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CHALET SERVICE CENTRE KUWAIT SECTION 15505 PACKAGE ROOF TOP DIRECT EXPANSION AIRCONDITIONING UNIT PART 1 - GENERAL 1.01 DESCRIPTION A. Scope: Supply and install  packae !"# coolin units co$plete in acco%dance &it' t'e %e(ui%e$ents o) t'e Cont%act !ocu$ents. T'is section %elates to t'e supply and installation o)  packae !"# coolin units )o% HVAC installation. 1.02 QUALITY ASSURANCE A. Accep ta*l e +anu )actu% e%s: Su* ,ec t t o co$pl iance &it' t 'e %e(ui%e$ents o) t'e Cont%act !ocu$ents: -. +a nu)act u% e%s o))e%i n %oo) top 'ea ti n a nd cool in un its &'i c' $ay *e inco%po%ated into t'e &o%k include *ut a%e not li$ited to t'e )ollo&in: a. Ca%%ie% U.S.A.  *. T%ain U.S.A. c. /o%k. d. E(ual app%o0ed. 1. Al te %nat i0e $anu) ac tu%e %2 s uni ts &i ll *e conside% ed i) t'ey a%e  p%oduced *y a spec iali3ed $anu)actu%e% &'ose units a%e e(ual in e0e%y %espect and &'ic' 'a0e *een in si$ila% se%0ice )o% not less t'an 4 yea%s. 5. Reulato%y Re(ui%e$ents -. ARI Co$pliance a. Test and %ate %oo)top 'eatin and coolin units in acco%dance &it' ARI 678 9Standa%d )o% Co$$e%cial and Indust%ial Unita%y Ai% ;HA EN<INEERIN< C;NSULTANT -4484- R;;= T;> >ACKA<E!  A"C UNITS

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8/13/2019 15505

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CHALET SERVICE CENTREKUWAIT

Conditionin

E(uip$ent?.

1. ASHRAE Co$pliance: Const%uct %e)%ie%ation syste$ o)

%oo)top 'eatin and coolin units in acco%dance &it' ASHRAE

-4 9Sa)ety Code )o% +ec'anical Re)%ie%ation?

6. UL Co$pliance: >%o0ide %oo)top 'eatin and coolin units

&'ic' a%e desined $anu)actu%ed and tested in acco%dance

&it' UL %e(ui%e$ents.

1.03 SUBMITTALS

A. >%oduct !ata: Su*$it $anu)actu%e%2s tec'nical p%oduct data includin

%ated capacities o) selected $odel clea%ly indicated &ei'ts )u%nis'edspecialties and accesso%ies@ and installation and sta%tup inst%uctions.

5. S'op !%a&ins: Su*$it $anu)actu%e%2s asse$*lytype s'op d%a&ins

indicatin di$ensions &ei't loadins %e(ui%ed clea%ances and

$et'ods o) asse$*ly o) co$ponents.

C. Wi%in !ia%a$s: Su*$it $anu)actu%e%2s elect%ical %e(ui%e$ents

)o% po&e% supply &i%in )o% %oo)top 'eatin and coolin units. Su*$it

$anu)actu%e%2s ladde%type &i%in dia%a$s )o% inte%lock and cont%ol

&i%in. Clea%ly di))e%entiate *et&een po%tions o) &i%in t'at a%e

)acto%y installed and po%tions to *e )ield installed.

1.04 PRODUCT DELIVERY STORAGE AND !ANDLING

A. Handle %oo)top 'eatin and coolin units and co$ponents ca%e)ully to

 p%e0ent da$ae *%eakin dentin and sco%in. !o not install

da$aed %oo)top 'eatin and coolin units o% co$ponents@ %eplace

&it' ne&.

5. Sto%e %oo)top 'eatin and coolin units and co$ponents in clean d%y

 place. >%otects )%o$ &eat'e% di%t )u$es &ate% const%uction de*%isand p'ysical da$ae.

