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167791-BIM-B-0606

Unitary Products Group

11

6.

Maintain level tolerance to 1/2” across the entire width 
and length of unit.

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. Spreader bars, whose length
exceeds the largest dimension across the unit, 

MUST

 be

used across the top of the unit.  

Units may be moved or lifted with a forklift.  Slotted openings
in the base rails are provided for this purpose.

LENGTH OF FORKS MUST BE A MINIMUM OF 60
INCHES. 

Excessive exposure of this furnace to contaminated
combustion air may result in equipment damage or
personal injury. Typical contaminates include: per-
manent wave solution, chlorinated waxes and clean-
ers, chlorine based swimming pool chemicals, water
softening chemicals, carbon tetrachloride, Halogen
type refrigerants, cleaning solvents (e.g. perchloro-
ethylene), printing inks, paint removers, varnishes,
hydrochloric acid, cements and glues, antistatic fab-
ric softeners for clothes dryers, masonry acid wash-
ing materials.

If a unit is to be installed on a roof curb other than a
UPG roof curb, gasketing must be applied to all sur-
faces that come in contact with the unit underside.

Before lifting, make sure the unit weight is distrib-
uted equally on the rigging cables so it will lift evenly.

All panels must be secured in place when the unit is
lifted.

The condenser coils should be protected from rig-
ging cable damage with plywood or other suitable
material.

FIGURE 5 -  UNIT 4 POINT LOAD

TABLE 3: UNIT WEIGHTS

Model

Shipping Weight

1

 (lb.)

1.

54 kW heater.

Operating Weight

1 

(lb.)

DL-06

1056

1041

DL-07

865

860

DL-08

880

875

DL-10

1131

1116

DL-12

1210

1195

DU-06

888

883

DU-07

895

890

DU-08

905

900

DU-10

1222

1207

DU-12

1212

1197

w/Econ.

85

84

w/ PE

150

148

w/Elec. Heat

49

49

w/Gas Heat

2

2.

8 Tube Heat Exchanger.

110

110

TABLE 4: 4 POINT LOAD WEIGHT 

Model

Location (lbs.)

1

1.

Weights include largest gas heat option.

A

B

C

D

DL-06

228

195

285

333

DL-07

192

143

224

301

DL-08

195

146

228

306

DL-10

245

209

305

357

DL-12

262

224

327

382

DU-06

197

147

230

309

DU-07

199

148

232

311

DU-08

201

150

234

315

DU-10

265

226

330

386

DU-12

263

224

327

383

D

A

C

B

L E F T

F R O N T

Содержание DL-06

Страница 1: ...complete Table of Contents NOTES CAUTIONS AND WARNINGS The installer should pay particular attention to the words NOTE CAUTION and WARNING Notes are intended to clarify or make the installation easier...

Страница 2: ...NOMIZER WITH DUAL ENTHALPY SENSORS 61 ECONOMIZER WITH POWER EXHAUST 61 MOTORIZED OUTDOOR AIR DAMPERS 61 COOLING OPERATION ERRORS 61 HIGH PRESSURE LIMIT SWITCH 61 LOW PRESSURE LIMIT SWITCH 61 FREEZESTA...

Страница 3: ...TA DL 06 6 1 2 TON STANDARD EFFICIENCY W O PWRD CONV OUTLET 20 10 ELECTRICAL DATA DL 06 6 1 2 TON STANDARD EFFICIENCY W PWRD CONV OUTLET 20 11 ELECTRICAL DATA DU 06 6 1 2 TON HIGH EFFICIENCY W O PWRD...

Страница 4: ...49 52 DL DU 07 7 1 2 TON OPTIONAL SIDE SHOT BLOWER PERFORMANCE 50 53 DL DU 08 8 1 2 TON STANDARD MOTOR SIDE SHOT BLOWER PERFORMANCE 51 54 DL DU 08 8 1 2 TON OPTIONAL DRIVE SIDE SHOT BLOWER PERFORMANCE...

Страница 5: ...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 Should overheating occur...

