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THERMOSTAT

NEC CLASS 1
WIRING

WEATHERPROOF
DISCONNECT
SWITCH

NOTE: ALL OUTDOOR WIRING MUST
BE WEATHERPROOF

TO POWER
SUPPLY

12" REAR AND
SIDES 
CLEARANCE
REQUIRED

TO
BLOWER
MOTOR
RELAY

TO
COIL

SEAL OPENING(S) WITH PERMAGUM OR EQUIVALENT

24" SERVICE
ACCESS CLEARANCE
REQUIRED 

48" OVERHEAD
CLEARANCE
REQUIRED

NEC CLASS 2
WIRING

Sit unit on
rubber
elevator
grommets
to reduce
noise and
allow for
proper
drainage. 

FIGURE 1- TYPICAL INSTALLATION

MODEL     H1DS...

036

048

060

UNIT SUPPLY VOLTAGE

208/230-1-60

NORMAL VOLTAGE RANGE

 1

187 to 252

MIN. CIRCUIT AMPACITY

20

25.9

30.5

MAX. OVERCURRENT DEVICE AMPS 

2

25

35

40

COMPRESSOR  # 1 AMPS
(Lead Compressor)

RATED LOAD

8.3

8.3

10.9

LOCKED ROTOR

48

48

64

COMPRESSOR  # 2  AMPS
(Follower Compressor)

RATED LOAD

9.0

13.5

15.1

LOCKED ROTOR

48

68

81.0

CRANKCASE HEATER

YES

YES

YES

FAN MOTOR AMPS

RATED LOAD

0.7

0.7

0.7

LOCKED ROTOR

0.8

0.8

0.8

MIN. FIELD WIRE SIZE AWG
60

°

C COPPER CONDUCTORS

10

10

8

MAX. WIRE LENGTH FEET
BASED ON 3% VOLTAGE DROP

208V

125

100

100

230V

140

115

110

FAN DIAMETER INCHES

24

24

24

FAN MOTOR

RATED HP

1/10

1/10

1/10

NOMINAL RPM

825

825

825

NOMINAL CFM

2800

2800

2700

COIL

FACE AREA SQ. FT.

23.5

23.5

23.5

ROWS DEEP

1

1

2

FIN / INCH

20

20

16

LIQUID LINE OD

3/8

3/8

3/8

VAPOR LINE OD

7/8

7/8

7/8

OPERATING WEIGHT LBS.

277

282

340

1

  Utilization range “A” in accordance with ARI standard 110.

2

 Dual element fuses or HACR circuit breaker.

TABLE 1 - PHYSICAL AND ELECTRICAL DATA

550.37-N1Y

2

Central Environmental Systems

Summary of Contents for H1DS048

Page 1: ...nce with all national and local safety codes and the limitations listed below 1 Limitations for the indoor unit coil and appropriate acces sories must also be observed 2 This unit should not be instal...

Page 2: ...mpressor RATED LOAD 8 3 8 3 10 9 LOCKED ROTOR 48 48 64 COMPRESSOR 2 AMPS Follower Compressor RATED LOAD 9 0 13 5 15 1 LOCKED ROTOR 48 68 81 0 CRANKCASE HEATER YES YES YES FAN MOTORAMPS RATED LOAD 0 7...

Page 3: ...ioned as shown in Figure 2 to reduce noise and allow for proper drainage 6 Make a hole s in the structure wall large enough to acco modate the insulated vapor line the liquid line and the wiring TXV I...

Page 4: ...insulation and a sealing material such as permagum around refrigerant lines where they penetrate a wall to reduce vibration and to retain some flexibility 8 See Form 690 01 AD1V for additional piping...

Page 5: ...vaporator and the liquid line to 1000 microns or less 8 Leak test all refrigerant piping connections including the serv ice port flare caps to be sure they are leak tight DO NOT OVERTIGHTEN between 40...

Page 6: ...oling thermostat The difference between the two stages of a typical two stage thermostat is 2 2 5 F The thermostat should be located about 5 ft above the floor where it will be exposed to normal room...

Page 7: ...SS 1 WIRING FIGURE 8 TYPICAL FIELD WIRING POWER WIRING CONTROL WIRING COOLING WITH DE HUMIDIFICATION CONTROL FIGURE 9 TYPICAL FIELD WIRING WITH POWER WIRING 208 230 1 60 CONTACTOR GRD SCREW M 2 T 1 L...

Page 8: ...OR VARIABLE SPEED AIR HANDLER INDOOR EVAP COIL CONDENSING UNITS H DS036 H DS048 H DS060 COOL TAP ADJ TAP DELAY PROFILE COOL TAP ADJ TAP DELAY PROFILE COOL TAP ADJ TAP DELAY PROFILE N1VSD14 G HC036 Jum...

Page 9: ...r the first time Refer to System Functions for more information about time delays 2 Operate the unit for a minimum of 15 20 minutes before checking the charge 3 Verify the desired indoor air handler a...

Page 10: ...e until the recommended sub cooling temperature is obtained EXAMPLE Given an H1DS036 with only the lead compressor operating on first stage 1 Liquid pressure at the service valve 179 lbs 2 Recommended...

Page 11: ...des a list of LED functions and definitions Power Supply The five minute control board time delay is energized by means of 24V power supply from the transformer installed in the indoor variable speed...

Page 12: ...oor fan should be running with warm air being discharged from the top of the unit 2 The indoor blower furnace or air handler will be operating discharging cool air from the ducts 3 The vapor line at t...

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