Amana ERCF18-UO1B User manual

fill out the homeowner's reg;ist1!"dtiion
the be sure to include
the installation date.
Your warranty certificate is also sUl,plied with the unit. Read
car'efullly and note what is covered. the warranty certificate in a
you can find if necessary.
Read this manual You should become th'lrougll1ly l',,",ilh ...
unit's and the many it offers.
If additional instructions are call the dealer t1mou~:h whom
the was
IMPORTANT NOTE TO THE HOMEOWNER
IMPORTANT: To
LEAVE THIS MANUAL
WITH THE HOMEOWNER.
.•.. ... •Before this unit read this manual to
.. familiarize on the items
\, which must adhered to, as, clearance
around electrical spe:cificatiolrlS
refrig,:ralnt cOfilne,:ti,)Us and fQur hour
"Notice: It is the Owner's and Installer's res:ponsiibility
to locate this so as to pf()vi,le
and access fOf futufe maintenance
and "PTVlCP
OWNERS MANUAL
ctio
r
IN
I

ERCF24·UOlll ERCF3ll-U01B EllCFllIHI01B ERCF42·UOll:\ ERCF4S·\J01B ERCF4S·\J03B ERCF6ll-U01B ERCF6ll-U03B
SPECIFICATIONS
MODEL NUMBER
MANUFACTURING NUMBER
NOMINAL COOLING CAPACITY
(BTUH).
1HERMETIC COMPo {TYPE AND PHASE}
fL Amps
LA. Amps
ERCFllHl01B
18.000
TEC ttl
7.8
40.6
24,000
TEC
1,0
10,2
51.0
P67471·13C P61411-14C P61411-15C P67471·16C P67747·18C P67747·11C P67747.19C
30,000 36,000 42,000 48,000 48,000 60.000 60,000
.Cope 1,1l Cope 1):) Cope III Cope 1,0 Cope 3):) TEC 1,£l TEC $,tl
19.9 27.3
87.0 83.5 93.0 114.0 84.0 132.0 103.0 •
CONDENSER COil
Tol 00"
Rows
Fins/in.
Face Area Sq.
Ft
CONDENSER FAN MOTOR, PSC TYPE
LA.
I fL. Amps
I Oil Ports
:Ys
11'.1
17
8.65
'/10
.90
.70
Sleeve
Yes
%
1Y2
17
8.65
2.20
1.20
Sleeve
Ves
%%%% % % %
lY2 222 2 2 2
16 17
18 16 16 18 18
11.5 11.5 16.47 16.47 16.47 16.47 16.47
1/4
V4
'/3
V, V,
2.40 3.10 3.02 2.0 2.0
2.1 2.1
1.50 1.50 1.50 4.85 4.85 4.7 4.7
Sleeve Sleeve Sleeve Sleeve Sleeve Sleeve Sleeve
Yes Yes Yes Yes Yes Yes Yes
REFRIGERANT CONNECTIONS
APPROXIMATE WEIGHTS (lbs.)
Net 167 193 210 230 254 262
Shipping 183 212 225 245 274 282
loierance:
Minus 5% on 208V, plus 10% on 208 230V, mini 10% on 230V.
3200 3150 3900 4130 4130
Refer 10 unit rating plate for correct refrigerant charge.
~ ~ M M M
34344
~/f
7/at
%rI.
~li{,.
24.28 24.28
44
4550 4550
208/230 208/230
34
8(10) 10 (10)
36.2 22.7
50 35
295 287
315 307
255
275
23.0
35
4
10 (10)
208/230
50
35.1
3
8(10)
208/230
29.6
45
208/230
3
10 (10)
26.4
35
3
10 (10)
208/230
30
21.61
3
10 (10)
208/230
2700
14.0
20
4
20
3
14 (14)
208/230
15
10.50
1900
20
3
3
14 (14)
208/230
UNIT POWER CHARACTERISTICS' (60 cycle)
CONDENSER AIR CFM
MINIMUM CIRCUIT AMPACITY
fACTORY INSTALLED
"HACR" BRK. (amps)
POWER SUPPLY"
Number Wires
Size (AWG) (GRD.)
-Compression
Liquid -Compression
FAN BLADE -CONDENSER
Diameter
Number aisdes
UNIT FACTORY CHARGE R22 (oz.)
TOP VIEW
SECTION AI.
Underwriters' Ilstlld
fer
outdoor Inslell.tion
2
A
HEATER.
UNIT HAS
BEEN ENERGIZED MINI·
MUM OF fOlJR (4)KOIJRS.
L

