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035-13329-001-B-0504

Unitary Products Group

11

CONTROL WIRING

CAUTION:

Label all wires prior to disconnection when servicing con-
trols. Wiring errors can cause improper and dangerous 
operation. Verify proper operation after servicing.

 FIGURE 6 -  TYPICAL FIELD WIRING

 

   

  

 

 

4   

        

      

   

 

 

R V

Y C

GF

R

Y 1

B

Y 2

THERMOSTAT

1

TERMINALS

UNIT TERMINAL

STRIP TB1

24 VOLT

TRANSFORMER

COOLING ONLY (24 VOLT THERMOSTAT)

1

24 VOLT THERMOSTAT 2TH07701024 IF THE UNIT HAS AN ECONOMIZER,

REMOVE JUMPER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD

TO PREVENT SIMULTANEOUS OPERATION OF THE COMPRESSOR AND

THE ECONOMIZER. IF YOU WANT TO CONTROL THE ECONOMIZER ON A

SECOND STAGE OF COOLING, USE THE THERMOSTAT 2TH04701224.

R C

Y

R

Y 1

Y 2

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W

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G

B

G

R H

T H E R M O S T A T

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T E R M I N A L S

U N I T   T E R M I N A L

S T R I P   T B 1

2 4   V O L T

T R A N S F O R M E R

C O O L I N G / H E A T I N G   ( 2 4   V O L T   T H E R M O S T A T )

1

2 4   V O L T   T H E R M O S T A T   2 T H 0 7 7 0 1 0 2 4 .     I F   T H E   U N I T   H A S   A N   E C O N O M I Z E R ,

R E M O V E   J U M P E R   J 1   F R O M   T E R M I N A L S   8   A N D   1 0   O N   T H E   R E L A Y   B O A R D

T O   P R E V E N T   S I M U L T A N E O U S   O P E R A T I O N   O F   T H E   C O M P R E S S O R   A N D

T H E   E C O N O M I Z E R .     I F   Y O U   W

A N T   T O   C O N T R O L   T H E R   E C O N O M I Z E R   O N   A

S E C O N D   S T A G E   O F   C O O L I N G   O R   H A V E   A N D   E L E C T R I C   H E A T   A C C E S S O R Y

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I T H   T W

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A D D

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U N I T   T E R M I N A L

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2 4   V O L T

T R A N S F O R M E R

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E L E C T R O N I C   P R O G R A M M A B L E   T H E R M O S T A T   2 E T 0 7 7 0 1 0 2 4   ( I N C L U D E S   S U B B A S E ) .

  I F   T H I S   U N I T   H A S   A N D   E C O N O M I Z E R ,   R E M O V E   J U M P E R   J 1   F R O M   T E R M I N A L S   8   A N D

  1 0   O N   T H E   R E L A Y   B O A R D   T O   P R E V E N T   S I M U L T A N E O U S   O P E R A T I O N   O F   T H E

  C O M P R E S S O R   A N D   T H E   E C O N O M I Z E R .     I F   Y O U   W A N T   T O   C O N T R O L   T H E

  E C O N O M I Z E R   O N   A   S E C O N D   S T A G E   O F   C O O L I N G ,   U S E   T H E R M O S T A T   2 E T 0 4 7 0 0 2 2 4 .

C O O L I N G   /   H E A T I N G   ( E L E C T R O N I C   T H E R M O S T A T )

S I N G L E   S T A G E

Summary of Contents for SUNLINE ULTRA D1HE 036

Page 1: ...NING 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 instal lation procedure is not handled properly CAUTION READ ALL SAFETY GUIDES BEFORE YOU START TO INSTALL YOUR FURNACE SAVE THIS MANUAL INSTALLATION MANUAL MODELS D1HE 036 048 and D2HE 060...

Page 2: ...OINTS 16 CHECKING SUPPLY AIR CFM 16 BELT DRIVE BLOWER 16 SECURE OWNER S APPROVAL 17 MAINTENANCE 17 NORMAL MAINTENANCE 17 LIST OF FIGURES Fig Pg 1 CENTER OF GRAVITY 5 2 RECOMMENDED DRAIN PIPING 6 3 ECOMONIZER RAIN HOOD ASSEMBLY OPTION 8 4 ENTHALPY SET POINT ADJUSTMENT 9 5 DIMENSIONS CLEARANCES 3 4 5 TONS 10 6 TYPICAL FIELD WIRING 11 7 BELT ADJUSTMENT 16 8 PRESSURE DROP ACROSS A DRY EVAPORATOR COIL ...

Page 3: ...age 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 ref erence forms RENEWAL PARTS Refer to Parts Manual for complete listing of replacemen...

Page 4: ... side of building 3 For ground level installation a level pad or slab should be used The thickness and size of the pad or slab used should meet local codes and unit weight Do not tie the slab to the building foundation 4 Roof structures must be able to support the weight of the unit and its options and or accessories Unit must be installed on a solid level roof curb or appropriate angle iron frame...

Page 5: ...e certain clearances for proper operation and service Installer must make provisions for adequate combus tion and ventilation air in accordance with Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 in U S A or Sections 7 2 7 3 or 7 4 of Gas Installation Codes CAN CGA B149 1 and 2 in Canada and or applicable provisions of the local building codes Refer to Fig...

