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GENERAL

                 1. VERSION  GB 

SUITABILITY 

GHISS R ..., and GHISS B... boilers have been certified 

according to the following European standards: 

o

  90/396/CEE gas directive 

o

  92/42/CEE degree of efficiency directive 

o

  89/336/CEE electromagnetic suitability directive 

o

  73/23/CEE low voltage directive 

DEVICES 

Type 

Ignition 

Heating 

pump 

Start-up 

container  

GHISS ... R AP 

piezo 

GHISS ... R AE 

ionisation - 

GHISS ... R AP PV piezo 

in place 

GHISS ... R AE PV ionisation in place 

GHISS ... B AP 

piezo 

in place 

GHISS ... B AE 

ionisation - 

in place 

GHISS ... B AP PV piezo 

in place 

in place 

GHISS ... B AE PV ionisation in place 

in place 

Dear Customer,  

Thank  you  for  purchasing  the  gas  boiler  of  Unical.  Thus 

you  have  become  the  owner  of  a  high  technical  quality 
device operating economically and safely. 

Congratulations!  

Please  check  the  completeness  and  intactness  of  the

product! 

Do  not  remove  and  do  not  damage  the  labels  found  on
the device!  

This  document  is  the  operating  and  maintenance 

instructions.  The  guarantee  slip  found  in  the  attachment 
must be stamped upon purchase and commissioning and

must be filled in legibly! 

Please,  in  your  own  interest,  read  the  information  we 

presented  on  the  following  pages  carefully,  and  keep  it 
because you will need it later too. 

If you take our advice, our product will serve you reliably 

for long years to come. 

TABLE OF CONTENTS 

GENERAL 

Suitability

.......................................................................2 

Devices

..........................................................................2 

Important details to know

................................................3 

Basic safety rules

...........................................................3 

General introduction

.......................................................4 

Identification

...................................................................4 

Construction

...................................................................4 

Technical data

................................................................6 

Hydraulic operation

........................................................8 

Pump

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

Electric connection diagrams

........................................10 

Operating surface

.........................................................12 

THE OPERATION OF THE DEVICE 

Switching on

.................................................................13 

Setting the boiler thermostat

.........................................17 

Temporary shut-down

...................................................17 

Shutting down for a longer period of time

......................17 

Cleaning

.......................................................................17 

Maintenance

................................................................17 

THE INSTALLATION OF THE DEVICE 

The documentation of the device

..................................18 

Sizes and weight

..........................................................18 

The boiler room

............................................................20 

The connection of the boiler to the existing old heating 

system

.........................................................................20 

Hydraulic connection

....................................................20 

Electric connections

.....................................................22 

Gas connection

............................................................23 

Conducting combustion products

..................................23 

Filling up and draining the system

.................................24 

SEVICE INSTRUCTIONS 

Preparations for start-up

...............................................25 

First start-up

.................................................................25 

Checking during operation

............................................27 

Shutting down for a longer period of time

......................28 

Maintenance

................................................................28 

Calibration

....................................................................29 

Switching over to another gas type

...............................30 

Cleaning the boiler

.......................................................31 

The operating instructions contain the following symbols: 

  Warning = this operation requires greater attention! 

  Prohibition = this operation must not be carried out! 

Summary of Contents for GHISS 16R AP

Page 1: ...4 32 R AP PV GHISS 16 24 32 R AE PV GHISS 16 24 32 40 B AP GHISS 16 24 32 40 B AE GHISS 16 24 32 B AP PV GHISS 16 24 32 B AE PV USER S MANUAL AND OPERATING INSTRUCTIONS STANDARD GAS DEVICE WITH CAST I...

Page 2: ...ation we presented on the following pages carefully and keep it because you will need it later too If you take our advice our product will serve you reliably for long years to come TABLE OF CONTENTS G...

Page 3: ...year The present operating instructions contains all the important information in connection with the use of the device for the user therefore it is practical to keep it close to the boiler If the de...

Page 4: ...ump on building heating side automatic de airing valve closed expansion tank and safety blow off valve or the version without those made for already existing heating systems Its hot water container ha...

Page 5: ...d pipe 12 Gas pipe 13 Gas valve 14 Ignition controller only on AE type 15 Ignition electrode 16 Nozzle holding collector 17 Pressure meter 18 Draining tap 19 Expansion tank 20 Filling tap 21 100 l tan...

Page 6: ...sure mbar 25 Burner nozzle pressure H mbar 12 8 12 5 11 6 12 11 5 11 5 Burner nozzle pressure S mbar 14 5 13 5 12 5 13 12 5 13 Burner nozzle diameter H mm 2 35 2 35 2 35 2 35 2 45 2 45 Burner nozzle d...

Page 7: ...water pressure bar 6 6 6 6 Container test overpressure bar 10 10 10 10 Gas technical data Classification according to gas used II2H S3B P Piped natural gas Connecting gas pressure mbar 25 Burner nozz...

Page 8: ...S R AE PV type devices Legends 1 Forward 2 Return 3 Gas 4 Network water 5 Draining 6 Filling up 7 Hot water for use 8 Circulation 9 Hot water for use drainage 10 Boiler thermostat 11 Restricting therm...

