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GENERAL

YORK Model DCG units are single package air conditioners
with gas heat designed for outdoor installation on a roof top or
a slab.

The units are completely assembled on rigid, permanently
attached base rails. All piping, refrigerant charge, and electrical
wiring is factory-installed and tested. The units require only electric
power, gas piping and duct connections at the point of installation.

The gas-fired heaters have aluminized steel tubular heat
exchangers and spark ignition with intermittent pilot.

This appliance is not to be used for temporary heating of
buildings or structures under construction.

INSPECTION

As soon as a unit is received, it should be inspected for possible
damage during transit. If damage is evident, the extent of the
damage should be noted on the carrier’s freight bill. A separate
request for inspection by the carrier’s agent should be made in
writing. Refer to Form 50.15-NM for additional information.

REFERENCE

Additional information on the design, installation, operation and
service of this equipment is available in the following reference forms:

55.70-N1           -General Installation

55.70-N2           -Pre-start & Post-start Check List

530.18-N1.2V    -Economizer Accessory

530.18-N1.13V  -Man. Outdoor Air Damper Accy 0-35%

530.18-N1.14V  -Man. Outdoor Air Damper Accy 0-100%

530.18-N1.12V  -Motorized Outdoor Air Damper Accy.

530.18-N1.8V     -Coil Guard

530.18-N2.11V   -Low NOx Accessory

530.18-N8.2V     -High Altitude Accy. (Natural Gas)

530.18-N8.3V     -High Altitude Accy. (Propane)

530.18-N8.4V     -Gas Piping Accessory

530.18-N8.12V   -Propane Conversion Accessor

690.15-N25V      -Low Ambient Accessory

Renewal Parts:

Refer to Parts Manual for complete listing of replacement
parts on this equipment.

All forms referenced in this instruction may be ordered from:

Publications Distribution Center
Unitary Products Group
P.O. Box 1592, York, PA 17405

APPROVALS

Design certified by CGA and  UL listed as follows:

1. For use as a forced air furnace with cooling unit.
2. For outdoor installation only.
3. For installation directly on combustible flooring or, in the U.S.A.,
     on wood flooring or Class A, B, or C roof covering material.
4. For use with natural gas and/or propane (LP) gas.

Not suitable for use with conventional venting systems.

® 

SUNLINE 2000

GAS / ELECTRIC

SINGLE PACKAGE AIR CONDITIONERS

INSTALLATION INSTRUCTION

Supersedes: 530.18-N8Y (295)

530.18-N8Y (1096)

035-14838

CAUTION

SCROLL COMPRESSORS
OPERATE IN ONLY ONE
DIRECTION.

If the compressor is
experiencing:

  - low amperage draw

  - similar discharge and
    suction pressure

  - increased noise level

It is operating in reverse.
Switch two line voltage
connections to correct.

Installer should pay particular attention to the words:  

NOTE, CAUTION and WARNING. Notes are intended to clarify or make

the installation easier. Cautions are given to prevent equipment damage. Warnings are given to alert installer that personal injury
and/or equipment damage may result if installation procedure is not handled properly.

CAUTION

THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE WITH THE ENCLOSED INSTALLATION INSTRUCTIONS
AND ANY APPLICABLE LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED TO, BUILDING, ELECTRI-
CAL, AND MECHANICAL CODES

WARNING

INCORRECT INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE
PERSONAL INJURY, PROPERTY DAMAGE AND/OR DEATH.

WARNING

DE-ENERGIZE THE ELECTRICAL POWER AND TURN OFF THE GAS SUPPLY TO THE UNIT BEFORE ATTEMPTING TO
INSPECT, REPAIR OR PERFORM MAINTENANCE TO THE UNIT.

MODELS D7CG 036, 048 & 060 (10 SEER)

MODEL D2CG 072 (9 EER)

(STYLE A & Belt Drive Option)

FOR YOUR SAFETY

Do not store or use gasoline or
other flammable vapors or liquids
in the vicinity of this or any other
appliance
.
If you smell gas:
1. Open windows
2. Don’t touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.