CAUTION -IMPORTANT
WllrrA'ntv in force and to
''',I'Ujl'\,"'' ", THE ,",,,,,,,,,r.T'"
CLEAN OUTSIDE COIL
The coil in the outdoor unit should be cleaned
as necessary to it free of dirt and debris.
Know YOUI' New Central Air Conditioner
Anew central can be one of the finest to
home comfort. This manual tells you
to operate your unit and suggests some maintenance
you
must to insure top year after
year.
THE COOLING COIL
When your air cOlllditionirlg is in the
removes heat from the inside
co:ndimsing unit causes r"f:r;",,,r,~nt to to your inside
The evaporates in your coil
and
the:rejfone, the air over it is As
the air is cooled and some of its
heat
to the to the coil in
your
cOllde:nsiing unit.
The "",erv,;n" the heat removed from the air
inside condenses in the coil of your COllde'l1sling
unit this heat to the outside air
circulated continues until your home
is cooled to of your room thermostat, at
which time the turns off.
central
inside
of
THE OUTSIDE COIL (Condfl,nStlll')
This coil in the condensil1lg unit has outside air flo,wing
th"",,,,nh the fin function of this coil is to
the ref'rigenmt f'I~,,,,: •• ~
here's how youI' CONDENSING UNIT
to prOl/lde coolina
TO THE HOME OWNER
TRUE CENTRAL SYSTEM AIR CONDITIONING
\."U1U'L.III'\IU, DEIHUI~ltIlF'rlNiG AND AIR FILTERING
Your UNIT has been
on:)Viide you with
desig:ne:d to meet your
•
•
HIGH·PRESSURE CUT·OUT
CONTROL
This control will stop the com-
under certain conditions.
It will
to be manually re-set before
opl~ration will resume. To re-set
control,
Oil the outdoor section,
push
in the reset button,
The High Pressure control will
the unit ifthe folloVitilll~ clmdlititlllS
exist are not '-fil'r""-t,,,rl
to locate
Inoperative Outside Fan Molor
Insufficient Air Across Outside
Coil
Outside Coil Restricted With Debris
Recirculation
of Hot
season.)
42, 48 60M Btuh units have an internal
crankcase heater.) However, the heater must still
encflil:ized for 4
hours to the unit after a
pn)lojngt~d "off" time. after unit's elc,ctlric;al
dis,conn'ect switch was vacation or nc,uu'g
energy
con-
""""',,<r~'Q~"'" dischmrge line
the heater will be
compressor
eqiuip,ped with an additional control
CONDENSER FAN MOTOIFl. CRANKCASE HEATER
This unit

•
in the
unit.
Control
cooling
and windows closed when unit.
You will live in a controlled "climate" ... in temperatures
for your own comfort.
4. filter is clean in the furnace or the unit
blower/coil. Docs outdoor fan op,erate'!
5.
Check to see if the furnace or blower/coil blower
opi:raltes. Check furance belL
6. the unit condenser and the
coil to see if are clean.
pressure control m
COMPRESSOR
The compressor is pelcm;mf~ntlly lubricated and n>;",i,·p~
BEFORE YOU CALL YOUR SERVICEMAN
some
iceman:
I. Wait afew minutes OS to 30 mlnules) to see if it
resume
2. Check thermostat to see if it is nnlne:rlv
3. Check fuses or breakers on elf~ctrIcal
home power box and reset the "~~,,,I,,, ..
(See
circulation of air to and from the unit is absolut!elv
There are several conditions which can shut off your
cOJndtmsmg unit or cause ... here are
you should check you call the serv·
leaves and
area of the outdoor
CLEAN FilTER
Remote type systems. The filter used will be the one
furnace or in the blower unit which may have
installed air distribution your
home. These should be cleaned and
im,pectf~d at least once month.
you have permanent filter it should be washed
warm water, dried with an adhesive
5!('f'nrrlir,o to recommendations. which
this on your and usage of the
SOME THINGS
electric or other heat sources
from thermostat. S:"nPI·f',·j,.,1 heat the thl~mlO!;tat
false Do not cover up thermostat. Allow
over it
Do allow
block the air inlet
Oil FAN MOTORS
The on the motor should be oiled at the of
each season. The of the oil on page 5will
show where Use No. 20 motor
oiL NOT USE DETERGENT TYPE OIL Caution:
Pull the unit electrical switch before to oil the
The motor has built in pnntection
current or over These de'vic!~s many
FAil SWiTCH
ROOM T£MPERATlJRE
THERMOMETER
",'I A
",'III
thermostats are sensitive and you with
.you can have
filter the air without
it to operate the
stc,pping and or
compressor and
slll'mitarlecmsly a,cc(lrding to the pre-set
the the fan
should be set on AUTO ... if you continuous
air flow it to ON. for normal the
bonnetllimit control will the furnace How-
ever the switch must be set on
HEAT. . . cannot come on at the same time.
4

