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York Sunline 2000 DM 180 Series Technical Manual Download Page 2

036-21476-002-E-0904

2

Unitary Products Group

TABLE OF CONTENTS

DESCRIPTION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1

PRODUCT NOMENCLATURE

   . . . . . . . . . . . . . . . . . . . 3

FEATURES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11

FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . .  12

FIELD-INSTALLED ACCESSORIES  . . . . . . . . . . .  14

GUIDE SPECIFICATIONS   . . . . . . . . . . . . . . . . . . .  36

LIST OF FIGURES

Fig. #

Pg. #

1

UNIT CUTAWAY  . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2

ALTITUDE/TEMPERATURE CONVERSION
FACTOR  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3

DM FIELD WIRING DIAGRAM  . . . . . . . . . . . . . . . . 30

4

UNIT DIMENSIONS & CLEARANCES 15, 20 & 25 
TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5

TYPICAL UNIT APPLICATIONS . . . . . . . . . . . . . . . 33

6

FOUR AND SIX POINT LOADS  . . . . . . . . . . . . . . . 33

7

UNIT ROOF CURB DIMENSIONS  . . . . . . . . . . . . . 34

8

ROOF CURB DUCT OPENINGS DIMENSION   . . . 35

9

CUT AWAY OF ROOF CURB . . . . . . . . . . . . . . . . . 35

10  SIMPLICITY® CONTROL WIRING DIAGRAM   . . . 35

LIST OF TABLES

Tbl. #

Pg. #

1

SOUND POWER RATING   . . . . . . . . . . . . . . . . . . . 15

2

CAPACITY RATINGS - (ARI 360) . . . . . . . . . . . . . . 15

3

GAS HEAT RATIINGS   . . . . . . . . . . . . . . . . . . . . . . 15

4

DM 180 COOLING CAPACITIES (15 TON)   . . . . . . 16

Tbl. #

Pg. #

5

DM 240 COOLING CAPACITIES (20 TON)  . . . . . .  17

6

DM 300 COOLING CAPACITIES (25 TON)  . . . . . .  18

7

ALTITUDE CORRECTION FACTORS . . . . . . . . . .  19

8

SUPPLY AIR BLOWER PERFORMANCE (15 TON) - 
COOLING ONLY 180 MBH - BOTTOM DUCT 
CONNECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  21

9

SUPPLY AIR BLOWER PERFORMANCE (20 TON) - 
COOLING ONLY 240 MBH - BOTTOM DUCT 
CONNECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  22

10 SUPPLY AIR BLOWER PERFORMANCE (15 TON) - 

GAS HEAT 180 MBH - BOTTOM DUCT 
CONNECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  23

11 SUPPLY AIR BLOWER PERFORMANCE (20 TON) - 

GAS HEAT 240 MBH - BOTTOM DUCT 
CONNECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  24

12 SUPPLY AIR BLOWER PERFORMANCE (25 TON) - 

GAS HEAT 300 MBH - BOTTOM DUCT 
CONNECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  25

13 BLOWER MOTOR AND DRIVE DATA   . . . . . . . . .  26

14 STATIC RESISTANCES   . . . . . . . . . . . . . . . . . . . .  26

15 POWER EXHAUST PERFORMANCE  . . . . . . . . . .  26

16 DM ELECTRICAL DATA WITHOUT POWERED 

CONVENIENCE OUTLET   . . . . . . . . . . . . . . . . . . .  27

17 DM ELECTRICAL DATA WITH POWERED 

CONVENIENCE OUTLET   . . . . . . . . . . . . . . . . . . .  28

18 DM VOLTAGE LIMITATIONS   . . . . . . . . . . . . . . . .  29

19 PHYSICAL DATA  . . . . . . . . . . . . . . . . . . . . . . . . . .  29

20  ELECTRIC HEAT CORRECTION FACTORS . . . .  30

21 FOUR AND SIX POINT LOADS . . . . . . . . . . . . . . .  34

Summary of Contents for Sunline 2000 DM 180 Series

Page 1: ...lves filter driers high and low pressure loss of charge switches and freezestats Scroll compressors 25T model only Two stage heating provided by dual independent heat exchangers with aluminized steel tubes redundant gas valves spark ignition with induced draft logic Permanently lubricated motors Bottom or side air discharge configuration capability field convertible Belt Drive Blower Motor with hi...

