Slant/Fin VGH-299-CH, Installation And Service Manual

Page: 4 / 128

E93.1601EN032.C VGH installation manual 4
C
ONTROL FUNCTIONS
.......................................................................................................................................... 71
12.8.1 Room thermostat only; CH mode 0 (Default setting) ..........................................................................71
12.8.2 CH with an outdoor temperature reset and thermostat; CH mode 1 .................................................72
12.8.3 CH with constant circulation system outdoor reset; CH mode 2 .......................................................74
12.8.4 CH with constant circulation and permanent heat demand; CH mode 3 ...........................................74
12.8.5 Central Heating with analog input control of setpoint; CH mode 4 ....................................................75
12.8.6 CH with analog input control of power output; CH mode 5 ................................................................76
D
EMAND FOR
D
OMESTIC
H
OT
W
ATER
................................................................................................................... 77
12.9.1 No Domestic Hot Water; DHW mode 0 ..............................................................................................77
12.9.2 DHW Storage with sensor; DHW mode 1 ...........................................................................................77
12.9.3 DHW Storage with thermostat; DHW mode 2 ....................................................................................78
12.9.4 Instantaneous water heating with plated heat exchanger; DHW mode 3 ..........................................78
12.9.5 Anti-legionella protection .....................................................................................................................79
12.9.6 Display menu structure summary. ......................................................................................................80
13 TEMPERATURE PROTECTION ...................................................................................................................................86
14 ERROR INFORMATION. ...............................................................................................................................................86
B
OILER HISTORY
. ................................................................................................................................................. 86
L
OCKOUT CODES
................................................................................................................................................. 87
B
LOCKING CODES
................................................................................................................................................ 90
W
ARNINGS
.......................................................................................................................................................... 92
15 CASCADING ..................................................................................................................................................................93
S
YSTEM SETUP
.................................................................................................................................................... 93
B
OILER CASCADE COMMUNICATION SETUP
. ............................................................................................................ 93
15.2.1 Setting the boiler address ...................................................................................................................94
15.2.2 E2prom address selection through e2prom setting. ...........................................................................94
15.2.3 Cascade – Heating only Managing boiler ...........................................................................................94
15.2.4 Cascade – Domestic Hot Water Settings ...........................................................................................95
15.2.5 Cascade – DHW priority ......................................................................................................................95
15.2.6 Cascade – Start/stop sequence ..........................................................................................................95
15.2.7 Cascade – Power balance mode ........................................................................................................96
C
ASCADE
– B
OILER ROTATION
.............................................................................................................................. 96
15.3.1 Next depending to start selection .......................................................................................................96
C
ASCADE
E
RROR HANDLING
................................................................................................................................ 97
15.4.1 Cascade Frost protection ....................................................................................................................97
15.4.2 Emergency mode ................................................................................................................................97
15.4.3 Loss of cascade communication .........................................................................................................97
16 SYSTEM TEST. ..............................................................................................................................................................98
17 COMMISSIONING THE BOILER ...................................................................................................................................99
F
IRST
:
FLUSHING THE BOILER WITH WATER
............................................................................................................ 99
S
ECOND
:
FILLING
&
VENTING THE BOILER AND THE SYSTEM
..................................................................................... 99
T
HIRD
:
CHECK THE WATER FLOW
........................................................................................................................... 99
M
OUNTING
C
ONDENSATE
T
RAP
............................................................................................................................ 99
C
HECKING GAS PRESSURE
................................................................................................................................. 100
F
IRING FOR THE FIRST TIME
................................................................................................................................ 100
18 ADJUSTING AND SETTING THE BOILER ............................................................................................................... 101
I
NTRODUCTION
.................................................................................................................................................. 101
18.1.1 Combustion table ............................................................................................................................. 101
18.1.2 Setting screws venturi- and gas valves: drawings ........................................................................... 102
A
DJUSTMENT PROCEDURES
................................................................................................................................ 103
V
ENTURI
R
EPLACEMENT
A
DJUSTMENT
................................................................................................................ 103
C
ONVERSION FROM NATURAL GAS TO PROPANE
................................................................................................... 104
S
TART
U
P
C
HECKLIST
........................................................................................................................................ 106
19 INSPECTION, MAINTENANCE AND SERVICE. ....................................................................................................... 108
G
ENERAL
.......................................................................................................................................................... 108
S
AFETY INSTRUCTIONS
C
RYSTALLINE
S
ILICA
....................................................................................................... 108
I
NSPECTION
,
MAINTENANCE AND SERVICE
. ........................................................................................................... 109
19.3.1 Mounting the burner door ................................................................................................................. 116
M
AINTENANCE
C
HECKLIST
................................................................................................................................. 117
20 USER INSTRUCTIONS ............................................................................................................................................... 118
21 INSTALLATION EXAMPLES ..................................................................................................................................... 118
22 SPARE PARTS. .......................................................................................................................................................... 123