If the above
po'ssil)ility that the
on the overload
Cooling sl/stem remains off reo
of room temperature.
(blower) operation con·
stant.
Cooling system remains
off rlI'
gardless of room tlilmperature.
Fan (blower)
dOllS not operate.
Cooling Syst!lm and
fan!blow·
er) cycle to mllinmin selected
room temperature.
Cooling system cycles
to main·
tain selected room tel'llperatllrll.
Fan (blower) con·
stant.
.;:tfC,,'t'inO of the coml",rp','wlr.
not there is
will
open or the compressor will
protectors.
TYPE A ..•... SWITCH OPERATION.. ., TYPE B
OPERATION PRE·
tp"H'P,·~,t""p control dial or
and im·
There must be an
minutes between the
"off-time'
•
•
DESCRIPTION
There is no transformer in this comlensil1lg
enel'l~ize the 24V control circuit for c01olllllg.
former in the furnace or coil/blower must be
to handle the draw, a40 v.a. tra:nsfor'ml~r
Refer to in cOll1d,msing
coil/blower or
correct electrical connections.
air cooled conden:sing
f'AlTIr"'p~~,,," The unit
and
located terminals.
thl~rnilO:,tats are for temperature control
the conditioned space,
All compreSSQrs sprung and mounted on
rubber i~AbIAI"<
bill and request for ins:pection
made at once. Units are ShlipIJ1ed
and it is the COiOSI:gm:e
INSTALLATION
RECEIVING

•
•
ioto an enclosed room or
refrigl~rant to outside air. Never
refrigl~rajnt vapor to an open flame because this
which is very
it becomes to warm a "pj'r;o,pr"nr
n",rh<,lIv immerse the
OPEN
TO THE REFRIGERANT CON-
3.
2.
4.
GENERAL -IMPORTANT
Before the installation to install this
cOlilde:nsmg unit he must be the unit.
The suction and line connections on the unit are
and the unit has external shut off
valves. The also 14" male flare connoeetlolls,
valve core, to take pressure re<ldlng:5. See mustra-
2. unit is pn~·chargf:d and is to be
emlplo'yed with field insltal!l~d and cornpfmil)ll
unit
and for outdoor instalilation,
and no should added. The follml\linlll
should considered before location:
I These are air cooled therefore shOUld
location the air can be
the condensor coil. the east
or north side of ais more desirable because
the unit will not be to the
To the it should
not from any wall to the
inlet
Allow minimum of 12" between the building and the
unit side which the electrical and
connections are made.
install concrete base for the cOIlde:nsllOg unit
set The base should not touch the of
the house. Such conditions cause unit vil:lnlltioll,
if be transferred into
If installed on a be sure
construction is able to support the
Unit should
6" wood or (H or
must also be used.
location near
wh,en~bv the shortest run
minimum of turns are reqiuired.
PT2
PT2
PT3
30100 ,
30100
30100
and
COllJUIoctlon with
"olnf".rtn with all
T&B
T 8< 8Wire Nut
Connector
Type and size
IV'
T&B
T &. BWire Nut
T&BWire Nut I
1&8
#10
#8
#12
/I 2
11 4
/I 6
or more) of recommended size
the unit
compressor contactor termililals.
AWG Aluminum
Wlr. Size
in relation to co'nn<~ctiing the electrical wir-
installation of breaker or soft
#12
#14
#8
/I 6
'" 4
Rel'riglerall1t drums
2.
CODES AND ORDINANCES
1. Select the eCI1Jiviale:nt aluminum wire size from the tabu-
lation below:
COlohng
systems, or
heating system, must be u,,,,, .. ,,-,,
eXisting local codes or local codes.
The units must also be installed in accordance with
lations of the National Board of Fire Underwriters.
thorities should
be consulted before in-
stallation is The indoor air duct distribution
must also be installed in accordance with standards
National Board of Fire Underwriters for the Imitallatilon
Air Warm Air and
tems Palrnphlf:tS.
ALUMINUM FIELD WlIfUNIG
Install the electrical conduit to the cOlld~msing
aplPropri.ate openJing and size wires in accordance to the Na-
and/or the local codes. When
aluminum conductors as !oIlo'i!/s:
the the above listed wire nuts or
bolt connectors.
entire connection with inhibitor and wrap
electrical tape.
INHIBITORS: .Alcoa No.
T B - KOPR-Shield.
PRECAUTIONS IN HANDLING REFRIGERANTS
be adhered to when