Page 2: ...S 15 TON 16 Tbl Pg 5 DM 240 COOLING CAPACITIES 20 TON 17 6 DM 300 COOLING CAPACITIES 25 TON 18 7 ALTITUDE CORRECTION FACTORS 19 8 SUPPLY AIR BLOWER PERFORMANCE 15 TON COOLING ONLY 180 MBH BOTTOM DUCT CONNECTIONS 21 9 SUPPLY AIR BLOWER PERFORMANCE 20 TON COOLING ONLY 240 MBH BOTTOM DUCT CONNECTIONS 22 10 SUPPLY AIR BLOWER PERFORMANCE 15 TON GAS HEAT 180 MBH BOTTOM DUCT CONNECTIONS 23 11 SUPPLY AIR ...

Page 3: ...le Input Econ R Options 3 4 Gas Heat Options H Std Mtr Drive 4 Filters Single Input Econ Power Exhaust S Option 5 N24 240 MBH Output Aluminized Steel N32 320 MBH Output Aluminized Steel S24 240 MBH Stainless Steel S32 320 MBH Stainless Steel L Std Mtr Drive BAS Ready Econ No BAS Controller w 2 Pleated Filters T Options 1 5 M Std Mtr Drive BAS Ready Econ No BAS Controller Power Exhaust w 2 Pleated ...

Page 4: ...p Cond Coils Coil Guard CR CPC Controller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard CS CPC Controller DFS APS SS Drain Pan CT CPC Controller DFS APS SS Drain Pan Phase Monitor Coil Guard CU CPC Controller DFS APS SS Drain Pan Technicoat Cond Coils CV CPC Controller DFS APS SS Drain Pan Technicoat Evap Coil CW CPC Controller DFS APS SS Drain Pan Technicoat Evap and Cond Coils CX C...

Page 5: ...ll Excel 10 Controller DFS APS SS Drain Pan Technicoat Cond Coils HV Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap Coil HW Honeywell Excel 10 Controller DFS APS SS Drain Pan Technicoat Evap and Cond Coils HX Honeywell Excel 10 Controller DFS APS SS Drain Pan Phase Monitor Coil Guard Technicoat Evap and Cond Coils NA Novar ETC 3 Controller with Dirty Filter Switch Air Proving S...

Page 6: ...echnicoat Cond Coil Phase Monitor LG Simplicity Intelli Comfort Controller Technicoat Cond Coil Coil Guard LH Simplicity Intelli Comfort Controller Technicoat Cond Coil Phase Monitor Coil Guard LJ Simplicity Intelli Comfort Controller Technicoat Evap Coil LK Simplicity Intelli Comfort Controller Technicoat Evap Coil Phase Monitor LL Simplicity Intelli Comfort Controller Technicoat Evap Coil Coil G...

Page 7: ...r Door Toolless Access Panels DC CPC Controller DFS APS Coil Guard Hinged Filter Door Toolless Access Panels DD CPC Controller DFS APS Phase Monitor Coil Guard Hinged Filter Door Toolless Access Panels DE CPC Controller DFS APS Technicoat Cond Coil Hinged Filter Door Toolless Access Panels DF CPC Controller DFS APS Technicoat Cond Coil Phase Monitor Hinged Filter Door Toolless Access Panels DG CPC...

Page 8: ...ess Panels GE Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Hinged Filter Door Toolless Access Panels GF Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Phase Monitor Hinged Filter Door Toolless Access Panels GG Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Coil Guard Hinged Filter Door Toolless Access Panels GH Honeywell Excel 10 Controller DFS APS Technicoat ...

Page 9: ...t Evaporator Coil Phase Monitor Dirty Filter Switch Hinged Filter Door Toolless Access Panels UQ Technicoat Evaporator Coil Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels UR Technicoat Evaporator Coil Phase Monitor Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels US Technicoat Evaporator Condenser Coils Hinged Filter Door Toolless Access Panels UT ...

