York DHG 048, DHG 180, DHG 060, DHG 036, DHG 240 User Manual

®

OPTION PACKAGES

INSTALLATION INSTRUCTION

MODELS DHE, DHG 036, 048 & 060, 180 & 240

GENERAL

Below are descriptions of option packages available on the
Sunline Plus (3 and 7.5 through 20 ton) and Sunline Ultra (3,4
and 5ton)units. There are 4 optionpackages,the: BASE OP­TION PACKAGE, PROTECTION PACKAGE, INSTALLATION
PACKAGE, and CABINET PACKAGE. The BASE OPTION
PACKAGE can be ordered alone, but is always included with
any of the other option packages.

FACTORY OPTIONS

The following factory options can be ordered in conjunction
with any of the OPTION PACKAGES:

A. No Economizer.

Supersedes: 530.24-N1Y (199)

FOR SUNLINE™

MODELS DEE, DEG 036

D. Smokedetectorterminal block provisions

wiring means for powering a 24VAC duct smoke detector
anda single set of normally closed contacts, which open to
shut down the unit upon detection of smoke. Although the
air conditioning unit is shut down when the smoke detector
alarms, the 24V power supply to the smoke detector is not
interrupted.Actualmounting means for thesmokedetector
are not provided due to the wide variation in regulations
and codes.

CAUTION: Normal maintenance activity will require discon-

035-16134-000 Rev. A(0501)

providefield-

necting power to the unit. When the YORK sup­pliedterminal stripis usedto provide24V powerto
a smoke detector; the smoke detector will not be
powered when the power supply is interrupted to
theunit. Ifthe smoke detectoris linked toseparate
monitoring system that would detect this power
shutdown and report it as an alarm condition, do
not use the unit terminal strip to power the smoke
detector.

B. Dry Bulb Economizer.

C.DryBulbEconomizerwithPowerExhaust(15&20tonunitsonly).

NOTE:Notall combinations of base unitsand option packages

are available. See the Price Pages for specific model
and option combinations.

All option packages are available with the dry bulb
economizer option only.

Individual items within each package can not be
broken-out and ordered separately.

BASE OPTION PACKAGE

A. High-speed drive (15 & 20 ton units) includes a belt and

blower pulley upgrade, an alternate hp motor (7 - 12 tons)
or the belt drive option (3 - 5 tons).

B. Self-primingcondensatecover
C. A sloped drain pan

to prevent standing water in the drain

pan.

NOTE:The internal drain connection is not offered with the

sloped drain pan design on the 15 & 20 ton units.

assistsinprimingadrytrap.

SMOKE DETECTOR TERMINAL BLOCK DIAGRAM

NORM ALY

C LO SED

CONTACTS

24 VA C

UNIT W IRING

JUM PER
Rem ove
ju m p e r a n d
w ire to th e
norm ally
clo sed
contacts of
th e s m o k e
detector

Wired to
24 VAC

pow er
te rm in a ls
of sm oke

d e te c to r

24 VA C

POW ER SUPPLY

5VA (Max.)

UNIT W IRING

TER M INAL

BLOCKS

(located in

Econom izer

section)

Field S upplied W iring

PROTECTION PACKAGE

A. A check filter switch operates on differential pressure

and indicates when the airflow pressure drop has in
creased past a user defined setpoint (field adjustable from

0.05- 5 inches of water;factory setat 0.25 inches). Factory
wire leads are provided in the control box for wiring to a re
mote 24V indicator, see the unit wiring label.

mounted switch for disconnecting power during routine
maintenance or service, but does not

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or short circuit protection for the unit's power supply.

NOTE:This breaker is not intended to replace any additional

provide over-current

circuit protection required by any local or national code.

B. A phase loss monitor

protects against phase loss, low
voltageandphasereversal. The switchautomaticallyshuts
offpower to the units control circuit if one of the above con
ditionsis detected andwill automatically resetupon correc
tion of the problem. The sensitivity is field adjustable and
hasavisualLEDindicationofitsoperationalstatus.Factory
wire leads are provided in the control box for wiring to a re
mote 24V indicator, see the unit wiring label.

C. Acondensate overflow switch

shuts down and locks out
theunit prior tooverflow of the evaporator condensatepan.
To resetthelockout, power must beresetat the unitandthe
faultconditionmust be cleared beforeproperoperation can
berestored.It requires periodiccleaningand maintenance.
Factorywire leadsare provided in the control box for wiring
to a remote 24V indicator, see the unit wiring label.

To modify the condensate overflow switch system to act as
a auto-reset safety only requires removing one wire. Re
move the wire that leads from the overflow switch to the
lockout relay. See unit wiring diagram for wire number and
details

INSTALLATION PACKAGE

A. Disconnect Switch

For units with gas heat or factory installed electric heat this
package includes a: HACR Molded Case Circuit Breaker
that doubles as a disconnect switch while also providing
unit mounted over-current and short circuit protection.

For units shipped as cooling only or utilizing field mounted
electric heat kits this package includes a: Non-Fused
Molded Case Disconnect Switch. This switch is sized for
the largest electric heat kit available from York for each
model size and voltage. This switch provides a unit

WARNING:The breaker shipped with dual voltage (208/230V)

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15tonand20 ton modelsutilizing36or 72kW elec
tric heat is sized only for 240V service. These
models: DHE180E03625, DHE180E07225,
DHE240E02625 and DHE2400E07225, require a

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208V rated breaker when powered by 208V serv
ice. A kit is available to provide a breaker properly
sized for 208V applications that mounts in the
same location as the factory mounted breaker.

B. Non-powered 120V G.F.C.I. duplex outlet

is rated at 20
Amps for U.S. locations and 15 Amps for Canadian loca
tions (Requires separate 120V power be supplied to the
unit).

CABINET PACKAGE

A. Tool-less, hinged filter door allows for easy access and

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maintenance.

NOTE:Knobs are shipped separately within the unit toprevent

shippingdamage.These must befieldinstalledfor tool­less operation.

B. Tool-less blower and control panels

(not hinged) allows

for easy access and maintenance.

NOTE:Knobs are shipped separately within the unit toprevent

shippingdamage.These must befieldinstalledfor tool­less operation.

C. Condenser coil grill guards

to protect the coil surface

from damage.

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Unitary Products Group
5005 York Drive, Norman, Oklahoma 73069
Subject to change without notice. Printed in U.S.A
Copyright  by York International Corporation 2001. All Rights Reserved.

Supersedes: 530.24-N1Y (199)

035-16134-000 Rev. A(0501)