the
This
110,rizl)ntal suction Hnes,
as
to operate the unit before the
is cOlmpleted.
c,
b.
d,
such as:
All horizontal
towards the com~lreSS(lr
aids the return
REIFRI1GiE'~ATION PIPING
The system is very in
I'",,,,,(',,tv proper oil return to compres~
COlmpressor and
the
be familiar with all and
sizes
to be installed on a
Certam prec:au!mnar'y measures should be adhered
I. Count the number of 90° and 45° elbows and measure
the of
Find the of in table number
l.
To
This unit must be grcmndeld.
4. This unit does no! have a transformer.
.E.C. class 2, 24VAC 40VA
transformer must be used to the control
circuit
of the or system.
SUCTION AND LIQUID LINE SPECIFICATIONS
lines used to connect the indoor unit
cOlrld,,:nsing unit MUST BE clean and
vertical
SUCTION LINE SIZING
The cmTespmldirlg pres:sufiel
suction line at compressor may be
pv"n"n""I"',n temperature in
temperatur(; differential is
caused
suctioll line, it becomes Ile,~ess(u'y
the suction line from the table on
The line shown ,<viii allow for sufficient interm.l line
vpl,,,';lv (a~lproxj!m,ltejly 1500 to return the oil to the
the necessary to
"",,,,,\1.,,,'\1 The
(con-
adjusl:able on
the
be used when ~prvi('ino
interlock between the indoor section
motor the electric when
CONCRETE BASE DIMENSIONS
PREPARING BASE
When unit is installed on the
a level concrete base is recom-
spt:cif'k area and thickness. Base sizes for the
correspion,dil1lj;! units are shown in the above sketch.
common mixture for concrete
one part Portland cement, two parts sand
coarse crushed rock.
adequa,te draina~!e around the unit so that
above the concrete
THERMOSTATS
the thermiost:at
Thermostat should be located about 5 ft. above floor on a
vibration free inside wall in
an area with air circulation;
must not be in an area air
GENERAL NOTES -CAUTION
before op,~ralting
•
•

•
of in the cOllde~nsiing
30 of and line
coil. If the lines have to be
than 30 feet, the
has to be im;re:ase~d
decreased to compensate. See
chart on page 10. Exercise care in pn~-fl)rlJl1il1lg
line to the unit and evaporator to avoid
The shut-offvalves/and manifold assemblies
include a
port valve core) sCI'/?'ured
bonnet over the stem and aphlgg:ed
components which are to connect the rpj',.io,p,."nf
Please refer to the illustrations.
8
2.3
1.6
1.0
.7
1.5
cO()!irlg coil located above the
pn~c2LUtioris must be taken into
nn~v,>nl at the inlet of the
rpf'rio'pnn'f must enter
state,
TABLE 1
EOIUIV,AU=:Nl STRAIGHT PIPE
VERSUS SUCTION liNE ELBOWS
e.
line riser must
of the
per of rise, N"rrr,,,lilv
rp,lnl',i",n is not noticeable with a30
the
vapor-pressure the
EXllm!)le: One short radius copper sweat ell is equal to
the of two foot of 0.0. straight
The
LIQUID LINE SIZING
In sitllati,ons
PRESSURE DROP LINES FOR REFRIGERANT 22

