Bard SH381D Series Installation Instructions Manual Download Page 23

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Manual 2100-413G
Page

23 of 28

3. Check resistance reading to chart of resistance use

sensor ambient temperature. (Tolerance of part is
± 10%)

4. If sensor resistance reads very low, then sensor is

shorted and will not allow proper operation of the
heat pump control.

5. If sensor is out of tolerance, shorted, open, or reads

very low ohms then it should be replaced.

-25.0

-24.0

-23.0

-22.0

-21.0

-20.0

-19.0

-18.0

-17.0

-16.0

-15.0

-14.0

-13.0

-12.0

-11.0

-10.0

-9.0

-8.0

-7.0

-6.0

-5.0

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

18.0

19.0

20.0

21.0

22.0

23.0

24.0

196871

190099

183585

177318

171289

165487

159904

154529

149355

144374

139576

134956

130506

126219

122089

118108

114272

110575

107010

103574

100260

97064

93981

91008

88139

85371

82699

80121

77632

75230

72910

70670

68507

66418

64399

62449

60565

58745

56985

55284

53640

52051

50514

49028

47590

46200

44855

43554

42295

41077

25.0

26.0

27.0

28.0

29.0

30.0

31.0

32.0

33.0

34.0

35.0

36.0

37.0

38.0

39.0

40.0

41.0

42.0

43.0

44.0

45.0

46.0

47.0

48.0

49.0

50.0

51.0

52.0

53.0

54.0

55.0

56.0

57.0

58.0

59.0

60.0

61.0

62.0

63.0

64.0

65.0

66.0

67.0

68.0

69.0

70.0

71.0

72.0

73.0

74.0

39898

38757

37652

36583

35548

34545

33574

32634

31723

30840

29986

29157

28355

27577

26823

26092

25383

24696

24030

23384

22758

22150

21561

20989

20435

19896

19374

18867

18375

17898

17434

16984

16547

16122

15710

15310

14921

14544

14177

13820

13474

13137

12810

12492

12183

11883

11591

11307

11031

10762

75.0

76.0

77.0

78.0

79.0

80.0

81.0

82.0

83.0

84.0

85.0

86.0

87.0

88.0

89.0

90.0

91.0

92.0

93.0

94.0

95.0

96.0

97.0

98.0

99.0

100.0

101.0

102.0

103.0

104.0

105.0

106.0

107.0

108.0

109.0

110.0

111.0

112.0

113.0

114.0

115.0

116.0

117.0

118.0

119.0

120.0

121.0

122.0

123.0

124.0

10501

10247

10000

9760

9526

9299

9077

8862

8653

8449

8250

8057

7869

7686

7507

7334

7165

7000

6840

6683

6531

6383

6239

6098

5961

5827

5697

5570

5446

5326

5208

5094

4982

4873

4767

4663

4562

4464

4367

4274

4182

4093

4006

3921

3838

3757

3678

3601

3526

3452

TEMPERATURE F VS RESISTANCE R OF TEMPERATURE

CHECKING TEMPERATURE SENSOR OUTSIDE
UNIT CIRCUIT

1. Disconnect temperature sensor from board and from

outdoor coil.

2. Use an ohmmeter and measure the resistance of the

sensor. Also use ohmmeter to check for short or
open.

Summary of Contents for SH381D Series

Page 1: ...ION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS Models SH381D SH431D SH491D Manual 2100 413G Supersedes 2100 413F File Volume III Tab 17 Date 09 26 07 Bard Manufacturing Company Inc Bryan Ohio 43506...

Page 2: ...ing Dimensions 25 Removal of Fan Shroud 25 Refrigerant Charge 25 Pressure Tables 27 Figures Figure 1 Unit Dimensions 6 Figure 2 Fresh Air Damper Assembly 8 Figure 3 Mounting Instructions 10 Figure 4 E...

Page 3: ...ter and Summer Air Conditioning Duct Design for Residential ACCA Manual D Winter and Summer Air Conditioning and Equipment Selection For more information contact these publishers ACCA Air Conditioning...

Page 4: ...d 1 PhenolicCoatedEvaporator 2 PhenolicCoatedCondenser 3 PhenolicCoatedEvaporator andCondenser MODEL NUMBER REVISIONS OUTLET OPTIONS X Front Standard COLOR OPTIONS X Beige Standard 1 White 4 Buckeye G...

Page 5: ...A 1 m u m i x a M l l a n r e t x E r o e s u F t i u c r i C r e k a e r B 2 r e w o P d l e i F e z i S e r i W 2 e r i W d n u o r G e z i S A t k C B t k C A t k C B t k C A t k C B t k C A t k C...

Page 6: ...p u S n r u t e R W D H A B C B E F G I J K L M N O P Q R S T D 1 8 3 H S D 1 3 4 H S D 1 9 4 H S 5 7 0 2 4 2 3 4 2 2 5 7 8 4 8 8 8 9 8 8 9 2 8 8 5 1 8 8 9 2 8 8 3 4 0 1 9 1 6 6 1 3 0 0 0 3 8 6 2 3 4...

Page 7: ...h each unit The filter slides into position making it easy to service This filter can be serviced from the outside by removing the service door A 1 inch washable filter and a 2 inch pleated filter are...

