Viessmann BW 301.B06, Installation And Service Instructions Manual

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74
Viessmann Pt500A (green marking)
ϑ
/ °C R /
Ω ϑ
/ °C R /
Ω ϑ
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Ω ϑ
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Ω ϑ
/ °C R /
Ω ϑ
/ °C R /
Ω
–
30 441.1 1 502.0 32 562.3 63 623.9 94 681.2 125 739.8
–
29 443.1 2 503.9 33 564.2 64 622.0 95 683.1 126 741.7
–
28 445.1 3 505.9 34 566.1 65 625.8 96 685.0 127 743.5
–
27 447.0 4 507.8 35 568.1 66 627.7 97 686.9 128 745.4
–
26 449.0 5 509.8 36 570.0 67 629.7 98 688.8 129 747.3
–
25 451.0 6 511.7 37 571.9 68 631.6 99 690.7 130 749.2
–
24 453.0 7 513.7 38 573.9 69 633.5 100 692.6 131 751.1
–
23 454.9 8 515.6 39 575.8 70 635.4 101 694.4 132 752.9
–
22 456.9 9 517.6 40 577.7 71 637.3 102 696.3 133 754.8
–
21 458.9 10 519.5 41 579.7 72 639.2 103 698.2 134 756.7
–
20 460.8 11 521.5 42 581.6 73 641.1 104 700.1 135 758.6
–
19 462.8 12 523.4 43 583.5 74 643.1 105 702.0 136 760.4
–
18 464.8 13 525.4 44 585.4 75 645.0 106 703.9 137 762.3
–
17 466.7 14 527.3 45 587.4 76 646.9 107 705.8 138 764.2
–
16 468.7 15 529.3 46 589.3 77 648.8 108 707.7 139 766.1
–
15 470.6 16 531.2 47 591.2 78 650.7 109 709.6 140 767.9
–
14 472.6 17 533.2 48 593.2 79 652.6 110 711.5 141 769.8
–
13 474.6 18 535.1 49 595.1 80 654.5 111 713.4 142 771.7
–
12 476.5 19 537.0 50 597.0 81 656.4 112 715.3 143 773.6
–
11 478.5 20 539.0 51 598.9 82 658.3 113 717.2 144 775.4
–
10 480.5 21 540.9 52 600.9 83 660.2 114 719.0 145 777.3
–
9 482.4 22 542.9 53 602.8 84 662.1 115 720.9 146 779.2
–
8 484.4 23 544.8 54 604.7 85 664.0 116 722.8 147 781.0
–
7 486.3 24 546.8 55 606.6 86 665.9 117 724.7 148 782.9
–
6 488.3 25 548.7 56 608.6 87 667.9 118 726.6 149 784.8
–
5 490.2 26 550.6 57 610.5 88 669.8 119 728.5 150 786.7
–
4 492.2 27 552.6 58 612.4 89 671.7 120 730.4 151 788.5
–
3 494.2 28 554.5 59 614.0 90 673.6 121 732.2 152 790.4
–
2 496.1 29 556.5 60 616.2 91 675.5 122 734.1 153 792.3
–
1 498.1 30 558.4 61 618.2 92 677.4 123 736.0 154 794.1
0 500.0 31 560.3 62 620.1 93 679.3 124 737.9 155 796.0
Checking the fuses
Fuse location: See page 28.
■ Fuse F1 is located on the cross connect PCB.
■ Fuse F3 is located on the main PCB.
Fuses F1 and F3:
■ 6.3 A (slow), 250 V~
■ Max. power loss
≤
2.5 W
1. Switch OFF the power supply.
2. Opening the wiring chamber.
3. Check fuses. Replace if necessary.
Danger
Incorrect or improperly fitted fuses can lead
to an increased risk of fire.
■ Insert fuses without using any force. Posi-
tion fuses correctly.
■ Only use structurally identical types with
the specified response characteristics.
Maintenance
Checking the sensors
(cont.)
5516461
Maintenance