8
C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS
IMPORTANT: Do not operate this unit without the exhaust/combustion air inlet hood
properly installed. This hood is shipped in a carton in the blower compartment inside
the unit and must be attached when the unit is installed. See Figure 3.
To
a
tt
a
ch exh
a
ust/combustion
a
ir inlet hood:
1. Remove screws securing blower
a
ccess p
a
nel
a
nd remove
a
ccess p
a
nel. For loc
a
tion of
blower
a
ccess p
a
nel, see Figure 2.
2. Remove exh
a
ust/combustion
a
ir inlet hood from the c
a
rton, loc
a
ted inside the blower
comp
a
rtment.
3. Att
a
ch blower
a
ccess p
a
nel.
4. Att
a
ch the combustion
a
ir inlet/exh
a
ust hood with screws. Reference Figure 3 for proper
loc
a
tion. Screws
a
re in c
a
rton with the hood.
5. Vent the unit using the flue exh
a
ust hood,
a
s supplied from the f
a
ctory, without
a
lter
a
tion
or
a
ddition.
D. COVER PANEL INSTALLATION/CONVERSION PROCEDURE
DOWNFLOW TO HORIZONTAL
1. Remove the screws
a
nd covers from the outside of the supply
a
nd return sections.
2. Inst
a
ll the covers in the bottom supply
a
nd return openings with the p
a
inted side up.
See Figure 6. Use the existing g
a
sket to se
a
l the covers.
3. Secure the supply cover to the b
a
se of the unit with 1 screw, eng
a
ging prepunched
t
a
b in unit b
a
se.
4. Secure the return cover to the b
a
se of the unit with screws eng
a
ging prepunched
holes in the unit b
a
se.
This unit is provided with 2 - 25
X 16
X 1
dispos
a
ble filters. When repl
a
cing filters,
ensure they
a
re inserted fully to the b
a
ck to prevent byp
a
ss.
E. CLEARANCES
The following minimum cle
a
r
a
nces must be observed for proper unit perform
a
nce
a
nd
service
a
bility. Reference Figure 7.
NOTE: Supply duct m
a
y be inst
a
lled with “0’ inch cle
a
r
a
nce to combustible m
a
teri
a
ls,
provided 1
minimum Fibergl
a
ss insul
a
tion is
a
pplied either inside or on the outside of
the duct.
Recommended
Cle
a
r
a
nce
Loc
a
tion
4
8
A - Front
1
8
B - Condenser Coil
12
*
C - Duct Side
36
D - Ev
a
por
a
tor End
60
E - Above
*Without Economizer. 57 With Economizer
FIGURE 6
COVER GASKET DETAIL FOR UNITS SHIPPED FOR DOWNFLOW APPLICATION
BEING CONVERTED TO HORIZONTAL
I631
Summary of Contents for RKNA SERIES
Page 24: ...24 FIGURE 20 FIGURE 21 INTEGRATED FURNACE CONTROL SPEED TAP BLOCK FIGURE 22...
Page 25: ...25 FIGURE 22 Continued...
Page 55: ...55 FIGURE 23 WIRING DIAGRAM...
Page 56: ...56 FIGURE 24 WIRING DIAGRAM...
Page 57: ...57 FIGURE 25 WIRING DIAGRAM...
Page 58: ...58 FIGURE 26 WIRING DIAGRAM...
Page 59: ...59 FIGURE 27 WIRING DIAGRAM...
Page 60: ...60 FIGURE 28 WIRING DIAGRAM...
Page 61: ...61 FIGURE 29 WIRING DIAGRAM...
Page 62: ...62 FIGURE 30 SYSTEM CHARGE CHARTS 3 TON COOLING 13 SEER...
Page 63: ...63 FIGURE 31 SYSTEM CHARGE CHARTS 3 5 TON COOLING 13 SEER...
Page 64: ...64 FIGURE 32 SYSTEM CHARGE CHARTS 4 TON COOLING 13 SEER...
Page 65: ...65 FIGURE 33 SYSTEM CHARGE CHARTS 5 TON COOLING 13 SEER...
