Standard manual thermostats, Ct50a, Ct51a manual – Honeywell CT53A User Manual
Page 2: Ct53a manual, Gas or oil heat with cooling - 4 or 5 wires, Hot water - 2 wire zone valves (r,w), Hot water (no circulation pump) - steam, Electric furnace, Millivolt - standing pilot gas heat - 2 wires, Ct51a – canada
© 2002 All Rights Reserved.
Honeywell, Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
Form No. 50-8901
On
Fan
Auto
Heat
Off
Cool
Standard
Manual
Thermostats
Features:
Specifications (US & Canada):
Compatibility:
Package UPC (US & Canada):
Model
CT50A
CT51A
Master Carton
Qty
6
6
Dim. WxHxD(in.)
6
3
/
4
x 9
1
/
2
x 16
1
/
4
6
3
/
4
x 9
1
/
2
x 16
1
/
4
Carton Wt. (lbs.)
3
3
Cu. Ft.
.6
.6
Retail Package
Qty
1
1
Dim. WxHxD(in.)
6
1
/
4
x 9 x 2
3
/
4
6
1
/
4
x 9 x 2
3
/
4
Unit Wt. (lbs.)
.6
.6
Cu. Ft.
.09
.09
CT50A
CT51A
CT53A
Gas or Oil Heat - 2 wires
X
X
-
Gas or Oil Heat with Cooling - 4 or 5 wires
-
X
-
Hot Water - 2 Wire Zone Valves (R,W)
X
X
-
Hot Water - 3 Wire Zone Valves (Series 20)
-
-
-
Gravity - Hot Air (no blower fan)
X
X
-
Hot Water (no circulation pump) - Steam
X
X
-
Electric Furnace
-
X
-
Millivolt - Standing Pilot Gas Heat - 2 wires
-
-
X
Single Stage Heat Pump (without Auxiliary Heat)
-
-
-
Multi Stage Heat Pump (with Auxiliary Heat)
-
-
-
Line Voltage Electric Heat (Baseboard 120-240V)
-
-
-
Central Air Conditioning (Electric)
-
X
-
CT50A
• Heat only
• For central gas or oil heating
• 2 wires
CT51A
Manual
• Heating & cooling
• Used for central gas or oil
heating, electric furnaces &
central electric cooling
• Use in single transformer
systems only
• 4 wires
CT53A
Manual
• 750 millivolt
heating systems
• 2 wires
Model
CT53A
Master Carton
Qty
6
Dim. WxHxD(in.)
6
3
/
4
x 9
1
/
2
x 16
1
/
4
Carton Wt. (lbs.)
3
Cu. Ft.
.6
Retail Package
Qty
1
Dim. WxHxD(in.)
6
1
/
4
x 9 x 2
3
/
4
Unit Wt. (lbs.)
.6
Cu. Ft.
.09
CT50A
CT51A
CT53A
CT51A – Canada
0
0
85267 87016
CT50A – Canada
0
2
85267 04136
CT50A – US
0
3
85267 87015
CT53A – US
0
4
85267 87018
CT53A – Canada
0
0
85267 04143