Page 9: ...save electric energy The pressure loss of PV type boilers Upon the first start up of the boiler and after a longer shut down it is practical to check the turnability of the axle of the pump with the...

Page 10: ...t F B T Smoke gas safety thermostat F T Fixed thermostat SZ T Room thermostat N Neutral conductor F SZ Heating circulation pump L Phase conductor L J Indicator lamp flame indicator PE Protective groun...

Page 11: ...ke gas safety thermostat F T Fixed thermostat SZ T Room thermostat N Neutral conductor F SZ Heating circulation pump L Phase conductor L J Indicator lamp flame indicator PE Protective grounding 1L Gas...

Page 12: ...meter 2 Smoke gas restricting thermostat 3 Temperature restricting thermostat 4 Main switch 5 Winter Summer switch 6 Mode of operation indicator lamp 7 Error indicator lamp 8 Reset button lighted 9 Bo...

Page 13: ...lot light burner by pressing the piezo ignition 2 3 times then release the button after 15 20 seconds If switching on is unsuccessful it is to be repeated in 2 minutes required for the short ventilati...

Page 14: ...Set the boiler regulating thermostat 9 according to the desired temperature Set the mode of operation switch 5 according to the desired mode of operation and turn it on Winter mode of operation heatin...

Page 15: ...hen turn on again the exterior separator switch of the boiler o Check the setting of the room thermostat and carry out on it a switching on and a switching off o Check the setting of the boiler temper...

Page 16: ...or the room thermostat goes off o In the event of an ignition error the illuminated reset button is lit in red AE o The procedure of re starting is the following press the reset button wait until the...

Page 17: ...t at minimum o Set the room thermostat at 10 C SHUTTING DOWN FOR A LONGER PERIOD OF TIME In this case the following is to be done o Turn off the main switch of the boiler the green light goes off o Tu...

Page 18: ...carefully and abide by the advice and instructions described The external deflector belonging to the GHISS R 48 and 56 devices are attached in a separate box SIZES AND WEIGHT GHISS 16 24 32 40 R GHISS...

Page 19: ...AP GHISS B AE GHISS B AP PV GHISS B AE PV Type GHISS 16 B GHISS 16 B PV GHISS 24 B GHISS 24 B PV GHISS 32 B GHISS 32 B PV GHISS 40 B A 635 635 635 635 mm B 317 5 317 5 317 5 317 5 mm C 130 130 130 15...

Page 20: ...of the fuel specified for the boiler according to the standards o The closed expansion tank of the system should be of the necessary size and pre tensioning pressure so it can compensate the changes...

Page 21: ...S B AP PV GHISS B AE PV GHISS B 16 GHISS B16 PV GHISS B 24 GHISS B24 PV GHISS B 32 GHISS B32 PV GHISS B 40 1 forward 1 2 return 1 3 gas 4 cold water for use 5 hot water for use 6 circulation A 240 315...

Page 22: ...e located within the appliance box Access can be achieved in the following way o Lift off the top of the boiler which is fixed by snaps o Screw out the screws of the top of the appliance box now you h...

Page 23: ...d for and what is at disposal upon connection o Check the cleanness of the gas pipe and if necessary install a filter in front of the boiler The gas connection must ensure gas of the appropriate quant...

Page 24: ...ND DRAINING THE SYSTEM With the GHISS R AP and GHISS R AE type devices the filling up of the system can be executed through the filling up draining tap on the boiler With the GHISS R AP PV and GHISS R...

Page 25: ...with the GHISS B type the boiler performs only the production of hot water for use while in the case of the GHISS R type if the indirect container and the necessary electronic unit are connected In o...

Page 26: ...ppen that during continuous operation the boiler stops and the error indicator lamp lights up For re establishment do the following o Take off the door of the boiler fastened by snaps o There are two...

Page 27: ...g it on and off o The operation of the boiler thermostat by turning it off and on o The operation of the room thermostat by turning it off and on o The operation of the pump o The operation of the ext...

Page 28: ...drain the water from the heating and the hot water for use systems MAINTENANCE Based on the standards and regulations gas devices require regular maintenance and periodical check ups This increases th...

Page 29: ...17 25 9 17 17 37 14 17 29 5 14 17 29 5 14 17 29 5 Number of nozzles pcs 2 3 4 5 6 7 Nozzle size mm 2 35 1 45 1 45 2 35 1 45 1 45 2 35 1 6 1 6 2 35 1 6 1 6 2 45 1 6 1 6 2 45 1 6 1 6 Nozzle pressure mb...

Page 30: ...measuring stub A o Start the boiler in the manner introduced earlier o Remove closing valve number 1 of the gas valve o With the help of bolt number 2 set the pressure value to the value specified in...

Page 31: ...ned and the inside surface of the cast heat exchanger becomes accessible o Check the cleanness of the surfaces of the heat exchanger and clean it if soot settlement is visible If the layer of soil is...

Page 32: ...the condition of the anode rod and the washer ring if need be replace 9 Check the condition of the boiler filling up pipe manually clean it mechanically during the course of self feed rinsing 3 Remov...

Page 33: ...33 SERVICE INSTRUCTIONS 1 VERSION GB...

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