Страница 6: ...only unit cooling unit with supple mental electric heat or a forced air furnace 2 For outdoor installation only 3 For installation on combustible material and may be installed directly on combustible...

Страница 7: ...0 W 460 3 60 X 575 3 60 Product Style A Style A B Style B A No Options Installed Installation Options B Option 1 C Option 2 D Options 1 2 E Option 3 F Option 4 G Options 1 3 H Options 1 4 J Options 1...

Страница 8: ...ng plate specified on Page 68 of these instructions 5 This equipment is not to be used for temporary heating of buildings or structures under construction PRECEDING INSTALLATION 1 Remove the two screw...

Страница 9: ...r proposed installation should be based on heat loss heat gain calculation made according to the methods of Air Conditioning Contractors of America ACCA This furnace is not to be used for temporary he...

Страница 10: ...Optional Disconnect Switch Filter Access 2 Filters Filter Drier Solid Core Condenser Section Two stage gas heat ing to maintain warm comfortable temperature Intelligent control board for safe and effi...

Страница 11: ...id cements and glues antistatic fab ric softeners for clothes dryers masonry acid wash ing materials If a unit is to be installed on a roof curb other than a UPG roof curb gasketing must be applied to...

Страница 12: ...X Y DL 06 47 1 2 25 1 2 DL 07 38 23 DL 08 38 23 DL 10 47 1 2 25 1 2 DL 12 47 1 2 25 1 2 DU 06 38 23 DU 07 38 23 DU 08 38 23 DU 10 47 1 2 25 1 2 DU 12 47 1 2 25 1 2 D A C B E F L E F T F R O N T X Y L...

Страница 13: ...7 8 Power Entry 2 1 2 LEFT FRONT For Drain Dimensions See Detail C 11 1 2 X TABLE 6 UNIT HEIGHT Unit Model Number X DL 06 50 3 4 DL 07 42 DL 08 42 DL 10 50 3 4 DL 12 50 3 4 DU 06 42 DU 07 42 DU 08 42...

Страница 14: ...6 3 8 18 1 16 19 5 8 63 1 2 27 1 2 18 24 21 12 5 16 LEFT FRONT Bottom Condensate Drain Bottom Power Control and Convenience Outlet Wiring Entries Bottom Gas Supply Entry FIGURE 10 REAR DUCT DIMENSIONS...

Страница 15: ...cover changes are necessary For side duct application remove the side duct covers and install over the bottom duct openings The panels removed from the side duct connections are designed to be reused...

Страница 16: ...th each unit One inch filters may be used with no modification to the filter racks Filters must always be installed ahead of evaporator coil and must be kept clean or replaced with same size and type...

Страница 17: ...uge as the replaced wire A disconnect must be utilized for these units Factory installed disconnects are available If installing a disconnect field supplied or UPG supplied accessory refer to Figure 4...

Страница 18: ...0 0 2 4 i n c l u d e s s u b b a s e 2 T e r m i n a l s A 1 a n d A 2 p r o v i d e a r e l a y o u t p u t t o c l o s e t h e o u t d o o r e c o n o m i z e r d a m p e r s w h e n t h e t h e r...

Страница 19: ...NIT WITH WITHOUT ELECTRIC HEAT TERMINAL BLOCK TB1 FACTORY OR FIELD SUPPLIED DISCONNECT GROUND LUG THREE PHASE POWER SUPPLY FIGURE 20 FIELD WIRING DISCONNECT COOLING UNIT WITH GAS HEAT L1 T1 L2 T2 T3 L...

Страница 20: ...A Actual KW Heater Amps Min Circuit Ampacity Amps MCA w Power Exhaust Amps Supply Blower Motor FLA Pwr Exh Motor Pwr Conv Outlet Electric Heater Model No Voltage Compressors OD Fan Motors 208 230 RLA...

Страница 21: ...A FLA Actual KW Heater Amps Min Circuit Ampacity Amps MCA w Power Exhaust Amps Supply Blower Motor FLA Pwr Exh Motor Pwr Conv Outlet Electric Heater Model No Voltage Compressors OD Fan Motors RLA LRA...

