Laars FTCF140 Installation And Operation Instructions Manual page 7

combustion readings. At this point, just record the CO 2 readings at MAX Fire. Do NOT attempt to adju
Table D for acceptable MIN fi re combustion readings.
CO 2 at MAX Fire. ONLY in MIN Fire, so...
20.
18.
If CO 2 readings in Max Fire and MIN fi re are acceptable, then skip ahead to Step 23. If not, then open the
The FT Series Floor Standing, Combination Boiler Per Table B for MIN Fire , change dip switch 6 to OFF and 7 to ON. The unit will cycle down to MIN Fire.
19.
Gas Valve Adjustment Port by removing the cap screw with a 4mm Allen wrench. See Figure E.
WAIT for your combustion analyser to stabilize. Then check the CO 2 measurement at MIN fi re. Refer to
21.
Then use the 4 mm Allen wrench to make a minor adjustment (1/8 turn) to either increase or decrease CO
Table D for acceptable MIN fi re combustion readings.
20.
If CO 2 readings in Max Fire and MIN fi re are acceptable, then skip ahead to Step 23. If not, then open the
Model Name
Gas Valve Adjustment Port by removing the cap screw with a 4mm Allen wrench. See Figure E.
21.
Then use the 4 mm Allen wrench to make a minor adjustment (1/8 turn) to either increase or decrease CO
Gas Input Rate
Hot Water Capacity
Flue System
Gas Supply Pressure
Manifold Pressure
Power Supply
Ignition System
Burner System
Gas Valve System
Minimum Flow Rate
Dimensions
Shipping Weight
Sub Heat Exchanger Water Capacity(DHW)
Main Controller / Control Panel
Water Pressure
Connection Sizes
Materials
Safety Devices
Note; The greatest installation difference between the FTCF140 and FTCF199, other than general output capability
(BTU's), is that the air inlet and exhaust vents are opposite. See Section 2.4
Manifold pressure
MAX
MAX Fire
MIN
FTCF140
Manifold pressure 35°F Rise
MIN Fire
MAX Fire
45°F Rise
MAX Fire
FTCF199
77°F Rise
FTCF140
MIN Fire
MIN Fire
Table C
Installation
MAX Fire
FTCF199
MIN Fire
Vent Run
Table C
value
NG
CO
2
LP
MAX Fire
Gas Type
value
FTCF140
CO
2
MIN Fire
Vent size
MAX Fire
Min fire MAX Fire
FTCF199
FTCF140 FTCF140
Low fire
MIN Fire
MIN Fire
20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355
MAX Fire
Table D
Main Supply
FTCF199
MIN Fire
Maximum Power
20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355
Consumption
Table D
Cold Water Inlet / Hot
Water Outlet
Space Heating
Supply / Return
Gas Inlet
Casing
Heat Exchanger
'NG' type combustibility
2" VENT 3" VENT
"
-0.15 WC -0.216
'NG' type combustibility
"
WC 0.002
0
2" VENT 3" VENT
"
-0.134 WC
"
-0.15 WC -0.216
"
-0.015 WC
"
WC 0.002
0
Indoor / Floor stand type
"
-0.134 WC
Sealed Combustion Direct / Single / Concentric Vent/ SideWall Vent
"
-0.015 WC
2"(50ft) , 3"(100ft) Schedule 40 CPVC, PP
'NG' type combustibility
3.5" WC to 10.5" WC
2" VENT 3" VENT
8.0" WC to 13" WC
8.5~10.5%
'NG' type combustibility
LP
8~10%
2" VENT 3" VENT
2" VENT 3" VENT
8.5~10.0%
-0.15" WC 8.5~10.5% -0.216" WC
800.900.9276 • Fax 800.559.1583
8~10%
0.1" WC 8~10% 0.079" WC
8.5~10.0%
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.01
800.900.9276 • Fax 800.559.1583
8~10%
www.Laars.com
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.01
Direct Electronic Ignition / Automatic Flame Sensing
www.Laars.com
Single Orifice Premixed Fuel Modulation Ceramic Infrared
Combination modulating (Current proportional)
W15.7" - H53.7" – D26.7"
242 lbs
GTX-920CP / P-920C
Min 15 ~ Max 150 PSI
Cold Rolled Carbon Steel
Primary Heat Exchanger : Stainless Steel
Sub Heat Exchanger : Stainless Steel
Flame Rod, Overheat Cut Off Device, Gas Valve Operation
Detector, Exhaust Temperature High Limit Switch, Water
Temperature High Limit Switch
2
'LP' type combustibility
FTCF199
2" VENT
199,000 Btu/h
19,900 Btu/h " "
WC -0.15 WC
'LP' type combustibility
" 9.88 Gal "
WC 0.1 WC
2" VENT
"
7.7 Gal -0.173 WC
" "
WC -0.15 WC
"
4.8 Gal -0.015 WC
" "
WC 0.1 WC
"
-0.173 WC
"
-0.015 WC
'LP' type combustibility
2" VENT
9.5~11 %
'LP' type combustibility
NG
9~10.5 %
2" VENT
2" VENT
9.5~11 %
-0.15" WC 9.5~11 % -0.216" WC
(Customer Service, Service Advisors)
9~10.5 %
0" WC 9~10.5 % 0.002" WC
9.5~11 %
120V 60Hz / 6A
(Customer Service, Service Advisors)
9~10.5 %
160W
0.5 GPM
( 110 kg )
Under 15 Gallon
3/4" NPT
1" NPT
3/4" NPT
Page 7
3" VENT
"
-0.216 WC
"
0.079 WC
3" VENT
"
-0.216 WC
"
0.079 WC
3" VENT
3" VENT
3" VENT
(Applications Engine
(Applications Engine
p
p