per the evaporator
9. it must be round without
or on which is to be
enl2;all:ed into the unit
to. the threads of the unit
and outside
of the ferrule. Install the
into the unit sequence shown below. Til~hten
II. Insert into nut and ferrule until it
bottoms.
12. nut hand
13. Mark the nut as shown below and
the nut an additional turns. Be sure
bottomed out If
ch:an~!ed or a bad connection the
must be cut off and anew ferrule must
Prl,,,,,·,,,rI to redo connections as described in
thnf'lll~,h 13.
other the same
17.
16.
HEX
closed
correct
WHEN
HAVE
Deburr
follmvifill. instructions or
TYPICAL VALVE ADAPTER
ue:pness valve core to relieve any gas pn~SS!llre which
be
in the manifold.
RemClve COlLlpling nuts
SQ. DRIVE L........----t======::::J
TAKE
REMOVING PLUG.
BUILT UP.
6. Remove
VALVE MANIFOLD ASSEMBLY
For
•

REFRIGERANT CORRECTION CHART
hex wrenches
The shut valves
do not
VALVE UNTIL IT TOUCHES THE RETAINER.
APPLY PRESSURE TO RETAINER.
thermostat to COOLING, fan AUTO
telllpenlllU:re control to below room temperature.
",j,'rt"ir"l switch.
more
than 30 fl. of
,.",j'r;c,pr"nt relative to OD size and ad,ditilonai
CORRECTION CHART

•ELECTRICAL CONNECTIONS AND
OVERCURRENT DEVICE SIZING
"IiACFl"
BREAKER
TERMINALS
•

""""" ._~_,m·· ,_" __ ",. , ,_._.,,,,_ _
I...VVLlII'iIUl PERfORMANCE DATA
86
91 303 1lUI lUi 92 307 20.3
911 299 15.8 14.5 111 '304 nUl
114
21l1l 15.4 111.1 81 300
111.2
19
295 14J.I 23.5 76 2116 18.6
115 2113
15,8 10.1 go
2811 19.3
llll 283 15.4 14.1
85
284
llUI
62 279 14.9 19.3
110
2110 111.5
71 215 14.4
23.1:1 15 2l1O 18.2
-----
-"
93 264 15.2 10.3 go 269 18,6
l'l7 284 14.9 15.0 85
261l
16.3
82
2lIO
14.3
11l.l1
go 265 17.9
71 251 13.9 24.1 15 261 11.4
113 10.5 86 254 18.3
86 246 14.1 15.2 83 250 11.7
711 246 17.3
15 240 13.5 13 243 111Jl
91 233 13.9
11l.ll
87 231 17.3
84 229 13.4 15.5
81 233 11.0
19 226 13.2 2ll.2 16
230
1IU
14 223 12.9 24.8 72 226 15.2
69 213 13,5 11.11 85 216 16.1
84
213 13.3 15.8 go 213
11i.4
19
210 12.9 20.5 75 213 111.1
14 201 12.6 25.1 72 210
16.l.l
81
11111 12.1 11.3 83 201 16.3
82 195 12.4
1Ul
llO
191 16.0
17 1112 12.4
211.8
15
195 15.8
72
1112 12.3 25.4 10
192 15.4
86 1110
12.1 11.5 79.5 lllO 15.6
61 175
1Ul
1ll.1
78 1ao 15.6
76 115 12.0 21.0
14
180 15.2
10
110
11.6 25.1 69 115 14.7
12.9
17.1
22.5
21.1
12.1
17.4
22.2
21U
26.4
12.1
1lUI
21.5
26.1
11.9
25.6
11.8
16.3
20.9
25.4
15,1
20.3
24.l1
11.4
1iUl
20.11
25.1
241
11 246
92 231 11.3
87 233 11.0
92 230
111.6
77 226 11:1.3
217 10.8
115 218
11),6
214 10.4
16 211 10.2
-
90 202 10.5
85 199 10.3
90 198
lUI
74 193 9.6
88 1l1O
lUI
83
1110 9.2
19 110 9.4
73 170 9.1
15
202
93 193
12,1)
85
190 llU
111
lIO 1l1O 1.5 21.5
11 1111
1.3 26,1
92 115 1,5 12.2
12
14.6 84
110 1.3 11.11
61
111
170 7.3 21.8
23.9
10
211.4
911 301 10,0
291
291
!l.5
293
9,1
--
----
ll.9
"--
111,1
62
I
22.11
•
bUlb lIO"l" .• 00 lnclles edemal Iltst!!:: pressure on coil 01 outdoor section. As Indoor dry bUlb temperature Increllsell, lIsllgllt Increalle wll! occur In
differential between
In.t 1I1ld outlet. low lind high sldll presllures lind power will not challge.
operllllllg $!'lollid be plus Of minus degrees tile typical bulb) vaille shown.
operating
unit be or minus :I PSIG 01 the typical $I!own.
7PSIO
of the typical value shown.
limps. (16M
IIlld 24M BTUH unlts),:3 ampll •
•

