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AUXILIARY
ELECTRIC
HEATERS (24, 30, 36M BTUH
u R 1 1 m S )
Z'he firlt itage
h
K W heater must he ixl\talled
E n
tXxc
focmtioa~ cfirecelp in rxon
of
the h i o ~ ~ e r
throat
opening
rn
the unit supplb
;art
pienrrrn.
The
t114t <sage heater
r i
~dentified hy a
hand
ai-ound the
Z4V
control cnrcult
plug and
marked ttrth a No. I . The s~rt-rseqtrent \Xnge
Renters ale xdeiarifred by
: I
band wit11 the nunlber 2.
'The 8r5t
\tage
heater- will mechanic;rlly only
fit
in frczrtt
of
the blower throat o p e n i r ~ . l'he "neatera ;are to he
rnseried into the
ainlt
fronr the \ide the
trnll
eloctrrcai
pc~tvei- 4ttpply connections arc made.
1-he
unit
hai rflree receptnc!es intr? whrch the heater
cirnird circuit plugs are rrssertrci. Plug hearer nrrnzher
1
Into the u n ~ : receptacle marked nrimher I .
'The
second
hedrca (markerf
21
lnttr
receptacle number 2. The third
heater in~arlittd
1)
into
receptrrcle number 3.
The
potvcr cuppiy
ah
rrek for the heaters are part of the as-
sembly anti
m\:st
he roueeci
a o
the Icrmin:zls
of
the cir-
; t i i t
breakers,
7'hc crrcuri I7rr;tkrr mounEIllg shelf and a Iircaker
14
prakided
w i t h
the kirst stage heater. Each str'hsasqurnt
"sage hearer
irlso
~ncimcles n breaker-
Rcier t o
tif.rxr
ni~jn~pjii'l@
for prczpcr
d ~ l u t
cleararncc
\\hen auxxfirary eirctric heaters are cimployccl.
OptlonnI controls are itvariable anii. nauct be ordered.
Tire
controls are outdtaoa- thernlosrat, coarxpre.gsor
cur-offconrroi arid the cmergencgl heat kit. These con
rrols can hc rnsraliled in the unit to conrrot the fklncil-crn
c i f
the heaters a\ required. See inst;allation i~~structiot~s
of
11c;llt~r~ and eilrie~ gency heat kit.
Refer
to Nar!on;al EXcctncail
Code ;li~Ql/ifr lilci11 cc>des in
rclatron
lo wxre
and cc~ndtaar sizing for power \upply to
h e u k f i "
AUXILIARY ELECTRIC HEATERS (142,
48, GQM
$STUN
nsr\arTsl
The heater.; for theltk tanits are 4.8KW.
Six of these
hearers may be anstailed
. . .
13)
three in front
of
e;nch
hiawcr throat clpenlng.
The
first
Flage
heaters
( #
8
;md # 2 ) nstlsb be inslallecl
directly
in fr-on"l?E
blower opening\. He;zters # 1,3 arid
ti
must be installed ;from the control panel side of the
unit,
I-.f;eatei-s
%1?,
4 and 6 are installed f~-om the other
ildt"
of the
11~llf.
Each heater r\ posrtiuned m n the
rtrrihau
fotlowi.;:
13)
remove
n
quantity
of hlarrk-off plates in relation to how
rn;tnq hearers are
to
be ~nstalfed;
(lrr)
insert the # I heal-
er from czpntrol panel
-
-
side
in
the positicrr~ in front of
blower opening. I I-ne heater mountirrg rod extension
ha5 to be received
Is)
a slot
in
the heater center- naonnt-
trig
hr;acket,
(cl
the # I herrter hall; a rivet which pro-
iitrde.;
from
it.
It rrlalst be aligned with an c~pening in
the heater mollnbing bracket: secure heater with screw
~ f i r c i ? was r e n ~ o ~ e d from blank-off plate.
Inatall the additronai heater(.;i
:PS
de\crri&ed
iihove.
For
more comprehensive informration refer to the instialln-
tioar ~natnictions frrrnisheiJ with the ile;lrcrs.
Single pharc heaters for- applicaiic~n on three phase.
kfower trr a three phase nxlit
;arc
iilso availahie. See
~rr\e:mliatlon instmciionc for ~nqalling the specific heat
er5 kiiri-i~ch n.ru\t be usecl
an
rhrce phase 230V power
\upply.
ROOM
f HERMOSTAT
The
roorn rhc.rrrtasr,i~
1s
,in
optlon,i! lien1
21 rs
,i~cirl,rhle
fat
cane stage
coed ;rnd
orre <tx~ge hcxi"i
-A
~ ~ h t ) l l r
~qli"c?i
ic
\tiIp
heiiteriii cc~ntrrll
,\
one il'nge tori1
m d tuo "Itdgc"
he,)e (with electrts
kfrlp
he,rteikl
tk~crmo\t,rr
r \
,iIan
.tv,i~l,ible Other
PC)T;IIPII~~VLI)BI\ f o t
coniioI/~ng
1 1 3 ~
I ~ c ~ i t
pt1n:i-E
and
tile
~ I I Z I I I ~ ~ ~ ~
hcaalcr\
1113)
be
apjs!lc.\ag
in
the
field
T h e w
t h e r n ~ ~ ~ . t ~ q f h
i-l&~vr
a
fncti3rv
~ e t
cm>llng
:rnticrpsi"
tor
to pro\
l r S e
the proper
compressor
oB-cycle
'
ailowrng the rcfrrgcmnt high arid low side presst~rr-s to
tbqilnlrza*
~ > t i l x
providrng the 1 3 r r r p e r n u m h r
o f c~1lirap
cvcles
iwr
hour 'klw thern~ostnts :~lso havr* adjmsbb'ic
iieat~rrg
:rx~brcipator
I
s )
ROOM
FHERMOSTAV
HEAT ANTilClPAStORS
The
ineat
nrillcnpator
i
s
)
irr the
rcxlm Il;~ermostal: rn~ast
b h
p r o f ~ r l y adjzrst~d to ohlain the proper n r r m k r
caf
he;it~a~g cycles
per
IIOW~
Please refer t o the heat
antrcipalor i~d-i~rstrnent tabtllation a n the
harzrt
wiring
diapmnl whxch
i s
siipplied
with
each pirckage heat
ptlmp
unit.
