And Maintenance Manual

Robur GITIE' AHAY Installation, Use And Maintenance Manual

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