C. Co$ply &it' +anu)actu%e%2s %iin and installation inst%uctions )o%

unloadin %oo)top 'eatin and coolin units and $o0in t'e$ to )inal

location.

1.05 "ARRANTY ON COMPRESSOR 

A. >%o0ide &%itten &a%%anty sined *y t'e $anu)actu%e%

a%eein to %eplace"%epai% &it'in &a%%anty pe%iod

co$p%esso%s &it' inade(uate and de)ecti0e $ate%ialsand &o%k$ans'ip includin leakae i$p%ope%

;HA EN<INEERIN< C;NSULTANT -44841 R;;= T;> >ACKA<E! A"C UNITS

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CHALET SERVICE CENTREKUWAIT

asse$*ly o% )ailu%e to pe%)o%$ as %e(ui%ed@ p%o0ided

$anu)actu%e%s inst%uctions )o% 'andlin installin

 p%otectin and $aintainin units 'a0e *een ad'e%ed to

du%in &a%%anty pe%iod. Replace$ent is not li$ited to

co$ponent %eplace$ent only and it does include la*ou%

)o% %e$o0al and %einstallation.

5. Wa%%anty >e%iod )o% co$p%esso%s: 4 yea%s )%o$ date o) 'andin o0e%.

PART 2 # PRODUCTS

2.01 ROOFTOP UNITS

A. <ene%al : >%o0ide )acto%yasse$*led and tested %oo)top unit

desined )o% %oo) o% sla* $ountin consistin o) co$p%esso%s

condense%s e0apo%ato% coils condense% and e0apo%ato% )ans

%e)%ie%ation and te$pe%atu%e cont%ols )ilte%s and da$pe%s. >%o0ide

capacities and elect%ical c'a%acte%istics as sc'eduled.

5. Casin: >%o0ide al0ani3ed steel casin const%uction co%%osion

 p%otection coatin and ete%io% )inis'. >%o0ide %e$o0a*le panels

and"o% access doo%s )o% inspection and access to inte%nal pa%ts. Insulate

casin &it' -? t'ick $ini$u$ t'e%$al insulation. >%o0ide knockouts

)o% elect%ical and pipin connections. >%o0ide condensate d%ain

connection and li)tin lus. >aint casin *eie colo%.

C. E0apo%ato% =ans: >%o0ide )o%&a%dcu%0ed cent%i)ual *eltd%i0en

)ans &it' ad,usta*le s'ea0es and pe%$anently lu*%icated $oto%

 *ea%ins.

!. Condense% =ans: >%o0ide p%opelle%type di%ectd%i0en )ans &it' pe%$anently lu*%icated *ea%ins &it' 'ea0yduty $oto%.

E. Coils: =o% e0apo%ato% and condense% p%o0ide non)e%%ous const%uction

&it alu$inu$ plate )ins $ec'anically *onded to sea$less coppe%

tu*es@ &it' *%a3ed tu*in ,oints. Ci%cuit e0apo%ato% to p%o0ide )ull

acti0e )ace on $ini$u$ coolin step. >%o0ide condense% coil &it' anti

co%%osi0e paint. >%o0ide e0apo%ato% coil &it' a 448 =>+ $ai$u$

ace 0elocity o) ai% out coil.

=. Co$p%esso%s: >%o0ide se%0icea*le se$i'e%etic &it' auto$atically

%e0e%si*le oil >u$pBs o% 'e%$etic co$p%esso%s. >%o0ide 0i*%ation

;HA EN<INEERIN< C;NSULTANT -44846 R;;= T;> >ACKA<E! A"C UNITS

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isolato%s and c%ankcase 'eate%s &'ic' deene%i3e du%in co$p%esso%

ope%ation.

-. >%o0ide cylinde% unloade%s )o% capacity cont%ol &it' $ini$u$

steps as sc'eduled.