Страница 22: ...W Heater Amps Min Circuit Ampacity Amps MCA w Power Exhaust Amps 2 HP 3 HP Supply Blower Motor FLA Pwr Exh Motor Pwr Conv Outlet Electric Heater Model No 2 HP 3 HP Voltage Compressors OD Fan Motors RL...

Страница 23: ...city Amps MCA w Power Exhaust Amps 2 HP 3 HP 10 9 5 5 10 9 5 5 3 HP 2 HP 3 HP 2 HP 3 HP 8 2 4 1 208 230 460 14 1 14 1 7 1 575 110 0 1 5 110 0 1 5 54 0 0 8 0 6 44 0 5 8 0 0 1 8 4 1 3 6 2 HP 3 HP RLA LR...

Страница 24: ...Amps 3 HP 3 HP FLA FLA 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 208 11 7 88 0 460 6 4 42 0 230 11 7 88 0 3 5 10 9 10 9 5 5 3 5 5 3 5 3 2 2 0 0 10 9 10 9 5 5 0 0 0 0 575 5 1 36 0 1 3 4 1 4 1 1 8 0 0 1...

Страница 25: ...s 3 HP 3 HP FLA FLA 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 3 HP 208 11 7 88 0 460 6 4 42 0 230 11 7 88 0 3 5 10 9 10 9 5 5 3 5 5 3 5 3 2 2 0 0 10 9 10 9 5 5 0 0 0 0 575 5 1 36 0 1 3 4 1 4 1 1 8 0 0 1 6 RL...

Страница 26: ...ize Amps Max Fuse Size w Power Exhaust Amps FLA Pwr Conv Outlet Heater Amps Min Circuit Ampacity Amps FLA 208 16 3 150 0 3 5 230 460 575 Voltage Compressors OD Fan Motors Supply Blower Motor FLA RLA L...

Страница 27: ...s Max Fuse Size w Power Exhaust Amps FLA Pwr Conv Outlet Heater Amps Min Circuit Ampacity Amps FLA 208 16 0 137 0 3 5 230 460 575 Voltage Compressors OD Fan Motors Supply Blower Motor FLA 54 RLA LRA F...

Страница 28: ...0 1 42 7 46 2 45 5 49 45 50 50 50 2TP04523646 34 42 7 57 7 61 2 60 5 64 60 70 70 70 2TP04525446 54 67 8 71 6 75 1 74 3 77 8 80 90 80 90 None 21 8 23 7 23 6 25 5 25 30 30 30 2TP04521858 18 18 1 26 8 29...

Страница 29: ...mps Max Fuse Size w Power Exhaust Amps FLA Pwr Conv Outlet Heater Amps Min Circuit Ampacity Amps FLA 208 18 9 146 0 3 5 230 460 575 Voltage Compressors OD Fan Motors Supply Blower Motor FLA 54 RLA LRA...

Страница 30: ...croll Air Filters Size Wd X Ht x Thickness in 25x20x2 25x16x2 25x16x2 25x20x2 25x20x2 Number Per Unit 4 4 4 4 4 TABLE 30 DU PHYSICAL DATA Component Models 06 07 08 10 12 Evaporator Blower Blower Centr...

Страница 31: ...irements Refer to the Pipe Sizing Table 33 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 utility requiremen...

Страница 32: ...dmitting normal gas pressure to the mains Check all joints for leaks with soap solution or other material suitable for the purpose NEVER USE A FLAME TABLE 33 GAS PIPE SIZING CAPACITY OF PIPE Length of...

Страница 33: ...aters are available as factory installed options or field installed accessories Refer to electric heat instructions for installation These heaters mount in the heat compartment with the heating elemen...

Страница 34: ...t adjusting screw fully clockwise past the D setting POWER EXHAUST DAMPER SET POINT WITH OR WITH OUT POWER EXHAUST With no power exhaust option adjust the Exhaust Air Adjustment Screw fully clockwise...