Page 6: ...pre vent simultaneous operation of the compressor and the economizer If you want to control the econo mizer on a second stage of cooling use a thermo stat with two stages of cooling POWER AND CONTROL WIRING Field wiring to the unit must conform to provisions of the National Electrical Code NEC ANSI NFPA 70 in USA cur rent Canadian Electric Code CEC C22 1 in Canada and or local ordinances The unit ...

Page 7: ...ollows Wire 73 to terminal Wire 74 to terminal S 5 Assemble the LH and RH side plates to the top cover 2 screws each side to form the hood Apply gasketing to the flange surface on each side plate Extend gasketing 1 4 beyond top and bottom of each flange to insure adequate corner sealing Secure this assembly to the unit back panel upper right hand corner First remove screw C on unit top cover Then ...

Page 8: ...to the A B C or D setting corresponding to the lettered curve For a dual enthalpy economizer carefully turn the set point adjusting screw fully clockwise past the D setting 10 To check that the damper blades move smoothly without binding carefully turn the minimum position adjusting screw fully clockwise and then energize and de energize terminals R to G With terminals R to G energized turn the mi...

Page 9: ...ighten screws after bracket is in place to ensure panels will remain leak tight Electric heaters are available as field installed accessories Refer to Form 530 18 N7 1V for installation instruction These UL approved heaters are located within the central compart ment of the unit see Figure 5 for access panel with the heat ing elements extending into the supply air chamber The heaters are wired for...

Page 10: ...035 13329 001 B 0504 10 Unitary Products Group FIGURE 5 DIMENSIONS CLEARANCES 3 4 5 TONS ...

Page 11: ... H E R M O S T A T 1 T E R M I N A L S U N I T T E R M I N A L S T R I P T B 1 2 4 V O L T T R A N S F O R M E R T O R E M O T E S E N S O R 2 T H 0 4 0 7 0 2 2 2 4 I F U S E D N O T U S E D A D D J U M P E R A D D J U M P E R 4 4 3 2 1 E L E C T R O N I C P R O G R A M M A B L E T H E R M O S T A T 2 E T 0 4 7 0 0 2 2 4 I N C L U D E S S U B B A S E 2 S E C O N D S T A G E C O O L I N G I S N O T...

Page 12: ...r to the Static Resistances Table for resistance values on applications other than gas electric units with side duct air flows TABLE 3 SUPPLY AIR PERFORMANCE 4 TON 4 TON GAS HEAT VALUES SHOWN 230 460 VOLTS SIDE DUCT CONNECTIONS UNIT SIZE MBH AIR FLOW CFM Available External Static Pressure IWG 0 20 0 30 0 40 0 50 0 60 0 70 0 80 RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 0...

Page 13: ...60 950 905 988 940 1022 970 1700 884 815 925 850 964 880 1001 910 1600 864 770 908 805 948 835 987 870 1500 882 740 926 780 965 830 UNIT SIZE MBH AIR FLOW CFM Available External Static Pressure IWG 0 90 1 00 1 10 1 20 1 30 1 40 1 50 RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 060 2500 2400 1193 1665 2300 1170 1580 1202 1620 2200 1148 1480 1180 1530 2100 1121 1385 1155 142...

Page 14: ...ANGE RPM MOTOR ADJUSTABLE MOTOR PULLEY FIXED BLOWER PULLEY BELT HP RPM FRAME SIZE SERVICE FACTOR PITCH DIA IN BORE PITCH DIA IN BORE PITCH LENGTH DESIGNATIONS DHE036 790 1 120 1 1 2 1 725 56 1 15 2 4 3 4 7 8 5 7 1 37 3 A36 DHE048 790 1 120 1 1 2 1 725 56 1 15 2 4 3 4 7 8 5 7 1 37 3 A36 DHE060 850 1 220 1 1 2 1 725 56 1 15 2 4 3 4 7 8 5 2 1 37 3 A36 All motors have solid bases and are inherently pr...

Page 15: ...umper wire J1 must be removed Refer to unit wiring diagram After the thermostat is satisfied and opens the blower will continue to run for a short time All other components will stop SAFETY CONTROLS The refrigerant system is equipped with the following safety controls 1 A Suction Line Freezestat to protect against low evapo rator temperatures due to a low air flow or a low return air temperature 2...

Page 16: ... for blower motor and drive data The tension on the belts should be adjusted as shown in Figure 7 Start the supply air blower motor Adjust the resistances in both the supply and the return air duct systems to balance the air distribution throughout the conditioned space The job specifications may require that this balancing be done by someone other than the equipment installer To check the supply ...

Page 17: ... the owner s approval Show him the location of all disconnect switches and the thermostat Teach him how to start and stop the unit and how to adjust temperature settings within the limitations of the system MAINTENANCE NORMAL MAINTENANCE FILTERS Inspect once a month Replace disposable or clean permanent type as necessary DO NOT replace perma nent type with disposable MOTORS Indoor fan and outdoor ...

Page 18: ...035 13329 001 B 0504 18 Unitary Products Group ...

Page 19: ...035 13329 001 B 0504 Unitary Products Group 19 ...

Page 20: ...to change without notice Printed in U S A 035 13329 001 B 0504 Copyright 2004 by Unitary Products Group All rights reserved Supersedes 035 13329 001 A 0204 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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