York DNH018 Coilguard, Protective, Andsuplyair, Highefficiency, Rear&Bottom, Rigidlymounted

Models: DNH018

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BLOW-THROGHDESIGN

036-21233-002-A-0903

HAIL GUARD KIT - Kit contains protective grilles made of expanded aluminum with full perimeter frame. Sloped hoods are also included to assure maximum protection.

ANTI SHORT CYCLE TIMER - Automatically prevents the compressor from restarting for 5 minutes after cycled off.Not required if Thermostat 2ET07700224 and 2ET04700224 are used.

FILTER / FRAME KIT (Single Phase only) - Kit contains the necessary hardware to field install return air filters into the base unit. Pre-cut filter racks and appropriate cleanable stan- dard size filters are shipped in one kit. The filter rack is suit- able for either 1" or 2" filters. (1" filter is supplied) This kit is available for single phase horizontal or vertical duct applica- tion only. Standard in all 3 Phase models.

MOTORIZED FRESH AIR DAMPER - Designed for duct mounted side supply/return and unit mounted down supply/ return applications. Damper capable of providing 0% through 50% of outdoor air (field supplied). Closes on power loss, includes hood and screen assembly.

openings on the base unit. Transition is from side square duct opening to 14" round duct opening.

ROOF CURBS - NRCA approved curbs provide proper fit to base unit for rooftop installations. Curbs are designed to be assembled through hinge pins in each corner. Kit also pro- vides seal strip to assure a water tight seal. 8 and 14 inch high roof curbs are available.

MANUAL OUTDOOR DAMPER - Provides 0% through 50% outdoor air capability (field adjustable). Designed for duct mounted side supply/return applications. Includes hood and screen assembly.

WALL THERMOSTAT - The units are designed to operate with 24-volt electronic and electro-mechanical thermostats. All units can operate with single stage heat / single stage cool thermostats - with or without the economizer.

LOW AMBIENT KIT - Kit provides necessary hardware to convert unit to operate in cooling cycle down to 0 F. Standard unit operation 45 F.

RECTANGLE TO ROUND ADAPTERS - Kit includes one

 

TRANSFORMER KIT - Kit provides necessary hardware to pro-

 

vide single phase models from factory furnished 40 VA trans-

supply and one return air rectangle to round duct adapter.

 

 

former capability to 75 VA transformer capability. (Required on

Adapters are preformed and designed to fit over current duct

 

 

installations with economizer or motorized damper.)

 

 

 

 

 

 

 

 

 

 

 

DIRECT

 

IVE

BLOW-THROGHDESIGN

 

 

 

 

CONDENSE

FAN

 

 

 

 

￿MOTOR

 

￿￿STEELTUBULARHEAT

 

 

 

 

 

 

 

WITHRIABLELUMINIZED

 

 

 

 

 

 

 

EXCHANGERS￿

 

 

￿￿

HIGHLYENHNCEREFFICIE

 

 

 

 

 

 

 

COPPERTUBE/ALUMINUMFIN

 

 

 

 

 

 

EVAPORATORHIGHLYCOILEFFICIENT

LNG-LASTING

 

 

 

 

 

ENHANCEDCOPPER

 

 

 

 

 

TUBE/ALUMINUMFIN

PWDEROFINISHPAINT

 

 

 

 

 

CONDENSERDECORATIVECOIL

 

 

 

 

 

 

 

 

PROTECTIVE

REAR&BOTTOM

 

 

 

 

 

COILGUARD

 

 

 

 

 

HIGHEFFICIENCY

RETRNAIR

￿

 

 

 

 

 

 

 

 

 

 

 

 

COMPRESSOR

ANDSUPLYAIR

 

 

 

 

 

RIGIDLYMOUNTED
DUCTOENINGSP

 

 

 

 

 

H

SURFACE￿￿

HAVYGUGE

 

 

 

 

 

 

PILOTASSEMBLY

RMOVEABLE

 

 

 

 

 

HIGHGRADE

BASERAILS

 

 

 

 

 

￿￿￿￿

 

 

 

 

 

 

 

ALUMINIZED

 

 

 

 

 

 

 

-SHOTBURNERS

 

 

 

 

 

 

 

TERMINALBLOCK

3-SPEEDDIRECTDRIVE

 

 

 

 

LOWVOLTAGE

 

 

SELF-DIAGNOSTICCONTROLS

￿BLOWERMOTORWITH

 

 

￿SLIDE￿￿-OUT￿

BLOWERASSEMBLY￿

 

 

AUTOWITHMATIC"COMFORTCONTROLMATCH"SPEED

 

 

POWERVENTERMOTOR

HIGHVOLTAGE

GASVALVE

 

 

 

 

 

 

 

(1/2"-14NPTI)

 

 

 

 

 

 

TERMINALBLOCK

 

 

 

 

 

FIGURE 1 - UNIT COMPONENT LOCATION

Unitary Products Group

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York DNH018 Coilguard, Protective, Andsuplyair, Highefficiency, Rear&Bottom, Rigidlymounted, Ductoeningsp, Exchangers