Page 10: ... Coil Phase Monitor Hinged Filter Door Toolless Access Panels XG Intelli Comfort w ModLINC Controller Technicoat Cond Coil Coil Guard Hinged Filter Door Toolless Access Panels XH Intelli Comfort w ModLINC Controller Technicoat Cond Coil Phase Monitor Coil Guard Hinged Filter Door Toolless Access XJ Intelli Comfort w ModLINC Controller Technicoat Evap Coil Hinged Filter Door Toolless Access Panels ...

Page 11: ...ithout additional assis tance Optionally the control board can be pro grammed to lockout the compressors when the outdoor air temperature is low or when free cooling is available Anti Short Cycle Protection To aid compressor life an anti short cycle delay is incorporated into the standard controls Compressor reliability is further ensured by programmable minimum run times For testing the anti shor...

Page 12: ... factory The rain hood and the back draft damper need to be assembled and installed in the field The power exhaust option can only be used on bot tom duct configurations MOTORIZED OUTDOOR AIR INTAKE DAMPER Includes a slide in plug in damper assembly with a 2 position spring return motor actuator which opens to a pre set position whenever the supply air blower is oper ating and will drive fully clo...

Page 13: ...plicity INTELLI Comfort with ModLINC control is factory installed It includes all the features of the INTELLI Comfort control with an addi tional control to translate communications from MOD BUS to the BACnet MSTP protocol Novar BAS CONTROL The Novar ETC 3 building automation system controller is factory installed Includes supply air sensor return air sensor dirty filter indicator switch and air p...

Page 14: ...lot orifices are provided for proper furnace operation at alti tudes up to 6 000 feet This accessory supplements the basic propane conversion kit SIDE DUCT FLANGES One inch flanges replace the supply and return air panels on the rear of the unit to accommodate horizontal duct connections These flanges can also be used individually for bottom supply horizontal return or horizontal supply bottom ret...

Page 15: ...iring a dBA value or sound data in any other form than sound power level ratings 2 At a distance of 10 feet from the blower TABLE 2 CAPACITY RATINGS ARI 360 1 1 Certified in accordance with the Unitary Large Equip ment certification program which is based on ARI Stan dard 340 360 MODEL MBH EER2 2 EER Energy Efficiency Ratio at full load the cooling capacity in Btu s per hour Btuh divided by the po...

Page 16: ...ONDENSER COIL 105 F 115 F TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH ENTERING DRY BULB F ENTERING DRY BULB F CFM WB F 86 83 80 77 74 71 68 86 83 80 77 74 71 68 7200 72 199 19 3 164 142 120 98 76 185 20 2 159 137 115 93 71 67 176 18 5 176 172 153 131 109 87 164 19 3 164 164 148 125 103 81 62 165 17 9 165 165 165 143 121 99 77 155 18...

Page 17: ...L TEMPERATURE OF AIR ON CONDENSER COIL 105 F 115 F TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH ENTERING DRY BULB F ENTERING DRY BULB F CFM WB F 86 83 80 77 74 71 68 86 83 80 77 74 71 68 9400 72 269 26 4 224 194 164 134 104 248 27 6 213 183 153 123 93 67 241 24 9 241 234 206 176 146 116 222 26 0 222 222 195 165 135 105 62 218 24 2 21...

Page 18: ...ATURE OF AIR ON CONDENSER COIL 105 F 115 F TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH TOTAL CAP 1 MBH POWER INPUT2 KW SENSIBLE CAPACITY1 MBH ENTERING DRY BULB F ENTERING DRY BULB F CFM WB F 86 83 80 77 74 71 68 86 83 80 77 74 71 68 12000 72 337 30 7 264 228 191 155 118 320 32 6 261 224 188 151 114 67 310 29 5 309 283 246 210 173 137 100 294 31 3 294 278 242 205 169 132 95 62 300 28 8 3...