1. >%o0ide t'e%$al epansion 0al0es )ilte% d%ye%s si't lasses

co$p%esso% se%0ice 0al0es li(uid line se%0ice 0al0es@ and

 p%o0ide $ini$u$ o) 1 %e)%ie%ant ci%cuits )o% units 'a0in 1 o%

$o%e co$p%esso%s. >%o0ide )ancyclin cont%ol )o% lo&

a$*ient cont%ol to 64D= B1DC.

<. Sa)ety Cont%ols: >%o0ide t'e )ollo&in cont%ols:

-. Lo& p%essu%e cutout $anual %eset.

1. Hi' p%essu%e cutout $anual %eset.

6. Co$p%esso% $oto% o0e%load p%otection $anual %eset.. Sinle p'ase p%e0ention.

4. Ad,usta*le lo&a$*ient lockout.

H. =ilte%s: >%o0ide )%es' ai%"%etu%n ai% )ilte% sections consistin o)

?"1? t'ick &i%e $es' $etal cleana*le p%e)ilte% in )ilte% %acks

&it' $ai$u$ )ace 0elocity o) 148"688 )p$. and e))iciency o)

not less t'an F8G.

I. Elect%ical: >%o0ide 18V con0enience outlet sepa%ately

)used )o% unit se%0ice. >%o0ide $eans )o% unit po&e%

connection eit'e% t'%ou' unit ca*inet o% &it'in %oo) cu%*

 pe%i$ete%.

. Accesso%ies: >%o0ide t'e )ollo&in accesso%ies:

-. AntiRecyclin Cont%ol: >%o0ide cont%ols to

auto$atically p%e0ent co$p%esso% %esta%t )o% 4$inutes

a)te% s'utdo&n.

PART 3 # EXECUTION

3.01 INSPECTION

Ea$ine a%eas and conditions unde% &'ic' %oo)top 'eatin and coolin

units a%e to *e installed. !o not p%oceed &it' &o%k until unsatis)acto%y

conditions 'a0e *een co%%ected.

3.02 INSTALLATION OF ROOFTOP !EATING AND COOLING UNITS

A. <ene%al: Install %oo)top 'eatin and coolin units in acco%dance &it'

$anu)actu%e%2s installation inst%uctions. Install units plu$* and le0el

;HA EN<INEERIN< C;NSULTANT -4484 R;;= T;> >ACKA<E! A"C UNITS

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CHALET SERVICE CENTREKUWAIT

)i%$ly anc'o%ed in locations indicated and $aintain $anu)actu%e%s

%eco$$ended clea%ances.

5. Suppo%t: Install units on %oo) cu%* in acco%dance &it' National

Roo)in cont%acto%s Association BNRCA installation

%eco$$endations.

C. Elect%ical Wi%in: Install elect%ical de0ices )u%nis'ed *y $anu)actu%e%

 *ut not speci)ied to *e )acto%y$ounted. =u%nis' copy o)

$anu)actu%e%s &i%in dia%a$ su*$ittal.

-. Ve%i)y t'at elect%ical &i%in installation is in acco%dance &it'

$anu)actu%e%s su*$ittal and installation %e(ui%e$ents o) t'e

Elect%ical Section o) t'e HVAC Installation. !o not p%oceed

&it' e(uip$ent sta%tup until &i%in installation is accepta*le.

!. !uct&o%k: Re)e% to Lo& >%essu%e !uct&o%k Sectiono) t'e HVAC Installation. Connect supply and %etu%n

ducts to units &it' )lei*le duct connections. >%o0ide

t%ansitions to eactly $atc' unit duct connection si3es.

3.03 START-UP

A. Sta%tup %oo)top 'eatin and coolin units in

acco%dance &it' $anu)actu%e%s sta%tup inst%uctions.

Test cont%ols and de$onst%ate co$pliance &it'

%e(ui%e$ents. Replace da$aed o% $al)unctionin

cont%ols and e(uip$ent.

5. 5alance %oo)top unit syste$s to 0e%i)y its capacity and

 *alance deli0e%y o) ai% )o% eac' space.

END OF SECTION

;HA EN<INEERIN< C;NSULTANT -44844 R;;= T;> >ACKA<E! A"C UNITS