Summary of Contents for SUNLINE 2000 D2CG 072

Page 1: ...P O Box 1592 York PA 17405 APPROVALS Design certified by CGA and UL listed as follows 1 For use as a forced air furnace with cooling unit 2 For outdoor installation only 3 For installation directly on combustible flooring or in the U S A on wood flooring or Class A B or C roof covering material 4 For use with natural gas and or propane LP gas Not suitable for use with conventional venting systems ...

Page 2: ... 5 Physical Data 9 6 Supply Air Blower Perf 3 6 Ton Direct Drive 9 7 Motor Drive Data Belt Drive Blower 9 8 Supply Air Blower Perf 3 4 Ton Belt Drive 10 9 Supply Air Blower Perf 5 6 Ton Belt Drive 11 10 Electrical Data Direct Drive 12 11 Electrical Data Belt Drive 12 12 Superheat 036 12 13 Superheat 048 13 14 Superheat 060 13 15 Superheat 072 13 16 Limit Control Setting 16 17 Belt Drive Supply Air...

Page 3: ...mulation in your area 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 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 BEFORE LIFTING A UNIT MAKE SURE THAT ITS...

Page 4: ...he internal wiring harness furnished with this unit is an integral part of a UL and CGA design certified unit Field alteration to comply with electrical codes should not be required A disconnect switch should be field provided for the unit The switch must be separate from all other circuits Refer to Figure 9 for installation location If any of the wire supplied with the unit must be replaced repla...

Page 5: ...RELAY BOARD TO PREVENT SIMULTANEOUS OPERATION OF THE SCROLL COMPRESSOR AND THE ECONOMIZER IF YOU WANT TO CONTROL THE ECONOMIZER ON A SECOND STAGE OF COOLING OR HAVE AN ELECTRIC HEAT ACCESSORY WITH TWO STAGES OF HEAT USE THERMOSTAT 2TH04701024 COOLING HEATING 24 VOLT THERMOSTAT COOLING HEATING 24 VOLT ELECTRONIC THERMOSTAT 24 VOLT TRANSFORMER THERMOSTAT1 TERMINALS UNIT TERMINAL STRIP TB1 ADD JUMPER...

Page 6: ...FLAME 6 The furnace and its individual manual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 48kPa The furnace must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equa...

Page 7: ...nd corner 2 Remove the 1 2 knockout A in the units rear panel located to the right side of the outdoor air opening Insert the two loose wires from inside the unit into the 1 2 bushing provided Insert wires and bushing into knockout Snap bushing into place 3 Mount the outdoor air sensor to the rear panel just below the knockout described in Step 2 Secure with two self drilling screws at dimples B p...

Page 8: ...ing carefully turn the minimum position adjusting screw fully clockwise and then energize and de energize terminals R to G With terminals R to G energized turn the minimum position screw counterclockwise until the desired minimum position has been attained 11 Replace the filter section access panel FIG 7 ENTHALPY SET POINT ADJUSTMENT EXTERNAL STATIC PRESSURE DROP DESCRIPTION RESISTANCE IWG CFM 100...

Page 9: ...ZE MOTOR SPEED Available External Static Pressure IWG 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts 036 HI MED LOW 1684 1487 800 710 1631 1464 780 690 1699 1582 1421 825 750 670 1650 1524 1367 785 720 650 1570 1410 1315 755 690 620 1430 1324 1246 725 650 605 1360 1260 1185 700 630 590 1280 1185 1110 680 610 57...

Page 10: ...RS REFER TO THE STATIC RESISTANCES TABLE FOR RESISTANCE VALUES ON APPLICATIONS OTHER THAN GAS ELECTRIC UNITS WITH SIDE DUCT AIRFLOWS UNIT SIZE AIR FLOW CFM Available External Static Pressure IWG 0 20 0 30 0 40 0 50 0 60 0 70 0 80 RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 048 2000 843 860 880 925 919 1005 956 1065 993 1145 1030 1195 1067 1235 1900 817 775 854 850 893 920...

Page 11: ...ure IWG 0 20 0 30 0 40 0 50 0 60 0 70 0 80 RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 060 2500 1059 1560 1077 1590 1095 1630 1114 1650 1134 1660 1158 1685 1181 1720 2400 1032 1405 1054 1470 1074 1525 1094 1560 1116 1595 1140 1620 1167 1640 2300 1005 1260 1024 1275 1049 1370 1069 1440 1090 1475 1116 1505 1142 1535 2200 980 1160 1002 1170 1022 1190 1044 1250 1066 1350 1090...

