Honeywell Heat/1Cool User Guide - Page 111
Williamson
 |
View all Honeywell Heat/1Cool manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 111 highlights
Electromechanical Chronotherm® III WILLIAMSON COOLING CHANGEOVER Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T6816111G1R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Function Existing Terminals Common ² X X X X C C C C C C Power R Compressor Y 1st Stage - Heat Aux. Heat W2 R R R R R R R R R or Y Y Y1 Y1 Y Y Y1 Y Y1 Y1/W1 ¶ ¶ ¶ ¶ ¶ ¶ ¶ - W1 W1 W1 W1 W1 W1 W1 - · W2 W2 W2 W2 W2 W2 W2 W2 Aux. Fan G C/O Valve - Heat C/O Valve O Cool System Monitor/ L System Defrost G G G B B B O O O µ L G B O ¸ L G G ᕡ or B B O/B ᕡ or O O O/B ¸ µ L L G G ᕡ or B B O/B ᕡ or O O O/B ¸ µ L L G ᕡ O/B ᕡ O/B µ L Em. Heat E E E E E E E E E E Multiple Aux. Heat Loads » W3 LED Indication A 2nd Stage - Compressor W3 W3 W3 ´ ´ ´ - X2 ¾ X1 X2 ¿ X1 X2 º - - - - - - - - ´ ´ ´ ¿ - X1 X2 - · - - W2 2nd Stage - - - - - - - - - Y2 Cool ³ Configure O/B (select models) in Installer Setup. · When W2 is not used, configure W2 cycle rate to NC. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers, or relays. ¿ Optional LED indication activated with completed circuit on X1 and X2 terminals. ´ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ² Terminal must be connected to the transformer common. ¶ Do not remove factory-installed jumper. º Optional Check LED on T8611G1004. See Fig. 26. ¾ Field-installed X2 to X (C) jumper. µ LED is energized when terminal is powered. ¸ L terminal is powered continuously when thermostat is in Em. Ht. position. M13213 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T874C1570/Q674B1000 T874L1455/Q674L1322 T874R1236/Q674L1348 T874R1392/Q674L1447 70-6627 • 109
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106 -
107 -
108 -
109 -
110 -
111 -
112 -
113 -
114 -
115 -
116 -
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
 |
 |
