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LIMITATIONS

These units must be installed in accordance with the following
national and local safety codes:
In U.S.A.:
1. National Electrical Code ANSI/NFPA No. 70.
2. National Fuel Gas Code Z223.1.
3. Gas-Fired Central Furnace Standard ANSI Z21.47a.
4. Local gas utility requirements.
In Canada:

1. Current Canadian Electrical Code   C22.1.
2. Current Gas Installation Codes CAN/CGA-B149.1 and .2
3. Local plumbing and waste water codes.
4. Other applicable local codes.
Refer to the Unit Application Data table and to the Gas Heat
Application Data table.
After installation, the unit must be adjusted to obtain a
temperature rise within the range specified on the unit rating
plate.
If components are to be added to a unit to meet local codes,
they are to be installed at the dealer’s and/or the customer’s
expense.
Size of unit for proposed installation should be based on heat
loss/heat gain calculation made according to the methods of
the Air Conditioning Contractors of America (ACCA).
This furnace is not to be used for temporary heating of buildings
or structures under construction.

LOCATION

Use the following guidelines to select a suitable location for
these units.

1. Unit is designed for outdoor installation only.
2. Condenser coils must have an unlimited supply of air.

Where a choice of location is possible, position the unit on
either north or east side of building.

WARNING: E x c e s s i ve   ex p o s u r e   o f   t h i s   f u r n a c e   t o

contaminated combustion air may result in
equipment damage or personal injury. Typical
contaminates include: permanent wave solutions,
chlorinated waxes and cleaners, chlorine based
swimming pool chemicals, water softening
chemicals, carbon tetrachloride, Halogen type
r e f r i g e r a n t s,   c l e a n i n g   s o l ve n t s   ( e. g .
perchloroethylene), printing inks, paint removers,
varnishes, hydrochloric acid, cements and glues,
antistatic fabric softeners for clothes dryers,
masonry acid washing materials.

3. For ground level installation, use a level concrete slab with

a minimum thickness of 4 inches. The length and width
should be at least 6 inches greater than the unit base rails.
Do not tie slab to the building foundation.

4. Roof structures must be able to support the weight of the

unit and its options and/or accessories. Unit must be

installed on a solid level roof curb or appropriate angle iron
frame.

CAUTION: If a unit is to be installed on a roof curb or special

frame other than a YORK roof curb, gasketing must
be applied to all surfaces that come in contact with
the unit underside.

5. Maintain level tolerance to 1/2 inch maximum across the

entire length or width of the unit.

RIGGING AND HANDLING

Exercise care when moving the unit. Do not remove any
packaging until the unit is near the place of installation. Rig the
unit by attaching chain or cable slings to the round lifting holes
provided in the base rails. Spreaders, whose length exceeds
the largest dimension across the unit, MUST be used across
the top of the unit. Refer to  the figure below.

CAUTION: Before lifitng a unit, make sure that all panels are

in place and that its weight is distrbuted equally on
all cables so it will lift evenly.

Units may also be moved or lifted with a forklift, from the front
or rear only, providing that an accessory skid is used.
LENGTH OF FORKS MUST BE A MINIMUM OF 90".

CAUTION: An adhesive backed label is provided over the

outside of the combustion air inlet opening to
prevent moisture from entering the unit which could
cause damage to electrical components. Allow this
closure label to remain in place until the
combustion air hood is to be installed (refer to Vent
and Combustion Hood Figure).

Refer to the Physical DataTable  for unit weights and to the
figure below for approximate center of gravity.

CLEARANCES

All units require certain clearances for proper operation and
service. Installer must make provisions for adequate combustion
and ventilation air in accordance with Section 5.3, Air for
Combustion and Ventilation of the National Fuel Gas Code, ANSI
Z223.1 (in U.S.A.) or Sections 7.2, 7.3 or 7.4 of  Gas Installation
Codes CAN/CGA-B149.1 and .2 (in Canada) and/or applicable
provisions of the local building codes. Refer to Dimensions and
Clearances Figure for the clearances required for combustible
construction, servicing, and proper unit operation.
WARNING: Do not permit overhanging structures or shrubs to

obstruct outdoor air discharge outlet, combustion
air inlet or vent outlets.

INSTALLATION

Model Size

15 TON

20 TON

Voltage Variation,
     Min. / Max.

1

208/230-3-60

187 / 253

460-3-60

414 / 506

575-3-60

518 / 630

Supply Air CFM, Min. / Max.

4500 / 7200

6000 / 9400

Wet Bulb Temperature (

°

F) of Air on

     Evaporator Coil, Min. / Max.

57 / 72

Dry Bulb Temperature (

°

F) of Air on

     Condenser Coil, Min.

2

 / Max.

25 / 120

1Utilization range “A” in accordance with ARI Standard 110.

2

A low ambient accessory is available for operation down to 0

°

F.

TABLE 1 - UNIT APPLICATION DATA

FIG. 1 - TYPICAL RIGGING

FIG. 2 - CENTER OF GRAVITY

530.18-N6Y

Unitary Products Group

3

Summary of Contents for D2CG180

Page 1: ...rsion Accessory USA 530 18 N6 2V High Altitude Accessory Nat Gas 530 18 N6 3V High Altitude Accessory Propane 530 18 N13Y Coil Guard Installation Renewal Parts Refer to the Renewal Parts Manual for co...

Page 2: ...7 Four And Six Point Loads 12 8 Supply Air Blower Perf 15 Ton 13 9 Supply Air Blower Perf 20 Ton 14 10 Static Resistances 15 11 Power Exhaust Performance 15 12 Blower Motor and Drive Data 15 13 Limit...

