Installation instructions
RTG 199 HE – 6 720 811 617 (2016/01)
22
PP Concentric up and out venting - RTG 199 HE
Cascade common venting system
Adjusting minimum power fan speed (P2)
To select fan speed:
▶ Press ON/OFF button
into ON.
▶ Immediately following, press and hold simultaneously buttons
or
and
for 3 seconds, until display reads P2.
Fig. 28
▶ Press
to enter P2 adjustment. The current setting will appear on
the display (factory default).
▶ Press
or
to choose the fan speed suitable with your
installation, see table 28 and table 29.
▶ Press and hold (
5 sec.) “Program” button
until the display
flashes, then the selected value is memorized.
Adjusting maximum power fan speed (P1)
To select fan speed:
▶ Press ON/OFF button
into ON.
▶ Immediately following, press and hold simultaneously buttons
or
and
for 3 seconds, until display reads P2.
Fig. 29
▶ Press the minus button
to display P1.
▶ Press “Program” button
to enter P1 adjustment. The current
setting will appear on the display.
▶ Press
or
to choose the fan speed suitable with your
installation, see table28 and table 29.
Natural Gas
Liquid
propane
Natural Gas
Liquid
propane
Altitude (above
sea level)
Vent
terminal
Total equivalent vent
length
1)
Minimum
power fan
speed (P2)
Minimum
power fan
speed (P2)
Maximum
power fan
speed (P1)
Maximum
power fan
speed (P1)
0 - 2000 ft
(0 - 610 m)
Concentric
3.5 - 39 ft
No
modification
required
No
modification
required
No
modification
required
No
modification
required
For operation at
elevations above
2,000 ft (610 m) the
equipment ratings
shall be reduced at
the rate of 4% for
each 1,000 ft (305
m) above sea level
40 - 86 ft
Twin
system
3.5 - 59 ft
60 - 126 ft
2000 - 4500 ft
(610 - 1372 m)
Concentric
3.5 - 39 ft
11*
14*
52*
52*
40 - 86 ft
11*
14*
53*
53*
Twin
system
3.5 - 59 ft
10*
13*
52*
52*
60 - 126 ft
11*
14*
53*
53*
4500 - 8000 ft
(1372 - 2439 m)
Concentric
3.5 - 39 ft
11*
14*
53*
53*
40 - 86 ft
13*
16*
53*
53*
Twin
system
3.5 - 59 ft
11*
14*
53*
53*
60 - 126 ft
12*
15*
53*
53*
* Above 2000 ft, CO2 levels must be checked with a combustion gas analyzer, see chapter 7.5 for instructions.
Table 29 Fan speed adjustment for 4" piping
1) Full equivalent length (inlet + outlet fittings)
Altitude
NG P2
LP P2
NG P1
LP P1
0 - 2000
no change
no change
no change
50
2000 - 4500
no change
no change
no change
50
4500 - 8000
no change
no change
no change
50
Table 30 Fan speed adjustment for concentric up and out vent
Altitude
Total
equivalent
length
NG P2
LP P2
NG P1
LP P1
0 - 2000
4 - 100ft
19
19
no change no change
2000 - 4500
4 - 100ft
20
20
52
53
4500 - 8000
4 - 100ft
20
20
53
53
Table 31 Fan speed adjustment for cascade vent
+
P
Proceed directly to chapter 7.5 to confirm CO
2
values
are within range.
P
+
P
+
P
P
+
