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66324-YIM-B-1004

6

Unitary Products Group

ROOF CURB

On applications when a roof curb is used, the unit must be
positioned on the curb so the front of the unit is tight against
the curb.

FILTERS

Single phase units are shipped without a filter or filter racks
and is the responsibility of the installer to secure a filter in the
return air ductwork or install a Filter/Frame Kit (1FF0110).

A filter rack and a high velocity filters are standard on three
phase units.

Filters must always be used and must be kept clean. When
filters become dirt laden, insufficient air will be delivered by
the blower, decreasing your units efficiency and increasing
operating costs and wear-and-tear on the unit and controls.

Filters should be checked monthly especially since this unit is
used for both heating and cooling.

CONDENSATE DRAIN

A condensate trap is recommended to be installed in the con-
densate drain. The plumbing must conform to local codes.
Use a sealing compound on male pipe threads. Install the
condensate drain line (NPTF) to spill into an open drain.

SERVICE ACCESS

Access to all serviceable components is provided by the fol-
lowing removable panels:

Blower compartment

Gas control/electrical service access

Refer to Figure 5 for location of these access panels and min-
imum clearances.

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 exposure or heat from electrical fixtures or
appliances. Follow manufacturer's instructions enclosed with
the thermostat for general installation procedure. Four color
coded insulated wires (minimum #18 AWG) should be used
to connect thermostat to unit. See Figure 2.

POWER AND CONTROL WIRING

Field wiring to the unit must conform to provisions of the cur-
rent N.E.C. ANSI/NFPA No. 70 or C.E.C. and/or local ordi-
nances. The unit must be electrically grounded in accordance
with local codes or, in their absence, with the N.E.C./C.E.C.
Voltage tolerances which must be maintained at the com-
pressor terminals during starting and running conditions are
indicated on the unit Rating Plate and Table 8.

The wiring entering the cabinet must be provided with
mechanical strain relief.

A fused disconnect switch should be field provided for the
unit. If any of the wire supplied with the unit must be replaced,
replacement wire must be of the type shown on the wiring
diagram.

Electrical line must be sized properly to carry the load. Each
unit must be wired with a separate branch circuit fed directly
from the meter panel and properly fused.

Refer to Figure 2 for typical field wiring and to the appropriate
unit wiring diagram for control circuit and power wiring infor-
mation.

Содержание DNH018

Страница 1: ...ION and WARNING 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...

Страница 2: ...T 13 8 UNIT DIMENSIONS FRONT BOTTOM 14 9 UNIT DIMENSIONS BACK BOTTOM 14 10 GAS VALVE FRONT 16 11 GAS VALVE REAR 16 12 PROPER FLAME ADJUSTMENT 17 13 IGNITOR AND FLAME SENSOR ASSEMBLY 17 14 D1NH COIL DE...

Страница 3: ...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 Refer to Form 50 15 NM for addition...

Страница 4: ...1 N H 0 3 6 0 2 4 0 6 P R O D U C T C A T E G O R Y D S i n g l e P a c k a g e A i r C o n d i t i o n e r P R O D U C T G E N E R A T I O N 1 1 s t G e n e r a t i o n P R O D U C T I D E N T I F I...

Страница 5: ...Seal duct covers with silicone caulk Duct work should be designed and sized according to the methods of the Air Conditioning Contractors of America ACCA as set forth in their Manual D A closed return...

Страница 6: ...access panels and min imum clearances 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 exposure or heat f...

Страница 7: ...R ALL MODELS 24 VOLT TRANSFORMER FIGURE 4 POWER WIRING FIELD DIAGRAM G R O U N D L U G R E F E R T O E L E C T R I C A L D A T A T A B L E S T O S I Z E T H E D I S C O N N E C T F I E L D S U P P L I...

Страница 8: ...2 2 1 2 3 TON 45 36 42 2 25 55 2 2 1 2 TON 70 56 65 3 30 60 3 TON 70 56 65 3 25 55 3 1 2 TON 4 5 TON 80 64 74 3 25 55 3 TON 90 72 84 4 30 60 3 1 2 TON 108 87 100 4 45 75 4 5 TON 108 87 43 4 30 60 4 5...

Страница 9: ...int union must be installed in the gas piping 2 When required by local codes a manual shut off valve may have to be installed outside of the unit 3 Use wrought iron or steel pipe for all gas lines Pip...

Страница 10: ...housands of BTU per hour based upon a pressure drop of 0 5 inch water column LENGTH IN FEET NOMINAL INCHES IRON PIPE SIZE 1 2 3 4 1 1 1 4 10 275 567 1 071 2 205 20 189 393 732 1 496 30 152 315 590 1 2...

Страница 11: ...be isolated from the gas supply piping sys tem by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pres sures equal to or less than 1 2...

Страница 12: ...A SUPPLY AIR BLOWER MOTOR FLA MINIMUM CIRCUIT AMPACITY MAX FUSE SIZE AMPS2 MAX HACR BREAKER SIZE AMPS UNIT POWER FACTOR TRANSFORMER SIZE VA MIN MAX RLA LRA 018 208 230 1 60 187 253 7 1 48 1 1 2 6 12 5...

