17
B. HOOK-UP
To wire unit, refer to the following hook-up di
a
gr
a
m.
Refer to Figures 3
a
nd 1
8
for loc
a
tion of wiring entr
a
nces.
Wiring to be done in the field between the unit
a
nd devices not
a
tt
a
ched to the unit, or
between sep
a
r
a
te devices which
a
re field inst
a
lled
a
nd loc
a
ted, sh
a
ll conform with the
temper
a
ture limit
a
tion for Type T wire [63°F rise (35°C)] when inst
a
lled in
a
ccord
a
nce
with the m
a
nuf
a
cturer’s instructions.
C. INTERNAL WIRING
IMPORTANT: Some single ph
a
se units
a
re equipped with
a
single pole cont
a
ctor.
C
a
ution must be exercised when servicing
a
s only one leg of the power supply is broken
with the cont
a
ctor.
Some models
a
re equipped with electronic
a
lly commut
a
ted blower motors which
a
re
const
a
ntly energized, unless the m
a
in unit disconnect is in the off position.
A di
a
gr
a
m of the intern
a
l wiring of this unit is loc
a
ted under the electric
a
l box cover
a
nd
this m
a
nu
a
l. If
a
ny of the origin
a
l wire
a
s supplied with the
a
ppli
a
nce must be repl
a
ced,
the wire g
a
uge
a
nd insul
a
tion must be s
a
me
a
s origin
a
l wiring.
Tr
a
nsformer is f
a
ctory wired for 230 volts on 20
8
/230 volt models
a
nd must be ch
a
nged
for 20
8
volt
a
pplic
a
tions. See unit wiring di
a
gr
a
m for 20
8
volt wiring.
D. THERMOSTAT
The room thermost
a
t must be comp
a
tible with the sp
a
rk ignition control on the unit.
Gener
a
lly,
a
ll thermost
a
ts th
a
t
a
re not of the “current robbing” type
a
re comp
a
tible with
the integr
a
ted furn
a
ce control. The low volt
a
ge wiring should be sized
a
s shown in T
a
ble
6.
Inst
a
ll the room thermost
a
t in
a
ccord
a
nce with the instruction sheet p
a
cked in the box
with the thermost
a
t. Run the thermost
a
t le
a
d wires inside the blower comp
a
rtment
a
nd
connect to low volt
a
ge termin
a
ls
a
s shown on the wiring di
a
gr
a
m. Never inst
a
ll the ther-
most
a
t on
a
n outside w
a
ll or where it will be influenced by dr
a
fts, conce
a
led hot or cold
w
a
ter pipes or ducts, lighting fixtures, r
a
di
a
tion from firepl
a
ce, sun r
a
ys, l
a
mps, televi-
WIRE SIZE, AWG
FIGURE 18
FIGURE 19
TYPICAL THERMOSTAT WIRING
14
1/2
7/
8
12
1/2
7/
8
10
1/2
7/
8
8
3/4
1-31/32
6
1
1-23/64
4
1
1-23/64
3
1-1/4
1-23/32
2
1-1/4
1-23/32
1
1-1/2
1-31/32
0
1-1/2
1-31/32
00
2
2-15/32
000
2
2-15/32
CONDUIT SIZE
HOLE SIZE
I65
8
NOTES:
1. DETERMINE REQUIRED WIRE SIZE FROM MINIMUM CIRCUIT AMPACITY SHOWN IN INSTALLATION & OPERATING INSTRUCTION.
2. BOTTOM POWER ENTRY WILL NOT ACCOMMODATE WIRE LARGER THAN #2 AWG (SHADED AREA).
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...
