Carrier 38HDF018-036 Installation, Start-Up And Service Instructions Manual

38HDF018-036
Duct Free Condensing Units
38HDR018-060
Ducted Condensing Units
Installation, Start-Up and
Service Instructions
CONTENTS
Pa_
SAFETY CONSIDERATIONS ...................... 1
INSTALLATION ................................ I l0
Step 1 -- Complete Pre-lnstallation Checks ...... I
• IfNPACK UNIT
• INSPECT SHIPMLNT
• CONSII)I R SYSTLM REQUIREMI NTS
• MVI'CHINGTHI CONI)INSINGUNIT'I_)AN
INDOOR UNIT
Step 2 -- Rig and Mount Unit ..................... 3
• Me! ;NTINC, ON GROUNI)
• MOIINTINGONROOF
• RIGGING
Step 3 -- Complete Refrigerant Piping
Connections ................................... 3
• CHI('KACC!JR,VI'IH<CONTI<GI,
• FII:I'ERH<IEI _.
• MAKEPIPINGS\\EXI'('ONNIMTOI_S
• PROVII)I SAFETY P.LI,Ilff _
Step 4 -- Make Electrical Connections ........... 6
• L'ONTROL ( *II_( [fiT WII<ING
• POWI:I_ WIRING
• CONNECTIONS T() I)UCTFPd I FAN COII, UNITS
START-UP ....................................... 1 l
SERVICE .....................................
II 14
MAINTENANCE ................................. 14
TROUBLESHOOTING .......................... 14.15
INSTALLATION
Step 1 -- Complete Pre-lnstallation Checks
ITNPACK !INIT (Sue Fig I i Move the' unit Io lina] 1o_1
[ioll R<'move ufli[ horn _:lr[t_ll, buillg calefil[ rlol 10 d_llllag_'
selvice valves and gdik's
SAFETY CONSIDERATIONS
Ins{!lling and servicing air conditioning equipmenl can I_
]l_lz_lfdotls dtl_ {t) Sys[el31 pl_2ss[Ife _Ii_d _[ec[lica[
_)131polluil[s
Only tmhl_l and qualified service i_rsonnel shoukl insla[] or
service air conditionhlg equipmenl
Ull[r;til_ed
i_rsofll_el
c_n _rforl_l basic mail_l_llaflce,
such
as cleaning and replacing lillers All olher operations should be
perk)filial
by
train_i service
persollll_2] Wll_ll
WOJkill_2oil air
condilioning equipment, observe sa_ly p_cautions hi ]ilera
tuJ_, lags. and ]abels atlached Io unil
Fol]<>_ a[] sa_{y codes¸ Wear sa_ly glasses and work
gloves U_ quenching clolh lbr _azing operations¸ Have life
exthlguisher available¸ Re_l Ihese ins_ruc{ions _oroughly_
Consuil k_al building codes and tile Naliona] Elec{rica] Code
/NI_:) I_>l ¸ s_._cial insta[]alion requh_menls
Beh_rc inslalling o_ servicing
syslem, always
mm off main
power [o sysl_ll_ There may be i_loJ_ [hall olle digcollll_c[
_wilch Turn offaccessory healer power if applicable L]ec
hica] shock carl catlse seli<)lls _1 solla[ illith y
Fig. 1 --38HDF,HDR Unit
INSPECT SHIPMLNT File a claim wilh the shipping
company if shipmcnl is d_lmag_d or incomplete Check uni_
flamep]a[_2 [o ell sufe_
ulli[ ii_a[ches job
fe_quirelll_2 IllS
CONSIDER SYSTEM REQUIREMENTS Consult local
building c<×les and NEC fi_rspecial hlsla][alion requiJ_ments
Allow su_icienl space l_>rairflow clearance, wiring, _ffig
eran_ piping, and servicing unit¸ See Fig 2
I,oc_ll_ tlfli[ so [ha[ colld_211serairflow is tll_l_2sIricRxi<>l_ _)[h
sides¸ Rear to I_g 2
Unil may be moun{ed on a level pad directly on base legs or
mounled on raised pads al sup_>l_ points See Fig 2 I_>l ¸ cenler
of gmvily
M_VI'CHING THE CONI)ENSING UNIT TO AN
INDOOR UNIT The 38HI)EHDR unit_ can be match_l _o
a _rresponding ind<×)r uni_ The 38HDI_I18 036 units can be
ma{ched with an in cei]hlg casse_ or high wail indoor unJl
llle 38HI)R unil can be malched with underceiiing and resi
dcntia] l_n coils¸ Re_l ¸ to separate hl(k×)r uni_ ]itemltne Ibr
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book _ 4 C_talog NO 02-38HDOOO1 S[ Printed in US A Form 38HD_,SI Pg _ 1-o6 Replace_: 38NDC 3SI