Page 8: ...unched in the service panel If the unit is equipped with a fresh air damper assembly the assembly is shipped already attached to the unit The damper blade is locked in the closed position To allow the...

Page 9: ...g would then be 32 x 12 See Figures 3 and 4 for details 3 Locate and mark lag bolt locations and bottom mounting bracket location See Figure 4 4 Mount bottom mounting bracket 5 Hook top rain flashing...

Page 10: ...Manual 2100 413G Page 10 of 28 FIGURE 3 MOUNTING INSTRUCTIONS...

Page 11: ...s is required for the first 3 feet of ducting It is important to insure that the 1 4 inch minimum spacing is maintained at all points Failure to do this could result in overheating the combustible mat...

Page 12: ...Manual 2100 413G Page 12 of 28 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE FIGURE 4 MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS...

Page 13: ...Manual 2100 413G Page 13 of 28 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS...

Page 14: ...g current of the compressor motor The disconnect access door on this unit may be locked to prevent unauthorized access to the disconnect To convert for the locking capability bend the tab locate in th...

Page 15: ...Manual 2100 413G Page 15 of 28 FIGURE 8 SHXXXDX HOT GAS REHEAT DURING DEHUMIDIFICATION WITH CS2000A2 ENERGY MONITOR FULL TIME DEHUMIDIFICATION...

Page 16: ...Manual 2100 413G Page 16 of 28 FIGURE 9 SHXXXDX HOT GAS REHEAT DURING DEHUMIDIFICATION WITH PROGRAMMABLE THERMOSTAT FULL TIME DEHUMIDIFICATION...

Page 17: ...talled FIGURE 10 10KW 1 PH 6 9KW 3 PH TABLE 2 THERMOSTAT WIRE SIZE r e m r o f s n a r T A V A L F e g u a G e r i W m u m i x a M e c n a t s i D t e e F n I 5 5 3 2 e g u a g 0 2 e g u a g 8 1 e g u...

Page 18: ...ntrolled outputs are required 6 if no ventilation system is installed For proper system operation under Emergency Heat conditions where the compressor needs to be deactivated the B W2 E outputs need t...

Page 19: ...or rewired If improper rotation is corrected at this time there will be no negative impact on the durability of the compressor However reverse operation for over one hour may have a negative impact on...

Page 20: ...can be energized by manual fan switch on subbase for constant air circulation Refer to Figure 14 HEATING SEQUENCE On a call for heating the compressor and reversing valve of the unit are energized to...

Page 21: ...river or other metallic object or another 1 4 inch QC to short between the SPEEDUP terminals to accelerate the HPC timer and initiate defrost Be careful not to touch any other terminals with the instr...

Page 22: ...c p m u p t a e h n o y a l e r n a f s s o r c a k c e h C l o r t n o c p m u p t a e h e c a l p e R e v i t c e f e d r o t o M r o t o m e c a l p e R g n i d n i w r o t o m d e t r o h s r o n...

Page 23: ...0 48 0 49 0 50 0 51 0 52 0 53 0 54 0 55 0 56 0 57 0 58 0 59 0 60 0 61 0 62 0 63 0 64 0 65 0 66 0 67 0 68 0 69 0 70 0 71 0 72 0 73 0 74 0 39898 38757 37652 36583 35548 34545 33574 32634 31723 30840 29...

Page 24: ...d e i p u c c O X X X X X X X e d o M g n i l o o C m u h e D w X X X X X X g n i t a e H e g a t S t s 1 d e i p u c c o n U X X X X X X X g n i t a e H e g a t S t s 1 d e i p u c c O X X X X X X g...

Page 25: ...7 4 1 D 1 9 4 H S 0 5 2 1 0 2 0 0 1 1 5 7 4 1 REFRIGERANT CHARGE The correct system R 22 charge is shown on the unit rating plate Optimum unit performance will occur with a refrigerant charge shown on...

Page 26: ...i o C 0 1 2 3 5 2 6 1 5 7 4 1 0 5 3 1 0 5 1 1 5 7 4 1 0 5 3 1 0 5 1 1 5 2 8 5 2 4 1 5 2 3 1 0 0 2 1 5 2 0 1 5 2 3 1 0 0 2 1 5 2 0 1 0 5 7 5 2 1 1 0 0 1 1 0 0 0 1 5 2 8 0 0 1 1 0 0 0 1 0 5 8 5 7 6 0 0...

Page 27: ...8 8 3 2 4 8 5 5 2 5 8 3 7 2 6 8 2 9 2 8 8 1 1 3 0 9 1 3 3 2 9 2 5 3 D 1 9 4 H S B D g e d 5 7 B W g e d 2 6 e d i S w o L e d i S h g i H 2 7 8 9 1 2 7 3 1 2 8 7 8 2 2 3 7 4 4 2 4 7 0 6 2 5 7 8 7 2 7...

Page 28: ...Manual 2100 413G Page 28 of 28 FIGURE 14 BARD HEAT PUMP COOLING MODE CIRCUIT DIAGRAM FIGURE 15 BARD HEAT PUMP DEHUMIDIFICATION MODE CIRCUIT DIAGRAM...

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