Page 19: ... static pressure and BHP Since no temperature data is given we will assume an air temperature of 70 F Table 7 shows the correction factor to be 0 832 Corrected static pressure 1 5 x 0 832 1 248 IWC Corrected BHP 4 0 x 0 832 3 328 Example 2 A system located at 5 000 feet of elevation is to deliver 6 000 CFM at a static pressure of 1 5 Use the unit blower tables to select the blower speed and the BH...

Page 20: ...036 21476 002 E 0904 20 Unitary Products Group FIGURE 2 ALTITUDE TEMPERATURE CONVERSION FACTOR ...

Page 21: ...0 9 5 2 4 7 0 7 5 7 5 1 208 VOLT AND HIGH SPEED DRIVE 965 6 0 1 2 2 9 2 6 1 0 3 6 3 2 0 8 4 0 3 6 0 5 4 7 4 2 0 4 5 0 4 4 980 5 5 1 3 3 0 2 7 1 1 3 7 3 3 0 9 4 1 3 7 0 6 4 8 4 3 0 5 5 1 4 6 1025 4 5 1 5 3 2 2 9 1 3 3 9 3 5 1 1 4 5 4 0 0 8 5 1 4 6 0 7 5 6 5 0 1065 3 5 1 6 3 4 3 0 1 4 4 0 3 6 1 2 4 7 4 2 1 0 5 5 4 9 1095 3 0 1 7 3 5 3 1 1 5 4 2 3 8 1 3 4 9 4 4 1 2 5 7 5 1 1130 2 0 1 9 3 7 3 3 1 7 4 ...

Page 22: ... 2 6 3 5 3 0 7 6 9 5 8 0 2 7 3 6 1 1010 4 0 1 8 5 8 4 9 1 7 6 3 5 3 1 5 6 9 5 8 1 0 7 5 6 3 0 5 7 9 6 7 1020 3 5 1 9 6 1 5 1 1 8 6 5 5 5 1 6 7 1 6 0 1 1 7 8 6 6 0 6 8 3 7 0 1035 3 0 2 0 6 2 5 2 1 9 6 8 5 7 1 7 7 4 6 2 1 2 8 1 6 8 0 7 8 6 7 3 1050 2 5 2 1 6 4 5 4 2 0 7 0 5 9 1 8 7 6 6 4 1 3 8 3 7 0 1075 2 0 2 3 6 6 5 5 2 1 7 2 6 0 1 9 7 8 6 6 1 5 8 6 7 2 1100 1 0 2 4 6 7 5 6 2 2 7 3 6 1 2 1 7 9 6 7...

Page 23: ...3 4 1 0 4 4 3 9 0 8 5 0 4 5 0 6 5 6 5 0 208 VOLT AND HIGH SPEED DRIVE 965 6 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 5 5 1 3 2 9 2 6 1 0 3 4 3 0 0 7 3 8 3 4 0 5 4 5 4 0 0 3 5 1 4 6 1025 4 5 1 4 3 1 2 8 1 2 3 6 3 2 0 9 4 1 3 7 0 7 4 8 4 3 0 4 5 5 4 9 1065 3 5 1 6 3 4 3 0 1 4 3 9 3 5 1 1 4 5 4 0 0 9 5 1 4 6 1125 2 0 1 9 3 6 3 2 1 7 4 4 3 9 1 4 5 0 4 5 1 2 5 8 5 2 1170 1 0 2 ...

Page 24: ... 5 0 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 4 5 2 1 4 5 3 9 1 6 5 5 4 7 1 1 6 4 5 4 0 5 7 5 6 3 0 2 8 6 7 3 1025 3 5 2 3 4 9 4 1 1 8 5 8 4 9 1 3 6 7 5 7 0 7 8 0 6 7 1050 2 5 2 5 5 1 4 3 2 0 6 1 5 1 1 4 7 1 6 0 0 9 8 4 7 0 1065 2 0 2 6 5 3 4 4 2 1 6 3 5 3 1 5 7 3 6 2 1 0 8 6 7 2 1100 1 0 2 9 5 6 4 7 2 3 6 8 5 7 1 8 7 9 6 6 230 460 575 VOLT AND STANDARD DRIVE 870 6 0 1 3 3 6...