Page 3: ...ame other than a YORK roof curb gasketing must be applied to all surfaces that come in contact with the unit underside 5 Maintain level tolerance to 1 2 inch maximum across the entire length or width...

Page 4: ...ductwork to accommodate the damper Using the holes in the hood flanges as a template drill 9 64 inch dia 26 drill holes into the ductwork and secure with the screws provided CAUTION If outdoor air in...

Page 5: ...ing to the unit waterproof type connectors MUST BE USED so that water or moisture cannot be drawn into the unit during normal operation The above waterproofing conditions will also apply when installi...

Page 6: ...or John Crane may be used 4 All piping should be cleaned of dirt and scale by hammering on the outside of the pipe and blowing out the loose dirt and scale Before initial start up be sure that all of...

Page 7: ...securing in place OPTIONAL ECONOMIZER MOTORIZED DAMPER RAIN HOOD The instruction for the optional economizer motorized damper rain hood can be found in form 44 320 2 Use these instructions when field...

Page 8: ...FIG 9 ENTHALPY SETPOINT ADJUSTMENT 530 18 N6Y 8 Unitary Products Group...

Page 9: ...6 0 43 3 COMPRESSOR Qty Per Unit 10 TON TANDEM 1 2 5 TON HERMETIC 1 AIR FILTERS QUANTITY PER UNIT 16 X 20 X 2 4 QUANTITY PER UNIT 16 X 25 X 2 4 QUANTITY PER UNIT 18 X 24 X 2 5 TOTAL FACE AREA sq ft 15...

Page 10: ...84 9 100 460 3 60 19 2 124 9 6 62 1 2 1 5 7 2 42 4 50 575 3 60 15 4 100 7 7 50 1 2 0 5 5 9 33 9 40 DCG240 208 230 3 60 38 4 248 38 4 248 1 4 1 4 2 7 5 21 0 19 4 115 1 111 6 125 460 3 60 19 2 124 19 2...

Page 11: ...ic meters gas meters regulators and relief equip R E T U R N A I R S U P P L Y A I R B O T T O M S U P P L Y A N D R E T U R N A I R O P E N I N G S S e e N o t e B P O W E R W I R I N G E N T R Y A C...

Page 12: ...NOTE These weights are with economizer and the largest blower motor available UNIT 6 POINT LOADS LBS TOTAL A B C D E F 180 2300 351 367 392 416 399 375 240 2500 334 350 426 502 481 407 NOTE These weig...

Page 13: ...7 3 0 2 7 0 4 3 5 3 1 915 5 0 1 1 2 6 2 4 0 8 3 1 2 8 0 5 3 6 3 2 0 2 4 1 3 7 965 4 0 1 2 2 7 2 5 0 9 3 2 2 9 0 6 3 7 3 3 0 4 4 4 3 9 0 2 5 0 4 5 980 3 5 1 3 2 9 2 6 1 0 3 4 3 0 0 7 3 8 3 4 0 5 4 5 4...

Page 14: ...4 1 1 5 0 4 2 0 6 5 9 5 0 0 1 6 7 5 7 950 3 5 1 7 4 2 3 6 1 3 5 1 4 3 0 8 6 0 5 1 0 2 6 9 5 8 965 2 5 1 9 4 5 3 8 1 5 5 4 4 5 1 0 6 3 5 3 0 4 7 2 6 1 0 1 8 5 7 1 995 2 0 2 1 4 6 3 9 1 6 5 5 4 7 1 1 6...

Page 15: ...65 1190 BK80 7 75 7 4 1 BX68 69 8 1 20 TON Stan dard 870 1025 7 5 213T 89 1VP68 6 75 5 5 6 52 1 3 8 BK120 11 75 11 4 1 3 16 BX83 84 8 1 High Speed Access 950 1120 BK110 10 75 10 4 1 3 16 BX81 81 8 1 1...

Page 16: ...rating efficiency ECONOMIZER SINGLE OR DUAL WITH POWER EXHAUST This system operates as specified above with one addition The power exhaust motor is energized whenever the economizer is chosen by the e...

Page 17: ...here are two separate gas valves in the furnace Each valve contains a main and a redundant valve The redundant valves are located upstream of the main gas valves Should either or both of the main gas...

Page 18: ...units If gas pressure is outside these limits contact the local gas utility for corrective action MANIFOLD GAS PRESSURE ADJUSTMENT Small adjustments to the high fire gas flow may be made by turning th...

Page 19: ...within the limitations shown in the Applications Data Table 2 Pulleys can be adjusted in half turn increments 3 The tension on the belt should be adjusted as shown in the Belt Adjustment figure Start...

Page 20: ...2 With the furnace turned on measure the time needed for one revolution of the hand on the smallest dial on the meter A typical gas meter usually has a 1 2 or a 1 cubic foot test dial 3 Using the numb...

Page 21: ...E Exercise care when cleaning the coil so that the coil fins are not damaged Do not permit the hot condenser air discharge to be obstructed by overhanging structures of shrubs BURNER PILOT Periodicall...

Page 22: ...tat fan switch set to AUTO a Set fan switch to ON If blower motor runs go to Step f If it does not check to see if line voltage is being supplied to the contacts of the contactor M3 and if the contact...

Page 23: ...T CHECKOUT b Check all wiring between the ignitor control and the gas valve Check to make sure the ground connections are intact c If the wiring is intact check for 24 volts across terminals PV and CO...

Page 24: ...and information from OUR current parts list for this unit are available to your servicing contractor through our local distributor The name and address of our nearest distributor may be obtained by co...

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