Lochinvar Power-Fin 502 Installation & Operation Manual page 17

2
Venting
(continued)
Condensing vent options: CAT II & IV
(CAT II vent options A, B, & C requires an adapter kit - see page 14)
DirectAire Vertical installation with sidewall combustion air inlet - see
C
page 15.
The DirectAire Vertical with a Sidewall Combustion Air Vent system terminates the flue at the rooftop and air inlet
at the sidewall. The flue outlet and combustion air intake terminate in different pressure zones.
CAT II/IV
The optional DirectAire vent system requires the installation of specific venting materials that are purchased locally.
The termination point for the flue products must follow the vertical vent termination clearance requirements on
pages 27 and 28. These units can be identified by the Category IV and the control number M9 as noted on the
unit's rating plate.
CAT II
Follow all requirements in the General Venting and Category IV General Venting sections for proper installation and
requires an
for venting flue products to the outdoors with a vertical termination (see pages 22 and 23).
adapter kit.
The DirectAire Vertical system requires the installation of an additional pipe to supply combustion air from
See page 14.
outdoors directly to the appliance. Follow all requirements under the Combustion Air Inlet section on pages 25
and 26.
Sidewall combustion air inlet: The air inlet cap for the sidewall air inlet must be purchased from the appliance
manufacturer.
The part numbers for the required sidewall air inlet cap kit are listed by model. Each kit includes the special
Air Inlet Cap
combustion air inlet cap for installation on an exterior sidewall. The sidewall air inlet cap supplied in the kit is sized
to provide combustion air for a single appliance only.
CAT II
MODEL
AIR VENT
SIZE SIZE
PB/FN0502-M9 5"
PB/FN0752-M9 5"
PB/FN1002-M9 6"
PB/FN1302-M9 6"
Sidewall termination with combustion air from equipment room - see
D
15.
The connection from the appliance flue outlet to the sidewall vent cap MUST be made with listed Category IV
vent materials and accessories. The installer must supply suitable vent pipe material. The sidewall vent cap must
CAT IV
be purchased from the appliance manufacturer.
The sidewall vent cap kit includes the wall penetration assembly and the discharge screen assembly. All required
Category IV vent pipe and fittings must be purchased locally.
The termination point for the flue products must follow the sidewall vent termination clearance requirements on
pages 28 and 29. These units can be identified by the Category IV and the control number M9 as noted on the
unit's rating plate. Note: PB/FN0502 - 1302 - F9 models with Category I sized vent connection can be sidewall
vented with Category IV vent material using the vent decreaser included in the SVK Kit listed in Table 2F. This
venting technique with corresponding vent decreasers is not available on the larger PB/FN1501 - 2001 models.
Follow all requirements in the General Venting and Category IV General Venting sections for proper installation
Vent Cap
and for venting flue products to the outdoors with a sidewall termination (see pages 22 and 23).
MODEL
PB/FN0502-M9
PB/FN0752-M9
PB/FN1002-M9
PB/FN1302-M9
AIR INLET CAP TERMINATIONS
CAT IV
CAT IV
KIT
AIR VENT
NUMBER
SIZE SIZE
7" 5" 4" SAK3003
9" 5" 5" SAK3003
10" 6" 6" SAK3004
12" 6" 8" SAK3004
FLUE VENT TERMINATION SIZES
CAT IV
CAT IV
KIT
VENT SIZE
4" SVK3069 PB/FN0502-F9
5" SVK3070 PB/FN0752-F9
6" SVK3018 PB/FN1002-F9
8" SVK3068 PB/FN1302-F9
TABLE - 2E
MODEL
AIR
SIZE
PB/FN1501-M9
PB/FN1701-M9
PB/FN2001-M9
--
TABLE - 2F
CAT IV
CAT IV
MODEL
VENT SIZE
4" SVK3056
5" SVK3057
6" SVK3058
8" SVK3059
Installation & Operation Manual
CAT II CAT IV
VENT AIR VENT
SIZE SIZE SIZE
6" 8" 6" 6"
7" 9" 7" 7"
8" 10" 8" 8"
-- -- -- --
CAT IV
MODEL
KIT
VENT SIZE
PB/FN1501-M9 6"
PB/FN1701-M9 7"
PB/FN2001-M9 8"
--
--
CAT
IV KIT
NUMBER
SAK3004
SAK3005
SAK3006
--
page
CAT IV
KIT
SVK3018
SVK3019
SVK3068
--
17