York D2EG 048 Table Of Contents, Maintenance & Troubleshooting, Installation, Operation, Start-Up

		035-14832-003-A-0204
	TABLE OF CONTENTS
General	1	MAINTENANCE & TROUBLESHOOTING
Inspection	1	Normal Maintenance	17
Reference	1
		Cleaning Flue Passages and Heating Elements	17
Approvals	1
		Troubleshooting	18 & 19
Nomenclature	2

INSTALLATION
Limitations	3
Location	3
Rigging and Handling	3
Clearances	3
Ductwork	3
Filters	4
Condensate Drain	4
Service Access	4
Thermostat	4
Power and Control Wiring	4
Blower Speed Selection	4
Compressors	4
Combustion Discharge	4
Disconnect Switch Bracket For Optional Belt-Drive	5
Gas Piping	5
Gas Connection	6
L.P. Units, Tanks and Piping	6
Low NOx Application	6
Vent and Combustion Air Hoods	7
Optional Economizer Rain Hood	7
OPERATION
Cooling System	13
Preliminary Operation Cooling	13
Cooling Sequence of Operation	13
Safety Controls (Cooling)	13
Heating Sequence of Operation	13
Safety Controls (Heating)	14
Heat Anticipator Setpoints	14
Pre-Start Check List	14
START-UP
Operating Instructions	14
Post-Start Check List (Gas)	14
Manifold Gas Pressure Adjustment	14
Pilot Checkout	15
Burner Instructions	15
Burner Air Shutter Adjustment	15
Supply Air Blower and Temperature Rise Adj	15
Supply Air Blower and Temperature Rise Adj	15&16
Checking Gas Input	16
Secure Owner's Approval	16

	TABLES
No.	Description	Page
1	Unit Application Data	3
2	Gas Heat Application Data	4
3	Pipe Sizing	5
4	Physical Data	8
5	Supply Air Perf. Direct-Drive Units	8
6	Supply Air Perf.3 & 4Ton Belt-Drive Units ..	9
7	Supply Air Perf.5 Ton Belt-Drive Units	10
8	Static Resistances	11
9	Motor & Drive Data	11
10	Electrical Data (Direct-Drive Units)	11
11	Electrical Data (Belt-Drive Units)	11
12	Limit Control Setting	14
13	Belt-Drive Supply Air Motor Pulley Adj	15
14	Gas Rate - Cubic Feet Per Hour	16
	FIGURES
No.	Description	Page
1	Center of Gravity	3
2	Recommended Drain Piping	4
3	Typical Field Wiring	5
4	External Supply Connection	6
5	Bottom Supply Connection	6
6	Vent and Combustion Air Hoods	7
7	Economizer Rain Hood Assembly	7
8	Enthalpy Setpoint Adjustment	8
9	Dimensions and Clearances	12
10	Gas Valve Piping	13
11	Typical Gas Valve	14
12	Proper Flame Adjustment	15
13	Typical Flame Appearance	15
14	Belt Adjustment	15
15	Press. Drop versus Supply Air CFM	16

D

PRODUCT CATEGORY

D = Single Package Air Conditioner (Air Cooled)

PRODUCT GENERATION

2 = 2nd Generation

3 = 3rd Generation

PRODUCT IDENTIFIER

EG = High Efficiency Gas/Electric

2

PRODUCT NOMENCLATURE

2 E G 0 3 6 N 0 4 0 2 5

	FACTORY INSTALLED HEAT
NOMINAL COOLING
CAPACITY
	N = Natural Gas
036 = 3 Ton
048 = 4 Ton
060 = 5 Ton

VOLTAGE CODE

06 = 208/230-1-60

25 = 208/230-3-60

46 = 460-3-60

58 = 575-3-60

NOMINAL GAS HEATING

OUTPUT CAPACITY

040 = 40 MBH

060 = 60 MBH

079 = 79 MBH

099 = 99 MBH

Unitary Products Group