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GENERAL

YORK Model DCG units are single package air conditioners
with gas heat designed for outdoor installation on a rooftop 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 and duct connections at the point of installation.
The gas-fired heaters have aluminized steel tubular heat
exchangers and spark ignition with proven pilot.

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-N3.2V   - Economizer Accessory

530.18-N3.4V   - Motorized Outdoor Air Damper Accy.

530.18-N8.4V   - Gas Piping Accessory

530.18-N10.1V - Propane Conversion Accessory (USA)

530.18-N10.2V - High Altitude Accessory (Nat. Gas)

530.18-N10.3V - High Altitude Accessory (Propane)

530.18-N10.4V - Propane Conversion Accessory (CAN.)

690.15-N25V    - Low Ambient Accessory

Renewal Parts:

Refer to the Renewal 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 U.L. & CGA as follows:
1. For use as a forced air furnace with cooling unit.
2. For outdoor installation only.
3. For installation on combustible material.
4. For use with natural gas or propane gas.

® 

SUNLINE 2000

GAS / ELECTRIC

SINGLE PACKAGE AIR CONDITIONERS

INSTALLATION INSTRUCTION

Supersedes:  530.18-N10Y (693)

530.18-N10Y (995)

MODELS D3CG090, 102, 120 (STYLE B) 

& D4CG150 (STYLE A)

(8.5-9.0 EER)

035-13092

CAUTION

THE ENCLOSED INSTALLATION INSTRUCTIONS AND ANY APPLICABLE

LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED

TO, BUILDING, ELECTRICAL, AND MECHANICAL CODES.

THIS PRO DUCT M UST BE INSTALLED IN STRICT COMPLIANCE W ITH

WARNING

OPERATION OF THE  PRODUCT COULD CAUSE  PERSONAL  INJURY

O R   P R O P E R T Y   D A M A G E .

INCORRECT INSTALLATION MAY CREATE A CONDITION W HERE THE

208/230/575 VOLT

MODELS ONLY

208/230/460 VOLT

MODELS ONLY

               

FOR YOUR SAFETY

Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance

.

         

    

  FOR YOUR SAFETY

If you smell gas:
1. Open windows.
2. Don’t touch electrical switches
3. Extinguish any open flame.
4. Immediately call your gas supplier.

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.

Summary of Contents for D3CG090

Page 1: ...ting 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 De...

Page 2: ...ication Data 3 2 Gas Heat Application Data 5 3 Pipe Sizing 5 4 Physical Data 8 5 Supply Air Blower Perf 7 1 2 10 Ton 10 6 Supply Air Blower Perf 12 1 2 Ton 11 7 Accessory Static Resistances 11 8 Blowe...

Page 3: ...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 WEIGHT IS DISTRIB...

Page 4: ...re replaced on the unit to maintain an air tight seal THERMOSTAT The room thermostat should be located on an inside wall approximately 56 above the floor where it will not be subject to drafts sun exp...

Page 5: ...ocal codes or gas company requirements Refer to Table 3 The heating value of the gas may differ with locality The value should be checked with the local gas utility NOTE There may be a local gas utili...

Page 6: ...oad Maintaining proper gas pressure depends on three main factors 1 The vaporization rate which depends on a the temperature of the liquid and b the wetted surface area of the container or containers...

Page 7: ...ing 6 gasketed screws in each side plate 4 Secure the flange on the hood cover to the duct panel with 3 screws Use holes in the cover flange as a template and drill 3 holes 9 64 dia 26 drill into the...

Page 8: ...t 7 8 9 1 10 9 13 4 OUTDOOR FAN Two Per Unit PROPELLER DIA in 24 ea 24 ea 24 ea 24 ea FAN MOTOR HP 1 2 ea 1 2 ea 1 2 ea 3 4 ea NOM CFM TOTAL 2900 ea 3200 ea 3600 ea 4400 ea CONDENSER COIL ROWS DEEP 2...

Page 9: ...R CLEARANCES Front 24 Back 12 Less Economizer 36 With Economizer Left Side Filter Access 24 Less Economizer 54 With Economizer Right Side Cond Coil 24 Below Unit1 20 Above Unit2 72 with 36 maximum Hor...

Page 10: ...9 1 54 1 44 0 04 1 75 1 63 1070 0 86 1 46 1 36 0 54 1 68 1 57 0 20 1 89 1 76 0 04 2 11 1 97 1130 1 07 1 57 1 46 0 73 1 83 1 71 0 39 2 04 1 90 0 13 2 22 2 06 1175 1 27 1 67 1 56 0 94 1 92 1 79 0 58 2 1...

Page 11: ...0 2 72 2 54 0 11 3 03 2 83 1000 1 20 2 33 2 17 0 93 2 62 2 45 0 65 2 91 2 72 0 35 3 24 3 03 0 16 4 20 3 91 1050 1 42 2 55 2 37 1 14 2 86 2 67 0 85 3 17 2 96 0 62 4 06 3 79 0 39 4 53 4 22 1090 1 63 2 7...

Page 12: ...nd resets at 300 psig 10 3 A Low Pressure Switch Loss Of Charge to protect against loss of refrigerant charge Opens at 7 psig 3 and resets at 22 psig 5 If either one of the above safety controls opens...

Page 13: ...ture indicated in Table 10 It resets automatically The limit switch operates when a high temperature condition caused by inadequate supply air flow occurs thus shutting down the ignition control and c...

Page 14: ...djusting screw on the automatic gas valve Refer to Figure 12 Adjust as follows 1 Remove the cap on the regulator It s located next to the push on electrical terminals 2 To decrease the gas pressure tu...

Page 15: ...tions 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 dot plugs from the h...

Page 16: ...dial increment find the cubic feet of gas consumed per hour from Table 12 If the actual input is not within 5 of the furnace rating with allowance being made for the permissible range of the regulato...

Page 17: ...pplied along top of the burner COMBUSTION AIR DISCHARGE Visually inspect discharge outlet periodically to make sure that the buildup of soot and dirt is not excessive If necessary clean to maintain ad...

Page 18: ...osition a The draft motor has inherent protection If the motor shell is hot to the touch wait for the internal overload to reset b If the motor shell is cold with the room thermostat calling for heat...

Page 19: ...pilot burner is aligned properly with the carryover as described in PILOT CHECKOUT b Make sure that the carryovers on adjoining burners are screwed fast and are level with respect to one another 9 Ma...

Page 20: ...10 Code SBY 530 18 N10Y Unitary Products Group P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in U S A Copyright by York International Corporation 1995 All Rig...

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