Gasmaster R Series, Installation Manual, Page: 62 / 81

Part 10 - Lighting the appliance / First start-up
Parameter Description Unit Default Min. Max. Note
no. Imperial
(SI)
0 Maximum CH °C (°F) 80 (176) 20 (68) 85 (185)
temperature
setting
1 Maximum CH % 100 0 100
power
2 Maximum time for Minutes 10 0 60
modulation
to full power
3 Pump overrun time Minutes 1 0,5 C (continues) Time max. 30 min.
CH C=Pump continuously
4 Maximum flow % 100 50 100
pump for CH
operation
5 Minimum flow % 50 40 100
pump for CH
operation
6 dT Supply/Return
K/°F
15/28 5/9 30/54
K=displayed on old boilers
AQM17..
°F=shown on new boilers serial
AQM20..and later
CH operation
7 Outside sensor 0 0 1 0=no outside sensor
present 1=outside sensor
present / weather dependent
control activated
8 K factor for 4 0.5 6
weather-dependent
control
9 K factor for 2 0.5 6
weather-dependent
control night mode
10 Offset outside K / °F 0 / 0 -15 / -27 +15 / 27
K=displayed on old boilers AQM17..
°F=shown on new boilers serial
AQM20..and later
sensor set point
11 Tap water 0/1 0 2 0= Hxx default (No DHW)
configuration 1= Cxx default (Combi)
2= Hxx storage tank operation
12 Required tap water °C (°F) 61 (142) 40 (101) 70 (158)
temperature
14 Flue gas sensor 2 0 2 0= High limit switch
type 1=NTC
2=High limit switch
and NTC
15* Gas type 1 1 2 1 = Natural gas G20
2 = LPG*.
16 Option print 0 0 99
configuration
17 Anti fast-cycle time Minutes 2,5 0 10
18 Maximum power % 100 0 100
DHW
19 0 0 1 Not used.
Do not change.
20 Pressure sensor 0 0 1 0 = activated
de-activated 1 = deactivated
21 Reset to default 0 0 255 111 = reset to factory defaults
values (requires manual calibration)
22** °F & PSI Setting 1 1 2
1=LCD screen displays PSI
and °F
Table 10.1Setting parameters
•
*FOR PROPANE usage. On C100, C140, H100 and H140 units, the does not require a gas
pipe changed, only a setting change on 15 from 1 to 2. When using propane on a H200 or C200 the Gas
pipe in the boiler MUST BE CHANGED. It is a separate part NOT included in the box and needs to be
ordered from your supplier. Part number
202-1331
•
**All boilers with serial numbers AQM19…., AQM20…, and higher will display PSI and °F by default and do
not have capability to switch to °C and Bar. The °F and PSI boilers will have an LCD screen sticker on the
back that show CP37.03. Old ones with °C and Bar will show CP37.02
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R Series