6 0 N V R 6 b S AND WIRING DIAGRAMS
A w r r i l ~ g dlrrgrarrl
i s
atk3ctrc.d
to
eack~ uxl~t
whic1.r in-
clude& coa~~pletaa ~ i r t r z g n% the tinil
and
a sc"Cloematie
circuit Iavotit " L h h e s c ? diagranrs are kely~fuX in
trouble
xhootrny:
or h w k i n g up
control circalit,.;
The operiiticln
of the
atrrrlrar) elecirrc hearers
1.g
~011-
trolled from the roonr rhcrmr~arar aa well ~rc
ehrc3trgh
other oprrrrnitl :terns, One o f the\e tteilr\
r i
,in c~irtdoor
rcmpeciittrre coratrol?cr rzncl anorher
1. ;
; i
con\pie\sor
cut-off conir
oil,
"I'he compressor
cut-off
control turns
off
the compres-
sor ;and OLI~CIOOF fan motor and turns
on
orle additional
stage
of
a~rxiliary heat wher~ the outside ambient is
approx, iO"E
This
contml may
Re
used \*laen the de-
sign
Lemwsalure
is 0°F- or
belaw,
Outdoor telmperature
control thermostats should be employed to control ali!
heaters except the first stage heater and the heater
controlled by the cornpressor cut-ofkcrantrol.. '6he
primary psrrpuse of the orrtdoor thermostats
ir
to allcaw
the heaters t o come ssn on14 \%then
bitch
3
halance point
is reachecl. 'Tl-re room thennosrat is the master contr't~I-
ler
for the
heat pump and auxiliary Breixiera;.
The compa.escor cut-off ;lnJ otrtdoclr
temperature
crtn-
trollers
mu\:
be mt~unteil in rile ~tilcacared
\parka:
in the
unit. Thc wrr"c4, coior cc>ded and numbeled, to connect
tilebe controls are f:~i;rory routcd to the a180ciired area
in
the contrc11 panel,
' 1
ca
instnll tlae crrntrols, rPnPa>ve the skeet nleral plats crn
the crde of
r
he corttrol panel, remove the proper plastic
plug\, in~lisll r;ox~lr-oi\, route the capilliary
lbnd
huit?ls to
the
side
(sf
rile condenser shroud and secilre~ Refer to
heater iasstallation manual for information orr above
c~pnlrols..
DEFROST
SYSTEM
The package heat ptln~p is eq~~ipped
with
ia
tllner-
plus
i i
liiaerrnostnt to initiate and ternllrlnte
tile
befirsst cycle.
The rinrer iniki;nle\ the defrrbsr cycle, pr~rvided [he 30"1
60" control feel\
; a
tenxperntt1r-e
o f 3 W
F, o r a the oaxtdoor
coil
Ziqtiad
outlet. The 30°160' cttnlrol makc.c cijatatl
w+cn r " ,
senkrng htrlh reache.;
3 W E
I'he taaliae mokor,
whicil
i k
Irrs-critecl
rn the
rinrr conlr-01 pane!. c>per-;ltiik
0831)
&hen cr.rnpte\sor-
x \
on
axxd pul.ies
r k c r j 90
min-
ute\. Tlar\ zi~ergircs the defl-(>at ~ i a y rfthc. 34Y!6Oacon-
l l i ~ l
call., i i ~
def~ost
When the
defro4f aelay
r\ rnrxpircd thc r?iutdot>r fan
rilotcpa s t o p and \~ry7p1~.menrar~gr
electric
helit
conres
017,
;n ;iccc~rd;ince to the demand of the indoor and
alrtdoor IPrern~csctaii.
%'he tan11 \vilI r-errlaira irr the drfroia cycle crnfil the out-
dorlr
COLI
tcrnprr-irture a~eaches 60'
F'.
At this ternperit-
I L X I C
the
coii
\hor:ld be Qiice of frost and ice. '%'he con-
tacts of
the 4tY;g*IOC
control oprn when the O~J~L~CPOT.L"('EEI
1-&.;aclar4
hO' f:, Th~s
an turn de-exicrgrzrs t l ~ c defra3s;t
ielay
.
.
i\tai.i\
thc
ouf~ioor fan nxotrrr and returns
tile
rrtsrt
to
the
hc;?tlng cycle.
"%'he defr~iit i"ycIe
ia
rejafivt:x1)
4toi.r. ;approgiimntely three rrlnnaitcl. ' 1 fnt. defroht rirxlcr
1s
fii::tory
,ndetr\tc.d to *"piniic'* for ' 3 0
~ C C O I I ~ \
eiery 9 0
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