T87 Range Stops
APPLICATION
Use the 50010944-001 range stops with the T87K, N thermostats to limit the minimum and maximum temperature settings.
The 50010944-001 contains two range stop scales and two #2-28 x 3/8 phillips pan head screws.
HIGH LIMIT
SETTING
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RANGE STOP |
80 |
70 |
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60 |
LOW LIMIT |
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SETTING |
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SCREW (2)
50
M13675
Fig. 1. Range stop and screws (Fahrenheit range).
HIGH LIMIT
SETTING
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RANGE STOP |
26 |
20 |
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15 |
LOW LIMIT |
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SETTING |
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SCREW (2)
09
M13676
Fig. 2. Range stop and screws (Celsius range).
INSTALLATION INSTRUCTIONS
INSTALLATION
1.Set the thermostat to a temperature setting in the middle of the upper and lower range desired.
2.Remove the thermostat from its base (if already attached).
3.On the back of the thermostat, align the range stop with the holes on the back of the thermostat. See Fig. 3.
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70 |
60 |
80 |
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50 |
M13679
Fig. 3. Aligning range stop with thermostat.
4.Using the temperature markings on the range stop, insert supplied screws into the minimum and/or maximum range stop holes and tighten. Refer to Tables 1 and 2 for range stop temperatures. See Figs. 4 and 5.
5.Mount the thermostat onto its base and set desired temperature. See Fig. 5.
69-1864EFS
T87 RANGE STOPS
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64° |
70 |
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60° |
80 |
60 |
56° LOW |
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LIMIT |
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SETTING |
FAHRENHEIT SCALE |
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50° |
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50 |
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46° |
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42° |
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16.5° |
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20 |
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15° |
26 |
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12° LOW |
15 |
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LIMIT |
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SETTING |
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10° |
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9° |
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09 |
CELSIUS SCALE |
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8° |
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5° |
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M13677 |
Fig. 4. Low range stop settings.
76° HIGH LIMIT SETTING
70°
80°
Table 1. Low Limit Range Stop
°F |
°C |
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42 |
4 |
44 |
5 |
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46 |
6.5 |
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48 |
8 |
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50 |
9 |
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52 |
10 |
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54 |
11 |
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56 |
12 |
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58 |
13 |
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60 |
14.5 |
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62 |
15.5 |
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64 |
16.5 |
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66 |
17.5 |
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68 |
19 |
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70 |
20 |
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72 |
21 |
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74 |
22.5 |
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76 |
23.5 |
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78 |
24.5 |
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80 |
26 |
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84°
88°
27° 28° 
29°
70 80
FAHRENHEIT SCALE |
60 |
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23.5° HIGH LIMIT |
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SETTING |
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21° |
19° |
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20 |
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26 |
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15 |
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CELSIUS SCALE
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Table 2. High Limit Range Stop |
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°F |
°C |
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88 |
31 |
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86 |
29.5 |
50 |
84 |
28 |
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82 |
27.5 |
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80 |
26 |
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78 |
25 |
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76 |
24 |
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74 |
22.5 |
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72 |
21.5 |
09 |
70 |
20 |
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68 |
19 |
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66 |
18 |
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64 |
17 |
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62 |
16 |
M13678 |
60 |
14.5 |
Fig. 5. High range stop settings.
Automation and Control Solutions |
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Honeywell International Inc. |
Honeywell Limited-Honeywell Limitée |
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1985 Douglas Drive North |
35 Dynamic Drive |
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Golden Valley, MN 55422 |
Scarborough, Ontario M1V 4Z9 |
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customer.honeywell.com |
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® U.S. Registered Trademark
© 2005 Honeywell International Inc.
69-1864EFS M.S. Rev. 12-05
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