•
•
TYPICAL COOLING PERFORMANCE DATA
ERCF42-UQ1B &ECFC42AOM·8 ERCF48·U018,38
ECFC411AOM·B
ERCFllO·U018·3B &ECFCllOAOM·B
Indoof
@141l5CFM
Indoo,
@11100CFM
Indoo,
@2000CFM
AI,
AI,
Tempe,atu,e AMPS.Tempe,atu,e AMPS.
at
'at
Betwe""
T~~"I
T:a'
DlIle,en"e
T':'
Inlet
(WI~~~Il>1
an;lld~~:l
Between
Coillnlel
(Dry
s"dO"!!"1
Press",e
P."ss",e
Unll Pressure P,esaure Unil and
Oullel
Pressu'e !Pre;;su,e Unll
"A"
I
"8"
"C"
"0" "10"
"8"
"C"
"0" "10"
"8"
"e"
"0"
"E"
'I" 'I'
"I" PSIG PBIG AMPS.
'I" PBIG PSiG
HI 311
"I" PlllG PBIG
111
'.
115 67 19.6 84
334 22.5 19.1 8Q.5 336.0 25.0 15.8 18.7 86.5 325.5 32.1 19.9
Ii77 10.7
96 321 23.2 9.7 89.0 324.0 25.5 15.9 9.2 97.5 317.5 33.5
~g:~
72 15.2 90 317 22.5 I14.7 63.5 320.0 25.0 15.7 14.1 91.5 313.5 32.4
67 19.8 I
83
313 21.8 19.4 79,0 316.0 24.3 15,4 19.0 85.5 309.5 31.1 19.4
,
62 24.4 I77 309 21.1 24.3 74.0 312.0 23.6 15.1 23.9 80.0 305.5 30.0 18.9
I77 10.9 95 I301 22.3 I10.0 88.0 304.0 24.9 15.5 9.5 96.5 297.5 32.7 20.1
72
15.4 89
I298 21.7 15.0 82.0 301.0 24.0 15.3 14.5
89.5 294.0 31.4
19,5
67 20.0 82.5 296
21 19.9 n.5 300.0 23.6 15.0 19.3 84.5 290.0 30.4 HUil
62 24.6 76 294
204
24.7 73.0 296.0 23.1 14.7 24.2 79.0 286.5 29.2 18.4
I100 77 11.1 94 284 21.6 I10.3 87.0 288.5 24.1 15.1 9.8 95.0 283.0
31.6 Hl.6
72 15.7 I
86 281 20.9 15.3
81.0 285.0 23.7 14.9 14.6 88.0 279.0 30.4 19.0
67 20.3
82
I279 20.3 20.2 76.0 281.0 22.9 14.6 19.7 83.0 275.5 29.5 18.4
Ii
62
24.9 I75.5 275 19.9 25.1 72.0 277.5 22.3 14.3 24.7 78.0 272.0 28.5 17.9
IIII
95
,77 11.3 I93.5 266 20.7 10.6 65.0 270.0 23.3 14.7 10.1 93.0 265.0
30.6 19.1
I
72
I15.9 67 264 20.2 I15.6 80.5 266.5 22.7 14.5 15.1 86.5 261.5 29.5 18.6
I
67
I20.5 I
81 261
19.8 20.5 75.0 263.0 22.3
~g
20.1 81.5 258.0 28.6 18.0
I62 I25.2
75 257 19.1 25.5 71.5 259.5 21.6 25.0 77.0 254.0 27.7 17.5