Страница 13: ...VERALL All dimensions are in inches They are subject to change with out notice Certified dimensions will be provided upon request TABLE 9 UNIT DIMENSIONS FRONT UNIT SIZE DIMENSION A B 018 036 33 1 2 1...

Страница 14: ...Y 1 5 8 D I A K N O C K O U T 1 2 N P T I C O N N E C T I O N L O W V O L T A G E C O N N 1 8 D I A K N O C K O U T FIGURE 9 UNIT DIMENSIONS BACK BOTTOM 1 3 4 1 5 2 9 9 1 6 1 5 3 1 2 1 3 4 1 3 4 1 5 4...

Страница 15: ...zed at cooling speed When the thermostat is satisfied terminals G and Y are de energized de energizing the compressor and outdoor fan After a cool fan off delay timing of 30 seconds the circulating fa...

Страница 16: ...screw on the automatic gas valve Refer to Figure 6 Adjust as follows 1 Remove the cap from the valve body See Figure 6 for location 2 To decrease the gas pressure turn the adjusting screw countercloc...

Страница 17: ...n on the rating plate and the data in Tables 3 and 4 After the temperature rise has been determined the CFM can be calculated as follows After about 20 minutes of operation determine the furnace tempe...

Страница 18: ...urface or other parts in the air circuit Cleaning should be as often as necessary to keep the coil clean Use a brush vac uum cleaner attachment or other suitable means If water is used to clean the co...

Страница 19: ...f the restrictor plate to the tube sheet 5 If soot build up is particularly bad remove the vent motor and clean the wheel and housing 6 After brushing is complete blow all brushed areas with air or ni...

Страница 20: ...TABLE FOR D1NH018 OUTDOOR TEMP F SUPERHEAT AT COMPRESSOR SUCTION F AIRFLOW 600 CFM INDOOR WB TEMP F 55 57 59 61 63 65 67 69 71 73 75 65 30 7 31 2 31 8 32 3 32 9 33 4 34 0 34 2 34 4 34 7 34 9 70 22 9 2...

Страница 21: ...34 9 35 6 36 3 75 15 1 18 0 20 8 23 6 26 5 29 3 32 1 33 0 33 9 34 7 35 6 80 10 8 14 1 17 4 20 8 24 1 27 5 30 8 31 8 32 9 33 9 34 9 85 6 4 10 3 14 1 18 0 21 8 25 7 29 5 30 7 31 9 33 0 34 2 90 6 3 10 2...

Страница 22: ...23 8 25 1 26 5 27 8 29 1 30 5 31 8 32 8 3 7 34 7 35 7 70 22 4 23 4 24 4 25 3 26 3 27 3 28 2 29 7 31 1 32 5 33 9 75 21 1 21 7 22 3 22 9 23 5 24 1 24 7 26 6 28 5 30 3 32 2 80 19 7 20 0 20 2 20 4 20 6 20...

Страница 23: ...eme care when working with the live circuits Check the unit nameplate for the correct line voltage and set the volt meter to the correct range before making any connections with line terminals If the...

Страница 24: ...66324 YIM B 1004 24 Unitary Products Group FIGURE 16 TYPICAL WIRING DIAGRAM D1NH 018 024 030 036 048 208 230 1 60 POWER SUPPLY...

Страница 25: ...66324 YIM B 1004 Unitary Products Group 25 FIGURE 17 TYPICAL WIRING DIAGRAM D1NH 030 036 042 048 208 230 3 60 POWER SUPPLY...

Страница 26: ...66324 YIM B 1004 26 Unitary Products Group FIGURE 18 TYPICAL WIRING DIAGRAM D1NH 030 036 042 048 460 3 60 POWER SUPPLY...

Страница 27: ...66324 YIM B 1004 Unitary Products Group 27 FIGURE 19 TYPICAL WIRING DIAGRAM D1NH 036 042 048 060 575 3 60 POWER SUPPLY...

Страница 28: ...66324 YIM B 1004 28 Unitary Products Group FIGURE 20 TYPICAL WIRING DIAGRAM D1NH 060 208 230 1 60 POWER SUPPLY...

Страница 29: ...66324 YIM B 1004 Unitary Products Group 29 FIGURE 21 TYPICAL WIRING DIAGRAM D1NH 060 208 230 3 60 POWER SUPPLY...

Страница 30: ...66324 YIM B 1004 30 Unitary Products Group FIGURE 22 TYPICAL WIRING DIAGRAM D1NH 060 460 3 60 POWER SUPPLY...

Страница 31: ...in heating and to obtain approximately 400 CFM Ton in cooling 6 If both LR and ASCT are present wire 801 BL and 805 BL are connected to ASCT 3 if LR only is present wire 801 BL and 805 BL are connecte...

Страница 32: ...ge without notice Printed in U S A 66324 YIM B 1004 Copyright 2004 by Unitary Products Group All rights reserved Supersedes 66324 YIM A 1003 035 18266 002 A 1003 Unitary 5005 Norman Product York OK Gr...

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