Page 25: ...7 0 3 13 7 11 2 1215 4 0 2 7 8 6 7 0 2 1 10 4 8 5 1 4 12 3 10 1 0 6 14 3 11 7 1255 3 0 3 0 9 1 7 4 2 4 11 0 9 0 1 7 12 9 10 6 0 9 15 0 12 3 1290 2 0 3 2 9 5 7 8 2 7 11 5 9 4 2 0 13 5 11 1 1 2 15 6 12 8 1330 1 0 3 5 10 0 8 2 3 0 12 0 9 9 2 3 14 1 11 6 1 5 16 4 13 4 1365 0 0 3 7 10 5 8 6 3 2 12 6 10 3 2 6 14 7 12 1 1 8 17 0 13 9 230 460 575 VOLT AND STANDARD DRIVE 975 6 0 1 4 5 9 4 9 1 0 7 3 6 0 0 5...

Page 26: ...BLE 14 STATIC RESISTANCES1 DESCRIPTION RESISTANCE IWG CFM 15 TON 20 TON 25 TON 4500 6000 7200 6000 8000 9400 7500 10000 12500 WET INDOOR COIL 0 1 0 1 0 1 0 1 0 1 0 1 0 11 0 11 0 11 ELECTRIC HEAT OPTIONS 18 KW 0 1 0 1 0 1 0 1 0 1 0 1 0 31 0 56 0 87 36 KW 0 1 0 2 0 3 0 1 0 2 0 3 0 38 0 68 1 07 54 KW 0 2 0 3 0 4 0 2 0 3 0 4 0 62 1 10 1 72 72 KW 0 2 0 4 0 6 0 2 0 4 0 6 0 68 1 21 1 90 ECONOMIZER OPTION...

Page 27: ...0 None 0 0 110 3 125 E18 13 5 1 37 5 110 3 125 E36 27 0 2 75 1 118 2 125 E54 40 6 2 112 6 165 4 175 E72 54 1 2 150 1 174 7 200 230 19 2 124 4 3 19 6 0 0 None 0 0 109 9 125 E18 18 0 1 43 3 109 9 125 E36 36 0 2 86 6 132 8 150 E54 54 0 2 129 9 154 4 175 E72 72 0 2 173 2 197 7 225 460 9 6 62 2 2 9 8 0 0 None 0 0 55 1 60 E18 18 0 1 21 7 55 1 60 E36 36 0 2 43 3 66 4 70 E54 54 0 2 65 0 77 2 90 E72 72 0 2...

Page 28: ... None 0 0 120 3 125 E18 13 5 1 37 5 120 3 125 E36 27 0 2 75 1 130 7 150 E54 40 6 2 112 6 177 9 200 E72 54 1 2 150 1 187 2 200 230 19 2 124 4 3 19 6 10 0 None 0 0 119 9 125 E18 18 0 1 43 3 119 9 125 E36 36 0 2 86 6 145 3 150 E54 54 0 2 129 9 166 9 175 E72 72 0 2 173 2 210 2 225 460 9 6 62 2 2 9 8 5 0 None 0 0 60 1 70 E18 18 0 1 21 7 60 1 70 E36 36 0 2 43 3 72 6 80 E54 54 0 2 65 0 83 5 90 E72 72 0 2...

Page 29: ...15 FACE AREA Sq Ft 36 43 3 43 3 COMPRESSOR Qty Per Unit 5 TON HERMETIC RECIP 1 10 TON TANDEM RECIP 11 2 12 5 TON TANDEM SCROLL 2 FILTERS QUANTITY PER UNIT 12 X 24 X 2 or 4 12 QUANTITY PER UNIT 16 X 20 X 2 or 4 4 QUANTITY PER UNIT 16 X 25 X 2 or 4 4 QUANTITY PER UNIT 18 X 24 X 2 or 4 5 TOTAL FACE AREA Sq Ft 15 20 24 CHARGE REFRIGERANT 22 Lb Oz SYSTEM No 1 17 8 18 0 20 8 SYSTEM No 2 8 8 18 0 23 8 OP...