90 77 I11.5 I
92
248 20.0 10.9 83.5 252.5 22.6 14,4 10.3 91.5 251.0 29.6 ·1116
72 I16.1 I
86
245 19.4 15.9 19.0 249.0 22.0 14.2 15.4 85.5 241.0 28.7
~ r:~
67 20.8 80 243 18.9 20.9 74.0 246.0 21.5 13.8 20.4 80.0 244.5
27]
62 25.5 74 240 16.6 I25.8 70.5 242.5 21.2 13.6 25.4 75.5 238.0 26.9 17.1
85 77 1.7 91.5
231 19.1 I11.2 82.0 236.0 21.7 14.0 I10.7 89.5 28.7 18.2
72 16.3 84 226 18.7 16.3 77.5 232.5 21.4 13.8 15.8 84.5 27.9 17.6
67 21.0 79 225 18,4 21.2 73.0 229.5 20.9 13.5 I20.8 79.0 228.0 27.1 17.0
I62 25.7 73 224
111.0 26.2 69.0 226.0 20,4 13.2 25.8 74.5 225.0 26.1 16.5
,
!80 77 11.9 I89.5 215 18.5 I11.5 81.0 220.0 21.2 13.6 11.0 68.0 219.0 27.5 17.7
72 16.6 82.5 I
21
18.1 16.7 76.0 216.5 20.7 13.4 16.1 83.0 215.5 27.0 17.1
I
67
21.3 77 208 17.5 21.6 72.0 213.5 20.2 13.1 21.2 78.0 212.5 26.5 16.6
I
62
26.0 72 ,205 17.3 26.7 68.0 210.5 20.1 12.9 26.2 73.5 206.5 25,6 16.0
75
77
12.1
88
197
I
17.5 11.!l 80.0 204.5 20.4 13.2 11.3 87.0 204.0 27.1 17.2
194 17.0 75.0 201.5 20.2 13.0 16,4 81.5 201.0 26.2 16.6
191
22.0 71.0 196.0 19.6 12.7 21.5 77.0 195.0 25.4
~~:~
62
26.3 70 188 16.6 27.0 67.5 193.0 19,4 12.5 26.6 72.5 192.5 24.8
data based indoor dry bulb of 80
0E.00 inches external static on coil
of outdoor section. As
indoor bulb increases,a slight increase will occur in air tempe'ature differential
between and
low and high side pressures and power will not change.
"B" -prope,ly operating unit should be within plus or minus 3degrees of the typical (dry bulb) value shown.
"'C" -properly operaling unit should be within plus or minus :3 PSIG of tM typical value shown.
- A properly operating
unit should be within piuS or minus 7PSIG of the typical valueshow!1.
HE" -properly operating unit shouid be within plus or minus :3 amps. of the typical value shown.

