Honeywell T87 User Manual
T87 Range Stops
APPLICATION
INSTALLATION INSTRUCTIONS
INSTALLATION
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
80
SCREW (2)
SETTING
70
RANGE STOP
60
LOW LIMIT
SETTING
50
M13675
Fig. 1. Range stop and screws (Fahrenheit range).
HIGH LIMIT
26
SCREW (2)
SETTING
20
RANGE STOP
15
LOW LIMIT
SETTING
09
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.
70
80
60
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.
Fig. 2. Range stop and screws (Celsius range).
M13676
69-1864EFS
T87 RANGE STOPS
70
80
FAHRENHEIT SCALE
20
26
CELSIUS SCALE
15
Fig. 4. Low range stop settings.
76° HIGH LIMIT
SETTING
80°
84°
88°
28°
29°
27°
80
FAHRENHEIT SCALE
23.5° HIGH LIMIT
SETTING
26
CELSIUS SCALE
70°
70
21°
19°
20
Fig. 5. High range stop settings.
64°
60°
60
56° LOW
LIMIT
SETTING
50°
50
46°
Table 1. Low Limit Range Stop
°F °C
42 4
44 5
46 6.5
48 8
50 9
52 10
16.5°
42°
15°
12° LOW
LIMIT
SETTING
10°
9°
09
8°
5°
M13677
54 11
56 12
58 13
60 14.5
62 15.5
64 16.5
66 17.5
68 19
70 20
72 21
74 22.5
76 23.5
78 24.5
80 26
Table 2. High Limit Range Stop
60
°F °C
88 31
50
86 29.5
84 28
82 27.5
80 26
78 25
15
76 24
74 22.5
72 21.5
09
70 20
68 19
66 18
64 17
62 16
M13678
60 14.5
Automation and Control Solutions
Honeywell International Inc. Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North 35 Dynamic Drive
Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9
customer.honeywell.com
® U.S. Registered Trademark
© 2005 Honeywell International Inc.
69-1864EFS M.S. Rev. 12-05
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