York D3CG090 Installation Instructions Manual Download

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SHU 10M 995 1.10

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

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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...