TERMINAL
BOARD "A"
•
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BAKA.
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FIELD CONNECTIONS
POWEA 1 ~
SEE NOTES 1 " 1
''''M''''''' ,,,. FIELD CONNECT lOllS FOR 1It
0681102 REV. D•
UNIT WIRING DIAGRAM
ERCF18·U01B
14

•I
1
c
psc
l.j... __ +- __.BK-27
•
.... ---VT-2Q +-..-1f----j.--+--..,
FIELD CONNI,CT'IO~IS
1
SEE NOTES 1& 1
HTR
GREEN
BR- BROW"!
UNIT UNlESS
MORE COMPLETE
UNIT WIRING DIAGRAM
ERCF24·U01B
ERCF30·U01B
15

HEATER
14
UNIT WIRING DIAGRAM
ERCF36·U01B
ERCF60·U01B
Dlllll104 RE\!' I:l
UNIT UNLESS
TltE UNiT, FOR MOl'lE COII!I'LErE
SOURCE
NOTES
L
SEE THE ELECTRICAL INFORMATION
FIELD CONNECTIONS FOR I
2 THE RED DOT OR THE COMPRESSOR RUN CAPACITOR MUST BE
3, fOR THE RECOMMENDED CONNECTION Of BOTH THE
SEE THE INSTALLATION INSTRUCTIONS
4 TRANSFORMER NE,C CLASS 2, 24 VAC OUTI'lIT VA REQUIRED
CANADIIIN REOUIIlEMEIHS
16

•INTERNAL
HEATER
•
FIELD CONNECTIONS
1gPOWER SEE NOTES lin'
D!l1l1l1l5 REV. 0
1l0TES'
LSEE
17

INTERNAL
CRANKCASE
HEATER
- ----,
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FIl:t.D CONNECTIONS I
3 fI POWER I
SEE NOTE 1I
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L_l_
HI PRESSURE
CUTOUT
r- -,
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INTERNAL
CRANKCASE
HEATER
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,....--- \11-2 II ----.:....-'":"1----+----+--..,
r-------
Y
l-12 -""---:-1----+---+..,
RO-Ill ----...-;--"'"1--..,
!
r----
a
l<-15---+---r
I
--
u----- 61<-14
PSC
CllMPRESSOR,-+=-I---l
UIT.O.I..
!. SEE THE ELECTRICAL INFORMATION ONTHE UNITS NAIoIEI'LATE
FIElD FOR ::I 0 UNITS ARE TO liE NAIlE AT
-ciINo,iTi,ollll.'-' SCREW.
RELAY AND TilE
FOil MOllE

TYPICAL wmlNO DiAGRAM
ADD.oN AlA CONDITIONING
IliiELT DRIVE FURNACES
GAS FmED
;
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1 _
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1
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1- - +"< TH)---e'" ',/....-.{:,. )-+-_--;:'".
,-
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1
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1
1
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1
1-
H
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G
H
l
o
w
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J
,-
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1
TYPiCAL WmWG DIAGRA.M
AOO·ON
Am CONOtTtOtUNG
DIRECT Oli'UYE FURNACE
GAS FiRED
r-----
II
I
1
•
TYPICAL WIRINGOIAGRAM
AOD·ON AIR CONDITIONING
DIRECT DRIVE FURNACE
(all FIR EO)
TYPICAL WIl'IINl'lIl'AGAA""
AD().·ON AlA CONDITiONING
BELT DRIVE fUANACE$
lOll fIRED,
r
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19

FINAL CHECK LIST
1Have the compressor shipping blocks or strap been
removed?
o2. Does the compres,sor sound normal in operation?
o3. Does the fan blade rotate freely and is it tight
on the shaft?
4. Does the tubing flex freely and not touch another tube to
cause rub through?
o 5. Are both indoor and outdoor sections level?
6. Are units supported?
o 7. Is outdoor located on concrete base?
o 8. Are the correctly installed according to
the relative position of the outdoor and indoor sections?
o9. Is the tubing properly supported by isolation
o10.ls system completely free of refrigerlmt leaks?
o 11. Has the system been and fully charged
according to procedures?
12. Does the have the correct reflriglHal!lt ~"A"~A,"
o13. Has the air across the indoor coil and
Does it check
on
230V, minus
o14. the amlpera~le on the indoor air blower motor. .is
it within the as shown on nameplate of the motor?
o 15. Are all access panels and enclosures installed and
secured?
o16. Is the outdoor unit the correct size time
delay type fuses or in house power box?
o17. Are the supply wires to units the correct size?
o 18. Are all connections
o19. Do controls function pr<)pllrh'?
o20. Check the
within the tolerance of plus or minus
5% on 208V, plus 10Q /" on 208V?
21. Has the operated at least 30 minutes before
the
air system been balanced? Are all
diffusers and dampers properly adjusted and
o23 Does the customer understand the operation of the unit
and the room thermostat?
24. Does the owner know how to change from cooling to
25. Does owner know where the filters are located?
o26. Does the owner know when and how the filter(s) should
be cleaned
or changed?
o27. Have the registration cards been filled out and mailed?
28. Does the owner know whom for service?
Phone No._ ........ Service Phone No. .......- ...
Model No. _
VH'f State -----
No. P Serial No. _