Page 30: ...vide a relay output to close the outdoor economizer dampers when the thermostat switches to the set back position NOTE Fans switch must be in ON position for minimum ventilation during heater operation LINE VOLTAGE TERMINAL BLOCK 2TB IN CONTROL BOX GROUND LUG Refer to the ELECTRICAL DATA tables to size the power wiring the fuses and the disconnect switch 24 VOLT TRANSFORMER COOLING HEATING 24 VOLT...

Page 31: ...ASE WITH RAILS Shown separately to illustrate Bottom Duct openings Power and Gas Piping Connection locations 12 1 2 9 1 4 8 1 8 9 3 4 3 3 4 B POWER WIRING ENTRY A CONTROL WIRING ENTRY 92 CONDENSER COILS OPTIONAL COIL GUARD KIT COMPRESSOR ACCESS See detail X ECONOMIZER MOTORIZED DAMPER FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS See detail Y FIELD SUPPLIED DISCONNECT SWITCH LOCATION BLOWE...

Page 32: ...h sheet metal cov ers except when the unit includes a power exhaust option The covering consists of a heavy black paper composition 3 Replace the side supply and return air compart ment panels For side duct applications 1 Replace the side panels on the supply and return air compartments with the accessory flange kit panels 2 Connect ductwork to the duct flanges on the rear of the unit S U P P L Y ...

Page 33: ...036 21476 002 E 0904 Unitary Products Group 33 FIGURE 5 TYPICAL UNIT APPLICATIONS FIGURE 6 FOUR AND SIX POINT LOADS A D C B F R O N T A E D B C F F R O N T ...

Page 34: ...418 438 533 628 603 510 180 Elec 2100 320 335 358 380 364 343 240 Elec 2300 307 322 392 462 442 375 300 Elec 2890 415 471 528 551 492 433 FIGURE 7 UNIT ROOF CURB DIMENSIONS SUPPLY AIR BACK OF UNIT RETURN AIR DUCT SUPPORT RAILS MIN ROOF OPENING 39 7 8 WIDE X 61 7 8 Long OUTDOOR COIL END OF UNIT 4 33 1 8 2 22 3 4 4 4 84 35 7 8 14 1 4 15 Ton 25 1 4 20 25 Ton 115 5 16 15 Ton 126 1 4 20 25 Ton 2 Supply...

Page 35: ...B FIGURE 10 Simplicity CONTROL WIRING DIAGRAM W1 W2 Y1 G OCC P P1 Y2 X R SD C C SD SD R OCC C RC G Y2 Y1 W2 W1 Jumper Smoke Detector 24 VAC Class 2 X R THERMOSTAT TERMINALS CONTROL TERMINAL BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 1 2 4 Second stage heating not required on single stage heating units Second stage cooling not required on single stage cooling units Jumper is requi...

Page 36: ...le duct connections for down discharge supply return or horizontal discharge supply return and be available with factory installed options or field installed accessories The units shall be factory wired piped charged with R 22 refrigerant and factory tested prior to ship ment All unit wiring shall be both numbered and color coded All units shall be manufactured in a facility certified to ISO 9001 ...

Page 37: ... board shall retain last 5 fault codes in non volatile memory which will not be lost in the event of a power loss GAS HEATING SECTION DM N MODELS Shall be designed with induced draft combustion with post purge logic and energy saving direct spark ignition redun dant main gas valve Ventor wheel shall be constructed of stainless steel for corrosion resistance The heat exchanger shall be of the tubul...

Page 38: ...ed posi tions regardless of the outdoor air enthalpy Dampers return to the fully closed position when the indoor fan motor is de energized Dampers shall fully close on power loss OTHER PRE ENGINEERED ACCESSORIES AVAILABLE ROOF CURB 14 high full perimeter curb with wood nailer shipped knocked down 100 BAROMETRIC RELIEF DAMPER Contains a rain hood air inlet screen exhaust damper and mount ing hardwa...

Page 39: ...036 21476 002 E 0904 Unitary Products Group 39 ...

Page 40: ...ct to change without notice Printed in U S A 036 21476 002 E 0904 Copyright 2004 by Unitary Products All rights reserved Supersedes 036 21476 002 D 0504 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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