Страница 35: ...C C B B A A CONTROL CURVE CONTROL POINT APPROX 0 F 0 C AT 50 RH A D C B 63 17 73 23 70 21 67 19 FIGURE 24 HONEYWELL ECONOMIZER CONTROL W7212 N1 N P1 P EXH Set EXH Min Pos IAQ Max IAQ IAQ Min Free Cool...

Страница 36: ...o oper ate correctly Units are properly phased at the fac tory Do not change the internal wiring to make the blower condenser fans or compressor rotate cor rectly TABLE 34 SUPPLY AIR LIMITATIONS Unit...

Страница 37: ...of the variable pitch motor sheave where 0 Turns Open is fully closed 5 W Watts TABLE 36 DL 06 6 1 2 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE1 2 ESP3 TURNS OPEN4 0 1 2 3 4 5 CFM W5 BHP CFM W5 B...

Страница 38: ...H VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7XU...

Страница 39: ...360 1 5 2051 1120 1170 1 2 1715 1069 950 1 0 1 2 2493 1273 1700 1 8 2228 1225 1420 1 5 1916 1176 1160 1 2 1323 1126 880 0 9 1 4 2284 1278 1520 1 6 1690 1231 1170 1 3 2 Blower performance includes two...

Страница 40: ...RU WKH VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHU...

Страница 41: ...2558 1209 1602 1 7 2259 1155 1318 1 4 1954 1101 1095 1 2 1 2 2799 1315 1977 2 1 2458 1264 1675 1 8 2223 1212 1408 1 5 1780 1159 1084 1 2 1 4 2401 1320 1775 1 9 2098 1269 1487 1 6 1 6 1940 1325 1514 1...

Страница 42: ...0 2558 1209 1602 1 7 2259 1155 1318 1 4 1954 1101 1095 1 2 1 2 2799 1315 1977 2 1 2458 1264 1675 1 8 2223 1212 1408 1 5 1780 1159 1084 1 2 1 4 2401 1320 1775 1 9 2098 1269 1487 1 6 1 6 1940 1325 1514...

Страница 43: ...1088 1110 1 2 1 2 2935 1367 2290 2 5 2685 1317 2000 2 1 2462 1261 1630 1 7 2160 1206 1380 1 5 1729 1151 1040 1 1 1 4 2615 1371 2150 2 3 2409 1319 1690 1 8 2106 1265 1470 1 6 1407 1213 1000 1 0 1 6 229...

Страница 44: ...lly closed 5 W Watts TABLE 44 DL DU 10 10 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE1 2 ESP3 TURNS OPEN4 0 1 2 3 4 5 CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP 0 4 4965 348...

Страница 45: ...RMANCE1 2 ESP3 TURNS OPEN4 0 1 2 3 4 5 CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP 0 4 5994 5400 5 79 5565 4369 4 69 5488 4169 4 47 5264 3599 3 86 4990 3085 3 31 4738 2812 3 02 0...

Страница 46: ...s to the setting of the variable pitch motor sheave where 0 Turns Open is fully closed 5 W Watts TABLE 48 DL 06 6 1 2 TON OPTIONAL MOTOR SIDE SHOT BLOWER PERFORMANCE1 2 ESP3 TURNS OPEN4 0 1 2 3 4 5 CF...

Страница 47: ...1 0 1542 947 760 0 8 1 2 2300 1126 1340 1 4 2070 1083 1160 1 2 1702 1040 950 1 0 1 4 1918 1131 1180 1 3 2 Blower performance includes two inch throwaway filters 3 ESP External Static Pressure given is...

Страница 48: ...VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7XUQ...

Страница 49: ...WKH VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7...

Страница 50: ...VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7XUQ...

Страница 51: ...WKH VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7...

Страница 52: ...WKH VXSSO DQG UHWXUQ DLU GXFW V VWHP OO LQWHUQDO UHVLVWDQFHV KDYH EHHQ GHGXFWHG IURP WKH WRWDO VWDWLF SUHVVXUH RI WKH EORZHU 7XUQV 2SHQ UHIHUV WR WKH VHWWLQJ RI WKH YDULDEOH SLWFK PRWRU VKHDYH ZKHUH 7...