Page 12: ...3 504 630 28 9 16 0 8 0 6 4 165 0 125 0 67 0 50 0 1 3 1 3 0 8 0 8 8 6 6 0 3 0 2 4 46 0 27 3 13 8 11 2 70 40 20 15 70 40 20 072 208 230 3 60 460 3 60 575 3 60 187 414 518 253 504 630 20 3 10 2 8 2 146 0 73 0 58 4 1 3 0 8 0 8 7 3 3 7 2 8 34 0 17 3 13 9 50 25 20 50 25 NOTES 1 Utilization Range A in accordance with ARI Standard 110 2 Dual element time delay type TABLE 11 ELECTRICAL DATA BASIC UNIT w B...

Page 13: ... 32 3 33 4 75 13 7 15 9 18 1 20 3 22 5 24 7 26 9 28 1 29 3 30 5 31 8 80 10 4 12 8 15 1 17 4 19 8 22 1 24 5 25 9 27 3 28 7 30 2 85 7 2 9 7 12 2 14 6 17 1 19 6 22 0 23 7 25 3 27 0 28 6 90 6 6 8 9 11 3 13 6 16 0 18 3 20 6 22 8 25 0 27 3 95 5 7 7 9 10 1 12 4 14 6 17 4 20 3 23 1 25 9 100 6 5 8 2 9 9 11 6 14 6 17 6 20 6 23 6 105 5 1 6 3 7 4 8 6 11 8 15 0 18 1 21 3 110 5 6 9 0 12 3 15 7 19 0 115 6 1 9 7 ...

Page 14: ...le material and the supply air ductwork for a distance of 3 feet from the unit The products of combustion must not be allowed to accumulate within a confined space and recirculate Locate unit so that the vent air outlet hood is at least Three 3 feet above any forced air inlet located within 10 horizontal feet excluding those integral to the unit Four 4 feet below 4 horizontal feet from or 1 foot a...

Page 15: ...DMC is energized The DMR or DMC power contacts close which energizes the line voltage draft motor As the speed of the draft motor reaches approximately 2500 RPM the centrifugal switch contact CS located on the end of the draft motor shaft closes to power the ignition control IC After 15 seconds the IC will start the ignitor sparking and will open the redundant valve located inside the main gas val...

Page 16: ...ut Output 3 4 3 4 5 5 6 6 50 75 100 125 100 125 100 125 40 60 79 99 79 99 79 99 165 165 165 165 165 165 165 165 TABLE 16 LIMIT CONTROL SETTING Gas Valve Anticipator Setpoint Honeywell VR8204M 0 60 amp White Rodgers 36E36 0 54 amp START UP OPERATING INSTRUCTIONS CAUTION This furnace is equipped with an intermittent pilot and automatic re ignition system DO NOT attempt to manually light the pilot TO...

Page 17: ...r Adjust the resistances in both the supply and the return air duct systems to balance the air distribution throughout the conditioned space The job specifications may require that this balancing be done by someone other than the equipment installer To check the supply air CFM after the initial balancing has been completed 1 Remove the two 5 16 dot plugs from the holes located on the filter access...

Page 18: ...he permissible range of the regulator setting replace the orifice spuds with spuds of the proper size NOTE To find the Btu input multiply the number of cubic feet of gas consumed per hour by the Btu content of the gas in your particular locality contact your gas company for this information it varies widely from city to city SECURE OWNER S APPROVAL When the system is functioning properly secure th...

Page 19: ... Brush out the inside of the flue collector box and the flue baffles 8 Run the wire brush down the vent tube from the flue collector end 9 If soot build up is particularly bad remove the vent motor and clean the wheel and housing Run the wire brush down the flue extentions at the outlet of the vent housing 10 After brushing is complete blow all brushed areas with air or nitrogen Vacuum as needed 1...

Page 20: ...it is within the proper limits as described in the POST START CHECK LIST and that the pilot adjust screw is allowing some flow of gas as described in PILOT CHECKOUT b Checkallwiringbetweentheignitorcontrolandthegasvalve Check to make sure the ground connections are intact c If the wiring is intact check for 24 volts across terminals PV and COMMON on the ignitor control If 24 volts is not present r...

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