Страница 53: ...W Watts TABLE 56 DL DU 10 10 TON OPTIONAL MOTOR SIDE SHOT BLOWER PERFORMANCE1 2 ESP3 TURNS OPEN4 0 1 2 3 4 5 CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP 0 2 5067 2614 2 80 4809...

Страница 54: ...BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP CFM W5 BHP 0 4 6447 5315 5 70 6207 4760 5 1046 5966 4205 4 51 5717 3716 3 98 5470 3307 3 55 0 6 6110 4917 5 27 5965 4464 4 79 5740 4023 4 31 5430 3501 3 75 5126 30...

Страница 55: ...1VM50 6 0 1 AK64 A49 DU 07 2 1725 80 1 15 56 3 4 4 4 7 8 1VM50 6 5 1 AK69 A49 3 1725 80 1 15 56 3 4 4 4 7 8 1VM50 6 0 1 AK64 A49 DL 08 3 1725 80 1 15 56 3 4 4 4 7 8 1VM50 6 0 1 AK64 A49 3 1725 80 1 15...

Страница 56: ...ed CFM see SUP PLY AIR DRIVE ADJUSTMENT 6 After readings have been obtained remove the tubes and replace the dot plugs METHOD TWO 1 Drill two 5 16 inch holes one in the return air duct as close to the...

Страница 57: ...ts Group 57 FIGURE 26 DRY COIL DELTA P 50 CABINET 8 DELQHW QGRRU RLO 3UHVVXUH URS YV LUIORZ LUIORZ 0 3 D W O H O L R U 8 8 FIGURE 27 DRY COIL DELTA P 42 CABINET 2 5 6 9 3 2 5 5 8 6 6 5 3 2 5 2 2 1 7 1...

Страница 58: ...the required DD for the new motor sheave 4 000 CFM 3 800 CFM Use Table 63 to locate the DD nearest to 4 21 in Close the sheave to 1 turn open New BHP Speed increase 3 BHP at 3 800 CFM Speed increase 3...

Страница 59: ...rom the available external static pressure shown in the respective Blower Performance Table 3 The pressure drop through the economizer is greater for 100 outdoor air than for 100 return air If the res...

Страница 60: ...energized In free cooling mode if the call for the second stage of cooling continues for 20 minutes compres sor 2 is energized provided it has not been locked out If there is an initial call for both...

Страница 61: ...r the 30 second monitoring phase the UCB will de energize the associated compressor initiate the ASCD and if the other compressor is idle stop the condenser fans Once the low pressure switch has been...

Страница 62: ...r relay RA will be energized After completing the specified fan on delay for heating the UCB will energize the blower motor If the second stage of heat is required heater relay RB will be energized Af...

Страница 63: ...e the GV is opened and the spark ignitor is energized for 10 seconds The ICB then checks for the presence of flame If flame is detected the ICB enters a flame stabiliza tion period If flame was not de...

Страница 64: ...operate the furnace until voltage is no longer sensed at the GV The draft motor is stopped when voltage is not sensed at the GV Any time the UCB senses voltage at the GV without a call for heat for a...

Страница 65: ...anticipator setpoint be correct Too high of a setting will result in longer heat cycles and a greater temperature swing in the conditioned space Reducing the value below the correct setpoint will giv...

Страница 66: ...urn OFF all electric power to unit 3 Open gas heat access panel 4 Turn gas valve clockwise to OFF position See Figure 29 MANIFOLD GAS PRESSURE ADJUSTMENT This gas furnace has two heat stages Therefore...

Страница 67: ...Steps 1 5 To determine the rate of gas flow First Stage 1 Turn off all other gas appliances connected to the gas meter 2 Turn on the furnace and make sure the thermostat is calling for first stage 60...

Страница 68: ...t heat Increase the blower CFM to decrease the temperature rise decrease the blower CFM to increase the rise See SUPPLY AIR DRIVE ADJUSTMENT NOTE Each gas heat exchanger size has a minimum allowable C...

Страница 69: ...9 22 1 24 2 26 4 90 6 2 8 0 9 8 11 6 13 4 15 3 17 8 20 4 23 0 25 5 95 5 6 7 4 9 2 11 0 12 8 15 8 18 7 21 7 24 6 100 5 1 6 5 7 8 9 2 10 5 13 2 16 0 18 7 21 4 105 5 6 6 5 7 4 8 3 10 7 13 2 15 7 18 2 11...

Страница 70: ...22 7 95 7 1 9 4 11 7 14 0 16 3 18 7 21 0 100 5 3 7 0 8 8 11 0 13 2 15 5 17 7 105 5 8 8 0 10 1 12 3 14 4 110 7 0 9 1 11 1 115 5 9 7 8 TABLE 74 DL 10 10 TON STANDARD EFFICIENCY SUPERHEAT CHARGING Outdo...

Страница 71: ...13 6 15 5 17 4 19 2 21 1 23 0 24 8 26 7 28 6 105 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 110 4 8 6 5 8 2 9 8 11 5 13 2 14 8 16 5 18 2 19 8 21 5 115 3 7 5 0 6 3 7 7 9 0 10 3 11 7 13 0 14...

Страница 72: ...3 3 70 27 5 29 0 30 5 32 0 33 5 35 0 36 5 37 4 38 4 39 3 40 3 75 25 1 26 7 28 2 29 7 31 2 32 7 34 2 35 0 35 7 36 5 37 2 80 22 8 24 3 25 8 27 3 28 9 30 4 31 9 32 5 33 1 33 6 34 2 85 20 4 21 9 23 4 25 0...

Страница 73: ...con nected to the unit Use extreme care when working with live circuits Check the unit name plate for the correct line voltage and set the voltme ter to the correct range before making any connection...

Страница 74: ...ch Failed To Close Venter Pressure Switch Vent Blocked 4 Limit Switch Open Main Limit AUX Limit 5 Flame Present With Gas Off First Stage Gas Valve Energized With W1 Off Second Stage Gas Valve Energize...

Страница 75: ...g Yes Yes Loss of Call for Heating Loss of Call for Cooling Heat Off Cool Off Yes Yes No Call for ID Blower Fan off 10 secs Energize ID Blower Motor Yes Yes No Programming Program Unit Control Board T...

Страница 76: ...a g a l a r m C a l l f o r H e a t w o u t G V v o l t a g e N o v o l t a g e 5 m i n F l a g A l a r m F O S i n p u t r e g a i n e d I n c r e a s e i n c i d e n t v a l u e b y 1 N o F O S i n...

Страница 77: ...the thermostat and UCB are properly wired replace the UCB On calls for cooling the supply air blower motor is operating but compressor 1 is not the room thermostat fan switch is in the AUTO position 1...

Страница 78: ...ibutors can test the UCB for this programming For units with factory installed economizers the UCB is programmed to lock out compressor operation when the LAS set point is reached For units without fa...

Страница 79: ...ng calls Check the UCB for alarms indicating that compressor 1 is locked out Press and release the ALARMS button if the LED is not flashing an alarm 2 Check for line voltage at the compressor contacto...

Страница 80: ...he error replace the UCB GAS HEAT TROUBLESHOOTING GUIDE On calls for heating the draft motor operates and the furnace lights but the supply air blower motor does not energize after a short delay the r...

Страница 81: ...check for 24 volts at the pressure switch terminal on the ICB If not present check for 24 volts on the terminal from the pressure switch If present go to step 4 If 24 volts is not present the either p...

Страница 82: ...167791 BIM B 0606 82 Unitary Products Group...

Страница 83: ...167791 BIM B 0606 Unitary Products Group 83...

Страница 84: ...t to change without notice Printed in U S A 167791 BIM B 0606 Copyright 2006 by Unitary Products Group All rights reserved Supersedes 167791 BIM A 1005 Unitary 5005 Norman Products York OK Group Drive...

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